67143c0f |
/* |
8cf3bb26 |
* Matroska muxer |
67143c0f |
* Copyright (c) 2007 David Conrad
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
|
8f8bc923 |
#include <stdint.h>
|
0574bc06 |
#include "avc.h" |
a823d094 |
#include "hevc.h" |
67143c0f |
#include "avformat.h" |
5ceffb1b |
#include "avio_internal.h" |
0574bc06 |
#include "avlanguage.h"
#include "flacenc.h" |
c3f9ebf7 |
#include "internal.h" |
f009e36f |
#include "isom.h" |
67143c0f |
#include "matroska.h" |
0574bc06 |
#include "riff.h" |
90fc00a6 |
#include "subtitles.h" |
106b62f4 |
#include "vorbiscomment.h" |
01656fd4 |
#include "wv.h" |
0574bc06 |
#include "libavutil/avstring.h" |
106b62f4 |
#include "libavutil/channel_layout.h" |
6724525a |
#include "libavutil/crc.h" |
0574bc06 |
#include "libavutil/dict.h" |
3383a53e |
#include "libavutil/intfloat.h" |
0574bc06 |
#include "libavutil/intreadwrite.h"
#include "libavutil/lfg.h" |
e7e5c5e6 |
#include "libavutil/mastering_display_metadata.h" |
0ebcdf5c |
#include "libavutil/mathematics.h" |
e3b225a4 |
#include "libavutil/opt.h" |
70c1647a |
#include "libavutil/parseutils.h" |
1f4280e7 |
#include "libavutil/random_seed.h" |
31852540 |
#include "libavutil/rational.h" |
0574bc06 |
#include "libavutil/samplefmt.h" |
2e0cc342 |
#include "libavutil/sha.h" |
4d686fb7 |
#include "libavutil/stereo3d.h" |
0574bc06 |
|
245976da |
#include "libavcodec/xiph.h" |
7bfacd4e |
#include "libavcodec/mpeg4audio.h" |
bb47aa58 |
#include "libavcodec/internal.h" |
67143c0f |
|
baf71dca |
typedef struct ebml_master { |
bc5c918e |
int64_t pos; ///< absolute offset in the file where the master's elements start |
baf71dca |
int sizebytes; ///< how many bytes were reserved for the size
} ebml_master;
|
967d815a |
typedef struct mkv_seekhead_entry {
unsigned int elementid;
uint64_t segmentpos;
} mkv_seekhead_entry;
typedef struct mkv_seekhead { |
bc5c918e |
int64_t filepos;
int64_t segment_offset; ///< the file offset to the beginning of the segment |
1b66d314 |
int reserved_size; ///< -1 if appending to file |
967d815a |
int max_entries;
mkv_seekhead_entry *entries;
int num_entries;
} mkv_seekhead;
|
daf8cf35 |
typedef struct mkv_cuepoint { |
6364d534 |
uint64_t pts; |
37cef8c7 |
int stream_idx; |
6364d534 |
int tracknum; |
bc5c918e |
int64_t cluster_pos; ///< file offset of the cluster containing the block |
c5f3cc40 |
int64_t relative_pos; ///< relative offset from the position of the cluster containing the block |
56f17407 |
int64_t duration; ///< duration of the block according to time base |
6364d534 |
} mkv_cuepoint;
|
daf8cf35 |
typedef struct mkv_cues { |
bc5c918e |
int64_t segment_offset; |
6364d534 |
mkv_cuepoint *entries;
int num_entries;
} mkv_cues;
|
daf8cf35 |
typedef struct mkv_track { |
84d4e599 |
int write_dts; |
271f4112 |
int has_cue; |
7631f14b |
int sample_rate;
int64_t sample_rate_offset; |
8c1342e6 |
int64_t codecpriv_offset; |
a1aa37dd |
int64_t ts_offset; |
84d4e599 |
} mkv_track;
|
c44eae15 |
typedef struct mkv_attachment {
int stream_idx;
uint32_t fileuid;
} mkv_attachment;
typedef struct mkv_attachments {
mkv_attachment *entries;
int num_entries;
} mkv_attachments;
|
316d6c15 |
#define MODE_MATROSKAv2 0x01
#define MODE_WEBM 0x02
|
7be0f48a |
/** Maximum number of tracks allowed in a Matroska file (with track numbers in
* range 1 to 126 (inclusive) */
#define MAX_TRACKS 126
|
67143c0f |
typedef struct MatroskaMuxContext { |
e3b225a4 |
const AVClass *class; |
316d6c15 |
int mode; |
ae628ec1 |
AVIOContext *dyn_bc; |
650e17d8 |
AVIOContext *tags_bc;
ebml_master tags; |
3bcadf82 |
AVIOContext *info_bc;
ebml_master info; |
ee888cfb |
AVIOContext *tracks_bc;
ebml_master tracks_master; |
baf71dca |
ebml_master segment; |
bc5c918e |
int64_t segment_offset; |
baf71dca |
ebml_master cluster; |
bc5c918e |
int64_t cluster_pos; ///< file offset of the current cluster |
f9ff7179 |
int64_t cluster_pts; |
bc5c918e |
int64_t duration_offset; |
f9ff7179 |
int64_t duration; |
967d815a |
mkv_seekhead *main_seekhead; |
6364d534 |
mkv_cues *cues; |
84d4e599 |
mkv_track *tracks; |
c44eae15 |
mkv_attachments *attachments; |
541d443c |
|
ac9baa71 |
AVPacket cur_audio_pkt; |
c7a63a52 |
int have_attachments; |
71852a1b |
int have_video; |
e3b225a4 |
int reserve_cues_space; |
98308bd4 |
int cluster_size_limit; |
e3b225a4 |
int64_t cues_pos; |
98308bd4 |
int64_t cluster_time_limit; |
37cef8c7 |
int is_dash;
int dash_track_number; |
6fd300ac |
int is_live; |
711bfb33 |
int write_crc; |
07704c61 |
uint32_t chapter_id_offset; |
26b241c0 |
int wrote_chapters; |
7d60baa8 |
|
7be0f48a |
int64_t last_track_timestamp[MAX_TRACKS];
|
31852540 |
int64_t* stream_durations;
int64_t* stream_duration_offsets;
|
7d60baa8 |
int allow_raw_vfw; |
67143c0f |
} MatroskaMuxContext;
|
baf71dca |
|
e3cd80cd |
/** 2 bytes * 3 for EBML IDs, 3 1-byte EBML lengths, 8 bytes for 64 bit
* offset, 4 bytes for target EBML ID */ |
baf71dca |
#define MAX_SEEKENTRY_SIZE 21
|
56f17407 |
/** per-cuepoint-track - 5 1-byte EBML IDs, 5 1-byte EBML sizes, 4 |
e3cd80cd |
* 8-byte uint max */ |
56f17407 |
#define MAX_CUETRACKPOS_SIZE 42 |
baf71dca |
|
e3cd80cd |
/** per-cuepoint - 2 1-byte EBML IDs, 2 1-byte EBML sizes, 8-byte uint max */ |
f1f6156b |
#define MAX_CUEPOINT_SIZE(num_tracks) 12 + MAX_CUETRACKPOS_SIZE * num_tracks |
baf71dca |
|
571efd97 |
/** Seek preroll value for opus */
#define OPUS_SEEK_PREROLL 80000000
|
22ccb69a |
static int ebml_id_size(unsigned int id)
{ |
f1f6156b |
return (av_log2(id + 1) - 1) / 7 + 1; |
22ccb69a |
}
|
ae628ec1 |
static void put_ebml_id(AVIOContext *pb, unsigned int id) |
67143c0f |
{ |
432adc13 |
int i = ebml_id_size(id);
while (i--) |
8365287e |
avio_w8(pb, (uint8_t)(id >> (i * 8))); |
67143c0f |
}
|
ec8f4ad9 |
/** |
bf898960 |
* Write an EBML size meaning "unknown size". |
ec8f4ad9 |
* |
bf898960 |
* @param bytes The number of bytes the size should occupy (maximum: 8). |
ec8f4ad9 |
*/ |
ae628ec1 |
static void put_ebml_size_unknown(AVIOContext *pb, int bytes) |
ec8f4ad9 |
{ |
c5cc9498 |
av_assert0(bytes <= 8); |
77eb5504 |
avio_w8(pb, 0x1ff >> bytes); |
5ceffb1b |
ffio_fill(pb, 0xff, bytes - 1); |
ec8f4ad9 |
}
|
1c73478c |
/** |
0f651e8c |
* Calculate how many bytes are needed to represent a given number in EBML. |
1c73478c |
*/ |
0f651e8c |
static int ebml_num_size(uint64_t num) |
1c73478c |
{
int bytes = 1; |
f1f6156b |
while ((num + 1) >> bytes * 7)
bytes++; |
1c73478c |
return bytes;
}
|
f0e9f442 |
/** |
0f651e8c |
* Write a number in EBML variable length format. |
f0e9f442 |
* |
0f651e8c |
* @param bytes The number of bytes that need to be used to write the number. |
f0e9f442 |
* If zero, any number of bytes can be used.
*/ |
ae628ec1 |
static void put_ebml_num(AVIOContext *pb, uint64_t num, int bytes) |
67143c0f |
{ |
0f651e8c |
int i, needed_bytes = ebml_num_size(num); |
67143c0f |
// sizes larger than this are currently undefined in EBML |
8365287e |
av_assert0(num < (1ULL << 56) - 1); |
ffb880c2 |
|
f0e9f442 |
if (bytes == 0)
// don't care how many bytes are used, so use the min
bytes = needed_bytes; |
47e08c58 |
// the bytes needed to write the given size would exceed the bytes
// that we need to use, so write unknown size. This shouldn't happen. |
c5cc9498 |
av_assert0(bytes >= needed_bytes); |
f0e9f442 |
|
f1f6156b |
num |= 1ULL << bytes * 7; |
ddf16467 |
for (i = bytes - 1; i >= 0; i--) |
8365287e |
avio_w8(pb, (uint8_t)(num >> i * 8)); |
67143c0f |
}
|
ae628ec1 |
static void put_ebml_uint(AVIOContext *pb, unsigned int elementid, uint64_t val) |
67143c0f |
{ |
9f38fd7e |
int i, bytes = 1; |
73260a11 |
uint64_t tmp = val; |
f1f6156b |
while (tmp >>= 8)
bytes++; |
67143c0f |
put_ebml_id(pb, elementid); |
0f651e8c |
put_ebml_num(pb, bytes, 0); |
9f38fd7e |
for (i = bytes - 1; i >= 0; i--) |
8365287e |
avio_w8(pb, (uint8_t)(val >> i * 8)); |
67143c0f |
}
|
d03eea36 |
static void put_ebml_sint(AVIOContext *pb, unsigned int elementid, int64_t val)
{
int i, bytes = 1; |
cddd15ba |
uint64_t tmp = 2*(val < 0 ? val^-1 : val);
while (tmp>>=8) bytes++; |
d03eea36 |
put_ebml_id(pb, elementid);
put_ebml_num(pb, bytes, 0);
for (i = bytes - 1; i >= 0; i--) |
8365287e |
avio_w8(pb, (uint8_t)(val >> i * 8)); |
d03eea36 |
}
|
ae628ec1 |
static void put_ebml_float(AVIOContext *pb, unsigned int elementid, double val) |
9b6b0c79 |
{
put_ebml_id(pb, elementid); |
0f651e8c |
put_ebml_num(pb, 8, 0); |
3383a53e |
avio_wb64(pb, av_double2int(val)); |
9b6b0c79 |
}
|
ae628ec1 |
static void put_ebml_binary(AVIOContext *pb, unsigned int elementid, |
4a6bef1f |
const void *buf, int size) |
67143c0f |
{
put_ebml_id(pb, elementid); |
0f651e8c |
put_ebml_num(pb, size, 0); |
77eb5504 |
avio_write(pb, buf, size); |
67143c0f |
}
|
f1f6156b |
static void put_ebml_string(AVIOContext *pb, unsigned int elementid,
const char *str) |
67143c0f |
{
put_ebml_binary(pb, elementid, str, strlen(str));
}
|
57848e9a |
/** |
49bd8e4b |
* Write a void element of a given size. Useful for reserving space in |
cfde5d18 |
* the file to be written to later. |
57848e9a |
* |
5045da83 |
* @param size The number of bytes to reserve, which must be at least 2. |
57848e9a |
*/ |
ae628ec1 |
static void put_ebml_void(AVIOContext *pb, uint64_t size) |
f57b85a5 |
{ |
a2704c97 |
int64_t currentpos = avio_tell(pb); |
f57b85a5 |
|
c5cc9498 |
av_assert0(size >= 2); |
f57b85a5 |
put_ebml_id(pb, EBML_ID_VOID); |
cfde5d18 |
// we need to subtract the length needed to store the size from the
// size we need to reserve so 2 cases, we use 8 bytes to store the
// size if possible, 1 byte otherwise |
f57b85a5 |
if (size < 10) |
c9ae8be5 |
put_ebml_num(pb, size - 2, 0); |
f57b85a5 |
else |
f1f6156b |
put_ebml_num(pb, size - 9, 8); |
5ceffb1b |
ffio_fill(pb, 0, currentpos + size - avio_tell(pb)); |
f57b85a5 |
}
|
f1f6156b |
static ebml_master start_ebml_master(AVIOContext *pb, unsigned int elementid,
uint64_t expectedsize) |
67143c0f |
{ |
0f651e8c |
int bytes = expectedsize ? ebml_num_size(expectedsize) : 8; |
67143c0f |
put_ebml_id(pb, elementid); |
baf71dca |
put_ebml_size_unknown(pb, bytes); |
f1f6156b |
return (ebml_master) {avio_tell(pb), bytes }; |
67143c0f |
}
|
ae628ec1 |
static void end_ebml_master(AVIOContext *pb, ebml_master master) |
67143c0f |
{ |
a2704c97 |
int64_t pos = avio_tell(pb); |
67143c0f |
|
6b4aa5da |
if (avio_seek(pb, master.pos - master.sizebytes, SEEK_SET) < 0) |
ac9e1177 |
return; |
0f651e8c |
put_ebml_num(pb, pos - master.pos, master.sizebytes); |
6b4aa5da |
avio_seek(pb, pos, SEEK_SET); |
67143c0f |
}
|
eabbc647 |
static int start_ebml_master_crc32(AVIOContext *pb, AVIOContext **dyn_cp, MatroskaMuxContext *mkv,
ebml_master *master, unsigned int elementid, uint64_t expectedsize) |
6724525a |
{
int ret;
|
572f16e1 |
if ((ret = avio_open_dyn_buf(dyn_cp)) < 0) |
6724525a |
return ret;
|
4de591e6 |
if (pb->seekable & AVIO_SEEKABLE_NORMAL) { |
6724525a |
*master = start_ebml_master(pb, elementid, expectedsize); |
eabbc647 |
if (mkv->write_crc && mkv->mode != MODE_WEBM)
put_ebml_void(*dyn_cp, 6); /* Reserve space for CRC32 so position/size calculations using avio_tell() take it into account */
} else |
6724525a |
*master = start_ebml_master(*dyn_cp, elementid, expectedsize);
return 0;
}
static void end_ebml_master_crc32(AVIOContext *pb, AVIOContext **dyn_cp, MatroskaMuxContext *mkv,
ebml_master master)
{
uint8_t *buf, crc[4]; |
eabbc647 |
int size, skip = 0; |
6724525a |
|
4de591e6 |
if (pb->seekable & AVIO_SEEKABLE_NORMAL) { |
6724525a |
size = avio_close_dyn_buf(*dyn_cp, &buf); |
711bfb33 |
if (mkv->write_crc && mkv->mode != MODE_WEBM) { |
eabbc647 |
skip = 6; /* Skip reserved 6-byte long void element from the dynamic buffer. */
AV_WL32(crc, av_crc(av_crc_get_table(AV_CRC_32_IEEE_LE), UINT32_MAX, buf + skip, size - skip) ^ UINT32_MAX); |
6724525a |
put_ebml_binary(pb, EBML_ID_CRC32, crc, sizeof(crc));
} |
eabbc647 |
avio_write(pb, buf + skip, size - skip); |
6724525a |
end_ebml_master(pb, master);
} else {
end_ebml_master(*dyn_cp, master);
size = avio_close_dyn_buf(*dyn_cp, &buf);
avio_write(pb, buf, size);
}
av_free(buf);
*dyn_cp = NULL;
}
|
20e8be0c |
/**
* Complete ebml master whithout destroying the buffer, allowing for later updates
*/
static void end_ebml_master_crc32_preliminary(AVIOContext *pb, AVIOContext **dyn_cp, MatroskaMuxContext *mkv,
ebml_master master)
{ |
4de591e6 |
if (pb->seekable & AVIO_SEEKABLE_NORMAL) { |
20e8be0c |
uint8_t *buf;
int size = avio_get_dyn_buf(*dyn_cp, &buf);
avio_write(pb, buf, size);
end_ebml_master(pb, master);
}
}
|
ae628ec1 |
static void put_xiph_size(AVIOContext *pb, int size) |
86be6637 |
{ |
5ceffb1b |
ffio_fill(pb, 255, size / 255); |
77eb5504 |
avio_w8(pb, size % 255); |
86be6637 |
}
|
57848e9a |
/** |
3dabebc2 |
* Free the members allocated in the mux context.
*/
static void mkv_free(MatroskaMuxContext *mkv) { |
e4a1d87e |
uint8_t* buf;
if (mkv->dyn_bc) {
avio_close_dyn_buf(mkv->dyn_bc, &buf);
av_free(buf);
}
if (mkv->info_bc) {
avio_close_dyn_buf(mkv->info_bc, &buf);
av_free(buf);
}
if (mkv->tracks_bc) {
avio_close_dyn_buf(mkv->tracks_bc, &buf);
av_free(buf);
}
if (mkv->tags_bc) {
avio_close_dyn_buf(mkv->tags_bc, &buf);
av_free(buf);
} |
3dabebc2 |
if (mkv->main_seekhead) {
av_freep(&mkv->main_seekhead->entries);
av_freep(&mkv->main_seekhead);
}
if (mkv->cues) {
av_freep(&mkv->cues->entries);
av_freep(&mkv->cues);
} |
c44eae15 |
if (mkv->attachments) {
av_freep(&mkv->attachments->entries);
av_freep(&mkv->attachments);
} |
3dabebc2 |
av_freep(&mkv->tracks);
av_freep(&mkv->stream_durations);
av_freep(&mkv->stream_duration_offsets);
}
/** |
cfde5d18 |
* Initialize a mkv_seekhead element to be ready to index level 1 Matroska
* elements. If a maximum number of elements is specified, enough space
* will be reserved at the current file location to write a seek head of
* that size. |
57848e9a |
* |
cfde5d18 |
* @param segment_offset The absolute offset to the position in the file |
ab332d01 |
* where the segment begins.
* @param numelements The maximum number of elements that will be indexed |
cfde5d18 |
* by this seek head, 0 if unlimited. |
57848e9a |
*/ |
f1f6156b |
static mkv_seekhead *mkv_start_seekhead(AVIOContext *pb, int64_t segment_offset,
int numelements) |
967d815a |
{
mkv_seekhead *new_seekhead = av_mallocz(sizeof(mkv_seekhead)); |
f929ab05 |
if (!new_seekhead) |
967d815a |
return NULL;
new_seekhead->segment_offset = segment_offset;
if (numelements > 0) { |
a2704c97 |
new_seekhead->filepos = avio_tell(pb); |
cfde5d18 |
// 21 bytes max for a seek entry, 10 bytes max for the SeekHead ID |
3b189fae |
// and size, 6 bytes for a CRC32 element, and 3 bytes to guarantee
// that an EBML void element will fit afterwards
new_seekhead->reserved_size = numelements * MAX_SEEKENTRY_SIZE + 19; |
f1f6156b |
new_seekhead->max_entries = numelements; |
967d815a |
put_ebml_void(pb, new_seekhead->reserved_size);
}
return new_seekhead;
}
static int mkv_add_seekhead_entry(mkv_seekhead *seekhead, unsigned int elementid, uint64_t filepos)
{
mkv_seekhead_entry *entries = seekhead->entries;
// don't store more elements than we reserved space for
if (seekhead->max_entries > 0 && seekhead->max_entries <= seekhead->num_entries)
return -1;
|
9bca8e53 |
entries = av_realloc_array(entries, seekhead->num_entries + 1, sizeof(mkv_seekhead_entry)); |
fb33bff9 |
if (!entries) |
c9367c07 |
return AVERROR(ENOMEM); |
ba5e7781 |
seekhead->entries = entries; |
967d815a |
|
00a63bfb |
seekhead->entries[seekhead->num_entries].elementid = elementid;
seekhead->entries[seekhead->num_entries++].segmentpos = filepos - seekhead->segment_offset; |
967d815a |
return 0;
}
|
57848e9a |
/** |
cfde5d18 |
* Write the seek head to the file and free it. If a maximum number of
* elements was specified to mkv_start_seekhead(), the seek head will
* be written at the location reserved for it. Otherwise, it is written
* at the current location in the file. |
57848e9a |
* |
7a2a4840 |
* @return The file offset where the seekhead was written,
* -1 if an error occurred. |
57848e9a |
*/ |
3dabebc2 |
static int64_t mkv_write_seekhead(AVIOContext *pb, MatroskaMuxContext *mkv) |
967d815a |
{ |
3b189fae |
AVIOContext *dyn_cp; |
3dabebc2 |
mkv_seekhead *seekhead = mkv->main_seekhead; |
baf71dca |
ebml_master metaseek, seekentry; |
bc5c918e |
int64_t currentpos; |
967d815a |
int i;
|
a2704c97 |
currentpos = avio_tell(pb); |
967d815a |
|
44729bc0 |
if (seekhead->reserved_size > 0) {
if (avio_seek(pb, seekhead->filepos, SEEK_SET) < 0) {
currentpos = -1;
goto fail;
}
} |
967d815a |
|
eabbc647 |
if (start_ebml_master_crc32(pb, &dyn_cp, mkv, &metaseek, MATROSKA_ID_SEEKHEAD, |
3b189fae |
seekhead->reserved_size) < 0) {
currentpos = -1;
goto fail;
}
|
967d815a |
for (i = 0; i < seekhead->num_entries; i++) {
mkv_seekhead_entry *entry = &seekhead->entries[i];
|
3b189fae |
seekentry = start_ebml_master(dyn_cp, MATROSKA_ID_SEEKENTRY, MAX_SEEKENTRY_SIZE); |
967d815a |
|
3b189fae |
put_ebml_id(dyn_cp, MATROSKA_ID_SEEKID);
put_ebml_num(dyn_cp, ebml_id_size(entry->elementid), 0);
put_ebml_id(dyn_cp, entry->elementid); |
967d815a |
|
3b189fae |
put_ebml_uint(dyn_cp, MATROSKA_ID_SEEKPOSITION, entry->segmentpos);
end_ebml_master(dyn_cp, seekentry); |
967d815a |
} |
3b189fae |
end_ebml_master_crc32(pb, &dyn_cp, mkv, metaseek); |
967d815a |
if (seekhead->reserved_size > 0) { |
a2704c97 |
uint64_t remaining = seekhead->filepos + seekhead->reserved_size - avio_tell(pb); |
967d815a |
put_ebml_void(pb, remaining); |
6b4aa5da |
avio_seek(pb, currentpos, SEEK_SET); |
967d815a |
currentpos = seekhead->filepos;
} |
44729bc0 |
fail: |
3dabebc2 |
av_freep(&mkv->main_seekhead->entries);
av_freep(&mkv->main_seekhead); |
967d815a |
return currentpos;
}
|
f1f6156b |
static mkv_cues *mkv_start_cues(int64_t segment_offset) |
6364d534 |
{
mkv_cues *cues = av_mallocz(sizeof(mkv_cues)); |
f929ab05 |
if (!cues) |
6364d534 |
return NULL;
cues->segment_offset = segment_offset;
return cues;
}
|
37cef8c7 |
static int mkv_add_cuepoint(mkv_cues *cues, int stream, int tracknum, int64_t ts,
int64_t cluster_pos, int64_t relative_pos, int64_t duration) |
6364d534 |
{
mkv_cuepoint *entries = cues->entries;
|
4ffbe3f3 |
if (ts < 0)
return 0;
|
9bca8e53 |
entries = av_realloc_array(entries, cues->num_entries + 1, sizeof(mkv_cuepoint)); |
fb33bff9 |
if (!entries) |
c9367c07 |
return AVERROR(ENOMEM); |
ba5e7781 |
cues->entries = entries; |
6364d534 |
|
00a63bfb |
cues->entries[cues->num_entries].pts = ts; |
37cef8c7 |
cues->entries[cues->num_entries].stream_idx = stream;
cues->entries[cues->num_entries].tracknum = tracknum; |
ba5e7781 |
cues->entries[cues->num_entries].cluster_pos = cluster_pos - cues->segment_offset; |
56f17407 |
cues->entries[cues->num_entries].relative_pos = relative_pos;
cues->entries[cues->num_entries++].duration = duration; |
6364d534 |
return 0;
}
|
925f7980 |
static int64_t mkv_write_cues(AVFormatContext *s, mkv_cues *cues, mkv_track *tracks, int num_tracks) |
6364d534 |
{ |
79248795 |
MatroskaMuxContext *mkv = s->priv_data;
AVIOContext *dyn_cp, *pb = s->pb; |
baf71dca |
ebml_master cues_element; |
bc5c918e |
int64_t currentpos; |
79248795 |
int i, j, ret; |
6364d534 |
|
a2704c97 |
currentpos = avio_tell(pb); |
eabbc647 |
ret = start_ebml_master_crc32(pb, &dyn_cp, mkv, &cues_element, MATROSKA_ID_CUES, 0); |
79248795 |
if (ret < 0)
return ret; |
6364d534 |
for (i = 0; i < cues->num_entries; i++) { |
baf71dca |
ebml_master cuepoint, track_positions; |
6364d534 |
mkv_cuepoint *entry = &cues->entries[i];
uint64_t pts = entry->pts; |
64d029de |
int ctp_nb = 0; |
6364d534 |
|
64d029de |
// Calculate the number of entries, so we know the element size
for (j = 0; j < num_tracks; j++)
tracks[j].has_cue = 0;
for (j = 0; j < cues->num_entries - i && entry[j].pts == pts; j++) {
int tracknum = entry[j].stream_idx;
av_assert0(tracknum>=0 && tracknum<num_tracks); |
6f69f7a8 |
if (tracks[tracknum].has_cue && s->streams[tracknum]->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE) |
64d029de |
continue;
tracks[tracknum].has_cue = 1;
ctp_nb ++;
}
|
79248795 |
cuepoint = start_ebml_master(dyn_cp, MATROSKA_ID_POINTENTRY, MAX_CUEPOINT_SIZE(ctp_nb));
put_ebml_uint(dyn_cp, MATROSKA_ID_CUETIME, pts); |
6364d534 |
// put all the entries from different tracks that have the exact same
// timestamp into the same CuePoint |
271f4112 |
for (j = 0; j < num_tracks; j++)
tracks[j].has_cue = 0; |
6364d534 |
for (j = 0; j < cues->num_entries - i && entry[j].pts == pts; j++) { |
37cef8c7 |
int tracknum = entry[j].stream_idx; |
285485ac |
av_assert0(tracknum>=0 && tracknum<num_tracks); |
6f69f7a8 |
if (tracks[tracknum].has_cue && s->streams[tracknum]->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE) |
271f4112 |
continue; |
285485ac |
tracks[tracknum].has_cue = 1; |
79248795 |
track_positions = start_ebml_master(dyn_cp, MATROSKA_ID_CUETRACKPOSITION, MAX_CUETRACKPOS_SIZE);
put_ebml_uint(dyn_cp, MATROSKA_ID_CUETRACK , entry[j].tracknum );
put_ebml_uint(dyn_cp, MATROSKA_ID_CUECLUSTERPOSITION , entry[j].cluster_pos);
put_ebml_uint(dyn_cp, MATROSKA_ID_CUERELATIVEPOSITION, entry[j].relative_pos); |
56f17407 |
if (entry[j].duration != -1) |
79248795 |
put_ebml_uint(dyn_cp, MATROSKA_ID_CUEDURATION , entry[j].duration);
end_ebml_master(dyn_cp, track_positions); |
6364d534 |
}
i += j - 1; |
79248795 |
end_ebml_master(dyn_cp, cuepoint); |
6364d534 |
} |
79248795 |
end_ebml_master_crc32(pb, &dyn_cp, mkv, cues_element); |
6364d534 |
return currentpos;
}
|
9200514a |
static int put_xiph_codecpriv(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par) |
56d55a3b |
{ |
ad2deb02 |
const uint8_t *header_start[3]; |
56d55a3b |
int header_len[3];
int first_header_size; |
86be6637 |
int j; |
56d55a3b |
|
9200514a |
if (par->codec_id == AV_CODEC_ID_VORBIS) |
56d55a3b |
first_header_size = 30;
else
first_header_size = 42;
|
9200514a |
if (avpriv_split_xiph_headers(par->extradata, par->extradata_size, |
56d55a3b |
first_header_size, header_start, header_len) < 0) { |
b62a33d0 |
av_log(s, AV_LOG_ERROR, "Extradata corrupt.\n"); |
56d55a3b |
return -1;
}
|
77eb5504 |
avio_w8(pb, 2); // number packets - 1 |
56d55a3b |
for (j = 0; j < 2; j++) { |
86be6637 |
put_xiph_size(pb, header_len[j]); |
56d55a3b |
}
for (j = 0; j < 3; j++) |
77eb5504 |
avio_write(pb, header_start[j], header_len[j]); |
801edb42 |
return 0; |
56d55a3b |
} |
67143c0f |
|
9200514a |
static int put_wv_codecpriv(AVIOContext *pb, AVCodecParameters *par) |
01656fd4 |
{ |
9200514a |
if (par->extradata && par->extradata_size == 2)
avio_write(pb, par->extradata, 2); |
01656fd4 |
else
avio_wl16(pb, 0x403); // fallback to the version mentioned in matroska specs
return 0;
}
|
106b62f4 |
static int put_flac_codecpriv(AVFormatContext *s, |
9200514a |
AVIOContext *pb, AVCodecParameters *par) |
106b62f4 |
{ |
9200514a |
int write_comment = (par->channel_layout &&
!(par->channel_layout & ~0x3ffffULL) &&
!ff_flac_is_native_layout(par->channel_layout));
int ret = ff_flac_write_header(pb, par->extradata, par->extradata_size, |
e19d48df |
!write_comment); |
106b62f4 |
if (ret < 0)
return ret;
if (write_comment) {
const char *vendor = (s->flags & AVFMT_FLAG_BITEXACT) ? |
cf3a038f |
"Lavf" : LIBAVFORMAT_IDENT; |
106b62f4 |
AVDictionary *dict = NULL;
uint8_t buf[32], *data, *p; |
66f26b3e |
int64_t len; |
106b62f4 |
|
9200514a |
snprintf(buf, sizeof(buf), "0x%"PRIx64, par->channel_layout); |
106b62f4 |
av_dict_set(&dict, "WAVEFORMATEXTENSIBLE_CHANNEL_MASK", buf, 0);
len = ff_vorbiscomment_length(dict, vendor); |
66f26b3e |
if (len >= ((1<<24) - 4))
return AVERROR(EINVAL);
|
106b62f4 |
data = av_malloc(len + 4);
if (!data) {
av_dict_free(&dict);
return AVERROR(ENOMEM);
}
data[0] = 0x84;
AV_WB24(data + 1, len);
p = data + 4;
ff_vorbiscomment_write(&p, &dict, vendor);
avio_write(pb, data, len + 4);
av_freep(&data);
av_dict_free(&dict);
}
return 0;
}
|
7631f14b |
static int get_aac_sample_rates(AVFormatContext *s, uint8_t *extradata, int extradata_size, |
51da7d02 |
int *sample_rate, int *output_sample_rate) |
07918a22 |
{ |
bc17bd90 |
MPEG4AudioConfig mp4ac; |
7631f14b |
int ret; |
07918a22 |
|
7631f14b |
ret = avpriv_mpeg4audio_get_config(&mp4ac, extradata,
extradata_size * 8, 1);
/* Don't abort if the failure is because of missing extradata. Assume in that
* case a bitstream filter will provide the muxer with the extradata in the
* first packet.
* Abort however if s->pb is not seekable, as we would not be able to seek back
* to write the sample rate elements once the extradata shows up, anyway. */
if (ret < 0 && (extradata_size || !(s->pb->seekable & AVIO_SEEKABLE_NORMAL))) { |
51da7d02 |
av_log(s, AV_LOG_ERROR, |
f1f6156b |
"Error parsing AAC extradata, unable to determine samplerate.\n"); |
51da7d02 |
return AVERROR(EINVAL); |
07918a22 |
}
|
7631f14b |
if (ret < 0) {
/* This will only happen when this function is called while writing the
* header and no extradata is available. The space for this element has
* to be reserved for when this function is called again after the
* extradata shows up in the first packet, as there's no way to know if
* output_sample_rate will be different than sample_rate or not. */
*output_sample_rate = *sample_rate;
} else {
*sample_rate = mp4ac.sample_rate;
*output_sample_rate = mp4ac.ext_sample_rate;
} |
51da7d02 |
return 0; |
07918a22 |
}
|
7631f14b |
static int mkv_write_native_codecprivate(AVFormatContext *s, AVIOContext *pb, |
9200514a |
AVCodecParameters *par, |
b75a1f98 |
AVIOContext *dyn_cp)
{ |
9200514a |
switch (par->codec_id) { |
b75a1f98 |
case AV_CODEC_ID_VORBIS:
case AV_CODEC_ID_THEORA: |
9200514a |
return put_xiph_codecpriv(s, dyn_cp, par); |
b75a1f98 |
case AV_CODEC_ID_FLAC: |
9200514a |
return put_flac_codecpriv(s, dyn_cp, par); |
b75a1f98 |
case AV_CODEC_ID_WAVPACK: |
9200514a |
return put_wv_codecpriv(dyn_cp, par); |
b75a1f98 |
case AV_CODEC_ID_H264: |
9200514a |
return ff_isom_write_avcc(dyn_cp, par->extradata,
par->extradata_size); |
b75a1f98 |
case AV_CODEC_ID_HEVC: |
6f69f7a8 |
ff_isom_write_hvcc(dyn_cp, par->extradata,
par->extradata_size, 0); |
7a5356c7 |
return 0; |
b75a1f98 |
case AV_CODEC_ID_ALAC: |
9200514a |
if (par->extradata_size < 36) { |
b75a1f98 |
av_log(s, AV_LOG_ERROR,
"Invalid extradata found, ALAC expects a 36-byte "
"QuickTime atom.");
return AVERROR_INVALIDDATA;
} else |
9200514a |
avio_write(dyn_cp, par->extradata + 12,
par->extradata_size - 12); |
b75a1f98 |
break; |
7631f14b |
case AV_CODEC_ID_AAC:
if (par->extradata_size)
avio_write(dyn_cp, par->extradata, par->extradata_size);
else
put_ebml_void(pb, MAX_PCE_SIZE + 2 + 4);
break; |
b75a1f98 |
default: |
6f69f7a8 |
if (par->codec_id == AV_CODEC_ID_PRORES &&
ff_codec_get_id(ff_codec_movvideo_tags, par->codec_tag) == AV_CODEC_ID_PRORES) {
avio_wl32(dyn_cp, par->codec_tag);
} else if (par->extradata_size && par->codec_id != AV_CODEC_ID_TTA)
avio_write(dyn_cp, par->extradata, par->extradata_size); |
b75a1f98 |
}
return 0;
}
|
f1f6156b |
static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb, |
9200514a |
AVCodecParameters *par,
int native_id, int qt_id) |
5c559894 |
{ |
ae628ec1 |
AVIOContext *dyn_cp; |
46d18a88 |
uint8_t *codecpriv; |
899681cd |
int ret, codecpriv_size; |
46d18a88 |
|
b92c5452 |
ret = avio_open_dyn_buf(&dyn_cp); |
f1f6156b |
if (ret < 0) |
899681cd |
return ret; |
5c559894 |
if (native_id) { |
7631f14b |
ret = mkv_write_native_codecprivate(s, pb, par, dyn_cp); |
9200514a |
} else if (par->codec_type == AVMEDIA_TYPE_VIDEO) { |
f009e36f |
if (qt_id) { |
9200514a |
if (!par->codec_tag)
par->codec_tag = ff_codec_get_tag(ff_codec_movvideo_tags, |
6f69f7a8 |
par->codec_id); |
6089c44a |
if ( ff_codec_get_id(ff_codec_movvideo_tags, par->codec_tag) == par->codec_id
&& (!par->extradata_size || ff_codec_get_id(ff_codec_movvideo_tags, AV_RL32(par->extradata + 4)) != par->codec_id)
) {
int i;
avio_wb32(dyn_cp, 0x5a + par->extradata_size);
avio_wl32(dyn_cp, par->codec_tag);
for(i = 0; i < 0x5a - 8; i++)
avio_w8(dyn_cp, 0);
}
avio_write(dyn_cp, par->extradata, par->extradata_size); |
f009e36f |
} else { |
6f69f7a8 |
if (!ff_codec_get_tag(ff_codec_bmp_tags, par->codec_id)) |
f5f6e594 |
av_log(s, AV_LOG_WARNING, "codec %s is not supported by this format\n", |
6f69f7a8 |
avcodec_get_name(par->codec_id)); |
f5f6e594 |
|
9200514a |
if (!par->codec_tag)
par->codec_tag = ff_codec_get_tag(ff_codec_bmp_tags,
par->codec_id); |
6f69f7a8 |
if (!par->codec_tag && par->codec_id != AV_CODEC_ID_RAWVIDEO) { |
6b171f04 |
av_log(s, AV_LOG_ERROR, "No bmp codec tag found for codec %s\n", |
6f69f7a8 |
avcodec_get_name(par->codec_id)); |
6b171f04 |
ret = AVERROR(EINVAL); |
434a70b8 |
} |
5c559894 |
|
0aa8fa96 |
ff_put_bmp_header(dyn_cp, par, 0, 0); |
f009e36f |
} |
9200514a |
} else if (par->codec_type == AVMEDIA_TYPE_AUDIO) { |
4896dd57 |
unsigned int tag; |
9200514a |
tag = ff_codec_get_tag(ff_codec_wav_tags, par->codec_id); |
4896dd57 |
if (!tag) { |
6b171f04 |
av_log(s, AV_LOG_ERROR, "No wav codec tag found for codec %s\n", |
6f69f7a8 |
avcodec_get_name(par->codec_id)); |
6b171f04 |
ret = AVERROR(EINVAL); |
5c559894 |
} |
9200514a |
if (!par->codec_tag)
par->codec_tag = tag; |
5c559894 |
|
6f69f7a8 |
ff_put_wav_header(s, dyn_cp, par, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX); |
5c559894 |
} |
46d18a88 |
|
6dc7d80d |
codecpriv_size = avio_close_dyn_buf(dyn_cp, &codecpriv); |
46d18a88 |
if (codecpriv_size) |
f1f6156b |
put_ebml_binary(pb, MATROSKA_ID_CODECPRIVATE, codecpriv,
codecpriv_size); |
46d18a88 |
av_free(codecpriv);
return ret; |
5c559894 |
}
|
6f69f7a8 |
static int mkv_write_video_color(AVIOContext *pb, AVCodecParameters *par, AVStream *st) { |
9b8ac526 |
AVIOContext *dyn_cp;
uint8_t *colorinfo_ptr; |
e7e5c5e6 |
int side_data_size = 0; |
9b8ac526 |
int ret, colorinfo_size; |
37cc1c1e |
const uint8_t *side_data; |
9b8ac526 |
ret = avio_open_dyn_buf(&dyn_cp);
if (ret < 0)
return ret; |
e7e5c5e6 |
|
6f69f7a8 |
if (par->color_trc != AVCOL_TRC_UNSPECIFIED &&
par->color_trc < AVCOL_TRC_NB) { |
9b8ac526 |
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOCOLORTRANSFERCHARACTERISTICS, |
6f69f7a8 |
par->color_trc); |
e7e5c5e6 |
} |
6f69f7a8 |
if (par->color_space != AVCOL_SPC_UNSPECIFIED &&
par->color_space < AVCOL_SPC_NB) { |
9b8ac526 |
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOCOLORMATRIXCOEFF, par->color_space); |
e7e5c5e6 |
} |
6f69f7a8 |
if (par->color_primaries != AVCOL_PRI_UNSPECIFIED &&
par->color_primaries < AVCOL_PRI_NB) { |
9b8ac526 |
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOCOLORPRIMARIES, par->color_primaries); |
e7e5c5e6 |
} |
6f69f7a8 |
if (par->color_range != AVCOL_RANGE_UNSPECIFIED &&
par->color_range < AVCOL_RANGE_NB) { |
9b8ac526 |
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOCOLORRANGE, par->color_range); |
e7e5c5e6 |
} |
bab6b606 |
if (par->chroma_location != AVCHROMA_LOC_UNSPECIFIED &&
par->chroma_location <= AVCHROMA_LOC_TOP) {
int xpos, ypos;
avcodec_enum_to_chroma_pos(&xpos, &ypos, par->chroma_location);
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOCOLORCHROMASITINGHORZ, (xpos >> 7) + 1);
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOCOLORCHROMASITINGVERT, (ypos >> 7) + 1);
} |
37cc1c1e |
side_data = av_stream_get_side_data(st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL,
&side_data_size);
if (side_data_size) {
const AVContentLightMetadata *metadata =
(const AVContentLightMetadata*)side_data;
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOCOLORMAXCLL, metadata->MaxCLL);
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOCOLORMAXFALL, metadata->MaxFALL);
}
side_data = av_stream_get_side_data(st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA,
&side_data_size); |
e7e5c5e6 |
if (side_data_size == sizeof(AVMasteringDisplayMetadata)) {
ebml_master meta_element = start_ebml_master( |
9b8ac526 |
dyn_cp, MATROSKA_ID_VIDEOCOLORMASTERINGMETA, 0); |
e7e5c5e6 |
const AVMasteringDisplayMetadata *metadata =
(const AVMasteringDisplayMetadata*)side_data;
if (metadata->has_primaries) { |
9b8ac526 |
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOCOLOR_RX, |
e7e5c5e6 |
av_q2d(metadata->display_primaries[0][0])); |
9b8ac526 |
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOCOLOR_RY, |
e7e5c5e6 |
av_q2d(metadata->display_primaries[0][1])); |
9b8ac526 |
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOCOLOR_GX, |
e7e5c5e6 |
av_q2d(metadata->display_primaries[1][0])); |
9b8ac526 |
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOCOLOR_GY, |
e7e5c5e6 |
av_q2d(metadata->display_primaries[1][1])); |
9b8ac526 |
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOCOLOR_BX, |
e7e5c5e6 |
av_q2d(metadata->display_primaries[2][0])); |
9b8ac526 |
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOCOLOR_BY, |
e7e5c5e6 |
av_q2d(metadata->display_primaries[2][1])); |
9b8ac526 |
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOCOLOR_WHITEX, |
e7e5c5e6 |
av_q2d(metadata->white_point[0])); |
9b8ac526 |
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOCOLOR_WHITEY, |
e7e5c5e6 |
av_q2d(metadata->white_point[1]));
}
if (metadata->has_luminance) { |
9b8ac526 |
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOCOLOR_LUMINANCEMAX, |
e7e5c5e6 |
av_q2d(metadata->max_luminance)); |
9b8ac526 |
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOCOLOR_LUMINANCEMIN, |
e7e5c5e6 |
av_q2d(metadata->min_luminance));
} |
9b8ac526 |
end_ebml_master(dyn_cp, meta_element); |
e7e5c5e6 |
} |
9b8ac526 |
colorinfo_size = avio_close_dyn_buf(dyn_cp, &colorinfo_ptr);
if (colorinfo_size) { |
dce86342 |
ebml_master colorinfo = start_ebml_master(pb, MATROSKA_ID_VIDEOCOLOR, colorinfo_size); |
9b8ac526 |
avio_write(pb, colorinfo_ptr, colorinfo_size);
end_ebml_master(pb, colorinfo);
}
av_free(colorinfo_ptr); |
e7e5c5e6 |
return 0;
}
|
827a05ea |
static int mkv_write_video_projection(AVFormatContext *s, AVIOContext *pb,
AVStream *st) |
58eb0f57 |
{ |
827a05ea |
AVIOContext b;
AVIOContext *dyn_cp; |
58eb0f57 |
int side_data_size = 0; |
827a05ea |
int ret, projection_size;
uint8_t *projection_ptr;
uint8_t private[20];
|
58eb0f57 |
const AVSphericalMapping *spherical = |
827a05ea |
(const AVSphericalMapping *)av_stream_get_side_data(st, AV_PKT_DATA_SPHERICAL, |
58eb0f57 |
&side_data_size);
|
fd59207c |
if (!side_data_size) |
827a05ea |
return 0;
ret = avio_open_dyn_buf(&dyn_cp);
if (ret < 0)
return ret; |
58eb0f57 |
|
827a05ea |
switch (spherical->projection) {
case AV_SPHERICAL_EQUIRECTANGULAR:
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONTYPE,
MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR);
break;
case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
ffio_init_context(&b, private, 20, 1, NULL, NULL, NULL, NULL);
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONTYPE,
MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR);
avio_wb32(&b, 0); // version + flags
avio_wb32(&b, spherical->bound_top);
avio_wb32(&b, spherical->bound_bottom);
avio_wb32(&b, spherical->bound_left);
avio_wb32(&b, spherical->bound_right);
put_ebml_binary(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPRIVATE, |
fd59207c |
private, avio_tell(&b)); |
827a05ea |
break;
case AV_SPHERICAL_CUBEMAP:
ffio_init_context(&b, private, 12, 1, NULL, NULL, NULL, NULL);
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONTYPE,
MATROSKA_VIDEO_PROJECTION_TYPE_CUBEMAP);
avio_wb32(&b, 0); // version + flags
avio_wb32(&b, 0); // layout
avio_wb32(&b, spherical->padding);
put_ebml_binary(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPRIVATE, |
fd59207c |
private, avio_tell(&b)); |
827a05ea |
break;
default:
av_log(s, AV_LOG_WARNING, "Unknown projection type\n");
goto end;
}
if (spherical->yaw)
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPOSEYAW,
(double) spherical->yaw / (1 << 16));
if (spherical->pitch)
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPOSEPITCH,
(double) spherical->pitch / (1 << 16));
if (spherical->roll)
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPOSEROLL,
(double) spherical->roll / (1 << 16)); |
58eb0f57 |
end: |
827a05ea |
projection_size = avio_close_dyn_buf(dyn_cp, &projection_ptr);
if (projection_size) {
ebml_master projection = start_ebml_master(pb,
MATROSKA_ID_VIDEOPROJECTION,
projection_size);
avio_write(pb, projection_ptr, projection_size);
end_ebml_master(pb, projection); |
58eb0f57 |
} |
827a05ea |
av_freep(&projection_ptr); |
58eb0f57 |
return 0;
}
|
3cc9d6d3 |
static void mkv_write_field_order(AVIOContext *pb, int mode, |
e3453fd4 |
enum AVFieldOrder field_order)
{
switch (field_order) {
case AV_FIELD_UNKNOWN:
break;
case AV_FIELD_PROGRESSIVE:
put_ebml_uint(pb, MATROSKA_ID_VIDEOFLAGINTERLACED,
MATROSKA_VIDEO_INTERLACE_FLAG_PROGRESSIVE);
break;
case AV_FIELD_TT:
case AV_FIELD_BB:
case AV_FIELD_TB:
case AV_FIELD_BT:
put_ebml_uint(pb, MATROSKA_ID_VIDEOFLAGINTERLACED,
MATROSKA_VIDEO_INTERLACE_FLAG_INTERLACED); |
3cc9d6d3 |
if (mode != MODE_WEBM) {
switch (field_order) {
case AV_FIELD_TT:
put_ebml_uint(pb, MATROSKA_ID_VIDEOFIELDORDER,
MATROSKA_VIDEO_FIELDORDER_TT);
break;
case AV_FIELD_BB:
put_ebml_uint(pb, MATROSKA_ID_VIDEOFIELDORDER,
MATROSKA_VIDEO_FIELDORDER_BB);
break;
case AV_FIELD_TB:
put_ebml_uint(pb, MATROSKA_ID_VIDEOFIELDORDER,
MATROSKA_VIDEO_FIELDORDER_TB);
break;
case AV_FIELD_BT:
put_ebml_uint(pb, MATROSKA_ID_VIDEOFIELDORDER,
MATROSKA_VIDEO_FIELDORDER_BT);
break;
} |
e3453fd4 |
}
}
} |
39cd9fdb |
|
4d686fb7 |
static int mkv_write_stereo_mode(AVFormatContext *s, AVIOContext *pb, |
f769671f |
AVStream *st, int mode, int *h_width, int *h_height) |
48e64324 |
{ |
4d686fb7 |
int i; |
39cd9fdb |
int ret = 0; |
4d686fb7 |
AVDictionaryEntry *tag;
MatroskaVideoStereoModeType format = MATROSKA_VIDEO_STEREOMODE_TYPE_NB;
|
f769671f |
*h_width = 1;
*h_height = 1; |
4d686fb7 |
// convert metadata into proper side data and add it to the stream |
39cd9fdb |
if ((tag = av_dict_get(st->metadata, "stereo_mode", NULL, 0)) ||
(tag = av_dict_get( s->metadata, "stereo_mode", NULL, 0))) { |
4d686fb7 |
int stereo_mode = atoi(tag->value); |
39cd9fdb |
|
37520a91 |
for (i=0; i<MATROSKA_VIDEO_STEREOMODE_TYPE_NB; i++) |
39cd9fdb |
if (!strcmp(tag->value, ff_matroska_video_stereo_mode[i])){
stereo_mode = i;
break;
}
|
4d686fb7 |
if (stereo_mode < MATROSKA_VIDEO_STEREOMODE_TYPE_NB &&
stereo_mode != 10 && stereo_mode != 12) {
int ret = ff_mkv_stereo3d_conv(st, stereo_mode);
if (ret < 0)
return ret;
}
} |
48e64324 |
|
090c67d5 |
// iterate to find the stereo3d side data |
4d686fb7 |
for (i = 0; i < st->nb_side_data; i++) {
AVPacketSideData sd = st->side_data[i];
if (sd.type == AV_PKT_DATA_STEREO3D) {
AVStereo3D *stereo = (AVStereo3D *)sd.data;
switch (stereo->type) {
case AV_STEREO3D_2D:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_MONO;
break;
case AV_STEREO3D_SIDEBYSIDE:
format = (stereo->flags & AV_STEREO3D_FLAG_INVERT)
? MATROSKA_VIDEO_STEREOMODE_TYPE_RIGHT_LEFT
: MATROSKA_VIDEO_STEREOMODE_TYPE_LEFT_RIGHT; |
f769671f |
*h_width = 2; |
4d686fb7 |
break;
case AV_STEREO3D_TOPBOTTOM:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_TOP_BOTTOM;
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
format--; |
f769671f |
*h_height = 2; |
4d686fb7 |
break;
case AV_STEREO3D_CHECKERBOARD:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_CHECKERBOARD_LR;
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
format--;
break;
case AV_STEREO3D_LINES:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_ROW_INTERLEAVED_LR;
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
format--; |
f769671f |
*h_height = 2; |
4d686fb7 |
break;
case AV_STEREO3D_COLUMNS:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_COL_INTERLEAVED_LR;
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
format--; |
f769671f |
*h_width = 2; |
4d686fb7 |
break;
case AV_STEREO3D_FRAMESEQUENCE:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_LR;
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
format++;
break;
}
break;
} |
48e64324 |
}
|
39cd9fdb |
if (format == MATROSKA_VIDEO_STEREOMODE_TYPE_NB)
return ret;
|
090c67d5 |
// if webm, do not write unsupported modes |
39cd9fdb |
if ((mode == MODE_WEBM &&
format > MATROSKA_VIDEO_STEREOMODE_TYPE_TOP_BOTTOM &&
format != MATROSKA_VIDEO_STEREOMODE_TYPE_RIGHT_LEFT) |
37520a91 |
|| format >= MATROSKA_VIDEO_STEREOMODE_TYPE_NB) { |
141ee109 |
av_log(s, AV_LOG_ERROR,
"The specified stereo mode is not valid.\n"); |
4d686fb7 |
format = MATROSKA_VIDEO_STEREOMODE_TYPE_NB; |
141ee109 |
return AVERROR(EINVAL); |
39cd9fdb |
} |
48e64324 |
|
090c67d5 |
// write StereoMode if format is valid |
39cd9fdb |
put_ebml_uint(pb, MATROSKA_ID_VIDEOSTEREOMODE, format); |
4d686fb7 |
|
39cd9fdb |
return ret; |
48e64324 |
}
|
b75a1f98 |
static int mkv_write_track(AVFormatContext *s, MatroskaMuxContext *mkv, |
ee78b0c2 |
int i, AVIOContext *pb, int default_stream_exists) |
67143c0f |
{ |
b75a1f98 |
AVStream *st = s->streams[i]; |
9200514a |
AVCodecParameters *par = st->codecpar; |
b75a1f98 |
ebml_master subinfo, track;
int native_id = 0;
int qt_id = 0; |
9200514a |
int bit_depth = av_get_bits_per_sample(par->codec_id);
int sample_rate = par->sample_rate; |
b75a1f98 |
int output_sample_rate = 0; |
ee78b0c2 |
int display_width_div = 1;
int display_height_div = 1; |
b75a1f98 |
int j, ret;
AVDictionaryEntry *tag;
|
9200514a |
if (par->codec_type == AVMEDIA_TYPE_ATTACHMENT) { |
b75a1f98 |
mkv->have_attachments = 1;
return 0; |
91f35929 |
} |
c7a63a52 |
|
2062d512 |
if (par->codec_type == AVMEDIA_TYPE_AUDIO) { |
566be4f9 |
if (!bit_depth && par->codec_id != AV_CODEC_ID_ADPCM_G726) {
if (par->bits_per_raw_sample)
bit_depth = par->bits_per_raw_sample;
else
bit_depth = av_get_bytes_per_sample(par->format) << 3;
}
if (!bit_depth)
bit_depth = par->bits_per_coded_sample; |
2062d512 |
} |
967d815a |
|
9200514a |
if (par->codec_id == AV_CODEC_ID_AAC) { |
7631f14b |
ret = get_aac_sample_rates(s, par->extradata, par->extradata_size, &sample_rate,
&output_sample_rate); |
51da7d02 |
if (ret < 0)
return ret;
} |
c7a63a52 |
|
b75a1f98 |
track = start_ebml_master(pb, MATROSKA_ID_TRACKENTRY, 0); |
ee78b0c2 |
put_ebml_uint (pb, MATROSKA_ID_TRACKNUMBER,
mkv->is_dash ? mkv->dash_track_number : i + 1);
put_ebml_uint (pb, MATROSKA_ID_TRACKUID,
mkv->is_dash ? mkv->dash_track_number : i + 1); |
b75a1f98 |
put_ebml_uint (pb, MATROSKA_ID_TRACKFLAGLACING , 0); // no lacing (yet) |
a6da1aa0 |
|
b75a1f98 |
if ((tag = av_dict_get(st->metadata, "title", NULL, 0)))
put_ebml_string(pb, MATROSKA_ID_TRACKNAME, tag->value);
tag = av_dict_get(st->metadata, "language", NULL, 0); |
6f69f7a8 |
if (mkv->mode != MODE_WEBM || par->codec_id != AV_CODEC_ID_WEBVTT) { |
73b7a360 |
put_ebml_string(pb, MATROSKA_ID_TRACKLANGUAGE, tag && tag->value ? tag->value:"und"); |
ee78b0c2 |
} else if (tag && tag->value) {
put_ebml_string(pb, MATROSKA_ID_TRACKLANGUAGE, tag->value);
} |
f622c4f4 |
|
b75a1f98 |
// The default value for TRACKFLAGDEFAULT is 1, so add element
// if we need to clear it. |
ee78b0c2 |
if (default_stream_exists && !(st->disposition & AV_DISPOSITION_DEFAULT)) |
b75a1f98 |
put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGDEFAULT, !!(st->disposition & AV_DISPOSITION_DEFAULT)); |
f622c4f4 |
|
ee78b0c2 |
if (st->disposition & AV_DISPOSITION_FORCED)
put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGFORCED, 1);
|
6f69f7a8 |
if (mkv->mode == MODE_WEBM && par->codec_id == AV_CODEC_ID_WEBVTT) { |
ee78b0c2 |
const char *codec_id;
if (st->disposition & AV_DISPOSITION_CAPTIONS) {
codec_id = "D_WEBVTT/CAPTIONS";
native_id = MATROSKA_TRACK_TYPE_SUBTITLE;
} else if (st->disposition & AV_DISPOSITION_DESCRIPTIONS) {
codec_id = "D_WEBVTT/DESCRIPTIONS";
native_id = MATROSKA_TRACK_TYPE_METADATA;
} else if (st->disposition & AV_DISPOSITION_METADATA) {
codec_id = "D_WEBVTT/METADATA";
native_id = MATROSKA_TRACK_TYPE_METADATA; |
509642b4 |
} else { |
ee78b0c2 |
codec_id = "D_WEBVTT/SUBTITLES";
native_id = MATROSKA_TRACK_TYPE_SUBTITLE;
}
put_ebml_string(pb, MATROSKA_ID_CODECID, codec_id);
} else {
// look for a codec ID string specific to mkv to use,
// if none are found, use AVI codes |
c723108e |
if (par->codec_id != AV_CODEC_ID_RAWVIDEO || par->codec_tag) { |
93540492 |
for (j = 0; ff_mkv_codec_tags[j].id != AV_CODEC_ID_NONE; j++) { |
9ae762da |
if (ff_mkv_codec_tags[j].id == par->codec_id && par->codec_id != AV_CODEC_ID_FFV1) { |
93540492 |
put_ebml_string(pb, MATROSKA_ID_CODECID, ff_mkv_codec_tags[j].str);
native_id = 1;
break;
} |
f622c4f4 |
} |
c723108e |
} else { |
7d60baa8 |
if (mkv->allow_raw_vfw) {
native_id = 0;
} else {
av_log(s, AV_LOG_ERROR, "Raw RGB is not supported Natively in Matroska, you can use AVI or NUT or\n"
"If you would like to store it anyway using VFW mode, enable allow_raw_vfw (-allow_raw_vfw 1)\n");
return AVERROR(EINVAL);
}
} |
ee78b0c2 |
} |
f622c4f4 |
|
6f69f7a8 |
if (par->codec_type == AVMEDIA_TYPE_AUDIO && par->initial_padding && par->codec_id == AV_CODEC_ID_OPUS) {
int64_t codecdelay = av_rescale_q(par->initial_padding, |
c3c22bee |
(AVRational){ 1, 48000 }, |
e6971db1 |
(AVRational){ 1, 1000000000 });
if (codecdelay < 0) {
av_log(s, AV_LOG_ERROR, "Initial padding is invalid\n");
return AVERROR(EINVAL);
} |
6f69f7a8 |
// mkv->tracks[i].ts_offset = av_rescale_q(par->initial_padding,
// (AVRational){ 1, par->sample_rate }, |
ee78b0c2 |
// st->time_base); |
a1aa37dd |
|
e6971db1 |
put_ebml_uint(pb, MATROSKA_ID_CODECDELAY, codecdelay); |
b75a1f98 |
} |
6f69f7a8 |
if (par->codec_id == AV_CODEC_ID_OPUS) { |
ee78b0c2 |
put_ebml_uint(pb, MATROSKA_ID_SEEKPREROLL, OPUS_SEEK_PREROLL); |
b75a1f98 |
} |
571efd97 |
|
9200514a |
if (mkv->mode == MODE_WEBM && !(par->codec_id == AV_CODEC_ID_VP8 ||
par->codec_id == AV_CODEC_ID_VP9 ||
par->codec_id == AV_CODEC_ID_OPUS || |
6f69f7a8 |
par->codec_id == AV_CODEC_ID_VORBIS ||
par->codec_id == AV_CODEC_ID_WEBVTT)) { |
b75a1f98 |
av_log(s, AV_LOG_ERROR, |
ee78b0c2 |
"Only VP8 or VP9 video and Vorbis or Opus audio and WebVTT subtitles are supported for WebM.\n"); |
b75a1f98 |
return AVERROR(EINVAL);
} |
a1aa37dd |
|
9200514a |
switch (par->codec_type) { |
b75a1f98 |
case AVMEDIA_TYPE_VIDEO: |
71852a1b |
mkv->have_video = 1; |
b75a1f98 |
put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO); |
ee78b0c2 |
if( st->avg_frame_rate.num > 0 && st->avg_frame_rate.den > 0 |
6f69f7a8 |
&& av_cmp_q(av_inv_q(st->avg_frame_rate), st->time_base) > 0) |
cf86fd00 |
put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, 1000000000LL * st->avg_frame_rate.den / st->avg_frame_rate.num); |
ee78b0c2 |
else |
6f69f7a8 |
put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, 1000000000LL * st->time_base.num / st->time_base.den); |
b75a1f98 |
if (!native_id && |
9200514a |
ff_codec_get_tag(ff_codec_movvideo_tags, par->codec_id) && |
6f69f7a8 |
((!ff_codec_get_tag(ff_codec_bmp_tags, par->codec_id) && par->codec_id != AV_CODEC_ID_RAWVIDEO) || |
9200514a |
par->codec_id == AV_CODEC_ID_SVQ1 ||
par->codec_id == AV_CODEC_ID_SVQ3 ||
par->codec_id == AV_CODEC_ID_CINEPAK)) |
b75a1f98 |
qt_id = 1;
if (qt_id)
put_ebml_string(pb, MATROSKA_ID_CODECID, "V_QUICKTIME");
else if (!native_id) {
// if there is no mkv-specific codec ID, use VFW mode
put_ebml_string(pb, MATROSKA_ID_CODECID, "V_MS/VFW/FOURCC");
mkv->tracks[i].write_dts = 1; |
9d4fdfe2 |
s->internal->avoid_negative_ts_use_pts = 0; |
316d6c15 |
}
|
b75a1f98 |
subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKVIDEO, 0); |
e3453fd4 |
|
9200514a |
put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELWIDTH , par->width);
put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELHEIGHT, par->height); |
c301d5ae |
|
3cc9d6d3 |
mkv_write_field_order(pb, mkv->mode, par->field_order); |
e3453fd4 |
|
4d686fb7 |
// check both side data and metadata for stereo information,
// write the result to the bitstream if any is found |
f769671f |
ret = mkv_write_stereo_mode(s, pb, st, mkv->mode,
&display_width_div,
&display_height_div); |
4d686fb7 |
if (ret < 0)
return ret;
|
c2c4cee8 |
if (((tag = av_dict_get(st->metadata, "alpha_mode", NULL, 0)) && atoi(tag->value)) ||
((tag = av_dict_get( s->metadata, "alpha_mode", NULL, 0)) && atoi(tag->value)) || |
6f69f7a8 |
(par->format == AV_PIX_FMT_YUVA420P)) { |
ee78b0c2 |
put_ebml_uint(pb, MATROSKA_ID_VIDEOALPHAMODE, 1); |
b75a1f98 |
} |
509642b4 |
|
f769671f |
// write DisplayWidth and DisplayHeight, they contain the size of
// a single source view and/or the display aspect ratio |
b75a1f98 |
if (st->sample_aspect_ratio.num) { |
6f69f7a8 |
int64_t d_width = av_rescale(par->width, st->sample_aspect_ratio.num, st->sample_aspect_ratio.den); |
ee78b0c2 |
if (d_width > INT_MAX) {
av_log(s, AV_LOG_ERROR, "Overflow in display width\n");
return AVERROR(EINVAL); |
f1f6156b |
} |
cc71fa31 |
if (d_width != par->width || display_width_div != 1 || display_height_div != 1) { |
5cb57131 |
if (mkv->mode == MODE_WEBM || display_width_div != 1 || display_height_div != 1) {
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width / display_width_div);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, par->height / display_height_div);
} else {
AVRational display_aspect_ratio;
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
par->width * (int64_t)st->sample_aspect_ratio.num,
par->height * (int64_t)st->sample_aspect_ratio.den,
1024 * 1024);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH, display_aspect_ratio.num);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, display_aspect_ratio.den);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYUNIT, MATROSKA_VIDEO_DISPLAYUNIT_DAR);
} |
cc71fa31 |
} |
ee78b0c2 |
} else if (display_width_div != 1 || display_height_div != 1) { |
6f69f7a8 |
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , par->width / display_width_div);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, par->height / display_height_div); |
1ad60e4e |
} else if (mkv->mode != MODE_WEBM) |
90826031 |
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYUNIT, MATROSKA_VIDEO_DISPLAYUNIT_UNKNOWN); |
509642b4 |
|
6f69f7a8 |
if (par->codec_id == AV_CODEC_ID_RAWVIDEO) {
uint32_t color_space = av_le2ne32(par->codec_tag); |
ee78b0c2 |
put_ebml_binary(pb, MATROSKA_ID_VIDEOCOLORSPACE, &color_space, sizeof(color_space)); |
509642b4 |
} |
e7dec52d |
ret = mkv_write_video_color(pb, par, st);
if (ret < 0)
return ret; |
58eb0f57 |
ret = mkv_write_video_projection(s, pb, st);
if (ret < 0)
return ret; |
b75a1f98 |
end_ebml_master(pb, subinfo);
break;
case AVMEDIA_TYPE_AUDIO:
put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_AUDIO);
if (!native_id)
// no mkv-specific ID, use ACM mode
put_ebml_string(pb, MATROSKA_ID_CODECID, "A_MS/ACM");
subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKAUDIO, 0); |
9200514a |
put_ebml_uint (pb, MATROSKA_ID_AUDIOCHANNELS , par->channels); |
7631f14b |
mkv->tracks[i].sample_rate_offset = avio_tell(pb); |
b75a1f98 |
put_ebml_float (pb, MATROSKA_ID_AUDIOSAMPLINGFREQ, sample_rate);
if (output_sample_rate)
put_ebml_float(pb, MATROSKA_ID_AUDIOOUTSAMPLINGFREQ, output_sample_rate);
if (bit_depth)
put_ebml_uint(pb, MATROSKA_ID_AUDIOBITDEPTH, bit_depth);
end_ebml_master(pb, subinfo);
break;
case AVMEDIA_TYPE_SUBTITLE:
if (!native_id) { |
9200514a |
av_log(s, AV_LOG_ERROR, "Subtitle codec %d is not supported.\n", par->codec_id); |
b75a1f98 |
return AVERROR(ENOSYS);
} |
ee78b0c2 |
|
6f69f7a8 |
if (mkv->mode != MODE_WEBM || par->codec_id != AV_CODEC_ID_WEBVTT) |
ee78b0c2 |
native_id = MATROSKA_TRACK_TYPE_SUBTITLE;
put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, native_id); |
b75a1f98 |
break;
default:
av_log(s, AV_LOG_ERROR, "Only audio, video, and subtitles are supported for Matroska.\n"); |
ee78b0c2 |
return AVERROR(EINVAL);
}
|
6f69f7a8 |
if (mkv->mode != MODE_WEBM || par->codec_id != AV_CODEC_ID_WEBVTT) { |
8c1342e6 |
mkv->tracks[i].codecpriv_offset = avio_tell(pb); |
6f69f7a8 |
ret = mkv_write_codecprivate(s, pb, par, native_id, qt_id); |
ee78b0c2 |
if (ret < 0)
return ret; |
b75a1f98 |
} |
316d6c15 |
|
b75a1f98 |
end_ebml_master(pb, track); |
c301d5ae |
|
b75a1f98 |
return 0;
} |
f1f6156b |
|
b75a1f98 |
static int mkv_write_tracks(AVFormatContext *s)
{
MatroskaMuxContext *mkv = s->priv_data; |
ee888cfb |
AVIOContext *pb = s->pb; |
ee78b0c2 |
int i, ret, default_stream_exists = 0; |
5c559894 |
|
b75a1f98 |
ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_TRACKS, avio_tell(pb));
if (ret < 0)
return ret;
|
ee888cfb |
ret = start_ebml_master_crc32(pb, &mkv->tracks_bc, mkv, &mkv->tracks_master, MATROSKA_ID_TRACKS, 0); |
87ce2595 |
if (ret < 0)
return ret;
|
b75a1f98 |
for (i = 0; i < s->nb_streams; i++) { |
ee78b0c2 |
AVStream *st = s->streams[i];
default_stream_exists |= st->disposition & AV_DISPOSITION_DEFAULT;
}
for (i = 0; i < s->nb_streams; i++) { |
ee888cfb |
ret = mkv_write_track(s, mkv, i, mkv->tracks_bc, default_stream_exists); |
f1f6156b |
if (ret < 0)
return ret; |
67143c0f |
} |
ee888cfb |
|
4de591e6 |
if ((pb->seekable & AVIO_SEEKABLE_NORMAL) && !mkv->is_live) |
20e8be0c |
end_ebml_master_crc32_preliminary(pb, &mkv->tracks_bc, mkv, mkv->tracks_master); |
ee888cfb |
else
end_ebml_master_crc32(pb, &mkv->tracks_bc, mkv, mkv->tracks_master);
|
801edb42 |
return 0; |
5034ab90 |
}
|
2bd0758e |
static int mkv_write_chapters(AVFormatContext *s)
{
MatroskaMuxContext *mkv = s->priv_data; |
eccefece |
AVIOContext *dyn_cp, *pb = s->pb; |
2bd0758e |
ebml_master chapters, editionentry;
AVRational scale = {1, 1E9};
int i, ret;
|
26b241c0 |
if (!s->nb_chapters || mkv->wrote_chapters) |
2bd0758e |
return 0;
|
a2704c97 |
ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_CHAPTERS, avio_tell(pb)); |
2bd0758e |
if (ret < 0) return ret;
|
eabbc647 |
ret = start_ebml_master_crc32(pb, &dyn_cp, mkv, &chapters, MATROSKA_ID_CHAPTERS, 0); |
eccefece |
if (ret < 0) return ret;
editionentry = start_ebml_master(dyn_cp, MATROSKA_ID_EDITIONENTRY, 0); |
2ba896fe |
if (mkv->mode != MODE_WEBM) {
put_ebml_uint(dyn_cp, MATROSKA_ID_EDITIONFLAGDEFAULT, 1);
put_ebml_uint(dyn_cp, MATROSKA_ID_EDITIONFLAGHIDDEN , 0);
} |
2bd0758e |
for (i = 0; i < s->nb_chapters; i++) {
ebml_master chapteratom, chapterdisplay;
AVChapter *c = s->chapters[i]; |
a4cd057b |
int64_t chapterstart = av_rescale_q(c->start, c->time_base, scale);
int64_t chapterend = av_rescale_q(c->end, c->time_base, scale); |
d2d67e42 |
AVDictionaryEntry *t = NULL; |
9f25a109 |
if (chapterstart < 0 || chapterstart > chapterend || chapterend < 0) { |
9272c965 |
av_log(s, AV_LOG_ERROR,
"Invalid chapter start (%"PRId64") or end (%"PRId64").\n", |
9f25a109 |
chapterstart, chapterend); |
5dc47a2b |
return AVERROR_INVALIDDATA; |
9f25a109 |
} |
2bd0758e |
|
eccefece |
chapteratom = start_ebml_master(dyn_cp, MATROSKA_ID_CHAPTERATOM, 0);
put_ebml_uint(dyn_cp, MATROSKA_ID_CHAPTERUID, c->id + mkv->chapter_id_offset);
put_ebml_uint(dyn_cp, MATROSKA_ID_CHAPTERTIMESTART, chapterstart);
put_ebml_uint(dyn_cp, MATROSKA_ID_CHAPTERTIMEEND, chapterend); |
2ba896fe |
if (mkv->mode != MODE_WEBM) {
put_ebml_uint(dyn_cp, MATROSKA_ID_CHAPTERFLAGHIDDEN , 0);
put_ebml_uint(dyn_cp, MATROSKA_ID_CHAPTERFLAGENABLED, 1);
} |
d2d67e42 |
if ((t = av_dict_get(c->metadata, "title", NULL, 0))) { |
eccefece |
chapterdisplay = start_ebml_master(dyn_cp, MATROSKA_ID_CHAPTERDISPLAY, 0);
put_ebml_string(dyn_cp, MATROSKA_ID_CHAPSTRING, t->value);
put_ebml_string(dyn_cp, MATROSKA_ID_CHAPLANG , "und");
end_ebml_master(dyn_cp, chapterdisplay); |
2bd0758e |
} |
eccefece |
end_ebml_master(dyn_cp, chapteratom); |
2bd0758e |
} |
eccefece |
end_ebml_master(dyn_cp, editionentry);
end_ebml_master_crc32(pb, &dyn_cp, mkv, chapters); |
26b241c0 |
mkv->wrote_chapters = 1; |
2bd0758e |
return 0;
}
|
b1306823 |
static int mkv_write_simpletag(AVIOContext *pb, AVDictionaryEntry *t) |
9b75309c |
{
uint8_t *key = av_strdup(t->key);
uint8_t *p = key;
const uint8_t *lang = NULL;
ebml_master tag;
|
b1306823 |
if (!key)
return AVERROR(ENOMEM);
|
9b75309c |
if ((p = strrchr(p, '-')) && |
1582e306 |
(lang = ff_convert_lang_to(p + 1, AV_LANG_ISO639_2_BIBL))) |
9b75309c |
*p = 0;
p = key;
while (*p) {
if (*p == ' ')
*p = '_';
else if (*p >= 'a' && *p <= 'z')
*p -= 'a' - 'A';
p++;
}
tag = start_ebml_master(pb, MATROSKA_ID_SIMPLETAG, 0);
put_ebml_string(pb, MATROSKA_ID_TAGNAME, key);
if (lang)
put_ebml_string(pb, MATROSKA_ID_TAGLANG, lang);
put_ebml_string(pb, MATROSKA_ID_TAGSTRING, t->value);
end_ebml_master(pb, tag);
av_freep(&key); |
b1306823 |
return 0; |
9b75309c |
}
|
31852540 |
static int mkv_write_tag_targets(AVFormatContext *s,
unsigned int elementid, unsigned int uid,
ebml_master *tags, ebml_master* tag) |
9b75309c |
{ |
650e17d8 |
AVIOContext *pb; |
9b75309c |
MatroskaMuxContext *mkv = s->priv_data; |
31852540 |
ebml_master targets; |
9b75309c |
int ret;
if (!tags->pos) { |
a2704c97 |
ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_TAGS, avio_tell(s->pb)); |
9b75309c |
if (ret < 0) return ret;
|
eabbc647 |
start_ebml_master_crc32(s->pb, &mkv->tags_bc, mkv, tags, MATROSKA_ID_TAGS, 0); |
9b75309c |
} |
650e17d8 |
pb = mkv->tags_bc; |
9b75309c |
|
650e17d8 |
*tag = start_ebml_master(pb, MATROSKA_ID_TAG, 0);
targets = start_ebml_master(pb, MATROSKA_ID_TAGTARGETS, 0); |
9b75309c |
if (elementid) |
650e17d8 |
put_ebml_uint(pb, elementid, uid);
end_ebml_master(pb, targets); |
31852540 |
return 0;
}
|
6ede4e93 |
static int mkv_check_tag_name(const char *name, unsigned int elementid)
{
return av_strcasecmp(name, "title") &&
av_strcasecmp(name, "stereo_mode") &&
av_strcasecmp(name, "creation_time") &&
av_strcasecmp(name, "encoding_tool") && |
3829a027 |
av_strcasecmp(name, "duration") && |
6ede4e93 |
(elementid != MATROSKA_ID_TAGTARGETS_TRACKUID || |
c44eae15 |
av_strcasecmp(name, "language")) &&
(elementid != MATROSKA_ID_TAGTARGETS_ATTACHUID ||
(av_strcasecmp(name, "filename") &&
av_strcasecmp(name, "mimetype"))); |
6ede4e93 |
}
|
31852540 |
static int mkv_write_tag(AVFormatContext *s, AVDictionary *m, unsigned int elementid,
unsigned int uid, ebml_master *tags)
{ |
650e17d8 |
MatroskaMuxContext *mkv = s->priv_data; |
31852540 |
ebml_master tag;
int ret;
AVDictionaryEntry *t = NULL;
ret = mkv_write_tag_targets(s, elementid, uid, tags, &tag);
if (ret < 0)
return ret; |
9b75309c |
|
b1306823 |
while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX))) { |
6ede4e93 |
if (mkv_check_tag_name(t->key, elementid)) { |
650e17d8 |
ret = mkv_write_simpletag(mkv->tags_bc, t); |
b1306823 |
if (ret < 0)
return ret;
}
} |
9b75309c |
|
650e17d8 |
end_ebml_master(mkv->tags_bc, tag); |
9b75309c |
return 0;
}
|
843e72ea |
static int mkv_check_tag(AVDictionary *m, unsigned int elementid) |
088ed531 |
{
AVDictionaryEntry *t = NULL;
while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX))) |
843e72ea |
if (mkv_check_tag_name(t->key, elementid)) |
066111bf |
return 1; |
088ed531 |
|
066111bf |
return 0; |
088ed531 |
}
|
9b75309c |
static int mkv_write_tags(AVFormatContext *s)
{ |
07704c61 |
MatroskaMuxContext *mkv = s->priv_data; |
9b75309c |
int i, ret;
|
03700d39 |
ff_metadata_conv_ctx(s, ff_mkv_metadata_conv, NULL);
|
843e72ea |
if (mkv_check_tag(s->metadata, 0)) { |
650e17d8 |
ret = mkv_write_tag(s, s->metadata, 0, 0, &mkv->tags); |
9b75309c |
if (ret < 0) return ret;
}
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
|
c44eae15 |
if (st->codecpar->codec_type == AVMEDIA_TYPE_ATTACHMENT)
continue;
|
843e72ea |
if (!mkv_check_tag(st->metadata, MATROSKA_ID_TAGTARGETS_TRACKUID)) |
9b75309c |
continue;
|
650e17d8 |
ret = mkv_write_tag(s, st->metadata, MATROSKA_ID_TAGTARGETS_TRACKUID, i + 1, &mkv->tags); |
9b75309c |
if (ret < 0) return ret;
}
|
4de591e6 |
if ((s->pb->seekable & AVIO_SEEKABLE_NORMAL) && !mkv->is_live) { |
31852540 |
for (i = 0; i < s->nb_streams; i++) { |
650e17d8 |
AVIOContext *pb; |
c44eae15 |
AVStream *st = s->streams[i]; |
31852540 |
ebml_master tag_target;
ebml_master tag;
|
c44eae15 |
if (st->codecpar->codec_type == AVMEDIA_TYPE_ATTACHMENT)
continue;
|
650e17d8 |
mkv_write_tag_targets(s, MATROSKA_ID_TAGTARGETS_TRACKUID, i + 1, &mkv->tags, &tag_target);
pb = mkv->tags_bc; |
31852540 |
|
650e17d8 |
tag = start_ebml_master(pb, MATROSKA_ID_SIMPLETAG, 0);
put_ebml_string(pb, MATROSKA_ID_TAGNAME, "DURATION");
mkv->stream_duration_offsets[i] = avio_tell(pb); |
31852540 |
// Reserve space to write duration as a 20-byte string.
// 2 (ebml id) + 1 (data size) + 20 (data) |
650e17d8 |
put_ebml_void(pb, 23);
end_ebml_master(pb, tag);
end_ebml_master(pb, tag_target); |
31852540 |
}
}
|
27b7800b |
if (mkv->mode != MODE_WEBM) {
for (i = 0; i < s->nb_chapters; i++) {
AVChapter *ch = s->chapters[i]; |
9b75309c |
|
27b7800b |
if (!mkv_check_tag(ch->metadata, MATROSKA_ID_TAGTARGETS_CHAPTERUID))
continue; |
9b75309c |
|
27b7800b |
ret = mkv_write_tag(s, ch->metadata, MATROSKA_ID_TAGTARGETS_CHAPTERUID, ch->id + mkv->chapter_id_offset, &mkv->tags);
if (ret < 0)
return ret;
} |
9b75309c |
}
|
27b7800b |
if (mkv->have_attachments && mkv->mode != MODE_WEBM) { |
c44eae15 |
for (i = 0; i < mkv->attachments->num_entries; i++) {
mkv_attachment *attachment = &mkv->attachments->entries[i];
AVStream *st = s->streams[attachment->stream_idx];
if (!mkv_check_tag(st->metadata, MATROSKA_ID_TAGTARGETS_ATTACHUID))
continue;
ret = mkv_write_tag(s, st->metadata, MATROSKA_ID_TAGTARGETS_ATTACHUID, attachment->fileuid, &mkv->tags);
if (ret < 0)
return ret;
}
}
|
650e17d8 |
if (mkv->tags.pos) { |
4de591e6 |
if ((s->pb->seekable & AVIO_SEEKABLE_NORMAL) && !mkv->is_live) |
20e8be0c |
end_ebml_master_crc32_preliminary(s->pb, &mkv->tags_bc, mkv, mkv->tags); |
650e17d8 |
else
end_ebml_master_crc32(s->pb, &mkv->tags_bc, mkv, mkv->tags);
} |
9b75309c |
return 0;
}
|
c7a63a52 |
static int mkv_write_attachments(AVFormatContext *s)
{
MatroskaMuxContext *mkv = s->priv_data; |
4687240d |
AVIOContext *dyn_cp, *pb = s->pb; |
c7a63a52 |
ebml_master attachments;
AVLFG c;
int i, ret;
if (!mkv->have_attachments)
return 0;
|
c44eae15 |
mkv->attachments = av_mallocz(sizeof(*mkv->attachments));
if (!mkv->attachments) |
be28ce21 |
return AVERROR(ENOMEM); |
c44eae15 |
|
c7a63a52 |
av_lfg_init(&c, av_get_random_seed());
ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_ATTACHMENTS, avio_tell(pb));
if (ret < 0) return ret;
|
eabbc647 |
ret = start_ebml_master_crc32(pb, &dyn_cp, mkv, &attachments, MATROSKA_ID_ATTACHMENTS, 0); |
4687240d |
if (ret < 0) return ret; |
c7a63a52 |
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
ebml_master attached_file; |
c44eae15 |
mkv_attachment *attachment = mkv->attachments->entries; |
c7a63a52 |
AVDictionaryEntry *t;
const char *mimetype = NULL; |
c44eae15 |
uint32_t fileuid; |
c7a63a52 |
|
9200514a |
if (st->codecpar->codec_type != AVMEDIA_TYPE_ATTACHMENT) |
c7a63a52 |
continue;
|
c44eae15 |
attachment = av_realloc_array(attachment, mkv->attachments->num_entries + 1, sizeof(mkv_attachment));
if (!attachment)
return AVERROR(ENOMEM);
mkv->attachments->entries = attachment;
|
4687240d |
attached_file = start_ebml_master(dyn_cp, MATROSKA_ID_ATTACHEDFILE, 0); |
c7a63a52 |
if (t = av_dict_get(st->metadata, "title", NULL, 0)) |
4687240d |
put_ebml_string(dyn_cp, MATROSKA_ID_FILEDESC, t->value); |
c7a63a52 |
if (!(t = av_dict_get(st->metadata, "filename", NULL, 0))) {
av_log(s, AV_LOG_ERROR, "Attachment stream %d has no filename tag.\n", i);
return AVERROR(EINVAL);
} |
4687240d |
put_ebml_string(dyn_cp, MATROSKA_ID_FILENAME, t->value); |
c7a63a52 |
if (t = av_dict_get(st->metadata, "mimetype", NULL, 0))
mimetype = t->value; |
9200514a |
else if (st->codecpar->codec_id != AV_CODEC_ID_NONE ) { |
c7a63a52 |
int i; |
36ef5369 |
for (i = 0; ff_mkv_mime_tags[i].id != AV_CODEC_ID_NONE; i++) |
9200514a |
if (ff_mkv_mime_tags[i].id == st->codecpar->codec_id) { |
c7a63a52 |
mimetype = ff_mkv_mime_tags[i].str;
break;
} |
511585ce |
for (i = 0; ff_mkv_image_mime_tags[i].id != AV_CODEC_ID_NONE; i++) |
9200514a |
if (ff_mkv_image_mime_tags[i].id == st->codecpar->codec_id) { |
511585ce |
mimetype = ff_mkv_image_mime_tags[i].str;
break;
} |
c7a63a52 |
}
if (!mimetype) {
av_log(s, AV_LOG_ERROR, "Attachment stream %d has no mimetype tag and "
"it cannot be deduced from the codec id.\n", i);
return AVERROR(EINVAL);
}
|
0421409c |
if (s->flags & AVFMT_FLAG_BITEXACT) { |
8dbbaf56 |
struct AVSHA *sha = av_sha_alloc();
uint8_t digest[20];
if (!sha)
return AVERROR(ENOMEM);
av_sha_init(sha, 160); |
6f69f7a8 |
av_sha_update(sha, st->codecpar->extradata, st->codecpar->extradata_size); |
8dbbaf56 |
av_sha_final(sha, digest);
av_free(sha); |
c44eae15 |
fileuid = AV_RL32(digest); |
8dbbaf56 |
} else {
fileuid = av_lfg_get(&c);
} |
c44eae15 |
av_log(s, AV_LOG_VERBOSE, "Using %.8"PRIx32" for attachment %d\n",
fileuid, mkv->attachments->num_entries); |
8dbbaf56 |
|
4687240d |
put_ebml_string(dyn_cp, MATROSKA_ID_FILEMIMETYPE, mimetype);
put_ebml_binary(dyn_cp, MATROSKA_ID_FILEDATA, st->codecpar->extradata, st->codecpar->extradata_size);
put_ebml_uint(dyn_cp, MATROSKA_ID_FILEUID, fileuid);
end_ebml_master(dyn_cp, attached_file); |
c44eae15 |
mkv->attachments->entries[mkv->attachments->num_entries].stream_idx = i;
mkv->attachments->entries[mkv->attachments->num_entries++].fileuid = fileuid; |
c7a63a52 |
} |
4687240d |
end_ebml_master_crc32(pb, &dyn_cp, mkv, attachments); |
c7a63a52 |
return 0;
}
|
70c1647a |
static int64_t get_metadata_duration(AVFormatContext *s)
{
int i = 0;
int64_t max = 0;
int64_t us;
AVDictionaryEntry *explicitDuration = av_dict_get(s->metadata, "DURATION", NULL, 0);
if (explicitDuration && (av_parse_time(&us, explicitDuration->value, 1) == 0) && us > 0) {
av_log(s, AV_LOG_DEBUG, "get_metadata_duration found duration in context metadata: %" PRId64 "\n", us);
return us;
}
for (i = 0; i < s->nb_streams; i++) {
int64_t us;
AVDictionaryEntry *duration = av_dict_get(s->streams[i]->metadata, "DURATION", NULL, 0);
if (duration && (av_parse_time(&us, duration->value, 1) == 0))
max = FFMAX(max, us);
}
av_log(s, AV_LOG_DEBUG, "get_metadata_duration returned: %" PRId64 "\n", max);
return max;
}
|
5034ab90 |
static int mkv_write_header(AVFormatContext *s)
{
MatroskaMuxContext *mkv = s->priv_data; |
ae628ec1 |
AVIOContext *pb = s->pb; |
3bcadf82 |
ebml_master ebml_header; |
d2d67e42 |
AVDictionaryEntry *tag; |
ab21acec |
int ret, i, version = 2; |
66e85a18 |
int64_t creation_time; |
5034ab90 |
|
f1f6156b |
if (!strcmp(s->oformat->name, "webm"))
mkv->mode = MODE_WEBM;
else
mkv->mode = MODE_MATROSKAv2; |
316d6c15 |
|
ab21acec |
if (mkv->mode != MODE_WEBM ||
av_dict_get(s->metadata, "stereo_mode", NULL, 0) ||
av_dict_get(s->metadata, "alpha_mode", NULL, 0))
version = 4;
for (i = 0; i < s->nb_streams; i++) { |
6f69f7a8 |
if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_OPUS || |
ab21acec |
av_dict_get(s->streams[i]->metadata, "stereo_mode", NULL, 0) ||
av_dict_get(s->streams[i]->metadata, "alpha_mode", NULL, 0))
version = 4;
} |
f02f231e |
|
f6d17d2a |
mkv->tracks = av_mallocz_array(s->nb_streams, sizeof(*mkv->tracks)); |
3dabebc2 |
if (!mkv->tracks) {
ret = AVERROR(ENOMEM);
goto fail;
} |
baf71dca |
ebml_header = start_ebml_master(pb, EBML_ID_HEADER, 0); |
5034ab90 |
put_ebml_uint (pb, EBML_ID_EBMLVERSION , 1);
put_ebml_uint (pb, EBML_ID_EBMLREADVERSION , 1);
put_ebml_uint (pb, EBML_ID_EBMLMAXIDLENGTH , 4);
put_ebml_uint (pb, EBML_ID_EBMLMAXSIZELENGTH , 8); |
316d6c15 |
put_ebml_string (pb, EBML_ID_DOCTYPE , s->oformat->name); |
ab21acec |
put_ebml_uint (pb, EBML_ID_DOCTYPEVERSION , version); |
5034ab90 |
put_ebml_uint (pb, EBML_ID_DOCTYPEREADVERSION , 2);
end_ebml_master(pb, ebml_header);
|
baf71dca |
mkv->segment = start_ebml_master(pb, MATROSKA_ID_SEGMENT, 0); |
a2704c97 |
mkv->segment_offset = avio_tell(pb); |
967d815a |
|
cfde5d18 |
// we write 2 seek heads - one at the end of the file to point to each
// cluster, and one at the beginning to point to all other level one
// elements (including the seek head at the end of the file), which
// isn't more than 10 elements if we only write one of each other
// currently defined level 1 element |
967d815a |
mkv->main_seekhead = mkv_start_seekhead(pb, mkv->segment_offset, 10); |
3dabebc2 |
if (!mkv->main_seekhead) {
ret = AVERROR(ENOMEM);
goto fail;
} |
967d815a |
|
a2704c97 |
ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_INFO, avio_tell(pb)); |
3dabebc2 |
if (ret < 0) goto fail; |
5034ab90 |
|
eabbc647 |
ret = start_ebml_master_crc32(pb, &mkv->info_bc, mkv, &mkv->info, MATROSKA_ID_INFO, 0); |
3bcadf82 |
if (ret < 0)
return ret;
pb = mkv->info_bc;
|
5034ab90 |
put_ebml_uint(pb, MATROSKA_ID_TIMECODESCALE, 1000000); |
d2d67e42 |
if ((tag = av_dict_get(s->metadata, "title", NULL, 0))) |
5e565998 |
put_ebml_string(pb, MATROSKA_ID_TITLE, tag->value); |
0c1959b0 |
if (!(s->flags & AVFMT_FLAG_BITEXACT)) { |
f1f6156b |
put_ebml_string(pb, MATROSKA_ID_MUXINGAPP, LIBAVFORMAT_IDENT); |
0092c1dd |
if ((tag = av_dict_get(s->metadata, "encoding_tool", NULL, 0)))
put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, tag->value);
else
put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, LIBAVFORMAT_IDENT); |
be04c4aa |
if (mkv->mode != MODE_WEBM) {
uint32_t segment_uid[4];
AVLFG lfg;
av_lfg_init(&lfg, av_get_random_seed());
for (i = 0; i < 4; i++)
segment_uid[i] = av_lfg_get(&lfg);
put_ebml_binary(pb, MATROSKA_ID_SEGMENTUID, segment_uid, 16);
} |
ea70e2f2 |
} else {
const char *ident = "Lavf";
put_ebml_string(pb, MATROSKA_ID_MUXINGAPP , ident);
put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, ident); |
5034ab90 |
} |
4b8f58ee |
|
66e85a18 |
if (ff_parse_creation_time_metadata(s, &creation_time, 0) > 0) { |
2e061130 |
// Adjust time so it's relative to 2001-01-01 and convert to nanoseconds. |
66e85a18 |
int64_t date_utc = (creation_time - 978307200000000LL) * 1000; |
2e061130 |
uint8_t date_utc_buf[8];
AV_WB64(date_utc_buf, date_utc);
put_ebml_binary(pb, MATROSKA_ID_DATEUTC, date_utc_buf, 8);
}
|
5034ab90 |
// reserve space for the duration
mkv->duration = 0; |
a2704c97 |
mkv->duration_offset = avio_tell(pb); |
6fd300ac |
if (!mkv->is_live) { |
70c1647a |
int64_t metadata_duration = get_metadata_duration(s);
if (s->duration > 0) {
int64_t scaledDuration = av_rescale(s->duration, 1000, AV_TIME_BASE);
put_ebml_float(pb, MATROSKA_ID_DURATION, scaledDuration);
av_log(s, AV_LOG_DEBUG, "Write early duration from recording time = %" PRIu64 "\n", scaledDuration);
} else if (metadata_duration > 0) {
int64_t scaledDuration = av_rescale(metadata_duration, 1000, AV_TIME_BASE);
put_ebml_float(pb, MATROSKA_ID_DURATION, scaledDuration);
av_log(s, AV_LOG_DEBUG, "Write early duration from metadata = %" PRIu64 "\n", scaledDuration);
} else {
put_ebml_void(pb, 11); // assumes double-precision float to be written
} |
6fd300ac |
} |
4de591e6 |
if ((s->pb->seekable & AVIO_SEEKABLE_NORMAL) && !mkv->is_live) |
20e8be0c |
end_ebml_master_crc32_preliminary(s->pb, &mkv->info_bc, mkv, mkv->info); |
3bcadf82 |
else
end_ebml_master_crc32(s->pb, &mkv->info_bc, mkv, mkv->info);
pb = s->pb; |
5034ab90 |
|
31852540 |
// initialize stream_duration fields
mkv->stream_durations = av_mallocz(s->nb_streams * sizeof(int64_t));
mkv->stream_duration_offsets = av_mallocz(s->nb_streams * sizeof(int64_t)); |
5f67073b |
if (!mkv->stream_durations || !mkv->stream_duration_offsets) {
ret = AVERROR(ENOMEM);
goto fail;
} |
31852540 |
|
6d588ecd |
ret = mkv_write_tracks(s); |
f1f6156b |
if (ret < 0) |
3dabebc2 |
goto fail; |
67143c0f |
|
07704c61 |
for (i = 0; i < s->nb_chapters; i++)
mkv->chapter_id_offset = FFMAX(mkv->chapter_id_offset, 1LL - s->chapters[i]->id);
|
2ba896fe |
ret = mkv_write_chapters(s);
if (ret < 0)
goto fail; |
9b75309c |
|
2ba896fe |
if (mkv->mode != MODE_WEBM) { |
c44eae15 |
ret = mkv_write_attachments(s); |
f1f6156b |
if (ret < 0) |
3dabebc2 |
goto fail; |
316d6c15 |
} |
2bd0758e |
|
27b7800b |
ret = mkv_write_tags(s);
if (ret < 0)
goto fail;
|
4de591e6 |
if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) && !mkv->is_live) |
3dabebc2 |
mkv_write_seekhead(pb, mkv); |
7a2a4840 |
|
6364d534 |
mkv->cues = mkv_start_cues(mkv->segment_offset); |
3dabebc2 |
if (!mkv->cues) {
ret = AVERROR(ENOMEM);
goto fail;
} |
83548fe8 |
if ((pb->seekable & AVIO_SEEKABLE_NORMAL) && mkv->reserve_cues_space) { |
e3b225a4 |
mkv->cues_pos = avio_tell(pb); |
d401ba6b |
if (mkv->reserve_cues_space == 1)
mkv->reserve_cues_space++; |
e3b225a4 |
put_ebml_void(pb, mkv->reserve_cues_space);
}
|
ac9baa71 |
av_init_packet(&mkv->cur_audio_pkt);
mkv->cur_audio_pkt.size = 0; |
bda5b662 |
mkv->cluster_pos = -1; |
ac9baa71 |
|
b7f2fdde |
avio_flush(pb); |
98308bd4 |
// start a new cluster every 5 MB or 5 sec, or 32k / 1 sec for streaming or
// after 4k and on a keyframe |
83548fe8 |
if (pb->seekable & AVIO_SEEKABLE_NORMAL) { |
98308bd4 |
if (mkv->cluster_time_limit < 0)
mkv->cluster_time_limit = 5000;
if (mkv->cluster_size_limit < 0)
mkv->cluster_size_limit = 5 * 1024 * 1024;
} else {
if (mkv->cluster_time_limit < 0)
mkv->cluster_time_limit = 1000;
if (mkv->cluster_size_limit < 0)
mkv->cluster_size_limit = 32 * 1024;
}
|
67143c0f |
return 0; |
3dabebc2 |
fail:
mkv_free(mkv);
return ret; |
67143c0f |
}
|
1bfbe8ff |
static int mkv_blockgroup_size(int pkt_size) |
baf71dca |
{ |
1bfbe8ff |
int size = pkt_size + 4; |
0f651e8c |
size += ebml_num_size(size); |
baf71dca |
size += 2; // EBML ID for block and block duration
size += 8; // max size of block duration |
0f651e8c |
size += ebml_num_size(size); |
baf71dca |
size += 1; // blockgroup EBML ID
return size;
}
|
01656fd4 |
static int mkv_strip_wavpack(const uint8_t *src, uint8_t **pdst, int *size)
{
uint8_t *dst;
int srclen = *size;
int offset = 0;
int ret;
dst = av_malloc(srclen);
if (!dst)
return AVERROR(ENOMEM);
while (srclen >= WV_HEADER_SIZE) {
WvHeader header;
ret = ff_wv_parse_header(&header, src);
if (ret < 0)
goto fail;
src += WV_HEADER_SIZE;
srclen -= WV_HEADER_SIZE;
if (srclen < header.blocksize) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
if (header.initial) {
AV_WL32(dst + offset, header.samples);
offset += 4;
}
AV_WL32(dst + offset, header.flags);
AV_WL32(dst + offset + 4, header.crc);
offset += 8;
if (!(header.initial && header.final)) {
AV_WL32(dst + offset, header.blocksize);
offset += 4;
}
memcpy(dst + offset, src, header.blocksize);
src += header.blocksize;
srclen -= header.blocksize;
offset += header.blocksize;
}
*pdst = dst;
*size = offset;
return 0;
fail:
av_freep(&dst);
return ret;
}
|
ae628ec1 |
static void mkv_write_block(AVFormatContext *s, AVIOContext *pb, |
7be0f48a |
unsigned int blockid, AVPacket *pkt, int keyframe) |
95527e06 |
{
MatroskaMuxContext *mkv = s->priv_data; |
9200514a |
AVCodecParameters *par = s->streams[pkt->stream_index]->codecpar; |
8ffcc826 |
uint8_t *data = NULL, *side_data = NULL;
int offset = 0, size = pkt->size, side_data_size = 0; |
84d4e599 |
int64_t ts = mkv->tracks[pkt->stream_index].write_dts ? pkt->dts : pkt->pts; |
f4b1ca99 |
uint64_t additional_id = 0;
int64_t discard_padding = 0; |
7be0f48a |
uint8_t track_number = (mkv->is_dash ? mkv->dash_track_number : (pkt->stream_index + 1)); |
2fb193b1 |
ebml_master block_group, block_additions, block_more; |
95527e06 |
|
5d3953a5 |
ts += mkv->tracks[pkt->stream_index].ts_offset; |
95527e06 |
|
8ffc5f9e |
av_log(s, AV_LOG_DEBUG, "Writing block at offset %" PRIu64 ", size %d, " |
b01891a9 |
"pts %" PRId64 ", dts %" PRId64 ", duration %" PRId64 ", keyframe %d\n", |
7be0f48a |
avio_tell(pb), pkt->size, pkt->pts, pkt->dts, pkt->duration,
keyframe != 0); |
9200514a |
if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 0 &&
(AV_RB24(par->extradata) == 1 || AV_RB32(par->extradata) == 1)) |
5f8bae8d |
ff_avc_parse_nal_units_buf(pkt->data, &data, &size); |
9200514a |
else if (par->codec_id == AV_CODEC_ID_HEVC && par->extradata_size > 6 &&
(AV_RB24(par->extradata) == 1 || AV_RB32(par->extradata) == 1)) |
558b20d7 |
/* extradata is Annex B, assume the bitstream is too and convert it */
ff_hevc_annexb2mp4_buf(pkt->data, &data, &size, 0, NULL); |
9200514a |
else if (par->codec_id == AV_CODEC_ID_WAVPACK) { |
01656fd4 |
int ret = mkv_strip_wavpack(pkt->data, &data, &size);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Error stripping a WavPack packet.\n");
return;
}
} else |
5f8bae8d |
data = pkt->data; |
117d8c6d |
|
6f69f7a8 |
if (par->codec_id == AV_CODEC_ID_PRORES && size >= 8) { |
117d8c6d |
/* Matroska specification requires to remove the first QuickTime atom
*/ |
f1f6156b |
size -= 8; |
117d8c6d |
offset = 8;
}
|
8ffcc826 |
side_data = av_packet_get_side_data(pkt, |
bb47aa58 |
AV_PKT_DATA_SKIP_SAMPLES,
&side_data_size);
if (side_data && side_data_size >= 10) {
discard_padding = av_rescale_q(AV_RL32(side_data + 4), |
6f69f7a8 |
(AVRational){1, par->sample_rate}, |
bb47aa58 |
(AVRational){1, 1000000000});
}
side_data = av_packet_get_side_data(pkt, |
8ffcc826 |
AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL,
&side_data_size);
if (side_data) {
additional_id = AV_RB64(side_data);
side_data += 8;
side_data_size -= 8;
}
|
bb47aa58 |
if ((side_data_size && additional_id == 1) || discard_padding) { |
8ffcc826 |
block_group = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP, 0); |
2fb193b1 |
blockid = MATROSKA_ID_BLOCK;
}
put_ebml_id(pb, blockid); |
f1f6156b |
put_ebml_num(pb, size + 4, 0); |
37cef8c7 |
// this assumes stream_index is less than 126 |
7be0f48a |
avio_w8(pb, 0x80 | track_number); |
2fb193b1 |
avio_wb16(pb, ts - mkv->cluster_pts); |
7be0f48a |
avio_w8(pb, (blockid == MATROSKA_ID_SIMPLEBLOCK && keyframe) ? (1 << 7) : 0); |
2fb193b1 |
avio_write(pb, data + offset, size);
if (data != pkt->data)
av_free(data);
|
7be0f48a |
if (blockid == MATROSKA_ID_BLOCK && !keyframe) {
put_ebml_sint(pb, MATROSKA_ID_BLOCKREFERENCE,
mkv->last_track_timestamp[track_number - 1]);
}
mkv->last_track_timestamp[track_number - 1] = ts - mkv->cluster_pts;
|
bb47aa58 |
if (discard_padding) { |
f4b1ca99 |
put_ebml_sint(pb, MATROSKA_ID_DISCARDPADDING, discard_padding); |
bb47aa58 |
}
|
2fb193b1 |
if (side_data_size && additional_id == 1) { |
8ffcc826 |
block_additions = start_ebml_master(pb, MATROSKA_ID_BLOCKADDITIONS, 0);
block_more = start_ebml_master(pb, MATROSKA_ID_BLOCKMORE, 0);
put_ebml_uint(pb, MATROSKA_ID_BLOCKADDID, 1);
put_ebml_id(pb, MATROSKA_ID_BLOCKADDITIONAL);
put_ebml_num(pb, side_data_size, 0);
avio_write(pb, side_data, side_data_size);
end_ebml_master(pb, block_more);
end_ebml_master(pb, block_additions); |
bb47aa58 |
}
if ((side_data_size && additional_id == 1) || discard_padding) { |
8ffcc826 |
end_ebml_master(pb, block_group);
} |
95527e06 |
}
|
509642b4 |
static int mkv_write_vtt_blocks(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt)
{
MatroskaMuxContext *mkv = s->priv_data;
ebml_master blockgroup;
int id_size, settings_size, size;
uint8_t *id, *settings;
int64_t ts = mkv->tracks[pkt->stream_index].write_dts ? pkt->dts : pkt->pts;
const int flags = 0;
id_size = 0;
id = av_packet_get_side_data(pkt, AV_PKT_DATA_WEBVTT_IDENTIFIER,
&id_size);
settings_size = 0;
settings = av_packet_get_side_data(pkt, AV_PKT_DATA_WEBVTT_SETTINGS,
&settings_size);
size = id_size + 1 + settings_size + 1 + pkt->size;
av_log(s, AV_LOG_DEBUG, "Writing block at offset %" PRIu64 ", size %d, " |
b01891a9 |
"pts %" PRId64 ", dts %" PRId64 ", duration %" PRId64 ", flags %d\n", |
509642b4 |
avio_tell(pb), size, pkt->pts, pkt->dts, pkt->duration, flags);
blockgroup = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP, mkv_blockgroup_size(size));
put_ebml_id(pb, MATROSKA_ID_BLOCK); |
8365287e |
put_ebml_num(pb, size + 4, 0); |
509642b4 |
avio_w8(pb, 0x80 | (pkt->stream_index + 1)); // this assumes stream_index is less than 126
avio_wb16(pb, ts - mkv->cluster_pts);
avio_w8(pb, flags);
avio_printf(pb, "%.*s\n%.*s\n%.*s", id_size, id, settings_size, settings, pkt->size, pkt->data);
put_ebml_uint(pb, MATROSKA_ID_BLOCKDURATION, pkt->duration);
end_ebml_master(pb, blockgroup);
return pkt->duration;
}
|
3c6e220a |
static void mkv_start_new_cluster(AVFormatContext *s, AVPacket *pkt)
{
MatroskaMuxContext *mkv = s->priv_data;
|
6724525a |
end_ebml_master_crc32(s->pb, &mkv->dyn_bc, mkv, mkv->cluster); |
4e3bdf72 |
mkv->cluster_pos = -1; |
4de591e6 |
if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) |
d41aeea8 |
av_log(s, AV_LOG_DEBUG,
"Starting new cluster at offset %" PRIu64 " bytes, "
"pts %" PRIu64 "dts %" PRIu64 "\n",
avio_tell(s->pb), pkt->pts, pkt->dts);
else
av_log(s, AV_LOG_DEBUG, "Starting new cluster, "
"pts %" PRIu64 "dts %" PRIu64 "\n",
pkt->pts, pkt->dts); |
3c6e220a |
avio_flush(s->pb);
}
|
8c1342e6 |
static int mkv_check_new_extra_data(AVFormatContext *s, AVPacket *pkt)
{
MatroskaMuxContext *mkv = s->priv_data;
mkv_track *track = &mkv->tracks[pkt->stream_index];
AVCodecParameters *par = s->streams[pkt->stream_index]->codecpar;
uint8_t *side_data;
int side_data_size = 0, ret;
side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA,
&side_data_size);
switch (par->codec_id) { |
7631f14b |
case AV_CODEC_ID_AAC:
if (side_data_size && (s->pb->seekable & AVIO_SEEKABLE_NORMAL) && !mkv->is_live) {
int filler, output_sample_rate = 0;
int64_t curpos;
ret = get_aac_sample_rates(s, side_data, side_data_size, &track->sample_rate,
&output_sample_rate);
if (ret < 0)
return ret;
if (!output_sample_rate)
output_sample_rate = track->sample_rate; // Space is already reserved, so it's this or a void element.
av_freep(&par->extradata);
ret = ff_alloc_extradata(par, side_data_size);
if (ret < 0)
return ret;
memcpy(par->extradata, side_data, side_data_size);
curpos = avio_tell(mkv->tracks_bc);
avio_seek(mkv->tracks_bc, track->codecpriv_offset, SEEK_SET);
mkv_write_codecprivate(s, mkv->tracks_bc, par, 1, 0);
filler = MAX_PCE_SIZE + 2 + 4 - (avio_tell(mkv->tracks_bc) - track->codecpriv_offset);
if (filler)
put_ebml_void(mkv->tracks_bc, filler);
avio_seek(mkv->tracks_bc, track->sample_rate_offset, SEEK_SET);
put_ebml_float(mkv->tracks_bc, MATROSKA_ID_AUDIOSAMPLINGFREQ, track->sample_rate);
put_ebml_float(mkv->tracks_bc, MATROSKA_ID_AUDIOOUTSAMPLINGFREQ, output_sample_rate);
avio_seek(mkv->tracks_bc, curpos, SEEK_SET);
} else if (!par->extradata_size && !track->sample_rate) {
// No extradata (codecpar or packet side data).
av_log(s, AV_LOG_ERROR, "Error parsing AAC extradata, unable to determine samplerate.\n");
return AVERROR(EINVAL);
}
break; |
8c1342e6 |
case AV_CODEC_ID_FLAC: |
a8b5f375 |
if (side_data_size && (s->pb->seekable & AVIO_SEEKABLE_NORMAL) && !mkv->is_live) { |
8c1342e6 |
AVCodecParameters *codecpriv_par;
int64_t curpos;
if (side_data_size != par->extradata_size) {
av_log(s, AV_LOG_ERROR, "Invalid FLAC STREAMINFO metadata for output stream %d\n",
pkt->stream_index);
return AVERROR(EINVAL);
}
codecpriv_par = avcodec_parameters_alloc();
if (!codecpriv_par)
return AVERROR(ENOMEM);
ret = avcodec_parameters_copy(codecpriv_par, par);
if (ret < 0) {
avcodec_parameters_free(&codecpriv_par);
return ret;
}
memcpy(codecpriv_par->extradata, side_data, side_data_size);
curpos = avio_tell(mkv->tracks_bc);
avio_seek(mkv->tracks_bc, track->codecpriv_offset, SEEK_SET);
mkv_write_codecprivate(s, mkv->tracks_bc, codecpriv_par, 1, 0);
avio_seek(mkv->tracks_bc, curpos, SEEK_SET);
avcodec_parameters_free(&codecpriv_par);
}
break;
default:
if (side_data_size)
av_log(s, AV_LOG_DEBUG, "Ignoring new extradata in a packet for stream %d.\n", pkt->stream_index);
break;
}
return 0;
}
|
37cef8c7 |
static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt, int add_cue) |
67143c0f |
{ |
98186e41 |
MatroskaMuxContext *mkv = s->priv_data; |
f1f6156b |
AVIOContext *pb = s->pb; |
9200514a |
AVCodecParameters *par = s->streams[pkt->stream_index]->codecpar; |
f1f6156b |
int keyframe = !!(pkt->flags & AV_PKT_FLAG_KEY);
int duration = pkt->duration; |
6d588ecd |
int ret; |
84d4e599 |
int64_t ts = mkv->tracks[pkt->stream_index].write_dts ? pkt->dts : pkt->pts; |
c5f3cc40 |
int64_t relative_packet_pos; |
925f7980 |
int dash_tracknum = mkv->is_dash ? mkv->dash_track_number : pkt->stream_index + 1; |
b1adb69c |
|
654b65d0 |
if (ts == AV_NOPTS_VALUE) {
av_log(s, AV_LOG_ERROR, "Can't write packet with unknown timestamp\n");
return AVERROR(EINVAL);
} |
a1aa37dd |
ts += mkv->tracks[pkt->stream_index].ts_offset; |
654b65d0 |
|
7923aa0f |
if (mkv->cluster_pos != -1) {
int64_t cluster_time = ts - mkv->cluster_pts + mkv->tracks[pkt->stream_index].ts_offset;
if ((int16_t)cluster_time != cluster_time) { |
d44b8f0a |
av_log(s, AV_LOG_WARNING, "Starting new cluster due to timestamp\n"); |
7923aa0f |
mkv_start_new_cluster(s, pkt);
}
}
|
bda5b662 |
if (mkv->cluster_pos == -1) { |
a2704c97 |
mkv->cluster_pos = avio_tell(s->pb); |
eabbc647 |
ret = start_ebml_master_crc32(s->pb, &mkv->dyn_bc, mkv, &mkv->cluster, MATROSKA_ID_CLUSTER, 0); |
6724525a |
if (ret < 0)
return ret;
put_ebml_uint(mkv->dyn_bc, MATROSKA_ID_CLUSTERTIMECODE, FFMAX(0, ts)); |
f9ff7179 |
mkv->cluster_pts = FFMAX(0, ts); |
98186e41 |
} |
6724525a |
pb = mkv->dyn_bc; |
98186e41 |
|
eabbc647 |
relative_packet_pos = avio_tell(pb); |
c5f3cc40 |
|
9200514a |
if (par->codec_type != AVMEDIA_TYPE_SUBTITLE) { |
7be0f48a |
mkv_write_block(s, pb, MATROSKA_ID_SIMPLEBLOCK, pkt, keyframe); |
4de591e6 |
if ((s->pb->seekable & AVIO_SEEKABLE_NORMAL) && (par->codec_type == AVMEDIA_TYPE_VIDEO && keyframe || add_cue)) { |
925f7980 |
ret = mkv_add_cuepoint(mkv->cues, pkt->stream_index, dash_tracknum, ts, mkv->cluster_pos, relative_packet_pos, -1);
if (ret < 0) return ret;
}
} else { |
6f69f7a8 |
if (par->codec_id == AV_CODEC_ID_WEBVTT) { |
0c6a92a4 |
duration = mkv_write_vtt_blocks(s, pb, pkt);
} else {
ebml_master blockgroup = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP,
mkv_blockgroup_size(pkt->size)); |
b01891a9 |
|
948f3c19 |
#if FF_API_CONVERGENCE_DURATION
FF_DISABLE_DEPRECATION_WARNINGS |
0c6a92a4 |
/* For backward compatibility, prefer convergence_duration. */
if (pkt->convergence_duration > 0) {
duration = pkt->convergence_duration;
} |
948f3c19 |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
0c6a92a4 |
/* All subtitle blocks are considered to be keyframes. */
mkv_write_block(s, pb, MATROSKA_ID_BLOCK, pkt, 1);
put_ebml_uint(pb, MATROSKA_ID_BLOCKDURATION, duration);
end_ebml_master(pb, blockgroup); |
9d89c8b3 |
} |
02f487fc |
|
4de591e6 |
if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) { |
0c6a92a4 |
ret = mkv_add_cuepoint(mkv->cues, pkt->stream_index, dash_tracknum, ts,
mkv->cluster_pos, relative_packet_pos, duration);
if (ret < 0)
return ret; |
6253f511 |
} |
da46370e |
} |
6364d534 |
|
ac9baa71 |
mkv->duration = FFMAX(mkv->duration, ts + duration); |
31852540 |
if (mkv->stream_durations)
mkv->stream_durations[pkt->stream_index] =
FFMAX(mkv->stream_durations[pkt->stream_index], ts + duration);
|
ac9baa71 |
return 0;
}
static int mkv_write_packet(AVFormatContext *s, AVPacket *pkt)
{
MatroskaMuxContext *mkv = s->priv_data; |
9200514a |
int codec_type = s->streams[pkt->stream_index]->codecpar->codec_type; |
148fbdd1 |
int keyframe = !!(pkt->flags & AV_PKT_FLAG_KEY);
int cluster_size;
int64_t cluster_time;
int ret; |
37cef8c7 |
int start_new_cluster; |
148fbdd1 |
|
8c1342e6 |
ret = mkv_check_new_extra_data(s, pkt);
if (ret < 0)
return ret;
|
148fbdd1 |
if (mkv->tracks[pkt->stream_index].write_dts)
cluster_time = pkt->dts - mkv->cluster_pts;
else
cluster_time = pkt->pts - mkv->cluster_pts; |
a1aa37dd |
cluster_time += mkv->tracks[pkt->stream_index].ts_offset; |
ac9baa71 |
// start a new cluster every 5 MB or 5 sec, or 32k / 1 sec for streaming or
// after 4k and on a keyframe |
4e3bdf72 |
cluster_size = avio_tell(mkv->dyn_bc); |
148fbdd1 |
|
37cef8c7 |
if (mkv->is_dash && codec_type == AVMEDIA_TYPE_VIDEO) {
// WebM DASH specification states that the first block of every cluster
// has to be a key frame. So for DASH video, we only create a cluster
// on seeing key frames.
start_new_cluster = keyframe;
} else if (mkv->is_dash && codec_type == AVMEDIA_TYPE_AUDIO && |
241b306b |
(mkv->cluster_pos == -1 ||
cluster_time > mkv->cluster_time_limit)) { |
37cef8c7 |
// For DASH audio, we create a Cluster based on cluster_time_limit
start_new_cluster = 1;
} else if (!mkv->is_dash &&
(cluster_size > mkv->cluster_size_limit ||
cluster_time > mkv->cluster_time_limit ||
(codec_type == AVMEDIA_TYPE_VIDEO && keyframe &&
cluster_size > 4 * 1024))) {
start_new_cluster = 1;
} else {
start_new_cluster = 0;
}
if (mkv->cluster_pos != -1 && start_new_cluster) { |
3c6e220a |
mkv_start_new_cluster(s, pkt); |
30f06a58 |
}
|
71852a1b |
if (!mkv->cluster_pos)
avio_write_marker(s->pb,
av_rescale_q(pkt->dts, s->streams[pkt->stream_index]->time_base, AV_TIME_BASE_Q),
keyframe && (mkv->have_video ? codec_type == AVMEDIA_TYPE_VIDEO : 1) ? AVIO_DATA_MARKER_SYNC_POINT : AVIO_DATA_MARKER_BOUNDARY_POINT);
|
ac9baa71 |
// check if we have an audio packet cached
if (mkv->cur_audio_pkt.size > 0) { |
37cef8c7 |
// for DASH audio, a CuePoint has to be added when there is a new cluster.
ret = mkv_write_packet_internal(s, &mkv->cur_audio_pkt,
mkv->is_dash ? start_new_cluster : 0); |
ce70f28a |
av_packet_unref(&mkv->cur_audio_pkt); |
ac9baa71 |
if (ret < 0) { |
f1f6156b |
av_log(s, AV_LOG_ERROR,
"Could not write cached audio packet ret:%d\n", ret); |
ac9baa71 |
return ret;
}
}
// buffer an audio packet to ensure the packet containing the video
// keyframe's timecode is contained in the same cluster for WebM |
148fbdd1 |
if (codec_type == AVMEDIA_TYPE_AUDIO) { |
9b56d5c1 |
ret = av_packet_ref(&mkv->cur_audio_pkt, pkt); |
1afddbe5 |
} else |
37cef8c7 |
ret = mkv_write_packet_internal(s, pkt, 0); |
ac9baa71 |
return ret; |
67143c0f |
}
|
b886f5c2 |
static int mkv_write_flush_packet(AVFormatContext *s, AVPacket *pkt)
{
MatroskaMuxContext *mkv = s->priv_data; |
6724525a |
|
b886f5c2 |
if (!pkt) { |
e1acfd3c |
if (mkv->cluster_pos != -1) { |
6724525a |
end_ebml_master_crc32(s->pb, &mkv->dyn_bc, mkv, mkv->cluster); |
4e3bdf72 |
mkv->cluster_pos = -1; |
4de591e6 |
if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) |
d41aeea8 |
av_log(s, AV_LOG_DEBUG,
"Flushing cluster at offset %" PRIu64 " bytes\n",
avio_tell(s->pb));
else
av_log(s, AV_LOG_DEBUG, "Flushing cluster\n"); |
b886f5c2 |
avio_flush(s->pb);
} |
b14086ca |
return 1; |
b886f5c2 |
}
return mkv_write_packet(s, pkt);
}
|
67143c0f |
static int mkv_write_trailer(AVFormatContext *s)
{
MatroskaMuxContext *mkv = s->priv_data; |
ae628ec1 |
AVIOContext *pb = s->pb; |
e7ddafd5 |
int64_t currentpos, cuespos; |
9e2a3e22 |
int ret; |
02f487fc |
|
ac9baa71 |
// check if we have an audio packet cached
if (mkv->cur_audio_pkt.size > 0) { |
37cef8c7 |
ret = mkv_write_packet_internal(s, &mkv->cur_audio_pkt, 0); |
ce70f28a |
av_packet_unref(&mkv->cur_audio_pkt); |
ac9baa71 |
if (ret < 0) { |
f1f6156b |
av_log(s, AV_LOG_ERROR,
"Could not write cached audio packet ret:%d\n", ret); |
ac9baa71 |
return ret;
}
}
|
871b641b |
if (mkv->dyn_bc) { |
6724525a |
end_ebml_master_crc32(pb, &mkv->dyn_bc, mkv, mkv->cluster); |
871b641b |
} |
02f487fc |
|
2ba896fe |
ret = mkv_write_chapters(s);
if (ret < 0)
return ret;
|
26b241c0 |
|
4de591e6 |
if ((pb->seekable & AVIO_SEEKABLE_NORMAL) && !mkv->is_live) { |
91819763 |
if (mkv->cues->num_entries) { |
e3b225a4 |
if (mkv->reserve_cues_space) {
int64_t cues_end;
currentpos = avio_tell(pb);
avio_seek(pb, mkv->cues_pos, SEEK_SET);
|
8365287e |
cuespos = mkv_write_cues(s, mkv->cues, mkv->tracks, s->nb_streams); |
e3b225a4 |
cues_end = avio_tell(pb);
if (cues_end > cuespos + mkv->reserve_cues_space) { |
f1f6156b |
av_log(s, AV_LOG_ERROR,
"Insufficient space reserved for cues: %d "
"(needed: %" PRId64 ").\n",
mkv->reserve_cues_space, cues_end - cuespos); |
e3b225a4 |
return AVERROR(EINVAL);
}
if (cues_end < cuespos + mkv->reserve_cues_space) |
f1f6156b |
put_ebml_void(pb, mkv->reserve_cues_space -
(cues_end - cuespos)); |
e3b225a4 |
avio_seek(pb, currentpos, SEEK_SET);
} else { |
925f7980 |
cuespos = mkv_write_cues(s, mkv->cues, mkv->tracks, s->nb_streams); |
e3b225a4 |
} |
91819763 |
|
f1f6156b |
ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_CUES,
cuespos);
if (ret < 0)
return ret; |
91819763 |
} |
6364d534 |
|
3dabebc2 |
mkv_write_seekhead(pb, mkv); |
e5c29287 |
// update the duration
av_log(s, AV_LOG_DEBUG, "end duration = %" PRIu64 "\n", mkv->duration); |
a2704c97 |
currentpos = avio_tell(pb); |
3bcadf82 |
avio_seek(mkv->info_bc, mkv->duration_offset, SEEK_SET);
put_ebml_float(mkv->info_bc, MATROSKA_ID_DURATION, mkv->duration);
avio_seek(pb, mkv->info.pos, SEEK_SET);
end_ebml_master_crc32(pb, &mkv->info_bc, mkv, mkv->info); |
e5c29287 |
|
ee888cfb |
// write tracks master
avio_seek(pb, mkv->tracks_master.pos, SEEK_SET);
end_ebml_master_crc32(pb, &mkv->tracks_bc, mkv, mkv->tracks_master);
|
31852540 |
// update stream durations |
c45ba265 |
if (!mkv->is_live && mkv->stream_durations) { |
ace83766 |
int i; |
c45ba265 |
int64_t curr = avio_tell(mkv->tags_bc); |
ace83766 |
for (i = 0; i < s->nb_streams; ++i) { |
31852540 |
AVStream *st = s->streams[i];
|
c45ba265 |
if (mkv->stream_duration_offsets[i] > 0) {
double duration_sec = mkv->stream_durations[i] * av_q2d(st->time_base);
char duration_string[20] = "";
av_log(s, AV_LOG_DEBUG, "stream %d end duration = %" PRIu64 "\n", i,
mkv->stream_durations[i]); |
31852540 |
|
650e17d8 |
avio_seek(mkv->tags_bc, mkv->stream_duration_offsets[i], SEEK_SET); |
31852540 |
snprintf(duration_string, 20, "%02d:%02d:%012.9f",
(int) duration_sec / 3600, ((int) duration_sec / 60) % 60,
fmod(duration_sec, 60));
|
650e17d8 |
put_ebml_binary(mkv->tags_bc, MATROSKA_ID_TAGSTRING, duration_string, 20); |
31852540 |
}
} |
c45ba265 |
avio_seek(mkv->tags_bc, curr, SEEK_SET); |
31852540 |
} |
650e17d8 |
if (mkv->tags.pos && !mkv->is_live) {
avio_seek(pb, mkv->tags.pos, SEEK_SET);
end_ebml_master_crc32(pb, &mkv->tags_bc, mkv, mkv->tags);
} |
31852540 |
|
6b4aa5da |
avio_seek(pb, currentpos, SEEK_SET); |
ac9e1177 |
} |
02f487fc |
|
6fd300ac |
if (!mkv->is_live) {
end_ebml_master(pb, mkv->segment);
} |
3b4bb19e |
|
3dabebc2 |
mkv_free(mkv); |
67143c0f |
return 0;
}
|
36ef5369 |
static int mkv_query_codec(enum AVCodecID codec_id, int std_compliance) |
15c14ce6 |
{
int i; |
36ef5369 |
for (i = 0; ff_mkv_codec_tags[i].id != AV_CODEC_ID_NONE; i++) |
15c14ce6 |
if (ff_mkv_codec_tags[i].id == codec_id)
return 1;
|
f1f6156b |
if (std_compliance < FF_COMPLIANCE_NORMAL) {
enum AVMediaType type = avcodec_get_type(codec_id);
// mkv theoretically supports any video/audio through VFW/ACM |
15c14ce6 |
if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO)
return 1;
}
return 0;
}
|
b287d7ea |
static int mkv_init(struct AVFormatContext *s)
{
int i;
|
9924f1bc |
if (s->nb_streams > MAX_TRACKS) {
av_log(s, AV_LOG_ERROR,
"At most %d streams are supported for muxing in Matroska\n",
MAX_TRACKS);
return AVERROR(EINVAL);
}
for (i = 0; i < s->nb_streams; i++) {
if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_ATRAC3 ||
s->streams[i]->codecpar->codec_id == AV_CODEC_ID_COOK ||
s->streams[i]->codecpar->codec_id == AV_CODEC_ID_RA_288 ||
s->streams[i]->codecpar->codec_id == AV_CODEC_ID_SIPR ||
s->streams[i]->codecpar->codec_id == AV_CODEC_ID_RV10 ||
s->streams[i]->codecpar->codec_id == AV_CODEC_ID_RV20) {
av_log(s, AV_LOG_ERROR,
"The Matroska muxer does not yet support muxing %s\n",
avcodec_get_name(s->streams[i]->codecpar->codec_id));
return AVERROR_PATCHWELCOME;
}
}
|
b287d7ea |
if (s->avoid_negative_ts < 0) {
s->avoid_negative_ts = 1;
s->internal->avoid_negative_ts_use_pts = 1;
}
for (i = 0; i < s->nb_streams; i++) {
// ms precision is the de-facto standard timescale for mkv files
avpriv_set_pts_info(s->streams[i], 64, 1, 1000);
}
return 0;
}
static int mkv_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
{
int ret = 1;
AVStream *st = s->streams[pkt->stream_index];
|
6f69f7a8 |
if (st->codecpar->codec_id == AV_CODEC_ID_AAC) { |
b287d7ea |
if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL); |
6f69f7a8 |
} else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) { |
2e6636aa |
ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
} |
b287d7ea |
return ret;
}
|
0553f2c6 |
static const AVCodecTag additional_audio_tags[] = { |
df39c3ce |
{ AV_CODEC_ID_ALAC, 0XFFFFFFFF },
{ AV_CODEC_ID_EAC3, 0XFFFFFFFF },
{ AV_CODEC_ID_MLP, 0xFFFFFFFF },
{ AV_CODEC_ID_OPUS, 0xFFFFFFFF },
{ AV_CODEC_ID_PCM_S16BE, 0xFFFFFFFF },
{ AV_CODEC_ID_PCM_S24BE, 0xFFFFFFFF },
{ AV_CODEC_ID_PCM_S32BE, 0xFFFFFFFF }, |
1638d956 |
{ AV_CODEC_ID_QDMC, 0xFFFFFFFF }, |
df39c3ce |
{ AV_CODEC_ID_QDM2, 0xFFFFFFFF },
{ AV_CODEC_ID_RA_144, 0xFFFFFFFF },
{ AV_CODEC_ID_RA_288, 0xFFFFFFFF },
{ AV_CODEC_ID_COOK, 0xFFFFFFFF },
{ AV_CODEC_ID_TRUEHD, 0xFFFFFFFF },
{ AV_CODEC_ID_NONE, 0xFFFFFFFF }
};
|
0553f2c6 |
static const AVCodecTag additional_video_tags[] = { |
df39c3ce |
{ AV_CODEC_ID_RV10, 0xFFFFFFFF },
{ AV_CODEC_ID_RV20, 0xFFFFFFFF },
{ AV_CODEC_ID_RV30, 0xFFFFFFFF },
{ AV_CODEC_ID_RV40, 0xFFFFFFFF },
{ AV_CODEC_ID_VP9, 0xFFFFFFFF },
{ AV_CODEC_ID_NONE, 0xFFFFFFFF }
};
|
b76df6ef |
static const AVCodecTag additional_subtitle_tags[] = {
{ AV_CODEC_ID_DVB_SUBTITLE, 0xFFFFFFFF },
{ AV_CODEC_ID_HDMV_PGS_SUBTITLE, 0xFFFFFFFF },
{ AV_CODEC_ID_NONE, 0xFFFFFFFF }
};
|
e3b225a4 |
#define OFFSET(x) offsetof(MatroskaMuxContext, x)
#define FLAGS AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = { |
98308bd4 |
{ "reserve_index_space", "Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues).", OFFSET(reserve_cues_space), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
{ "cluster_size_limit", "Store at most the provided amount of bytes in a cluster. ", OFFSET(cluster_size_limit), AV_OPT_TYPE_INT , { .i64 = -1 }, -1, INT_MAX, FLAGS },
{ "cluster_time_limit", "Store at most the provided number of milliseconds in a cluster.", OFFSET(cluster_time_limit), AV_OPT_TYPE_INT64, { .i64 = -1 }, -1, INT64_MAX, FLAGS }, |
43ecec0f |
{ "dash", "Create a WebM file conforming to WebM DASH specification", OFFSET(is_dash), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, |
37cef8c7 |
{ "dash_track_number", "Track number for the DASH stream", OFFSET(dash_track_number), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 127, FLAGS }, |
43ecec0f |
{ "live", "Write files assuming it is a live stream.", OFFSET(is_live), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
{ "allow_raw_vfw", "allow RAW VFW mode", OFFSET(allow_raw_vfw), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, |
711bfb33 |
{ "write_crc32", "write a CRC32 element inside every Level 1 element", OFFSET(write_crc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FLAGS }, |
e3b225a4 |
{ NULL },
};
|
316d6c15 |
#if CONFIG_MATROSKA_MUXER |
e3b225a4 |
static const AVClass matroska_class = {
.class_name = "matroska muxer",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
|
c6610a21 |
AVOutputFormat ff_matroska_muxer = { |
dfc2c4d9 |
.name = "matroska", |
6774247a |
.long_name = NULL_IF_CONFIG_SMALL("Matroska"), |
dfc2c4d9 |
.mime_type = "video/x-matroska",
.extensions = "mkv",
.priv_data_size = sizeof(MatroskaMuxContext), |
fd487218 |
.audio_codec = CONFIG_LIBVORBIS_ENCODER ? |
36ef5369 |
AV_CODEC_ID_VORBIS : AV_CODEC_ID_AC3, |
fd487218 |
.video_codec = CONFIG_LIBX264_ENCODER ? |
36ef5369 |
AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4, |
b287d7ea |
.init = mkv_init, |
dfc2c4d9 |
.write_header = mkv_write_header, |
b886f5c2 |
.write_packet = mkv_write_flush_packet, |
dfc2c4d9 |
.write_trailer = mkv_write_trailer, |
e9cef897 |
.flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS | |
b886f5c2 |
AVFMT_TS_NONSTRICT | AVFMT_ALLOW_FLUSH, |
df39c3ce |
.codec_tag = (const AVCodecTag* const []){
ff_codec_bmp_tags, ff_codec_wav_tags, |
b76df6ef |
additional_audio_tags, additional_video_tags, additional_subtitle_tags, 0 |
df39c3ce |
}, |
7c1a002c |
.subtitle_codec = AV_CODEC_ID_ASS, |
15c14ce6 |
.query_codec = mkv_query_codec, |
b287d7ea |
.check_bitstream = mkv_check_bitstream, |
e3b225a4 |
.priv_class = &matroska_class, |
67143c0f |
}; |
316d6c15 |
#endif
#if CONFIG_WEBM_MUXER |
e3b225a4 |
static const AVClass webm_class = {
.class_name = "webm muxer",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
|
c6610a21 |
AVOutputFormat ff_webm_muxer = { |
dfc2c4d9 |
.name = "webm", |
6774247a |
.long_name = NULL_IF_CONFIG_SMALL("WebM"), |
dfc2c4d9 |
.mime_type = "video/webm",
.extensions = "webm",
.priv_data_size = sizeof(MatroskaMuxContext), |
e176639b |
.audio_codec = CONFIG_LIBOPUS_ENCODER ? AV_CODEC_ID_OPUS : AV_CODEC_ID_VORBIS,
.video_codec = CONFIG_LIBVPX_VP9_ENCODER? AV_CODEC_ID_VP9 : AV_CODEC_ID_VP8, |
509642b4 |
.subtitle_codec = AV_CODEC_ID_WEBVTT, |
b287d7ea |
.init = mkv_init, |
dfc2c4d9 |
.write_header = mkv_write_header, |
b886f5c2 |
.write_packet = mkv_write_flush_packet, |
dfc2c4d9 |
.write_trailer = mkv_write_trailer, |
b287d7ea |
.check_bitstream = mkv_check_bitstream, |
e9cef897 |
.flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS | |
b886f5c2 |
AVFMT_TS_NONSTRICT | AVFMT_ALLOW_FLUSH, |
e3b225a4 |
.priv_class = &webm_class, |
316d6c15 |
};
#endif |
55c151ef |
|
316d6c15 |
#if CONFIG_MATROSKA_AUDIO_MUXER |
e3b225a4 |
static const AVClass mka_class = {
.class_name = "matroska audio muxer",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
}; |
c6610a21 |
AVOutputFormat ff_matroska_audio_muxer = { |
dfc2c4d9 |
.name = "matroska", |
8d9c1b32 |
.long_name = NULL_IF_CONFIG_SMALL("Matroska Audio"), |
dfc2c4d9 |
.mime_type = "audio/x-matroska",
.extensions = "mka",
.priv_data_size = sizeof(MatroskaMuxContext), |
fd487218 |
.audio_codec = CONFIG_LIBVORBIS_ENCODER ? |
36ef5369 |
AV_CODEC_ID_VORBIS : AV_CODEC_ID_AC3,
.video_codec = AV_CODEC_ID_NONE, |
b287d7ea |
.init = mkv_init, |
dfc2c4d9 |
.write_header = mkv_write_header, |
b886f5c2 |
.write_packet = mkv_write_flush_packet, |
dfc2c4d9 |
.write_trailer = mkv_write_trailer, |
b287d7ea |
.check_bitstream = mkv_check_bitstream, |
b886f5c2 |
.flags = AVFMT_GLOBALHEADER | AVFMT_TS_NONSTRICT |
AVFMT_ALLOW_FLUSH, |
df39c3ce |
.codec_tag = (const AVCodecTag* const []){
ff_codec_wav_tags, additional_audio_tags, 0
}, |
e3b225a4 |
.priv_class = &mka_class, |
55c151ef |
}; |
316d6c15 |
#endif |