03cfe134 |
/*
* Image format |
406792e7 |
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
03cfe134 |
* Copyright (c) 2004 Michael Niedermayer
* |
b78e7197 |
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or |
03cfe134 |
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either |
b78e7197 |
* version 2.1 of the License, or (at your option) any later version. |
03cfe134 |
* |
b78e7197 |
* FFmpeg is distributed in the hope that it will be useful, |
03cfe134 |
* 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 |
b78e7197 |
* License along with FFmpeg; if not, write to the Free Software |
5509bffa |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
03cfe134 |
*/ |
245976da |
|
c91662ce |
#include "libavutil/intreadwrite.h" |
245976da |
#include "libavutil/avstring.h" |
f33e2a51 |
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h" |
a915bf64 |
#include "libavutil/parseutils.h" |
03cfe134 |
#include "avformat.h" |
32442930 |
#include "avio_internal.h" |
a9bf9d8e |
#include "internal.h" |
3375a6a5 |
#include <strings.h> |
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typedef struct { |
f33e2a51 |
const AVClass *class; /**< Class for private options. */ |
03cfe134 |
int img_first;
int img_last;
int img_number;
int img_count;
int is_pipe; |
0bb240ac |
int split_planes; /**< use independent file for each Y, U, V plane */ |
03cfe134 |
char path[1024]; |
f33e2a51 |
char *pixel_format; /**< Set by a private option. */ |
a915bf64 |
char *video_size; /**< Set by a private option. */ |
abcedfac |
char *framerate; /**< Set by a private option. */ |
03cfe134 |
} VideoData;
typedef struct {
enum CodecID id;
const char *str;
} IdStrMap;
static const IdStrMap img_tags[] = {
{ CODEC_ID_MJPEG , "jpeg"},
{ CODEC_ID_MJPEG , "jpg"}, |
a481293f |
{ CODEC_ID_LJPEG , "ljpg"}, |
4eff7cf4 |
{ CODEC_ID_PNG , "png"}, |
042e0add |
{ CODEC_ID_PNG , "mng"}, |
5b6d5596 |
{ CODEC_ID_PPM , "ppm"}, |
485cfbe8 |
{ CODEC_ID_PPM , "pnm"}, |
5b6d5596 |
{ CODEC_ID_PGM , "pgm"},
{ CODEC_ID_PGMYUV , "pgmyuv"},
{ CODEC_ID_PBM , "pbm"},
{ CODEC_ID_PAM , "pam"}, |
03cfe134 |
{ CODEC_ID_MPEG1VIDEO, "mpg1-img"},
{ CODEC_ID_MPEG2VIDEO, "mpg2-img"},
{ CODEC_ID_MPEG4 , "mpg4-img"},
{ CODEC_ID_FFV1 , "ffv1-img"}, |
55cf1959 |
{ CODEC_ID_RAWVIDEO , "y"}, |
607cd90c |
{ CODEC_ID_RAWVIDEO , "raw"}, |
9fa62f2a |
{ CODEC_ID_BMP , "bmp"}, |
6f9e492a |
{ CODEC_ID_GIF , "gif"}, |
79f7c32f |
{ CODEC_ID_TARGA , "tga"},
{ CODEC_ID_TIFF , "tiff"}, |
dd0f776c |
{ CODEC_ID_TIFF , "tif"}, |
2d99eed1 |
{ CODEC_ID_SGI , "sgi"}, |
8d2fb333 |
{ CODEC_ID_PTX , "ptx"}, |
b4abe1d1 |
{ CODEC_ID_PCX , "pcx"}, |
d43df959 |
{ CODEC_ID_SUNRAST , "sun"},
{ CODEC_ID_SUNRAST , "ras"},
{ CODEC_ID_SUNRAST , "rs"},
{ CODEC_ID_SUNRAST , "im1"},
{ CODEC_ID_SUNRAST , "im8"},
{ CODEC_ID_SUNRAST , "im24"},
{ CODEC_ID_SUNRAST , "sunras"}, |
884f678c |
{ CODEC_ID_JPEG2000 , "j2k"}, |
8b2386dc |
{ CODEC_ID_JPEG2000 , "jp2"}, |
83654c7b |
{ CODEC_ID_JPEG2000 , "jpc"}, |
94d3d6a4 |
{ CODEC_ID_DPX , "dpx"}, |
971c3c98 |
{ CODEC_ID_PICTOR , "pic"}, |
d9133126 |
{ CODEC_ID_NONE , NULL} |
03cfe134 |
};
|
aecf157e |
static const int sizes[][2] = { |
55cf1959 |
{ 640, 480 },
{ 720, 480 },
{ 720, 576 },
{ 352, 288 },
{ 352, 240 },
{ 160, 128 },
{ 512, 384 },
{ 640, 352 },
{ 640, 240 },
};
static int infer_size(int *width_ptr, int *height_ptr, int size)
{
int i;
|
37d3e066 |
for(i=0;i<FF_ARRAY_ELEMS(sizes);i++) { |
55cf1959 |
if ((sizes[i][0] * sizes[i][1]) == size) {
*width_ptr = sizes[i][0];
*height_ptr = sizes[i][1];
return 0;
}
}
return -1;
} |
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static enum CodecID av_str2id(const IdStrMap *tags, const char *str)
{ |
3ed02129 |
str= strrchr(str, '.');
if(!str) return CODEC_ID_NONE;
str++; |
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while (tags->id) { |
3375a6a5 |
if (!strcasecmp(str, tags->str))
return tags->id; |
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tags++;
}
return CODEC_ID_NONE;
}
/* return -1 if no image found */ |
115329f1 |
static int find_image_range(int *pfirst_index, int *plast_index, |
03cfe134 |
const char *path)
{
char buf[1024];
int range, last_index, range1, first_index;
/* find the first image */
for(first_index = 0; first_index < 5; first_index++) { |
5c07cf53 |
if (av_get_frame_filename(buf, sizeof(buf), path, first_index) < 0){ |
115329f1 |
*pfirst_index = |
61fb3183 |
*plast_index = 1; |
c671ac40 |
if(url_exist(buf))
return 0;
return -1; |
61fb3183 |
} |
03cfe134 |
if (url_exist(buf))
break;
}
if (first_index == 5)
goto fail; |
115329f1 |
|
03cfe134 |
/* find the last image */
last_index = first_index;
for(;;) {
range = 0;
for(;;) {
if (!range)
range1 = 1;
else
range1 = 2 * range; |
5c07cf53 |
if (av_get_frame_filename(buf, sizeof(buf), path,
last_index + range1) < 0) |
03cfe134 |
goto fail;
if (!url_exist(buf))
break;
range = range1;
/* just in case... */
if (range >= (1 << 30))
goto fail;
}
/* we are sure than image last_index + range exists */
if (!range)
break;
last_index += range;
}
*pfirst_index = first_index;
*plast_index = last_index;
return 0;
fail:
return -1;
}
|
ac6d020f |
static int read_probe(AVProbeData *p) |
03cfe134 |
{ |
e825b500 |
if (p->filename && av_str2id(img_tags, p->filename)) { |
d1e8675c |
if (av_filename_number_test(p->filename))
return AVPROBE_SCORE_MAX;
else
return AVPROBE_SCORE_MAX/2;
}
return 0; |
03cfe134 |
}
|
a9bf9d8e |
enum CodecID ff_guess_image2_codec(const char *filename)
{
return av_str2id(img_tags, filename);
}
#if FF_API_GUESS_IMG2_CODEC |
5b6d5596 |
enum CodecID av_guess_image2_codec(const char *filename){
return av_str2id(img_tags, filename);
} |
a9bf9d8e |
#endif |
5b6d5596 |
|
ac6d020f |
static int read_header(AVFormatContext *s1, AVFormatParameters *ap) |
03cfe134 |
{
VideoData *s = s1->priv_data; |
a915bf64 |
int first_index, last_index, ret = 0;
int width = 0, height = 0; |
03cfe134 |
AVStream *st; |
f33e2a51 |
enum PixelFormat pix_fmt = PIX_FMT_NONE; |
abcedfac |
AVRational framerate; |
03cfe134 |
s1->ctx_flags |= AVFMTCTX_NOHEADER;
st = av_new_stream(s1, 0);
if (!st) { |
8fa36ae0 |
return AVERROR(ENOMEM); |
03cfe134 |
}
|
f33e2a51 |
if (s->pixel_format && (pix_fmt = av_get_pix_fmt(s->pixel_format)) == PIX_FMT_NONE) {
av_log(s1, AV_LOG_ERROR, "No such pixel format: %s.\n", s->pixel_format);
return AVERROR(EINVAL);
} |
a915bf64 |
if (s->video_size && (ret = av_parse_video_size(&width, &height, s->video_size)) < 0) {
av_log(s, AV_LOG_ERROR, "Could not parse video size: %s.\n", s->video_size);
return ret;
} |
abcedfac |
if ((ret = av_parse_video_rate(&framerate, s->framerate)) < 0) {
av_log(s, AV_LOG_ERROR, "Could not parse framerate: %s.\n", s->framerate);
return ret;
} |
f33e2a51 |
#if FF_API_FORMAT_PARAMETERS
if (ap->pix_fmt != PIX_FMT_NONE)
pix_fmt = ap->pix_fmt; |
a915bf64 |
if (ap->width > 0)
width = ap->width;
if (ap->height > 0)
height = ap->height; |
abcedfac |
if (ap->time_base.num)
framerate = (AVRational){ap->time_base.den, ap->time_base.num}; |
f33e2a51 |
#endif
|
75e61b0e |
av_strlcpy(s->path, s1->filename, sizeof(s->path)); |
03cfe134 |
s->img_number = 0;
s->img_count = 0; |
115329f1 |
|
03cfe134 |
/* find format */
if (s1->iformat->flags & AVFMT_NOFILE)
s->is_pipe = 0; |
146210ca |
else{ |
03cfe134 |
s->is_pipe = 1; |
57004ff1 |
st->need_parsing = AVSTREAM_PARSE_FULL; |
146210ca |
} |
115329f1 |
|
abcedfac |
av_set_pts_info(st, 60, framerate.den, framerate.num); |
115329f1 |
|
a915bf64 |
if (width && height) {
st->codec->width = width;
st->codec->height = height; |
55cf1959 |
} |
115329f1 |
|
03cfe134 |
if (!s->is_pipe) {
if (find_image_range(&first_index, &last_index, s->path) < 0) |
c671ac40 |
return AVERROR(ENOENT); |
03cfe134 |
s->img_first = first_index;
s->img_last = last_index;
s->img_number = first_index;
/* compute duration */
st->start_time = 0; |
c0df9d75 |
st->duration = last_index - first_index + 1; |
03cfe134 |
} |
115329f1 |
|
90d0379f |
if(s1->video_codec_id){ |
72415b2a |
st->codec->codec_type = AVMEDIA_TYPE_VIDEO; |
90d0379f |
st->codec->codec_id = s1->video_codec_id;
}else if(s1->audio_codec_id){ |
72415b2a |
st->codec->codec_type = AVMEDIA_TYPE_AUDIO; |
90d0379f |
st->codec->codec_id = s1->audio_codec_id; |
5b6d5596 |
}else{ |
0bb240ac |
const char *str= strrchr(s->path, '.');
s->split_planes = str && !strcasecmp(str + 1, "y"); |
72415b2a |
st->codec->codec_type = AVMEDIA_TYPE_VIDEO; |
01f4895c |
st->codec->codec_id = av_str2id(img_tags, s->path); |
5b6d5596 |
} |
f33e2a51 |
if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO && pix_fmt != PIX_FMT_NONE)
st->codec->pix_fmt = pix_fmt; |
03cfe134 |
return 0;
}
|
ac6d020f |
static int read_packet(AVFormatContext *s1, AVPacket *pkt) |
03cfe134 |
{
VideoData *s = s1->priv_data;
char filename[1024]; |
55cf1959 |
int i;
int size[3]={0}, ret[3]={0}; |
471fe57e |
AVIOContext *f[3]; |
01f4895c |
AVCodecContext *codec= s1->streams[0]->codec; |
03cfe134 |
if (!s->is_pipe) {
/* loop over input */ |
5894e1bb |
if (s1->loop_input && s->img_number > s->img_last) { |
03cfe134 |
s->img_number = s->img_first; |
b339fb00 |
} |
e4b8d05d |
if (s->img_number > s->img_last)
return AVERROR_EOF; |
5c07cf53 |
if (av_get_frame_filename(filename, sizeof(filename),
s->path, s->img_number)<0 && s->img_number > 1) |
6f3e0b21 |
return AVERROR(EIO); |
55cf1959 |
for(i=0; i<3; i++){ |
f87b1b37 |
if (avio_open(&f[i], filename, AVIO_RDONLY) < 0) { |
c5113129 |
if(i==1)
break; |
9ed3afcb |
av_log(s1, AV_LOG_ERROR, "Could not open file : %s\n",filename); |
6f3e0b21 |
return AVERROR(EIO); |
9ed3afcb |
} |
db44ea96 |
size[i]= avio_size(f[i]); |
115329f1 |
|
0bb240ac |
if(!s->split_planes) |
55cf1959 |
break;
filename[ strlen(filename) - 1 ]= 'U' + i;
} |
115329f1 |
|
55cf1959 |
if(codec->codec_id == CODEC_ID_RAWVIDEO && !codec->width)
infer_size(&codec->width, &codec->height, size[0]); |
03cfe134 |
} else { |
899681cd |
f[0] = s1->pb; |
55cf1959 |
if (url_feof(f[0])) |
6f3e0b21 |
return AVERROR(EIO); |
55cf1959 |
size[0]= 4096; |
03cfe134 |
}
|
55cf1959 |
av_new_packet(pkt, size[0] + size[1] + size[2]); |
03cfe134 |
pkt->stream_index = 0; |
cc947f04 |
pkt->flags |= AV_PKT_FLAG_KEY; |
03cfe134 |
|
55cf1959 |
pkt->size= 0;
for(i=0; i<3; i++){
if(size[i]){ |
e63a3628 |
ret[i]= avio_read(f[i], pkt->data + pkt->size, size[i]); |
55cf1959 |
if (!s->is_pipe) |
ebb92e07 |
avio_close(f[i]); |
55cf1959 |
if(ret[i]>0)
pkt->size += ret[i];
} |
03cfe134 |
}
|
55cf1959 |
if (ret[0] <= 0 || ret[1]<0 || ret[2]<0) { |
03cfe134 |
av_free_packet(pkt); |
6f3e0b21 |
return AVERROR(EIO); /* signal EOF */ |
03cfe134 |
} else {
s->img_count++;
s->img_number++;
return 0;
}
}
|
b250f9c6 |
#if CONFIG_IMAGE2_MUXER || CONFIG_IMAGE2PIPE_MUXER |
03cfe134 |
/******************************************************/
/* image output */
|
ac6d020f |
static int write_header(AVFormatContext *s) |
03cfe134 |
{
VideoData *img = s->priv_data; |
0bb240ac |
const char *str; |
03cfe134 |
img->img_number = 1; |
75e61b0e |
av_strlcpy(img->path, s->filename, sizeof(img->path)); |
03cfe134 |
/* find format */
if (s->oformat->flags & AVFMT_NOFILE)
img->is_pipe = 0;
else
img->is_pipe = 1; |
115329f1 |
|
0bb240ac |
str = strrchr(img->path, '.');
img->split_planes = str && !strcasecmp(str + 1, "y"); |
03cfe134 |
return 0;
}
|
ac6d020f |
static int write_packet(AVFormatContext *s, AVPacket *pkt) |
03cfe134 |
{
VideoData *img = s->priv_data; |
471fe57e |
AVIOContext *pb[3]; |
03cfe134 |
char filename[1024]; |
01f4895c |
AVCodecContext *codec= s->streams[ pkt->stream_index ]->codec; |
55cf1959 |
int i; |
03cfe134 |
if (!img->is_pipe) { |
5c07cf53 |
if (av_get_frame_filename(filename, sizeof(filename), |
77df894a |
img->path, img->img_number) < 0 && img->img_number>1) { |
b5a7100a |
av_log(s, AV_LOG_ERROR,
"Could not get frame filename number %d from pattern '%s'\n",
img->img_number, img->path); |
9bf81b49 |
return AVERROR(EINVAL); |
77df894a |
} |
55cf1959 |
for(i=0; i<3; i++){ |
f87b1b37 |
if (avio_open(&pb[i], filename, AVIO_WRONLY) < 0) { |
9ed3afcb |
av_log(s, AV_LOG_ERROR, "Could not open file : %s\n",filename); |
6f3e0b21 |
return AVERROR(EIO); |
9ed3afcb |
} |
115329f1 |
|
0bb240ac |
if(!img->split_planes) |
55cf1959 |
break;
filename[ strlen(filename) - 1 ]= 'U' + i;
} |
03cfe134 |
} else { |
899681cd |
pb[0] = s->pb; |
03cfe134 |
} |
115329f1 |
|
0bb240ac |
if(img->split_planes){ |
2c34596f |
int ysize = codec->width * codec->height; |
e9eb8d0b |
avio_write(pb[0], pkt->data , ysize);
avio_write(pb[1], pkt->data + ysize, (pkt->size - ysize)/2);
avio_write(pb[2], pkt->data + ysize +(pkt->size - ysize)/2, (pkt->size - ysize)/2); |
b7f2fdde |
avio_flush(pb[1]);
avio_flush(pb[2]); |
ebb92e07 |
avio_close(pb[1]);
avio_close(pb[2]); |
55cf1959 |
}else{ |
b4097b13 |
if(av_str2id(img_tags, s->filename) == CODEC_ID_JPEG2000){
AVStream *st = s->streams[0];
if(st->codec->extradata_size > 8 &&
AV_RL32(st->codec->extradata+4) == MKTAG('j','p','2','h')){
if(pkt->size < 8 || AV_RL32(pkt->data+4) != MKTAG('j','p','2','c'))
goto error; |
e9eb8d0b |
avio_wb32(pb[0], 12); |
32442930 |
ffio_wfourcc(pb[0], "jP "); |
e9eb8d0b |
avio_wb32(pb[0], 0x0D0A870A); // signature
avio_wb32(pb[0], 20); |
32442930 |
ffio_wfourcc(pb[0], "ftyp");
ffio_wfourcc(pb[0], "jp2 "); |
e9eb8d0b |
avio_wb32(pb[0], 0); |
32442930 |
ffio_wfourcc(pb[0], "jp2 "); |
e9eb8d0b |
avio_write(pb[0], st->codec->extradata, st->codec->extradata_size); |
b4097b13 |
}else if(pkt->size < 8 ||
(!st->codec->extradata_size &&
AV_RL32(pkt->data+4) != MKTAG('j','P',' ',' '))){ // signature
error:
av_log(s, AV_LOG_ERROR, "malformated jpeg2000 codestream\n");
return -1;
}
} |
e9eb8d0b |
avio_write(pb[0], pkt->data, pkt->size); |
55cf1959 |
} |
b7f2fdde |
avio_flush(pb[0]); |
03cfe134 |
if (!img->is_pipe) { |
ebb92e07 |
avio_close(pb[0]); |
03cfe134 |
}
img->img_number++;
return 0;
}
|
b250f9c6 |
#endif /* CONFIG_IMAGE2_MUXER || CONFIG_IMAGE2PIPE_MUXER */ |
8228bff5 |
|
f33e2a51 |
#define OFFSET(x) offsetof(VideoData, x)
#define DEC AV_OPT_FLAG_DECODING_PARAM
static const AVOption options[] = {
{ "pixel_format", "", OFFSET(pixel_format), FF_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC }, |
a915bf64 |
{ "video_size", "", OFFSET(video_size), FF_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC }, |
abcedfac |
{ "framerate", "", OFFSET(framerate), FF_OPT_TYPE_STRING, {.str = "25"}, 0, 0, DEC }, |
f33e2a51 |
{ NULL },
};
static const AVClass img2_class = {
.class_name = "image2 demuxer",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
|
03cfe134 |
/* input */ |
b250f9c6 |
#if CONFIG_IMAGE2_DEMUXER |
66355be3 |
AVInputFormat ff_image2_demuxer = { |
85f56757 |
.name = "image2",
.long_name = NULL_IF_CONFIG_SMALL("image2 sequence"), |
ac6d020f |
.priv_data_size = sizeof(VideoData), |
85f56757 |
.read_probe = read_probe,
.read_header = read_header,
.read_packet = read_packet,
.flags = AVFMT_NOFILE, |
f33e2a51 |
.priv_class = &img2_class, |
03cfe134 |
}; |
ff70e601 |
#endif |
b250f9c6 |
#if CONFIG_IMAGE2PIPE_DEMUXER |
66355be3 |
AVInputFormat ff_image2pipe_demuxer = { |
85f56757 |
.name = "image2pipe",
.long_name = NULL_IF_CONFIG_SMALL("piped image2 sequence"), |
ac6d020f |
.priv_data_size = sizeof(VideoData), |
85f56757 |
.read_header = read_header,
.read_packet = read_packet, |
f33e2a51 |
.priv_class = &img2_class, |
03cfe134 |
}; |
ff70e601 |
#endif |
03cfe134 |
/* output */ |
b250f9c6 |
#if CONFIG_IMAGE2_MUXER |
66355be3 |
AVOutputFormat ff_image2_muxer = { |
85f56757 |
.name = "image2",
.long_name = NULL_IF_CONFIG_SMALL("image2 sequence"), |
c178fdea |
.extensions = "bmp,dpx,jpeg,jpg,ljpg,pam,pbm,pcx,pgm,pgmyuv,png," |
85f56757 |
"ppm,sgi,tga,tif,tiff,jp2", |
ac6d020f |
.priv_data_size = sizeof(VideoData), |
85f56757 |
.video_codec = CODEC_ID_MJPEG,
.write_header = write_header,
.write_packet = write_packet,
.flags = AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS | AVFMT_NOFILE |
03cfe134 |
}; |
ff70e601 |
#endif |
b250f9c6 |
#if CONFIG_IMAGE2PIPE_MUXER |
66355be3 |
AVOutputFormat ff_image2pipe_muxer = { |
85f56757 |
.name = "image2pipe",
.long_name = NULL_IF_CONFIG_SMALL("piped image2 sequence"), |
ac6d020f |
.priv_data_size = sizeof(VideoData), |
85f56757 |
.video_codec = CODEC_ID_MJPEG,
.write_header = write_header,
.write_packet = write_packet,
.flags = AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS |
03cfe134 |
}; |
8228bff5 |
#endif |