22a0827d |
/*
* Apple HTTP Live Streaming segmenter
* Copyright (c) 2012, Luca Barbato |
92a32d07 |
* Copyright (c) 2017 Akamai Technologies, Inc. |
22a0827d |
* |
e13d5e9a |
* This file is part of FFmpeg. |
22a0827d |
* |
e13d5e9a |
* FFmpeg is free software; you can redistribute it and/or |
22a0827d |
* 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.
* |
e13d5e9a |
* FFmpeg is distributed in the hope that it will be useful, |
22a0827d |
* 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 |
e13d5e9a |
* License along with FFmpeg; if not, write to the Free Software |
22a0827d |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
|
97b65f61 |
#include "config.h" |
22a0827d |
#include <float.h> |
8f8bc923 |
#include <stdint.h> |
97b65f61 |
#if HAVE_UNISTD_H
#include <unistd.h>
#endif |
22a0827d |
|
5caaa3a4 |
#if CONFIG_GCRYPT
#include <gcrypt.h>
#elif CONFIG_OPENSSL
#include <openssl/rand.h>
#endif
|
b1a0fccd |
#include "libavutil/avassert.h" |
22a0827d |
#include "libavutil/mathematics.h"
#include "libavutil/parseutils.h"
#include "libavutil/avstring.h" |
5caaa3a4 |
#include "libavutil/intreadwrite.h"
#include "libavutil/random_seed.h" |
22a0827d |
#include "libavutil/opt.h"
#include "libavutil/log.h" |
a4055d3e |
#include "libavutil/time_internal.h" |
22a0827d |
#include "avformat.h" |
fe3fed0b |
#include "avio_internal.h" |
815e34b5 |
#include "http.h" |
da49cdf6 |
#include "hlsplaylist.h" |
22a0827d |
#include "internal.h" |
97b65f61 |
#include "os_support.h" |
22a0827d |
|
8811d6d9 |
typedef enum {
HLS_START_SEQUENCE_AS_START_NUMBER = 0,
HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH = 1,
HLS_START_SEQUENCE_AS_FORMATTED_DATETIME = 2, // YYYYMMDDhhmmss
} StartSequenceSourceType;
|
907ac20a |
#define KEYSIZE 16
#define LINE_BUFFER_SIZE 1024 |
2f7cc21b |
#define HLS_MICROSECOND_UNIT 1000000 |
92a32d07 |
#define POSTFIX_PATTERN "_%d" |
907ac20a |
|
706fcffc |
typedef struct HLSSegment {
char filename[1024]; |
379ddc6a |
char sub_filename[1024]; |
53f10e03 |
double duration; /* in seconds */ |
55affd95 |
int discont; |
f685f7d7 |
int64_t pos;
int64_t size; |
467e9d61 |
|
907ac20a |
char key_uri[LINE_BUFFER_SIZE + 1];
char iv_string[KEYSIZE*2 + 1];
|
706fcffc |
struct HLSSegment *next;
} HLSSegment; |
22a0827d |
|
f685f7d7 |
typedef enum HLSFlags {
// Generate a single media file and use byte ranges in the playlist.
HLS_SINGLE_FILE = (1 << 0), |
97b65f61 |
HLS_DELETE_SEGMENTS = (1 << 1), |
8fd01b4a |
HLS_ROUND_DURATIONS = (1 << 2), |
572a8292 |
HLS_DISCONT_START = (1 << 3), |
4f2fcac2 |
HLS_OMIT_ENDLIST = (1 << 4), |
b45a976e |
HLS_SPLIT_BY_TIME = (1 << 5), |
445c30ba |
HLS_APPEND_LIST = (1 << 6), |
2793ebd6 |
HLS_PROGRAM_DATE_TIME = (1 << 7), |
0ff8c6b6 |
HLS_SECOND_LEVEL_SEGMENT_INDEX = (1 << 8), // include segment index in segment filenames when use_localtime e.g.: %%03d |
557c0df9 |
HLS_SECOND_LEVEL_SEGMENT_DURATION = (1 << 9), // include segment duration (microsec) in segment filenames when use_localtime e.g.: %%09t
HLS_SECOND_LEVEL_SEGMENT_SIZE = (1 << 10), // include segment size (bytes) in segment filenames when use_localtime e.g.: %%014s |
606eac7b |
HLS_TEMP_FILE = (1 << 11), |
eabeb909 |
HLS_PERIODIC_REKEY = (1 << 12), |
efb51c8e |
HLS_INDEPENDENT_SEGMENTS = (1 << 13), |
f685f7d7 |
} HLSFlags;
|
77e355ff |
typedef enum { |
274bd167 |
SEGMENT_TYPE_MPEGTS,
SEGMENT_TYPE_FMP4,
} SegmentType;
|
92a32d07 |
typedef struct VariantStream { |
30a76487 |
unsigned number; |
27a15e0a |
int64_t sequence; |
22a0827d |
AVOutputFormat *oformat; |
379ddc6a |
AVOutputFormat *vtt_oformat; |
880b2993 |
AVIOContext *out;
int packets_written;
int init_range_length; |
467e9d61 |
|
22a0827d |
AVFormatContext *avf; |
379ddc6a |
AVFormatContext *vtt_avf; |
467e9d61 |
|
22a0827d |
int has_video; |
379ddc6a |
int has_subtitle; |
2deafd98 |
int new_start;
double dpp; // duration per packet |
22a0827d |
int64_t start_pts;
int64_t end_pts; |
96b8e7a9 |
double duration; // last segment duration computed so far, in seconds |
f685f7d7 |
int64_t start_pos; // last segment starting position
int64_t size; // last segment size |
0448f26c |
int nb_entries; |
572a8292 |
int discontinuity_set; |
55affd95 |
int discontinuity; |
467e9d61 |
|
706fcffc |
HLSSegment *segments;
HLSSegment *last_segment; |
97b65f61 |
HLSSegment *old_segments; |
467e9d61 |
|
22a0827d |
char *basename; |
379ddc6a |
char *vtt_basename;
char *vtt_m3u8_name; |
92a32d07 |
char *m3u8_name;
double initial_prog_date_time;
char current_segment_final_filename_fmt[1024]; // when renaming segments
char *fmp4_init_filename;
char *base_output_dirname;
int fmp4_init_mode;
AVStream **streams;
unsigned int nb_streams; |
77ab1d7b |
int m3u8_created; /* status of media play-list creation */ |
92a32d07 |
char *baseurl;
} VariantStream;
typedef struct HLSContext {
const AVClass *class; // Class for private options.
int64_t start_sequence;
uint32_t start_sequence_source_type; // enum StartSequenceSourceType
float time; // Set by a private option.
float init_time; // Set by a private option.
int max_nb_segments; // Set by a private option.
#if FF_API_HLS_WRAP
int wrap; // Set by a private option.
#endif
uint32_t flags; // enum HLSFlags
uint32_t pl_type; // enum PlaylistType
char *segment_filename;
char *fmp4_init_filename;
int segment_type;
int use_localtime; ///< flag to expand filename with localtime
int use_localtime_mkdir;///< flag to mkdir dirname in timebased filename
int allowcache;
int64_t recording_time;
int64_t max_seg_size; // every segment file max size
|
5a70a783 |
char *baseurl; |
2c21e8b1 |
char *format_options_str; |
379ddc6a |
char *vtt_format_options_str;
char *subtitle_filename; |
2c21e8b1 |
AVDictionary *format_options; |
907ac20a |
|
5caaa3a4 |
int encrypt;
char *key;
char *key_url;
char *iv;
char *key_basename; |
92a32d07 |
int encrypt_started; |
5caaa3a4 |
|
907ac20a |
char *key_info_file;
char key_file[LINE_BUFFER_SIZE + 1];
char key_uri[LINE_BUFFER_SIZE + 1];
char key_string[KEYSIZE*2 + 1];
char iv_string[KEYSIZE*2 + 1]; |
379ddc6a |
AVDictionary *vtt_format_options;
|
8b47e106 |
char *method; |
837c55e0 |
char *user_agent; |
92a32d07 |
VariantStream *var_streams;
unsigned int nb_varstreams; |
77ab1d7b |
int master_m3u8_created; /* status of master play-list creation */
char *master_m3u8_url; /* URL of the master m3u8 file */
int version; /* HLS version */ |
92a32d07 |
char *var_stream_map; /* user specified variant stream map string */ |
77ab1d7b |
char *master_pl_name;
unsigned int master_publish_rate; |
815e34b5 |
int http_persistent; |
22a0827d |
} HLSContext;
|
0d2dd5d9 |
static int mkdir_p(const char *path) {
int ret = 0;
char *temp = av_strdup(path);
char *pos = temp;
char tmp_ch = '\0';
if (!path || !temp) {
return -1;
}
if (!strncmp(temp, "/", 1) || !strncmp(temp, "\\", 1)) {
pos++;
} else if (!strncmp(temp, "./", 2) || !strncmp(temp, ".\\", 2)) {
pos += 2;
}
for ( ; *pos != '\0'; ++pos) {
if (*pos == '/' || *pos == '\\') {
tmp_ch = *pos;
*pos = '\0';
ret = mkdir(temp, 0755);
*pos = tmp_ch;
}
}
if ((*(pos - 1) != '/') || (*(pos - 1) != '\\')) {
ret = mkdir(temp, 0755);
}
av_free(temp);
return ret;
}
|
815e34b5 |
static int is_http_proto(char *filename) {
const char *proto = avio_find_protocol_name(filename);
return proto ? (!av_strcasecmp(proto, "http") || !av_strcasecmp(proto, "https")) : 0;
}
static int hlsenc_io_open(AVFormatContext *s, AVIOContext **pb, char *filename,
AVDictionary **options) {
HLSContext *hls = s->priv_data;
int http_base_proto = is_http_proto(filename);
int err;
if (!*pb || !http_base_proto || !hls->http_persistent) {
err = s->io_open(s, pb, filename, AVIO_FLAG_WRITE, options);
} else {
URLContext *http_url_context = ffio_geturlcontext(*pb);
av_assert0(http_url_context);
err = ff_http_do_new_request(http_url_context, filename);
}
return err;
}
static void hlsenc_io_close(AVFormatContext *s, AVIOContext **pb, char *filename) {
HLSContext *hls = s->priv_data;
int http_base_proto = is_http_proto(filename);
if (!http_base_proto || !hls->http_persistent || hls->key_info_file || hls->encrypt) {
ff_format_io_close(s, pb);
}
}
|
c34c0e3a |
static void set_http_options(AVFormatContext *s, AVDictionary **options, HLSContext *c)
{ |
815e34b5 |
int http_base_proto = is_http_proto(s->filename); |
c34c0e3a |
if (c->method) {
av_dict_set(options, "method", c->method, 0);
} else if (http_base_proto) {
av_log(c, AV_LOG_WARNING, "No HTTP method set, hls muxer defaulting to method PUT.\n");
av_dict_set(options, "method", "PUT", 0);
}
if (c->user_agent)
av_dict_set(options, "user_agent", c->user_agent, 0); |
815e34b5 |
if (c->http_persistent)
av_dict_set_int(options, "multiple_requests", 1, 0); |
c34c0e3a |
}
|
557c0df9 |
static int replace_int_data_in_filename(char *buf, int buf_size, const char *filename, char placeholder, int64_t number)
{
const char *p;
char *q, buf1[20], c;
int nd, len, addchar_count;
int found_count = 0;
q = buf;
p = filename;
for (;;) {
c = *p;
if (c == '\0')
break;
if (c == '%' && *(p+1) == '%') // %%
addchar_count = 2;
else if (c == '%' && (av_isdigit(*(p+1)) || *(p+1) == placeholder)) {
nd = 0;
addchar_count = 1;
while (av_isdigit(*(p + addchar_count))) {
nd = nd * 10 + *(p + addchar_count) - '0';
addchar_count++;
}
if (*(p + addchar_count) == placeholder) {
len = snprintf(buf1, sizeof(buf1), "%0*"PRId64, (number < 0) ? nd : nd++, number);
if (len < 1) // returned error or empty buf1
goto fail;
if ((q - buf + len) > buf_size - 1)
goto fail;
memcpy(q, buf1, len);
q += len;
p += (addchar_count + 1);
addchar_count = 0;
found_count++;
}
} else
addchar_count = 1;
while (addchar_count--)
if ((q - buf) < buf_size - 1)
*q++ = *p++;
else
goto fail;
}
*q = '\0';
return found_count;
fail:
*q = '\0';
return -1;
}
|
274bd167 |
static void write_styp(AVIOContext *pb)
{
avio_wb32(pb, 24);
ffio_wfourcc(pb, "styp");
ffio_wfourcc(pb, "msdh");
avio_wb32(pb, 0); /* minor */
ffio_wfourcc(pb, "msdh");
ffio_wfourcc(pb, "msix");
}
|
92a32d07 |
static int hls_delete_old_segments(AVFormatContext *s, HLSContext *hls,
VariantStream *vs) { |
97b65f61 |
HLSSegment *segment, *previous_segment = NULL;
float playlist_duration = 0.0f; |
379ddc6a |
int ret = 0, path_size, sub_path_size; |
4cad4bd4 |
char *dirname = NULL, *p, *sub_path;
char *path = NULL; |
b05d0274 |
AVDictionary *options = NULL;
AVIOContext *out = NULL; |
965f35b1 |
const char *proto = NULL; |
97b65f61 |
|
92a32d07 |
segment = vs->segments; |
97b65f61 |
while (segment) {
playlist_duration += segment->duration;
segment = segment->next;
}
|
92a32d07 |
segment = vs->old_segments; |
97b65f61 |
while (segment) {
playlist_duration -= segment->duration;
previous_segment = segment;
segment = previous_segment->next;
if (playlist_duration <= -previous_segment->duration) {
previous_segment->next = NULL;
break;
}
}
|
9ec52a0a |
if (segment && !hls->use_localtime_mkdir) { |
97b65f61 |
if (hls->segment_filename) {
dirname = av_strdup(hls->segment_filename);
} else { |
92a32d07 |
dirname = av_strdup(vs->avf->filename); |
97b65f61 |
}
if (!dirname) {
ret = AVERROR(ENOMEM);
goto fail;
}
p = (char *)av_basename(dirname);
*p = '\0';
}
while (segment) {
av_log(hls, AV_LOG_DEBUG, "deleting old segment %s\n",
segment->filename); |
9ec52a0a |
path_size = (hls->use_localtime_mkdir ? 0 : strlen(dirname)) + strlen(segment->filename) + 1; |
97b65f61 |
path = av_malloc(path_size);
if (!path) {
ret = AVERROR(ENOMEM);
goto fail;
} |
379ddc6a |
|
9ec52a0a |
if (hls->use_localtime_mkdir)
av_strlcpy(path, segment->filename, path_size);
else { // segment->filename contains basename only
av_strlcpy(path, dirname, path_size);
av_strlcat(path, segment->filename, path_size);
}
|
965f35b1 |
proto = avio_find_protocol_name(s->filename);
if (hls->method || (proto && !av_strcasecmp(proto, "http"))) { |
b05d0274 |
av_dict_set(&options, "method", "DELETE", 0); |
92a32d07 |
if ((ret = vs->avf->io_open(vs->avf, &out, path, AVIO_FLAG_WRITE, &options)) < 0) |
b05d0274 |
goto fail; |
92a32d07 |
ff_format_io_close(vs->avf, &out); |
b05d0274 |
} else if (unlink(path) < 0) { |
97b65f61 |
av_log(hls, AV_LOG_ERROR, "failed to delete old segment %s: %s\n",
path, strerror(errno));
} |
379ddc6a |
|
57ae94a3 |
if ((segment->sub_filename[0] != '\0')) {
sub_path_size = strlen(segment->sub_filename) + 1 + (dirname ? strlen(dirname) : 0); |
76e3f824 |
sub_path = av_malloc(sub_path_size);
if (!sub_path) {
ret = AVERROR(ENOMEM);
goto fail;
}
av_strlcpy(sub_path, dirname, sub_path_size);
av_strlcat(sub_path, segment->sub_filename, sub_path_size); |
b05d0274 |
|
965f35b1 |
if (hls->method || (proto && !av_strcasecmp(proto, "http"))) { |
b05d0274 |
av_dict_set(&options, "method", "DELETE", 0); |
92a32d07 |
if ((ret = vs->avf->io_open(vs->avf, &out, sub_path, AVIO_FLAG_WRITE, &options)) < 0) { |
b05d0274 |
av_free(sub_path);
goto fail;
} |
92a32d07 |
ff_format_io_close(vs->avf, &out); |
b05d0274 |
} else if (unlink(sub_path) < 0) { |
76e3f824 |
av_log(hls, AV_LOG_ERROR, "failed to delete old segment %s: %s\n",
sub_path, strerror(errno));
}
av_free(sub_path); |
379ddc6a |
} |
4cad4bd4 |
av_freep(&path); |
97b65f61 |
previous_segment = segment;
segment = previous_segment->next;
av_free(previous_segment);
}
fail: |
4cad4bd4 |
av_free(path); |
97b65f61 |
av_free(dirname);
return ret;
}
|
5caaa3a4 |
static int randomize(uint8_t *buf, int len)
{
#if CONFIG_GCRYPT
gcry_randomize(buf, len, GCRY_VERY_STRONG_RANDOM);
return 0;
#elif CONFIG_OPENSSL
if (RAND_bytes(buf, len))
return 0;
#else
return AVERROR(ENOSYS);
#endif
return AVERROR(EINVAL);
}
|
92a32d07 |
static int do_encrypt(AVFormatContext *s, VariantStream *vs) |
5caaa3a4 |
{
HLSContext *hls = s->priv_data;
int ret;
int len;
AVIOContext *pb;
uint8_t key[KEYSIZE];
|
92a32d07 |
len = strlen(s->filename) + 4 + 1; |
5caaa3a4 |
hls->key_basename = av_mallocz(len);
if (!hls->key_basename)
return AVERROR(ENOMEM);
av_strlcpy(hls->key_basename, s->filename, len);
av_strlcat(hls->key_basename, ".key", len);
if (hls->key_url) { |
cbfd44a9 |
av_strlcpy(hls->key_file, hls->key_url, sizeof(hls->key_file));
av_strlcpy(hls->key_uri, hls->key_url, sizeof(hls->key_uri)); |
5caaa3a4 |
} else { |
cbfd44a9 |
av_strlcpy(hls->key_file, hls->key_basename, sizeof(hls->key_file));
av_strlcpy(hls->key_uri, hls->key_basename, sizeof(hls->key_uri)); |
5caaa3a4 |
}
if (!*hls->iv_string) {
uint8_t iv[16] = { 0 };
char buf[33];
if (!hls->iv) { |
92a32d07 |
AV_WB64(iv + 8, vs->sequence); |
5caaa3a4 |
} else {
memcpy(iv, hls->iv, sizeof(iv));
}
ff_data_to_hex(buf, iv, sizeof(iv), 0);
buf[32] = '\0';
memcpy(hls->iv_string, buf, sizeof(hls->iv_string));
}
if (!*hls->key_uri) {
av_log(hls, AV_LOG_ERROR, "no key URI specified in key info file\n");
return AVERROR(EINVAL);
}
if (!*hls->key_file) {
av_log(hls, AV_LOG_ERROR, "no key file specified in key info file\n");
return AVERROR(EINVAL);
}
if (!*hls->key_string) {
if (!hls->key) {
if ((ret = randomize(key, sizeof(key))) < 0) {
av_log(s, AV_LOG_ERROR, "Cannot generate a strong random key\n");
return ret;
}
} else {
memcpy(key, hls->key, sizeof(key));
}
ff_data_to_hex(hls->key_string, key, sizeof(key), 0);
if ((ret = s->io_open(s, &pb, hls->key_file, AVIO_FLAG_WRITE, NULL)) < 0)
return ret;
avio_seek(pb, 0, SEEK_CUR);
avio_write(pb, key, KEYSIZE);
avio_close(pb);
}
return 0;
}
|
907ac20a |
static int hls_encryption_start(AVFormatContext *s)
{
HLSContext *hls = s->priv_data;
int ret;
AVIOContext *pb;
uint8_t key[KEYSIZE];
|
bc9a5965 |
if ((ret = s->io_open(s, &pb, hls->key_info_file, AVIO_FLAG_READ, NULL)) < 0) { |
907ac20a |
av_log(hls, AV_LOG_ERROR,
"error opening key info file %s\n", hls->key_info_file);
return ret;
}
ff_get_line(pb, hls->key_uri, sizeof(hls->key_uri));
hls->key_uri[strcspn(hls->key_uri, "\r\n")] = '\0';
ff_get_line(pb, hls->key_file, sizeof(hls->key_file));
hls->key_file[strcspn(hls->key_file, "\r\n")] = '\0';
ff_get_line(pb, hls->iv_string, sizeof(hls->iv_string));
hls->iv_string[strcspn(hls->iv_string, "\r\n")] = '\0';
|
bc9a5965 |
ff_format_io_close(s, &pb); |
907ac20a |
if (!*hls->key_uri) {
av_log(hls, AV_LOG_ERROR, "no key URI specified in key info file\n");
return AVERROR(EINVAL);
}
if (!*hls->key_file) {
av_log(hls, AV_LOG_ERROR, "no key file specified in key info file\n");
return AVERROR(EINVAL);
}
|
bc9a5965 |
if ((ret = s->io_open(s, &pb, hls->key_file, AVIO_FLAG_READ, NULL)) < 0) { |
907ac20a |
av_log(hls, AV_LOG_ERROR, "error opening key file %s\n", hls->key_file);
return ret;
}
ret = avio_read(pb, key, sizeof(key)); |
bc9a5965 |
ff_format_io_close(s, &pb); |
907ac20a |
if (ret != sizeof(key)) {
av_log(hls, AV_LOG_ERROR, "error reading key file %s\n", hls->key_file);
if (ret >= 0 || ret == AVERROR_EOF)
ret = AVERROR(EINVAL);
return ret;
}
ff_data_to_hex(hls->key_string, key, sizeof(key), 0);
return 0;
}
|
445c30ba |
static int read_chomp_line(AVIOContext *s, char *buf, int maxlen)
{
int len = ff_get_line(s, buf, maxlen);
while (len > 0 && av_isspace(buf[len - 1]))
buf[--len] = '\0';
return len;
}
|
92a32d07 |
static int hls_mux_init(AVFormatContext *s, VariantStream *vs) |
22a0827d |
{ |
274bd167 |
AVDictionary *options = NULL; |
22a0827d |
HLSContext *hls = s->priv_data;
AVFormatContext *oc; |
e3d8504f |
AVFormatContext *vtt_oc = NULL; |
738b29cf |
int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0); |
75c8d7c2 |
int i, ret; |
22a0827d |
|
92a32d07 |
ret = avformat_alloc_output_context2(&vs->avf, vs->oformat, NULL, NULL); |
75c8d7c2 |
if (ret < 0)
return ret; |
92a32d07 |
oc = vs->avf; |
22a0827d |
|
606eac7b |
oc->filename[0] = '\0'; |
92a32d07 |
oc->oformat = vs->oformat; |
22a0827d |
oc->interrupt_callback = s->interrupt_callback; |
75c8d7c2 |
oc->max_delay = s->max_delay; |
9f61abc8 |
oc->opaque = s->opaque;
oc->io_open = s->io_open;
oc->io_close = s->io_close; |
d780fdb9 |
av_dict_copy(&oc->metadata, s->metadata, 0); |
22a0827d |
|
92a32d07 |
if(vs->vtt_oformat) {
ret = avformat_alloc_output_context2(&vs->vtt_avf, vs->vtt_oformat, NULL, NULL); |
379ddc6a |
if (ret < 0)
return ret; |
92a32d07 |
vtt_oc = vs->vtt_avf;
vtt_oc->oformat = vs->vtt_oformat; |
379ddc6a |
av_dict_copy(&vtt_oc->metadata, s->metadata, 0);
}
|
92a32d07 |
for (i = 0; i < vs->nb_streams; i++) { |
22a0827d |
AVStream *st; |
379ddc6a |
AVFormatContext *loc; |
92a32d07 |
if (vs->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) |
379ddc6a |
loc = vtt_oc;
else
loc = oc;
if (!(st = avformat_new_stream(loc, NULL))) |
22a0827d |
return AVERROR(ENOMEM); |
92a32d07 |
avcodec_parameters_copy(st->codecpar, vs->streams[i]->codecpar); |
1fe40e73 |
if (!oc->oformat->codec_tag || |
92a32d07 |
av_codec_get_id (oc->oformat->codec_tag, vs->streams[i]->codecpar->codec_tag) == st->codecpar->codec_id ||
av_codec_get_tag(oc->oformat->codec_tag, vs->streams[i]->codecpar->codec_id) <= 0) {
st->codecpar->codec_tag = vs->streams[i]->codecpar->codec_tag; |
1fe40e73 |
} else {
st->codecpar->codec_tag = 0;
}
|
92a32d07 |
st->sample_aspect_ratio = vs->streams[i]->sample_aspect_ratio;
st->time_base = vs->streams[i]->time_base;
av_dict_copy(&st->metadata, vs->streams[i]->metadata, 0); |
22a0827d |
} |
92a32d07 |
vs->packets_written = 1;
vs->start_pos = 0;
vs->new_start = 1;
vs->fmp4_init_mode = 0; |
22a0827d |
|
274bd167 |
if (hls->segment_type == SEGMENT_TYPE_FMP4) { |
738b29cf |
if (hls->max_seg_size > 0) {
av_log(s, AV_LOG_WARNING, "Multi-file byterange mode is currently unsupported in the HLS muxer.\n");
return AVERROR_PATCHWELCOME;
} |
92a32d07 |
vs->packets_written = 0;
vs->init_range_length = 0;
vs->fmp4_init_mode = !byterange_mode; |
c34c0e3a |
set_http_options(s, &options, hls); |
880b2993 |
if ((ret = avio_open_dyn_buf(&oc->pb)) < 0)
return ret;
|
92a32d07 |
if ((ret = s->io_open(s, &vs->out, vs->base_output_dirname, AVIO_FLAG_WRITE, &options)) < 0) {
av_log(s, AV_LOG_ERROR, "Failed to open segment '%s'\n", vs->fmp4_init_filename); |
274bd167 |
return ret;
}
if (hls->format_options_str) {
ret = av_dict_parse_string(&hls->format_options, hls->format_options_str, "=", ":", 0);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Could not parse format options list '%s'\n",
hls->format_options_str);
return ret;
}
}
av_dict_copy(&options, hls->format_options, 0);
av_dict_set(&options, "fflags", "-autobsf", 0);
av_dict_set(&options, "movflags", "frag_custom+dash+delay_moov", 0);
ret = avformat_init_output(oc, &options); |
2d417076 |
if (ret < 0)
return ret; |
274bd167 |
if (av_dict_count(options)) {
av_log(s, AV_LOG_ERROR, "Some of the provided format options in '%s' are not recognized\n", hls->format_options_str);
av_dict_free(&options);
return AVERROR(EINVAL);
} |
880b2993 |
avio_flush(oc->pb); |
274bd167 |
av_dict_free(&options);
} |
22a0827d |
return 0;
}
|
03a69bd8 |
static HLSSegment *find_segment_by_filename(HLSSegment *segment, const char *filename)
{
while (segment) {
if (!av_strcasecmp(segment->filename,filename))
return segment;
segment = segment->next;
}
return (HLSSegment *) NULL;
}
|
92a32d07 |
static int sls_flags_filename_process(struct AVFormatContext *s, HLSContext *hls,
VariantStream *vs, HLSSegment *en,
double duration, int64_t pos, int64_t size) |
22a0827d |
{ |
557c0df9 |
if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) && |
92a32d07 |
strlen(vs->current_segment_final_filename_fmt)) {
av_strlcpy(vs->avf->filename, vs->current_segment_final_filename_fmt, sizeof(vs->avf->filename)); |
557c0df9 |
if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) { |
92a32d07 |
char * filename = av_strdup(vs->avf->filename); // %%s will be %s after strftime |
93593674 |
if (!filename) {
av_free(en); |
557c0df9 |
return AVERROR(ENOMEM); |
93593674 |
} |
92a32d07 |
if (replace_int_data_in_filename(vs->avf->filename, sizeof(vs->avf->filename), |
557c0df9 |
filename, 's', pos + size) < 1) {
av_log(hls, AV_LOG_ERROR,
"Invalid second level segment filename template '%s', "
"you can try to remove second_level_segment_size flag\n",
filename);
av_free(filename); |
93593674 |
av_free(en); |
557c0df9 |
return AVERROR(EINVAL);
}
av_free(filename);
}
if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) { |
92a32d07 |
char * filename = av_strdup(vs->avf->filename); // %%t will be %t after strftime |
93593674 |
if (!filename) {
av_free(en); |
557c0df9 |
return AVERROR(ENOMEM); |
93593674 |
} |
92a32d07 |
if (replace_int_data_in_filename(vs->avf->filename, sizeof(vs->avf->filename), |
2f7cc21b |
filename, 't', (int64_t)round(duration * HLS_MICROSECOND_UNIT)) < 1) { |
557c0df9 |
av_log(hls, AV_LOG_ERROR,
"Invalid second level segment filename template '%s', "
"you can try to remove second_level_segment_time flag\n",
filename);
av_free(filename); |
93593674 |
av_free(en); |
557c0df9 |
return AVERROR(EINVAL);
}
av_free(filename);
}
} |
33e997d9 |
return 0;
}
static int sls_flag_check_duration_size_index(HLSContext *hls)
{
int ret = 0;
if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
av_log(hls, AV_LOG_ERROR,
"second_level_segment_duration hls_flag requires use_localtime to be true\n");
ret = AVERROR(EINVAL);
}
if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
av_log(hls, AV_LOG_ERROR,
"second_level_segment_size hls_flag requires use_localtime to be true\n");
ret = AVERROR(EINVAL);
}
if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_INDEX) {
av_log(hls, AV_LOG_ERROR,
"second_level_segment_index hls_flag requires use_localtime to be true\n");
ret = AVERROR(EINVAL);
}
return ret;
}
|
92a32d07 |
static int sls_flag_check_duration_size(HLSContext *hls, VariantStream *vs) |
33e997d9 |
{ |
92a32d07 |
const char *proto = avio_find_protocol_name(vs->basename); |
33e997d9 |
int segment_renaming_ok = proto && !strcmp(proto, "file");
int ret = 0;
if ((hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) && !segment_renaming_ok) {
av_log(hls, AV_LOG_ERROR,
"second_level_segment_duration hls_flag works only with file protocol segment names\n");
ret = AVERROR(EINVAL);
}
if ((hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) && !segment_renaming_ok) {
av_log(hls, AV_LOG_ERROR,
"second_level_segment_size hls_flag works only with file protocol segment names\n");
ret = AVERROR(EINVAL);
}
return ret;
}
|
92a32d07 |
static void sls_flag_file_rename(HLSContext *hls, VariantStream *vs, char *old_filename) { |
33e997d9 |
if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) && |
92a32d07 |
strlen(vs->current_segment_final_filename_fmt)) {
ff_rename(old_filename, vs->avf->filename, hls); |
33e997d9 |
}
}
|
92a32d07 |
static int sls_flag_use_localtime_filename(AVFormatContext *oc, HLSContext *c, VariantStream *vs) |
33e997d9 |
{
if (c->flags & HLS_SECOND_LEVEL_SEGMENT_INDEX) {
char * filename = av_strdup(oc->filename); // %%d will be %d after strftime
if (!filename)
return AVERROR(ENOMEM);
if (replace_int_data_in_filename(oc->filename, sizeof(oc->filename),
#if FF_API_HLS_WRAP |
92a32d07 |
filename, 'd', c->wrap ? vs->sequence % c->wrap : vs->sequence) < 1) { |
33e997d9 |
#else |
92a32d07 |
filename, 'd', vs->sequence) < 1) { |
33e997d9 |
#endif
av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
"you can try to remove second_level_segment_index flag\n",
filename);
av_free(filename);
return AVERROR(EINVAL);
}
av_free(filename);
}
if (c->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) { |
92a32d07 |
av_strlcpy(vs->current_segment_final_filename_fmt, oc->filename,
sizeof(vs->current_segment_final_filename_fmt)); |
33e997d9 |
if (c->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
char * filename = av_strdup(oc->filename); // %%s will be %s after strftime
if (!filename)
return AVERROR(ENOMEM);
if (replace_int_data_in_filename(oc->filename, sizeof(oc->filename), filename, 's', 0) < 1) {
av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
"you can try to remove second_level_segment_size flag\n",
filename);
av_free(filename);
return AVERROR(EINVAL);
}
av_free(filename);
}
if (c->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
char * filename = av_strdup(oc->filename); // %%t will be %t after strftime
if (!filename)
return AVERROR(ENOMEM);
if (replace_int_data_in_filename(oc->filename, sizeof(oc->filename), filename, 't', 0) < 1) {
av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
"you can try to remove second_level_segment_time flag\n",
filename);
av_free(filename);
return AVERROR(EINVAL);
}
av_free(filename);
}
}
return 0;
}
/* Create a new segment and append it to the segment list */ |
92a32d07 |
static int hls_append_segment(struct AVFormatContext *s, HLSContext *hls,
VariantStream *vs, double duration, int64_t pos,
int64_t size) |
33e997d9 |
{
HLSSegment *en = av_malloc(sizeof(*en));
const char *filename; |
3996ae93 |
int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0); |
33e997d9 |
int ret; |
557c0df9 |
|
33e997d9 |
if (!en)
return AVERROR(ENOMEM);
|
92a32d07 |
ret = sls_flags_filename_process(s, hls, vs, en, duration, pos, size); |
33e997d9 |
if (ret < 0) {
return ret;
} |
557c0df9 |
|
92a32d07 |
filename = av_basename(vs->avf->filename); |
6c31c992 |
if (hls->use_localtime_mkdir) { |
92a32d07 |
filename = vs->avf->filename; |
6c31c992 |
} |
92a32d07 |
if ((find_segment_by_filename(vs->segments, filename) || find_segment_by_filename(vs->old_segments, filename)) |
3996ae93 |
&& !byterange_mode) { |
03a69bd8 |
av_log(hls, AV_LOG_WARNING, "Duplicated segment filename detected: %s\n", filename);
} |
6c31c992 |
av_strlcpy(en->filename, filename, sizeof(en->filename)); |
22a0827d |
|
92a32d07 |
if(vs->has_subtitle)
av_strlcpy(en->sub_filename, av_basename(vs->vtt_avf->filename), sizeof(en->sub_filename)); |
76e3f824 |
else
en->sub_filename[0] = '\0'; |
379ddc6a |
|
22a0827d |
en->duration = duration; |
f685f7d7 |
en->pos = pos;
en->size = size; |
22a0827d |
en->next = NULL; |
55affd95 |
en->discont = 0;
|
92a32d07 |
if (vs->discontinuity) { |
55affd95 |
en->discont = 1; |
92a32d07 |
vs->discontinuity = 0; |
55affd95 |
} |
22a0827d |
|
5caaa3a4 |
if (hls->key_info_file || hls->encrypt) { |
907ac20a |
av_strlcpy(en->key_uri, hls->key_uri, sizeof(en->key_uri));
av_strlcpy(en->iv_string, hls->iv_string, sizeof(en->iv_string));
}
|
92a32d07 |
if (!vs->segments)
vs->segments = en; |
22a0827d |
else |
92a32d07 |
vs->last_segment->next = en; |
22a0827d |
|
92a32d07 |
vs->last_segment = en; |
22a0827d |
|
77e355ff |
// EVENT or VOD playlists imply sliding window cannot be used
if (hls->pl_type != PLAYLIST_TYPE_NONE)
hls->max_nb_segments = 0;
|
92a32d07 |
if (hls->max_nb_segments && vs->nb_entries >= hls->max_nb_segments) {
en = vs->segments;
vs->initial_prog_date_time += en->duration;
vs->segments = en->next; |
97b65f61 |
if (en && hls->flags & HLS_DELETE_SEGMENTS && |
d96ebc5e |
#if FF_API_HLS_WRAP |
97b65f61 |
!(hls->flags & HLS_SINGLE_FILE || hls->wrap)) { |
d96ebc5e |
#else
!(hls->flags & HLS_SINGLE_FILE)) {
#endif |
92a32d07 |
en->next = vs->old_segments;
vs->old_segments = en;
if ((ret = hls_delete_old_segments(s, hls, vs)) < 0) |
97b65f61 |
return ret;
} else
av_free(en); |
0448f26c |
} else |
92a32d07 |
vs->nb_entries++; |
22a0827d |
|
1212e346 |
if (hls->max_seg_size > 0) {
return 0;
} |
92a32d07 |
vs->sequence++; |
27a15e0a |
|
22a0827d |
return 0;
}
|
92a32d07 |
static int parse_playlist(AVFormatContext *s, const char *url, VariantStream *vs) |
445c30ba |
{
HLSContext *hls = s->priv_data;
AVIOContext *in;
int ret = 0, is_segment = 0;
int64_t new_start_pos;
char line[1024];
const char *ptr; |
363e4f08 |
const char *end; |
445c30ba |
if ((ret = ffio_open_whitelist(&in, url, AVIO_FLAG_READ,
&s->interrupt_callback, NULL,
s->protocol_whitelist, s->protocol_blacklist)) < 0)
return ret;
read_chomp_line(in, line, sizeof(line));
if (strcmp(line, "#EXTM3U")) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
|
92a32d07 |
vs->discontinuity = 0; |
445c30ba |
while (!avio_feof(in)) {
read_chomp_line(in, line, sizeof(line));
if (av_strstart(line, "#EXT-X-MEDIA-SEQUENCE:", &ptr)) { |
8811d6d9 |
int64_t tmp_sequence = strtoll(ptr, NULL, 10); |
92a32d07 |
if (tmp_sequence < vs->sequence) |
8811d6d9 |
av_log(hls, AV_LOG_VERBOSE,
"Found playlist sequence number was smaller """
"than specified start sequence number: %"PRId64" < %"PRId64", "
"omitting\n", tmp_sequence, hls->start_sequence);
else {
av_log(hls, AV_LOG_DEBUG, "Found playlist sequence number: %"PRId64"\n", tmp_sequence); |
92a32d07 |
vs->sequence = tmp_sequence; |
8811d6d9 |
} |
6b95da9a |
} else if (av_strstart(line, "#EXT-X-DISCONTINUITY", &ptr)) {
is_segment = 1; |
92a32d07 |
vs->discontinuity = 1; |
445c30ba |
} else if (av_strstart(line, "#EXTINF:", &ptr)) {
is_segment = 1; |
92a32d07 |
vs->duration = atof(ptr); |
363e4f08 |
} else if (av_stristart(line, "#EXT-X-KEY:", &ptr)) {
ptr = av_stristr(line, "URI=\"");
if (ptr) {
ptr += strlen("URI=\"");
end = av_stristr(ptr, ",");
if (end) {
av_strlcpy(hls->key_uri, ptr, end - ptr);
} else {
av_strlcpy(hls->key_uri, ptr, sizeof(hls->key_uri));
}
}
ptr = av_stristr(line, "IV=0x");
if (ptr) {
ptr += strlen("IV=0x");
end = av_stristr(ptr, ",");
if (end) {
av_strlcpy(hls->iv_string, ptr, end - ptr);
} else {
av_strlcpy(hls->iv_string, ptr, sizeof(hls->iv_string));
}
}
|
445c30ba |
} else if (av_strstart(line, "#", NULL)) {
continue;
} else if (line[0]) {
if (is_segment) {
is_segment = 0; |
92a32d07 |
new_start_pos = avio_tell(vs->avf->pb);
vs->size = new_start_pos - vs->start_pos;
av_strlcpy(vs->avf->filename, line, sizeof(line));
ret = hls_append_segment(s, hls, vs, vs->duration, vs->start_pos, vs->size); |
445c30ba |
if (ret < 0)
goto fail; |
92a32d07 |
vs->start_pos = new_start_pos; |
445c30ba |
}
}
}
fail:
avio_close(in);
return ret;
}
|
97b65f61 |
static void hls_free_segments(HLSSegment *p) |
22a0827d |
{ |
97b65f61 |
HLSSegment *en; |
22a0827d |
while(p) {
en = p;
p = p->next;
av_free(en);
}
}
|
f73ef374 |
static void hls_rename_temp_file(AVFormatContext *s, AVFormatContext *oc)
{
size_t len = strlen(oc->filename);
char final_filename[sizeof(oc->filename)];
av_strlcpy(final_filename, oc->filename, len);
final_filename[len-4] = '\0';
ff_rename(oc->filename, final_filename, s);
oc->filename[len-4] = '\0';
}
|
77ab1d7b |
static int get_relative_url(const char *master_url, const char *media_url,
char *rel_url, int rel_url_buf_size)
{
char *p = NULL;
int base_len = -1;
p = strrchr(master_url, '/') ? strrchr(master_url, '/') :\
strrchr(master_url, '\\');
if (p) {
base_len = FFABS(p - master_url);
if (av_strncasecmp(master_url, media_url, base_len)) {
av_log(NULL, AV_LOG_WARNING, "Unable to find relative url\n");
return AVERROR(EINVAL);
}
}
av_strlcpy(rel_url, &(media_url[base_len + 1]), rel_url_buf_size);
return 0;
}
static int create_master_playlist(AVFormatContext *s,
VariantStream * const input_vs)
{
HLSContext *hls = s->priv_data;
VariantStream *vs;
AVStream *vid_st, *aud_st;
AVIOContext *master_pb = 0;
AVDictionary *options = NULL;
unsigned int i, j;
int m3u8_name_size, ret, bandwidth; |
241c1192 |
char *m3u8_rel_name; |
77ab1d7b |
input_vs->m3u8_created = 1;
if (!hls->master_m3u8_created) {
/* For the first time, wait until all the media playlists are created */
for (i = 0; i < hls->nb_varstreams; i++)
if (!hls->var_streams[i].m3u8_created)
return 0;
} else {
/* Keep publishing the master playlist at the configured rate */
if (&hls->var_streams[0] != input_vs || !hls->master_publish_rate ||
input_vs->number % hls->master_publish_rate)
return 0;
}
|
f335efc0 |
set_http_options(s, &options, hls); |
77ab1d7b |
ret = s->io_open(s, &master_pb, hls->master_m3u8_url, AVIO_FLAG_WRITE,\
&options);
av_dict_free(&options);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Failed to open master play list file '%s'\n",
hls->master_m3u8_url);
goto fail;
}
|
da49cdf6 |
ff_hls_write_playlist_version(master_pb, hls->version); |
77ab1d7b |
/* For variant streams with video add #EXT-X-STREAM-INF tag with attributes*/
for (i = 0; i < hls->nb_varstreams; i++) {
vs = &(hls->var_streams[i]);
m3u8_name_size = strlen(vs->m3u8_name) + 1; |
241c1192 |
m3u8_rel_name = av_malloc(m3u8_name_size);
if (!m3u8_rel_name) { |
77ab1d7b |
ret = AVERROR(ENOMEM);
goto fail;
} |
241c1192 |
av_strlcpy(m3u8_rel_name, vs->m3u8_name, m3u8_name_size); |
77ab1d7b |
ret = get_relative_url(hls->master_m3u8_url, vs->m3u8_name, |
241c1192 |
m3u8_rel_name, m3u8_name_size); |
77ab1d7b |
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Unable to find relative URL\n");
goto fail;
}
vid_st = NULL;
aud_st = NULL;
for (j = 0; j < vs->nb_streams; j++) {
if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
vid_st = vs->streams[j];
else if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
aud_st = vs->streams[j];
}
if (!vid_st && !aud_st) {
av_log(NULL, AV_LOG_WARNING, "Media stream not found\n");
continue;
}
bandwidth = 0;
if (vid_st)
bandwidth += vid_st->codecpar->bit_rate;
if (aud_st)
bandwidth += aud_st->codecpar->bit_rate;
bandwidth += bandwidth / 10;
|
da49cdf6 |
ff_hls_write_stream_info(vid_st, master_pb, bandwidth, m3u8_rel_name); |
77ab1d7b |
|
241c1192 |
av_freep(&m3u8_rel_name); |
77ab1d7b |
}
fail:
if(ret >=0)
hls->master_m3u8_created = 1; |
241c1192 |
av_freep(&m3u8_rel_name); |
77ab1d7b |
ff_format_io_close(s, &master_pb);
return ret;
}
|
92a32d07 |
static int hls_window(AVFormatContext *s, int last, VariantStream *vs) |
22a0827d |
{
HLSContext *hls = s->priv_data; |
706fcffc |
HLSSegment *en; |
7e98956e |
int target_duration = 0; |
22a0827d |
int ret = 0; |
28bf05e7 |
AVIOContext *out = NULL; |
379ddc6a |
AVIOContext *sub_out = NULL; |
da97e4c6 |
char temp_filename[1024]; |
92a32d07 |
int64_t sequence = FFMAX(hls->start_sequence, vs->sequence - vs->nb_entries); |
e78a7291 |
const char *proto = avio_find_protocol_name(s->filename);
int use_rename = proto && !strcmp(proto, "file"); |
6c9537b8 |
static unsigned warned_non_file; |
907ac20a |
char *key_uri = NULL;
char *iv_string = NULL; |
8b47e106 |
AVDictionary *options = NULL; |
92a32d07 |
double prog_date_time = vs->initial_prog_date_time; |
da49cdf6 |
double *prog_date_time_p = (hls->flags & HLS_PROGRAM_DATE_TIME) ? &prog_date_time : NULL; |
1212e346 |
int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
|
77ab1d7b |
hls->version = 3; |
1212e346 |
if (byterange_mode) { |
77ab1d7b |
hls->version = 4; |
1212e346 |
sequence = 0;
} |
6c9537b8 |
|
efb51c8e |
if (hls->flags & HLS_INDEPENDENT_SEGMENTS) {
hls->version = 6;
}
|
274bd167 |
if (hls->segment_type == SEGMENT_TYPE_FMP4) { |
77ab1d7b |
hls->version = 7; |
274bd167 |
}
|
6c9537b8 |
if (!use_rename && !warned_non_file++) |
468c596a |
av_log(s, AV_LOG_ERROR, "Cannot use rename on non file protocol, this may lead to races and temporary partial files\n"); |
22a0827d |
|
965f35b1 |
set_http_options(s, &options, hls); |
92a32d07 |
snprintf(temp_filename, sizeof(temp_filename), use_rename ? "%s.tmp" : "%s", vs->m3u8_name); |
b2ab3398 |
if ((ret = s->io_open(s, &out, temp_filename, AVIO_FLAG_WRITE, &options)) < 0) |
22a0827d |
goto fail;
|
92a32d07 |
for (en = vs->segments; en; en = en->next) { |
daff04bd |
if (target_duration <= en->duration) |
3684b5e5 |
target_duration = hls_get_int_from_double(en->duration); |
7e98956e |
}
|
92a32d07 |
vs->discontinuity_set = 0; |
da49cdf6 |
ff_hls_write_playlist_header(out, hls->version, hls->allowcache,
target_duration, sequence, hls->pl_type); |
22a0827d |
|
92a32d07 |
if((hls->flags & HLS_DISCONT_START) && sequence==hls->start_sequence && vs->discontinuity_set==0 ){ |
572a8292 |
avio_printf(out, "#EXT-X-DISCONTINUITY\n"); |
92a32d07 |
vs->discontinuity_set = 1; |
572a8292 |
} |
efb51c8e |
if (vs->has_video && (hls->flags & HLS_INDEPENDENT_SEGMENTS)) {
avio_printf(out, "#EXT-X-INDEPENDENT-SEGMENTS\n");
} |
92a32d07 |
for (en = vs->segments; en; en = en->next) { |
5caaa3a4 |
if ((hls->encrypt || hls->key_info_file) && (!key_uri || strcmp(en->key_uri, key_uri) || |
907ac20a |
av_strcasecmp(en->iv_string, iv_string))) {
avio_printf(out, "#EXT-X-KEY:METHOD=AES-128,URI=\"%s\"", en->key_uri);
if (*en->iv_string)
avio_printf(out, ",IV=0x%s", en->iv_string);
avio_printf(out, "\n");
key_uri = en->key_uri;
iv_string = en->iv_string;
}
|
92a32d07 |
if ((hls->segment_type == SEGMENT_TYPE_FMP4) && (en == vs->segments)) { |
da49cdf6 |
ff_hls_write_init_file(out, vs->fmp4_init_filename,
hls->flags & HLS_SINGLE_FILE, en->size, en->pos); |
c3e279e7 |
} |
da49cdf6 |
ff_hls_write_file_entry(out, en->discont, byterange_mode,
en->duration, hls->flags & HLS_ROUND_DURATIONS,
en->size, en->pos, vs->baseurl,
en->filename, prog_date_time_p);
|
22a0827d |
}
|
4f2fcac2 |
if (last && (hls->flags & HLS_OMIT_ENDLIST)==0) |
da49cdf6 |
ff_hls_write_end_list(out); |
22a0827d |
|
92a32d07 |
if( vs->vtt_m3u8_name ) {
if ((ret = s->io_open(s, &sub_out, vs->vtt_m3u8_name, AVIO_FLAG_WRITE, &options)) < 0) |
379ddc6a |
goto fail; |
da49cdf6 |
ff_hls_write_playlist_header(sub_out, hls->version, hls->allowcache,
target_duration, sequence, PLAYLIST_TYPE_NONE); |
379ddc6a |
|
92a32d07 |
for (en = vs->segments; en; en = en->next) { |
da49cdf6 |
ff_hls_write_file_entry(sub_out, 0, byterange_mode,
en->duration, 0, en->size, en->pos,
vs->baseurl, en->sub_filename, NULL); |
379ddc6a |
}
if (last) |
da49cdf6 |
ff_hls_write_end_list(sub_out); |
379ddc6a |
}
|
22a0827d |
fail: |
8b47e106 |
av_dict_free(&options); |
9f61abc8 |
ff_format_io_close(s, &out); |
bc9a5965 |
ff_format_io_close(s, &sub_out); |
e78a7291 |
if (ret >= 0 && use_rename) |
92a32d07 |
ff_rename(temp_filename, vs->m3u8_name, s); |
77ab1d7b |
if (ret >= 0 && hls->master_pl_name)
if (create_master_playlist(s, vs) < 0)
av_log(s, AV_LOG_WARNING, "Master playlist creation failed\n");
|
22a0827d |
return ret;
}
|
92a32d07 |
static int hls_start(AVFormatContext *s, VariantStream *vs) |
22a0827d |
{
HLSContext *c = s->priv_data; |
92a32d07 |
AVFormatContext *oc = vs->avf;
AVFormatContext *vtt_oc = vs->vtt_avf; |
907ac20a |
AVDictionary *options = NULL;
char *filename, iv_string[KEYSIZE*2 + 1]; |
22a0827d |
int err = 0;
|
379ddc6a |
if (c->flags & HLS_SINGLE_FILE) { |
92a32d07 |
av_strlcpy(oc->filename, vs->basename, |
f685f7d7 |
sizeof(oc->filename)); |
92a32d07 |
if (vs->vtt_basename)
av_strlcpy(vtt_oc->filename, vs->vtt_basename, |
379ddc6a |
sizeof(vtt_oc->filename)); |
1212e346 |
} else if (c->max_seg_size > 0) { |
8811d6d9 |
if (replace_int_data_in_filename(oc->filename, sizeof(oc->filename), |
d96ebc5e |
#if FF_API_HLS_WRAP |
92a32d07 |
vs->basename, 'd', c->wrap ? vs->sequence % c->wrap : vs->sequence) < 1) { |
d96ebc5e |
#else |
92a32d07 |
vs->basename, 'd', vs->sequence) < 1) { |
d96ebc5e |
#endif |
92a32d07 |
av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s', you can try to use -use_localtime 1 with it\n", vs->basename); |
1212e346 |
return AVERROR(EINVAL);
} |
379ddc6a |
} else { |
a4055d3e |
if (c->use_localtime) {
time_t now0;
struct tm *tm, tmpbuf;
time(&now0);
tm = localtime_r(&now0, &tmpbuf); |
92a32d07 |
if (!strftime(oc->filename, sizeof(oc->filename), vs->basename, tm)) { |
a4055d3e |
av_log(oc, AV_LOG_ERROR, "Could not get segment filename with use_localtime\n");
return AVERROR(EINVAL);
} |
33e997d9 |
|
92a32d07 |
err = sls_flag_use_localtime_filename(oc, c, vs); |
33e997d9 |
if (err < 0) {
return AVERROR(ENOMEM); |
557c0df9 |
} |
33e997d9 |
|
6c31c992 |
if (c->use_localtime_mkdir) {
const char *dir;
char *fn_copy = av_strdup(oc->filename);
if (!fn_copy) {
return AVERROR(ENOMEM);
}
dir = av_dirname(fn_copy); |
0d2dd5d9 |
if (mkdir_p(dir) == -1 && errno != EEXIST) { |
6c31c992 |
av_log(oc, AV_LOG_ERROR, "Could not create directory %s with use_localtime_mkdir\n", dir);
av_free(fn_copy);
return AVERROR(errno);
}
av_free(fn_copy);
} |
8811d6d9 |
} else if (replace_int_data_in_filename(oc->filename, sizeof(oc->filename), |
d96ebc5e |
#if FF_API_HLS_WRAP |
92a32d07 |
vs->basename, 'd', c->wrap ? vs->sequence % c->wrap : vs->sequence) < 1) { |
d96ebc5e |
#else |
92a32d07 |
vs->basename, 'd', vs->sequence) < 1) { |
d96ebc5e |
#endif |
92a32d07 |
av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s' you can try to use -use_localtime 1 with it\n", vs->basename); |
f685f7d7 |
return AVERROR(EINVAL);
} |
92a32d07 |
if( vs->vtt_basename) { |
8811d6d9 |
if (replace_int_data_in_filename(vtt_oc->filename, sizeof(vtt_oc->filename), |
d96ebc5e |
#if FF_API_HLS_WRAP |
92a32d07 |
vs->vtt_basename, 'd', c->wrap ? vs->sequence % c->wrap : vs->sequence) < 1) { |
d96ebc5e |
#else |
92a32d07 |
vs->vtt_basename, 'd', vs->sequence) < 1) { |
d96ebc5e |
#endif |
92a32d07 |
av_log(vtt_oc, AV_LOG_ERROR, "Invalid segment filename template '%s'\n", vs->vtt_basename); |
379ddc6a |
return AVERROR(EINVAL);
}
}
} |
92a32d07 |
vs->number++; |
22a0827d |
|
965f35b1 |
set_http_options(s, &options, c); |
8b47e106 |
|
606eac7b |
if (c->flags & HLS_TEMP_FILE) {
av_strlcat(oc->filename, ".tmp", sizeof(oc->filename));
}
|
5caaa3a4 |
if (c->key_info_file || c->encrypt) {
if (c->key_info_file && c->encrypt) {
av_log(s, AV_LOG_WARNING, "Cannot use both -hls_key_info_file and -hls_enc,"
" will use -hls_key_info_file priority\n");
} |
805ce25b |
|
92a32d07 |
if (!c->encrypt_started || (c->flags & HLS_PERIODIC_REKEY)) { |
805ce25b |
if (c->key_info_file) {
if ((err = hls_encryption_start(s)) < 0)
goto fail;
} else { |
92a32d07 |
if ((err = do_encrypt(s, vs)) < 0) |
805ce25b |
goto fail;
} |
92a32d07 |
c->encrypt_started = 1; |
5caaa3a4 |
} |
907ac20a |
if ((err = av_dict_set(&options, "encryption_key", c->key_string, 0))
< 0) |
8b47e106 |
goto fail; |
907ac20a |
err = av_strlcpy(iv_string, c->iv_string, sizeof(iv_string));
if (!err) |
92a32d07 |
snprintf(iv_string, sizeof(iv_string), "%032"PRIx64, vs->sequence); |
907ac20a |
if ((err = av_dict_set(&options, "encryption_iv", iv_string, 0)) < 0) |
8b47e106 |
goto fail; |
907ac20a |
filename = av_asprintf("crypto:%s", oc->filename);
if (!filename) { |
8b47e106 |
err = AVERROR(ENOMEM);
goto fail; |
907ac20a |
} |
815e34b5 |
err = hlsenc_io_open(s, &oc->pb, filename, &options); |
907ac20a |
av_free(filename);
av_dict_free(&options);
if (err < 0)
return err;
} else |
815e34b5 |
if ((err = hlsenc_io_open(s, &oc->pb, oc->filename, &options)) < 0) |
8b47e106 |
goto fail; |
92a32d07 |
if (vs->vtt_basename) { |
965f35b1 |
set_http_options(s, &options, c); |
815e34b5 |
if ((err = hlsenc_io_open(s, &vtt_oc->pb, vtt_oc->filename, &options)) < 0) |
8b47e106 |
goto fail; |
379ddc6a |
} |
8b47e106 |
av_dict_free(&options); |
22a0827d |
|
738b29cf |
if (c->segment_type == SEGMENT_TYPE_FMP4 && !(c->flags & HLS_SINGLE_FILE)) { |
274bd167 |
write_styp(oc->pb);
} else {
/* We only require one PAT/PMT per segment. */
if (oc->oformat->priv_class && oc->priv_data) {
char period[21]; |
9ae73d06 |
|
274bd167 |
snprintf(period, sizeof(period), "%d", (INT_MAX / 2) - 1); |
9ae73d06 |
|
274bd167 |
av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
av_opt_set(oc->priv_data, "sdt_period", period, 0);
av_opt_set(oc->priv_data, "pat_period", period, 0);
} |
9ae73d06 |
} |
22a0827d |
|
92a32d07 |
if (vs->vtt_basename) { |
c62d1780 |
err = avformat_write_header(vtt_oc,NULL);
if (err < 0)
return err;
} |
379ddc6a |
|
22a0827d |
return 0; |
8b47e106 |
fail:
av_dict_free(&options);
return err; |
22a0827d |
}
|
f21457f8 |
static const char * get_default_pattern_localtime_fmt(AVFormatContext *s) |
8fd3e02e |
{
char b[21];
time_t t = time(NULL);
struct tm *p, tmbuf; |
f21457f8 |
HLSContext *hls = s->priv_data;
|
8fd3e02e |
p = localtime_r(&t, &tmbuf);
// no %s support when strftime returned error or left format string unchanged |
3aef2fce |
// also no %s support on MSVC, which invokes the invalid parameter handler on unsupported format strings, instead of returning an error |
f21457f8 |
if (hls->segment_type == SEGMENT_TYPE_FMP4) {
return (HAVE_LIBC_MSVCRT || !strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.m4s" : "-%s.m4s";
} |
3aef2fce |
return (HAVE_LIBC_MSVCRT || !strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.ts" : "-%s.ts"; |
8fd3e02e |
}
|
92a32d07 |
static int format_name(char *name, int name_buf_len, int i)
{
char *p;
char extension[10] = {'\0'};
p = strrchr(name, '.');
if (p) {
av_strlcpy(extension, p, sizeof(extension));
*p = '\0';
}
snprintf(name + strlen(name), name_buf_len - strlen(name), POSTFIX_PATTERN, i);
if (strlen(extension))
av_strlcat(name, extension, name_buf_len);
return 0;
}
static int get_nth_codec_stream_index(AVFormatContext *s,
enum AVMediaType codec_type,
int stream_id)
{
unsigned int stream_index, cnt;
if (stream_id < 0 || stream_id > s->nb_streams - 1)
return -1;
cnt = 0;
for (stream_index = 0; stream_index < s->nb_streams; stream_index++) {
if (s->streams[stream_index]->codecpar->codec_type != codec_type)
continue;
if (cnt == stream_id)
return stream_index;
cnt++;
}
return -1;
}
static int parse_variant_stream_mapstring(AVFormatContext *s)
{
HLSContext *hls = s->priv_data;
VariantStream *vs;
int stream_index;
enum AVMediaType codec_type;
int nb_varstreams, nb_streams;
char *p, *q, *saveptr1, *saveptr2, *varstr, *keyval;
const char *val;
/**
* Expected format for var_stream_map string is as below:
* "a:0,v:0 a:1,v:1"
* This string specifies how to group the audio, video and subtitle streams
* into different variant streams. The variant stream groups are separated
* by space.
*
* a:, v:, s: are keys to specify audio, video and subtitle streams
* respectively. Allowed values are 0 to 9 digits (limited just based on
* practical usage)
*
*/
p = av_strdup(hls->var_stream_map);
q = p;
while(av_strtok(q, " \t", &saveptr1)) {
q = NULL;
hls->nb_varstreams++;
}
av_freep(&p);
hls->var_streams = av_mallocz(sizeof(*hls->var_streams) * hls->nb_varstreams);
if (!hls->var_streams)
return AVERROR(ENOMEM);
p = hls->var_stream_map;
nb_varstreams = 0;
while (varstr = av_strtok(p, " \t", &saveptr1)) {
p = NULL;
if (nb_varstreams < hls->nb_varstreams)
vs = &(hls->var_streams[nb_varstreams++]);
else
return AVERROR(EINVAL);
q = varstr;
while (q < varstr + strlen(varstr)) {
if (!av_strncasecmp(q, "a:", 2) || !av_strncasecmp(q, "v:", 2) ||
!av_strncasecmp(q, "s:", 2))
vs->nb_streams++;
q++;
}
vs->streams = av_mallocz(sizeof(AVStream *) * vs->nb_streams);
if (!vs->streams)
return AVERROR(ENOMEM);
nb_streams = 0;
while (keyval = av_strtok(varstr, ",", &saveptr2)) {
varstr = NULL;
if (av_strstart(keyval, "v:", &val)) {
codec_type = AVMEDIA_TYPE_VIDEO;
} else if (av_strstart(keyval, "a:", &val)) {
codec_type = AVMEDIA_TYPE_AUDIO;
} else if (av_strstart(keyval, "s:", &val)) {
codec_type = AVMEDIA_TYPE_SUBTITLE;
} else {
av_log(s, AV_LOG_ERROR, "Invalid keyval %s\n", keyval);
return AVERROR(EINVAL);
}
stream_index = -1;
if (av_isdigit(*val))
stream_index = get_nth_codec_stream_index (s, codec_type,
atoi(val));
if (stream_index >= 0 && nb_streams < vs->nb_streams) {
vs->streams[nb_streams++] = s->streams[stream_index];
} else {
av_log(s, AV_LOG_ERROR, "Unable to map stream at %s\n", keyval);
return AVERROR(EINVAL);
}
}
}
av_log(s, AV_LOG_DEBUG, "Number of variant streams %d\n",
hls->nb_varstreams);
return 0;
}
static int update_variant_stream_info(AVFormatContext *s) {
HLSContext *hls = s->priv_data;
unsigned int i;
if (hls->var_stream_map) {
return parse_variant_stream_mapstring(s);
} else {
//By default, a single variant stream with all the codec streams is created
hls->nb_varstreams = 1;
hls->var_streams = av_mallocz(sizeof(*hls->var_streams) *
hls->nb_varstreams);
if (!hls->var_streams)
return AVERROR(ENOMEM);
hls->var_streams[0].nb_streams = s->nb_streams;
hls->var_streams[0].streams = av_mallocz(sizeof(AVStream *) *
hls->var_streams[0].nb_streams);
if (!hls->var_streams[0].streams)
return AVERROR(ENOMEM);
for (i = 0; i < s->nb_streams; i++)
hls->var_streams[0].streams[i] = s->streams[i];
}
return 0;
}
|
77ab1d7b |
static int update_master_pl_info(AVFormatContext *s) {
HLSContext *hls = s->priv_data;
int m3u8_name_size, ret;
char *p;
m3u8_name_size = strlen(s->filename) + strlen(hls->master_pl_name) + 1;
hls->master_m3u8_url = av_malloc(m3u8_name_size);
if (!hls->master_m3u8_url) {
ret = AVERROR(ENOMEM);
return ret;
}
av_strlcpy(hls->master_m3u8_url, s->filename, m3u8_name_size);
p = strrchr(hls->master_m3u8_url, '/') ?
strrchr(hls->master_m3u8_url, '/') :
strrchr(hls->master_m3u8_url, '\\');
if (p) {
*(p + 1) = '\0';
av_strlcat(hls->master_m3u8_url, hls->master_pl_name, m3u8_name_size);
} else {
av_strlcpy(hls->master_m3u8_url, hls->master_pl_name, m3u8_name_size);
}
return 0;
}
|
22a0827d |
static int hls_write_header(AVFormatContext *s)
{
HLSContext *hls = s->priv_data; |
92a32d07 |
int ret, i, j; |
7e9cdd3f |
char *p = NULL; |
22a0827d |
const char *pattern = "%d.ts"; |
f21457f8 |
const char *pattern_localtime_fmt = get_default_pattern_localtime_fmt(s); |
379ddc6a |
const char *vtt_pattern = "%d.vtt"; |
2c21e8b1 |
AVDictionary *options = NULL; |
7e9cdd3f |
int basename_size = 0; |
92a32d07 |
int vtt_basename_size = 0, m3u8_name_size = 0;
VariantStream *vs = NULL; |
f5208307 |
int fmp4_init_filename_len = strlen(hls->fmp4_init_filename) + 1; |
22a0827d |
|
92a32d07 |
ret = update_variant_stream_info(s);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Variant stream info update failed with status %x\n",
ret);
goto fail;
}
//TODO: Updates needed to encryption functionality with periodic re-key when more than one variant streams are present
if (hls->nb_varstreams > 1 && hls->flags & HLS_PERIODIC_REKEY) {
ret = AVERROR(EINVAL);
av_log(s, AV_LOG_ERROR, "Periodic re-key not supported when more than one variant streams are present\n");
goto fail;
}
|
77ab1d7b |
if (hls->master_pl_name) {
ret = update_master_pl_info(s);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Master stream info update failed with status %x\n",
ret);
goto fail;
}
}
|
f21457f8 |
if (hls->segment_type == SEGMENT_TYPE_FMP4) {
pattern = "%d.m4s"; |
23e21130 |
} |
33e997d9 |
if ((hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) ||
(hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME)) { |
8811d6d9 |
time_t t = time(NULL); // we will need it in either case |
57789cfb |
if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) { |
8811d6d9 |
hls->start_sequence = (int64_t)t; |
57789cfb |
} else if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME) { |
8811d6d9 |
char b[15];
struct tm *p, tmbuf;
if (!(p = localtime_r(&t, &tmbuf)))
return AVERROR(ENOMEM);
if (!strftime(b, sizeof(b), "%Y%m%d%H%M%S", p))
return AVERROR(ENOMEM);
hls->start_sequence = strtoll(b, NULL, 10);
}
av_log(hls, AV_LOG_DEBUG, "start_number evaluated to %"PRId64"\n", hls->start_sequence);
}
|
92a32d07 |
for (i = 0; i < hls->nb_varstreams; i++) {
vs = &hls->var_streams[i];
vs->sequence = hls->start_sequence; |
557ad3a4 |
hls->recording_time = (hls->init_time ? hls->init_time : hls->time) * AV_TIME_BASE; |
92a32d07 |
vs->start_pts = AV_NOPTS_VALUE; |
d5d2632e |
vs->end_pts = AV_NOPTS_VALUE; |
92a32d07 |
vs->current_segment_final_filename_fmt[0] = '\0'; |
22a0827d |
|
efb51c8e |
if (hls->flags & HLS_SPLIT_BY_TIME && hls->flags & HLS_INDEPENDENT_SEGMENTS) {
// Independent segments cannot be guaranteed when splitting by time
hls->flags &= ~HLS_INDEPENDENT_SEGMENTS;
av_log(s, AV_LOG_WARNING,
"'split_by_time' and 'independent_segments' cannot be enabled together. "
"Disabling 'independent_segments' flag\n");
}
|
2793ebd6 |
if (hls->flags & HLS_PROGRAM_DATE_TIME) {
time_t now0;
time(&now0); |
92a32d07 |
vs->initial_prog_date_time = now0; |
2793ebd6 |
}
|
2c21e8b1 |
if (hls->format_options_str) {
ret = av_dict_parse_string(&hls->format_options, hls->format_options_str, "=", ":", 0);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Could not parse format options list '%s'\n", hls->format_options_str);
goto fail;
}
}
|
92a32d07 |
for (j = 0; j < vs->nb_streams; j++) {
vs->has_video +=
vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO;
vs->has_subtitle +=
vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE; |
379ddc6a |
} |
22a0827d |
|
92a32d07 |
if (vs->has_video > 1) |
22a0827d |
av_log(s, AV_LOG_WARNING,
"More than a single video stream present, "
"expect issues decoding it.\n");
|
274bd167 |
if (hls->segment_type == SEGMENT_TYPE_FMP4) { |
92a32d07 |
vs->oformat = av_guess_format("mp4", NULL, NULL); |
274bd167 |
} else { |
92a32d07 |
vs->oformat = av_guess_format("mpegts", NULL, NULL); |
274bd167 |
} |
22a0827d |
|
92a32d07 |
if (!vs->oformat) { |
22a0827d |
ret = AVERROR_MUXER_NOT_FOUND;
goto fail;
}
|
92a32d07 |
if(vs->has_subtitle) {
vs->vtt_oformat = av_guess_format("webvtt", NULL, NULL);
if (!vs->oformat) { |
379ddc6a |
ret = AVERROR_MUXER_NOT_FOUND;
goto fail;
}
}
|
1c639fa6 |
if (hls->segment_filename) { |
92a32d07 |
basename_size = strlen(hls->segment_filename) + 1;
if (hls->nb_varstreams > 1) {
basename_size += strlen(POSTFIX_PATTERN);
}
vs->basename = av_malloc(basename_size);
if (!vs->basename) { |
1c639fa6 |
ret = AVERROR(ENOMEM);
goto fail;
} |
92a32d07 |
av_strlcpy(vs->basename, hls->segment_filename, basename_size); |
1c639fa6 |
} else { |
738b29cf |
if (hls->flags & HLS_SINGLE_FILE) {
if (hls->segment_type == SEGMENT_TYPE_FMP4) {
pattern = ".m4s";
} else {
pattern = ".ts";
}
} |
22a0827d |
|
a4055d3e |
if (hls->use_localtime) {
basename_size = strlen(s->filename) + strlen(pattern_localtime_fmt) + 1;
} else {
basename_size = strlen(s->filename) + strlen(pattern) + 1;
} |
92a32d07 |
if (hls->nb_varstreams > 1) {
basename_size += strlen(POSTFIX_PATTERN);
}
vs->basename = av_malloc(basename_size);
if (!vs->basename) { |
1c639fa6 |
ret = AVERROR(ENOMEM);
goto fail;
} |
22a0827d |
|
92a32d07 |
av_strlcpy(vs->basename, s->filename, basename_size); |
22a0827d |
|
92a32d07 |
p = strrchr(vs->basename, '.'); |
1c639fa6 |
if (p)
*p = '\0'; |
a4055d3e |
if (hls->use_localtime) { |
92a32d07 |
av_strlcat(vs->basename, pattern_localtime_fmt, basename_size); |
a4055d3e |
} else { |
92a32d07 |
av_strlcat(vs->basename, pattern, basename_size); |
a4055d3e |
} |
73bf0f42 |
} |
f21457f8 |
|
92a32d07 |
m3u8_name_size = strlen(s->filename) + 1;
if (hls->nb_varstreams > 1) {
m3u8_name_size += strlen(POSTFIX_PATTERN);
}
vs->m3u8_name = av_malloc(m3u8_name_size);
if (!vs->m3u8_name ) {
ret = AVERROR(ENOMEM);
goto fail;
}
av_strlcpy(vs->m3u8_name, s->filename, m3u8_name_size);
if (hls->nb_varstreams > 1) {
ret = format_name(vs->basename, basename_size, i);
if (ret < 0)
goto fail;
ret = format_name(vs->m3u8_name, m3u8_name_size, i);
if (ret < 0)
goto fail;
}
|
c52beb48 |
if (hls->segment_type == SEGMENT_TYPE_FMP4) { |
92a32d07 |
if (hls->nb_varstreams > 1)
fmp4_init_filename_len += strlen(POSTFIX_PATTERN);
vs->fmp4_init_filename = av_malloc(fmp4_init_filename_len);
if (!vs->fmp4_init_filename ) {
ret = AVERROR(ENOMEM);
goto fail;
}
av_strlcpy(vs->fmp4_init_filename, hls->fmp4_init_filename,
fmp4_init_filename_len);
if (hls->nb_varstreams > 1) {
ret = format_name(vs->fmp4_init_filename, fmp4_init_filename_len, i);
if (ret < 0)
goto fail;
}
|
c7360512 |
if (av_strcasecmp(hls->fmp4_init_filename, "init.mp4")) { |
92a32d07 |
fmp4_init_filename_len = strlen(vs->fmp4_init_filename) + 1;
vs->base_output_dirname = av_malloc(fmp4_init_filename_len);
if (!vs->base_output_dirname) { |
c7360512 |
ret = AVERROR(ENOMEM);
goto fail;
} |
92a32d07 |
av_strlcpy(vs->base_output_dirname, vs->fmp4_init_filename,
fmp4_init_filename_len); |
f5208307 |
} else { |
92a32d07 |
fmp4_init_filename_len = strlen(vs->m3u8_name) +
strlen(vs->fmp4_init_filename) + 1;
vs->base_output_dirname = av_malloc(fmp4_init_filename_len);
if (!vs->base_output_dirname) { |
c7360512 |
ret = AVERROR(ENOMEM);
goto fail;
} |
f21457f8 |
|
92a32d07 |
av_strlcpy(vs->base_output_dirname, vs->m3u8_name,
fmp4_init_filename_len);
p = strrchr(vs->base_output_dirname, '/'); |
c7360512 |
if (p) {
*(p + 1) = '\0'; |
92a32d07 |
av_strlcat(vs->base_output_dirname, vs->fmp4_init_filename,
fmp4_init_filename_len); |
c7360512 |
} else { |
92a32d07 |
av_strlcpy(vs->base_output_dirname, vs->fmp4_init_filename,
fmp4_init_filename_len); |
c7360512 |
} |
f21457f8 |
} |
1c639fa6 |
} |
73bf0f42 |
|
557c0df9 |
if (!hls->use_localtime) { |
33e997d9 |
ret = sls_flag_check_duration_size_index(hls);
if (ret < 0) { |
557c0df9 |
goto fail;
}
} else { |
92a32d07 |
ret = sls_flag_check_duration_size(hls, vs); |
33e997d9 |
if (ret < 0) { |
557c0df9 |
goto fail;
} |
0ff8c6b6 |
} |
92a32d07 |
if(vs->has_subtitle) { |
379ddc6a |
if (hls->flags & HLS_SINGLE_FILE)
vtt_pattern = ".vtt";
vtt_basename_size = strlen(s->filename) + strlen(vtt_pattern) + 1; |
92a32d07 |
if (hls->nb_varstreams > 1) {
vtt_basename_size += strlen(POSTFIX_PATTERN);
}
vs->vtt_basename = av_malloc(vtt_basename_size);
if (!vs->vtt_basename) { |
379ddc6a |
ret = AVERROR(ENOMEM);
goto fail;
} |
92a32d07 |
vs->vtt_m3u8_name = av_malloc(vtt_basename_size);
if (!vs->vtt_m3u8_name ) { |
379ddc6a |
ret = AVERROR(ENOMEM);
goto fail;
} |
92a32d07 |
av_strlcpy(vs->vtt_basename, s->filename, vtt_basename_size);
p = strrchr(vs->vtt_basename, '.'); |
379ddc6a |
if (p)
*p = '\0';
if( hls->subtitle_filename ) { |
92a32d07 |
strcpy(vs->vtt_m3u8_name, hls->subtitle_filename); |
379ddc6a |
} else { |
92a32d07 |
strcpy(vs->vtt_m3u8_name, vs->vtt_basename);
av_strlcat(vs->vtt_m3u8_name, "_vtt.m3u8", vtt_basename_size); |
379ddc6a |
} |
92a32d07 |
av_strlcat(vs->vtt_basename, vtt_pattern, vtt_basename_size);
if (hls->nb_varstreams > 1) {
ret= format_name(vs->vtt_basename, vtt_basename_size, i);
if (ret < 0)
goto fail;
ret = format_name(vs->vtt_m3u8_name, vtt_basename_size, i);
if (ret < 0)
goto fail;
}
}
if (hls->baseurl) {
int baseurl_len;
baseurl_len = strlen(hls->baseurl);
vs->baseurl = av_malloc(baseurl_len);
if (!vs->baseurl) {
ret = AVERROR(ENOMEM);
goto fail;
}
av_strlcpy(vs->baseurl, hls->baseurl, baseurl_len); |
379ddc6a |
}
|
738b29cf |
if ((hls->flags & HLS_SINGLE_FILE) && (hls->segment_type == SEGMENT_TYPE_FMP4)) { |
92a32d07 |
vs->fmp4_init_filename = av_strdup(vs->basename);
if (!vs->fmp4_init_filename) { |
738b29cf |
ret = AVERROR(ENOMEM);
goto fail;
}
}
|
92a32d07 |
if ((ret = hls_mux_init(s, vs)) < 0) |
22a0827d |
goto fail;
|
445c30ba |
if (hls->flags & HLS_APPEND_LIST) { |
92a32d07 |
parse_playlist(s, vs->m3u8_name, vs);
vs->discontinuity = 1; |
3aab6fa6 |
if (hls->init_time > 0) {
av_log(s, AV_LOG_WARNING, "append_list mode does not support hls_init_time,"
" hls_init_time value will have no effect\n");
hls->init_time = 0;
hls->recording_time = hls->time * AV_TIME_BASE;
} |
445c30ba |
}
|
738b29cf |
if (hls->segment_type != SEGMENT_TYPE_FMP4 || hls->flags & HLS_SINGLE_FILE) { |
92a32d07 |
if ((ret = hls_start(s, vs)) < 0) |
274bd167 |
goto fail;
} |
22a0827d |
|
2c21e8b1 |
av_dict_copy(&options, hls->format_options, 0); |
92a32d07 |
ret = avformat_write_header(vs->avf, &options); |
2c21e8b1 |
if (av_dict_count(options)) {
av_log(s, AV_LOG_ERROR, "Some of provided format options in '%s' are not recognized\n", hls->format_options_str);
ret = AVERROR(EINVAL); |
92a32d07 |
av_dict_free(&options); |
0c889da8 |
goto fail; |
2c21e8b1 |
} |
92a32d07 |
av_dict_free(&options); |
379ddc6a |
//av_assert0(s->nb_streams == hls->avf->nb_streams); |
92a32d07 |
for (j = 0; j < vs->nb_streams; j++) { |
379ddc6a |
AVStream *inner_st; |
92a32d07 |
AVStream *outer_st = vs->streams[j]; |
1212e346 |
if (hls->max_seg_size > 0) {
if ((outer_st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) &&
(outer_st->codecpar->bit_rate > hls->max_seg_size)) {
av_log(s, AV_LOG_WARNING, "Your video bitrate is bigger than hls_segment_size, "
"(%"PRId64 " > %"PRId64 "), the result maybe not be what you want.",
outer_st->codecpar->bit_rate, hls->max_seg_size);
}
}
|
6f69f7a8 |
if (outer_st->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE) |
92a32d07 |
inner_st = vs->avf->streams[j];
else if (vs->vtt_avf)
inner_st = vs->vtt_avf->streams[0]; |
379ddc6a |
else { |
29a43bd5 |
/* We have a subtitle stream, when the user does not want one */ |
379ddc6a |
inner_st = NULL;
continue;
} |
3f5095f2 |
avpriv_set_pts_info(outer_st, inner_st->pts_wrap_bits, inner_st->time_base.num, inner_st->time_base.den); |
b1a0fccd |
} |
92a32d07 |
} |
22a0827d |
fail: |
2c21e8b1 |
|
aa6545e1 |
if (ret < 0) { |
5caaa3a4 |
av_freep(&hls->key_basename); |
92a32d07 |
for (i = 0; i < hls->nb_varstreams && hls->var_streams; i++) {
vs = &hls->var_streams[i];
av_freep(&vs->basename);
av_freep(&vs->vtt_basename);
av_freep(&vs->fmp4_init_filename);
av_freep(&vs->m3u8_name);
av_freep(&vs->vtt_m3u8_name);
av_freep(&vs->streams);
av_freep(&vs->baseurl);
if (vs->avf)
avformat_free_context(vs->avf);
if (vs->vtt_avf)
avformat_free_context(vs->vtt_avf);
}
av_freep(&hls->var_streams); |
77ab1d7b |
av_freep(&hls->master_m3u8_url); |
22a0827d |
}
return ret;
}
static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
{
HLSContext *hls = s->priv_data; |
379ddc6a |
AVFormatContext *oc = NULL; |
22a0827d |
AVStream *st = s->streams[pkt->stream_index]; |
92a32d07 |
int64_t end_pts = 0; |
54056c14 |
int is_ref_pkt = 1; |
92a32d07 |
int ret = 0, can_split = 1, i, j; |
379ddc6a |
int stream_index = 0; |
880b2993 |
int range_length = 0;
uint8_t *buffer = NULL; |
92a32d07 |
VariantStream *vs = NULL;
for (i = 0; i < hls->nb_varstreams; i++) {
vs = &hls->var_streams[i];
for (j = 0; j < vs->nb_streams; j++) {
if (vs->streams[j] == st) {
if( st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE ) {
oc = vs->vtt_avf;
stream_index = 0;
} else {
oc = vs->avf;
stream_index = j;
}
break;
}
}
if (oc)
break;
}
if (!oc) {
av_log(s, AV_LOG_ERROR, "Unable to find mapping variant stream\n");
return AVERROR(ENOMEM);
}
end_pts = hls->recording_time * vs->number; |
22a0827d |
|
92a32d07 |
if (vs->sequence - vs->nb_entries > hls->start_sequence && hls->init_time > 0) { |
557ad3a4 |
/* reset end_pts, hls->recording_time at end of the init hls list */ |
92a32d07 |
int init_list_dur = hls->init_time * vs->nb_entries * AV_TIME_BASE;
int after_init_list_dur = (vs->sequence - vs->nb_entries ) * hls->time * AV_TIME_BASE; |
557ad3a4 |
hls->recording_time = hls->time * AV_TIME_BASE;
end_pts = init_list_dur + after_init_list_dur ;
}
|
92a32d07 |
if (vs->start_pts == AV_NOPTS_VALUE) {
vs->start_pts = pkt->pts; |
22a0827d |
}
|
92a32d07 |
if (vs->has_video) { |
9200514a |
can_split = st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && |
b45a976e |
((pkt->flags & AV_PKT_FLAG_KEY) || (hls->flags & HLS_SPLIT_BY_TIME)); |
6f69f7a8 |
is_ref_pkt = st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO; |
4630dfd1 |
} |
54056c14 |
if (pkt->pts == AV_NOPTS_VALUE)
is_ref_pkt = can_split = 0; |
4630dfd1 |
|
2deafd98 |
if (is_ref_pkt) { |
d5d2632e |
if (vs->end_pts == AV_NOPTS_VALUE)
vs->end_pts = pkt->pts; |
92a32d07 |
if (vs->new_start) {
vs->new_start = 0;
vs->duration = (double)(pkt->pts - vs->end_pts) |
2deafd98 |
* st->time_base.num / st->time_base.den; |
92a32d07 |
vs->dpp = (double)(pkt->duration) * st->time_base.num / st->time_base.den; |
2deafd98 |
} else { |
e90ad882 |
if (pkt->duration) { |
92a32d07 |
vs->duration += (double)(pkt->duration) * st->time_base.num / st->time_base.den; |
e90ad882 |
} else {
av_log(s, AV_LOG_WARNING, "pkt->duration = 0, maybe the hls segment duration will not precise\n"); |
92a32d07 |
vs->duration = (double)(pkt->pts - vs->end_pts) * st->time_base.num / st->time_base.den; |
e90ad882 |
} |
2deafd98 |
} |
22a0827d |
|
2deafd98 |
} |
92a32d07 |
if (vs->packets_written && can_split && av_compare_ts(pkt->pts - vs->start_pts, st->time_base, |
cf679b94 |
end_pts, AV_TIME_BASE_Q) >= 0) { |
f685f7d7 |
int64_t new_start_pos; |
92a32d07 |
char *old_filename = av_strdup(vs->avf->filename); |
d3ce067e |
int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0); |
b97e9cba |
if (!old_filename) {
return AVERROR(ENOMEM);
}
|
92a32d07 |
av_write_frame(vs->avf, NULL); /* Flush any buffered data */ |
f685f7d7 |
|
92a32d07 |
new_start_pos = avio_tell(vs->avf->pb);
vs->size = new_start_pos - vs->start_pos; |
f73ef374 |
|
d3ce067e |
if (!byterange_mode) { |
92a32d07 |
if (hls->segment_type == SEGMENT_TYPE_FMP4 && !vs->init_range_length) { |
880b2993 |
avio_flush(oc->pb);
range_length = avio_close_dyn_buf(oc->pb, &buffer); |
92a32d07 |
avio_write(vs->out, buffer, range_length);
vs->init_range_length = range_length; |
880b2993 |
avio_open_dyn_buf(&oc->pb); |
92a32d07 |
vs->packets_written = 0;
ff_format_io_close(s, &vs->out); |
815e34b5 |
hlsenc_io_close(s, &vs->out, vs->base_output_dirname); |
880b2993 |
} else { |
815e34b5 |
hlsenc_io_close(s, &oc->pb, oc->filename); |
880b2993 |
} |
92a32d07 |
if (vs->vtt_avf) { |
815e34b5 |
hlsenc_io_close(s, &vs->vtt_avf->pb, vs->vtt_avf->filename); |
d3ce067e |
} |
4507f29e |
} |
f73ef374 |
if ((hls->flags & HLS_TEMP_FILE) && oc->filename[0]) {
if (!(hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size <= 0)) |
92a32d07 |
if ((vs->avf->oformat->priv_class && vs->avf->priv_data) && hls->segment_type != SEGMENT_TYPE_FMP4)
av_opt_set(vs->avf->priv_data, "mpegts_flags", "resend_headers", 0); |
f73ef374 |
hls_rename_temp_file(s, oc);
}
|
92a32d07 |
if (vs->fmp4_init_mode) {
vs->number--; |
274bd167 |
}
|
92a32d07 |
if (!vs->fmp4_init_mode || byterange_mode)
ret = hls_append_segment(s, hls, vs, vs->duration, vs->start_pos, vs->size);
vs->start_pos = new_start_pos; |
b97e9cba |
if (ret < 0) {
av_free(old_filename); |
6dd93ee6 |
return ret; |
b97e9cba |
} |
6dd93ee6 |
|
92a32d07 |
vs->end_pts = pkt->pts;
vs->duration = 0; |
22a0827d |
|
92a32d07 |
vs->fmp4_init_mode = 0; |
f685f7d7 |
if (hls->flags & HLS_SINGLE_FILE) { |
92a32d07 |
vs->number++; |
1212e346 |
} else if (hls->max_seg_size > 0) { |
92a32d07 |
if (vs->start_pos >= hls->max_seg_size) {
vs->sequence++;
sls_flag_file_rename(hls, vs, old_filename);
ret = hls_start(s, vs);
vs->start_pos = 0; |
1212e346 |
/* When split segment by byte, the duration is short than hls_time,
* so it is not enough one segment duration as hls_time, */ |
92a32d07 |
vs->number--; |
1212e346 |
} |
92a32d07 |
vs->number++; |
f685f7d7 |
} else { |
92a32d07 |
sls_flag_file_rename(hls, vs, old_filename);
ret = hls_start(s, vs); |
f685f7d7 |
} |
7355c1dd |
av_free(old_filename); |
22a0827d |
|
b97e9cba |
if (ret < 0) { |
22a0827d |
return ret; |
b97e9cba |
} |
22a0827d |
|
92a32d07 |
if (!vs->fmp4_init_mode || byterange_mode)
if ((ret = hls_window(s, 0, vs)) < 0) { |
738b29cf |
return ret;
} |
22a0827d |
}
|
92a32d07 |
vs->packets_written++; |
379ddc6a |
ret = ff_write_chained(oc, stream_index, pkt, s, 0); |
22a0827d |
return ret;
}
static int hls_write_trailer(struct AVFormatContext *s)
{
HLSContext *hls = s->priv_data; |
92a32d07 |
AVFormatContext *oc = NULL;
AVFormatContext *vtt_oc = NULL;
char *old_filename = NULL;
int i;
VariantStream *vs = NULL;
for (i = 0; i < hls->nb_varstreams; i++) {
vs = &hls->var_streams[i];
oc = vs->avf;
vtt_oc = vs->vtt_avf;
old_filename = av_strdup(vs->avf->filename); |
b97e9cba |
if (!old_filename) {
return AVERROR(ENOMEM);
}
|
22a0827d |
av_write_trailer(oc); |
92a596f1 |
if (oc->pb) { |
92a32d07 |
vs->size = avio_tell(vs->avf->pb) - vs->start_pos; |
bc9a5965 |
ff_format_io_close(s, &oc->pb); |
f73ef374 |
if ((hls->flags & HLS_TEMP_FILE) && oc->filename[0]) {
hls_rename_temp_file(s, oc);
}
|
2deafd98 |
/* after av_write_trailer, then duration + 1 duration per packet */ |
92a32d07 |
hls_append_segment(s, hls, vs, vs->duration + vs->dpp, vs->start_pos, vs->size); |
92a596f1 |
} |
379ddc6a |
|
92a32d07 |
sls_flag_file_rename(hls, vs, old_filename); |
606eac7b |
|
379ddc6a |
if (vtt_oc) {
if (vtt_oc->pb)
av_write_trailer(vtt_oc); |
92a32d07 |
vs->size = avio_tell(vs->vtt_avf->pb) - vs->start_pos; |
bc9a5965 |
ff_format_io_close(s, &vtt_oc->pb); |
379ddc6a |
} |
92a32d07 |
av_freep(&vs->basename);
av_freep(&vs->base_output_dirname); |
530eb6ac |
avformat_free_context(oc); |
379ddc6a |
|
92a32d07 |
vs->avf = NULL;
hls_window(s, 1, vs); |
cefce6e2 |
|
92a32d07 |
av_freep(&vs->fmp4_init_filename); |
379ddc6a |
if (vtt_oc) { |
92a32d07 |
av_freep(&vs->vtt_basename);
av_freep(&vs->vtt_m3u8_name); |
379ddc6a |
avformat_free_context(vtt_oc);
}
|
92a32d07 |
hls_free_segments(vs->segments);
hls_free_segments(vs->old_segments); |
b97e9cba |
av_free(old_filename); |
92a32d07 |
av_freep(&vs->m3u8_name);
av_freep(&vs->streams);
av_freep(&vs->baseurl);
}
av_freep(&hls->key_basename);
av_freep(&hls->var_streams); |
77ab1d7b |
av_freep(&hls->master_m3u8_url); |
22a0827d |
return 0;
}
#define OFFSET(x) offsetof(HLSContext, x)
#define E AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = { |
8522dd38 |
{"start_number", "set first number in the sequence", OFFSET(start_sequence),AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, E}, |
aed58f6a |
{"hls_time", "set segment length in seconds", OFFSET(time), AV_OPT_TYPE_FLOAT, {.dbl = 2}, 0, FLT_MAX, E}, |
557ad3a4 |
{"hls_init_time", "set segment length in seconds at init list", OFFSET(init_time), AV_OPT_TYPE_FLOAT, {.dbl = 0}, 0, FLT_MAX, E}, |
706fcffc |
{"hls_list_size", "set maximum number of playlist entries", OFFSET(max_nb_segments), AV_OPT_TYPE_INT, {.i64 = 5}, 0, INT_MAX, E}, |
2c21e8b1 |
{"hls_ts_options","set hls mpegts list of options for the container format used for hls", OFFSET(format_options_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E}, |
379ddc6a |
{"hls_vtt_options","set hls vtt list of options for the container format used for hls", OFFSET(vtt_format_options_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E}, |
d96ebc5e |
#if FF_API_HLS_WRAP
{"hls_wrap", "set number after which the index wraps (will be deprecated)", OFFSET(wrap), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, E},
#endif |
3edb9aae |
{"hls_allow_cache", "explicitly set whether the client MAY (1) or MUST NOT (0) cache media segments", OFFSET(allowcache), AV_OPT_TYPE_INT, {.i64 = -1}, INT_MIN, INT_MAX, E}, |
5a70a783 |
{"hls_base_url", "url to prepend to each playlist entry", OFFSET(baseurl), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E}, |
1c639fa6 |
{"hls_segment_filename", "filename template for segment files", OFFSET(segment_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E}, |
1212e346 |
{"hls_segment_size", "maximum size per segment file, (in bytes)", OFFSET(max_seg_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, E}, |
907ac20a |
{"hls_key_info_file", "file with key URI and key file path", OFFSET(key_info_file), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E}, |
5caaa3a4 |
{"hls_enc", "enable AES128 encryption support", OFFSET(encrypt), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, E},
{"hls_enc_key", "hex-coded 16 byte key to encrypt the segments", OFFSET(key), AV_OPT_TYPE_STRING, .flags = E},
{"hls_enc_key_url", "url to access the key to decrypt the segments", OFFSET(key_url), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
{"hls_enc_iv", "hex-coded 16 byte initialization vector", OFFSET(iv), AV_OPT_TYPE_STRING, .flags = E}, |
379ddc6a |
{"hls_subtitle_path", "set path of hls subtitles", OFFSET(subtitle_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E}, |
d01b8f86 |
{"hls_segment_type", "set hls segment files type", OFFSET(segment_type), AV_OPT_TYPE_INT, {.i64 = SEGMENT_TYPE_MPEGTS }, 0, SEGMENT_TYPE_FMP4, E, "segment_type"}, |
274bd167 |
{"mpegts", "make segment file to mpegts files in m3u8", 0, AV_OPT_TYPE_CONST, {.i64 = SEGMENT_TYPE_MPEGTS }, 0, UINT_MAX, E, "segment_type"}, |
d01b8f86 |
{"fmp4", "make segment file to fragment mp4 files in m3u8", 0, AV_OPT_TYPE_CONST, {.i64 = SEGMENT_TYPE_FMP4 }, 0, UINT_MAX, E, "segment_type"}, |
274bd167 |
{"hls_fmp4_init_filename", "set fragment mp4 file init filename", OFFSET(fmp4_init_filename), AV_OPT_TYPE_STRING, {.str = "init.mp4"}, 0, 0, E}, |
f685f7d7 |
{"hls_flags", "set flags affecting HLS playlist and media file generation", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = 0 }, 0, UINT_MAX, E, "flags"},
{"single_file", "generate a single media file indexed with byte ranges", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SINGLE_FILE }, 0, UINT_MAX, E, "flags"}, |
606eac7b |
{"temp_file", "write segment to temporary file and rename when complete", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_TEMP_FILE }, 0, UINT_MAX, E, "flags"}, |
97b65f61 |
{"delete_segments", "delete segment files that are no longer part of the playlist", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_DELETE_SEGMENTS }, 0, UINT_MAX, E, "flags"}, |
8fd01b4a |
{"round_durations", "round durations in m3u8 to whole numbers", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_ROUND_DURATIONS }, 0, UINT_MAX, E, "flags"}, |
572a8292 |
{"discont_start", "start the playlist with a discontinuity tag", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_DISCONT_START }, 0, UINT_MAX, E, "flags"}, |
4f2fcac2 |
{"omit_endlist", "Do not append an endlist when ending stream", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_OMIT_ENDLIST }, 0, UINT_MAX, E, "flags"}, |
b45a976e |
{"split_by_time", "split the hls segment by time which user set by hls_time", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SPLIT_BY_TIME }, 0, UINT_MAX, E, "flags"}, |
445c30ba |
{"append_list", "append the new segments into old hls segment list", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_APPEND_LIST }, 0, UINT_MAX, E, "flags"}, |
2793ebd6 |
{"program_date_time", "add EXT-X-PROGRAM-DATE-TIME", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PROGRAM_DATE_TIME }, 0, UINT_MAX, E, "flags"}, |
0ff8c6b6 |
{"second_level_segment_index", "include segment index in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_INDEX }, 0, UINT_MAX, E, "flags"}, |
557c0df9 |
{"second_level_segment_duration", "include segment duration in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_DURATION }, 0, UINT_MAX, E, "flags"},
{"second_level_segment_size", "include segment size in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_SIZE }, 0, UINT_MAX, E, "flags"}, |
eabeb909 |
{"periodic_rekey", "reload keyinfo file periodically for re-keying", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PERIODIC_REKEY }, 0, UINT_MAX, E, "flags"}, |
efb51c8e |
{"independent_segments", "add EXT-X-INDEPENDENT-SEGMENTS, whenever applicable", 0, AV_OPT_TYPE_CONST, { .i64 = HLS_INDEPENDENT_SEGMENTS }, 0, UINT_MAX, E, "flags"}, |
6c31c992 |
{"use_localtime", "set filename expansion with strftime at segment creation", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
{"use_localtime_mkdir", "create last directory component in strftime-generated filename", OFFSET(use_localtime_mkdir), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E }, |
77e355ff |
{"hls_playlist_type", "set the HLS playlist type", OFFSET(pl_type), AV_OPT_TYPE_INT, {.i64 = PLAYLIST_TYPE_NONE }, 0, PLAYLIST_TYPE_NB-1, E, "pl_type" },
{"event", "EVENT playlist", 0, AV_OPT_TYPE_CONST, {.i64 = PLAYLIST_TYPE_EVENT }, INT_MIN, INT_MAX, E, "pl_type" },
{"vod", "VOD playlist", 0, AV_OPT_TYPE_CONST, {.i64 = PLAYLIST_TYPE_VOD }, INT_MIN, INT_MAX, E, "pl_type" }, |
965f35b1 |
{"method", "set the HTTP method(default: PUT)", OFFSET(method), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E}, |
57789cfb |
{"hls_start_number_source", "set source of first number in sequence", OFFSET(start_sequence_source_type), AV_OPT_TYPE_INT, {.i64 = HLS_START_SEQUENCE_AS_START_NUMBER }, 0, HLS_START_SEQUENCE_AS_FORMATTED_DATETIME, E, "start_sequence_source_type" },
{"generic", "start_number value (default)", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_START_NUMBER }, INT_MIN, INT_MAX, E, "start_sequence_source_type" },
{"epoch", "seconds since epoch", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH }, INT_MIN, INT_MAX, E, "start_sequence_source_type" },
{"datetime", "current datetime as YYYYMMDDhhmmss", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_FORMATTED_DATETIME }, INT_MIN, INT_MAX, E, "start_sequence_source_type" }, |
837c55e0 |
{"http_user_agent", "override User-Agent field in HTTP header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E}, |
92a32d07 |
{"var_stream_map", "Variant stream map string", OFFSET(var_stream_map), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E}, |
77ab1d7b |
{"master_pl_name", "Create HLS master playlist with this name", OFFSET(master_pl_name), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
{"master_pl_publish_rate", "Publish master play list every after this many segment intervals", OFFSET(master_publish_rate), AV_OPT_TYPE_INT, {.i64 = 0}, 0, UINT_MAX, E}, |
815e34b5 |
{"http_persistent", "Use persistent HTTP connections", OFFSET(http_persistent), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E }, |
22a0827d |
{ NULL },
};
static const AVClass hls_class = {
.class_name = "hls muxer",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
AVOutputFormat ff_hls_muxer = {
.name = "hls", |
adbe0307 |
.long_name = NULL_IF_CONFIG_SMALL("Apple HTTP Live Streaming"), |
22a0827d |
.extensions = "m3u8",
.priv_data_size = sizeof(HLSContext), |
34e2ce5d |
.audio_codec = AV_CODEC_ID_AAC,
.video_codec = AV_CODEC_ID_H264, |
379ddc6a |
.subtitle_codec = AV_CODEC_ID_WEBVTT, |
274bd167 |
.flags = AVFMT_NOFILE | AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, |
22a0827d |
.write_header = hls_write_header,
.write_packet = hls_write_packet,
.write_trailer = hls_write_trailer,
.priv_class = &hls_class,
}; |