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Diffstat (limited to 'contrib/ffmpeg/libavformat/raw.c')
-rw-r--r--contrib/ffmpeg/libavformat/raw.c216
1 files changed, 116 insertions, 100 deletions
diff --git a/contrib/ffmpeg/libavformat/raw.c b/contrib/ffmpeg/libavformat/raw.c
index 73a20379a..d4b138953 100644
--- a/contrib/ffmpeg/libavformat/raw.c
+++ b/contrib/ffmpeg/libavformat/raw.c
@@ -20,15 +20,11 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
-#include "ac3.h"
+#include "ac3_parser.h"
+#include "raw.h"
#ifdef CONFIG_MUXERS
/* simple formats */
-static int raw_write_header(struct AVFormatContext *s)
-{
- return 0;
-}
-
static int flac_write_header(struct AVFormatContext *s)
{
static const uint8_t header[8] = {
@@ -37,21 +33,29 @@ static int flac_write_header(struct AVFormatContext *s)
uint8_t *streaminfo = s->streams[0]->codec->extradata;
int len = s->streams[0]->codec->extradata_size;
if(streaminfo != NULL && len > 0) {
- put_buffer(&s->pb, header, 8);
- put_buffer(&s->pb, streaminfo, len);
+ put_buffer(s->pb, header, 8);
+ put_buffer(s->pb, streaminfo, len);
}
return 0;
}
-static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt)
+
+static int roq_write_header(struct AVFormatContext *s)
{
- put_buffer(&s->pb, pkt->data, pkt->size);
- put_flush_packet(&s->pb);
+ static const uint8_t header[] = {
+ 0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0x1E, 0x00
+ };
+
+ put_buffer(s->pb, header, 8);
+ put_flush_packet(s->pb);
+
return 0;
}
-static int raw_write_trailer(struct AVFormatContext *s)
+static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt)
{
+ put_buffer(s->pb, pkt->data, pkt->size);
+ put_flush_packet(s->pb);
return 0;
}
#endif //CONFIG_MUXERS
@@ -64,7 +68,7 @@ static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
st = av_new_stream(s, 0);
if (!st)
- return AVERROR_NOMEM;
+ return AVERROR(ENOMEM);
id = s->iformat->value;
if (id == CODEC_ID_RAWVIDEO) {
@@ -81,7 +85,10 @@ static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
av_set_pts_info(st, 64, 1, st->codec->sample_rate);
break;
case CODEC_TYPE_VIDEO:
- av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
+ if(ap->time_base.num)
+ av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
+ else
+ av_set_pts_info(st, 64, 1, 25);
st->codec->width = ap->width;
st->codec->height = ap->height;
st->codec->pix_fmt = ap->pix_fmt;
@@ -98,20 +105,26 @@ static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
{
- int ret, size;
+ int ret, size, bps;
// AVStream *st = s->streams[0];
size= RAW_PACKET_SIZE;
- ret= av_get_packet(&s->pb, pkt, size);
+ ret= av_get_packet(s->pb, pkt, size);
pkt->stream_index = 0;
if (ret <= 0) {
- return AVERROR_IO;
+ return AVERROR(EIO);
}
/* note: we need to modify the packet size here to handle the last
packet */
pkt->size = ret;
+
+ bps= av_get_bits_per_sample(s->streams[0]->codec->codec_id);
+ assert(bps); // if false there IS a bug elsewhere (NOT in this function)
+ pkt->dts=
+ pkt->pts= pkt->pos*8 / (bps * s->streams[0]->codec->channels);
+
return ret;
}
@@ -122,14 +135,14 @@ static int raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
size = RAW_PACKET_SIZE;
if (av_new_packet(pkt, size) < 0)
- return AVERROR_IO;
+ return AVERROR(EIO);
- pkt->pos= url_ftell(&s->pb);
+ pkt->pos= url_ftell(s->pb);
pkt->stream_index = 0;
- ret = get_partial_buffer(&s->pb, pkt->data, size);
+ ret = get_partial_buffer(s->pb, pkt->data, size);
if (ret <= 0) {
av_free_packet(pkt);
- return AVERROR_IO;
+ return AVERROR(EIO);
}
pkt->size = ret;
return ret;
@@ -140,32 +153,32 @@ static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
{
int ret, size, w, h, unk1, unk2;
- if (get_le32(&s->pb) != MKTAG('M', 'J', 'P', 'G'))
- return AVERROR_IO; // FIXME
+ if (get_le32(s->pb) != MKTAG('M', 'J', 'P', 'G'))
+ return AVERROR(EIO); // FIXME
- size = get_le32(&s->pb);
+ size = get_le32(s->pb);
- w = get_le16(&s->pb);
- h = get_le16(&s->pb);
+ w = get_le16(s->pb);
+ h = get_le16(s->pb);
- url_fskip(&s->pb, 8); // zero + size (padded?)
- url_fskip(&s->pb, 2);
- unk1 = get_le16(&s->pb);
- unk2 = get_le16(&s->pb);
- url_fskip(&s->pb, 22); // ascii timestamp
+ url_fskip(s->pb, 8); // zero + size (padded?)
+ url_fskip(s->pb, 2);
+ unk1 = get_le16(s->pb);
+ unk2 = get_le16(s->pb);
+ url_fskip(s->pb, 22); // ascii timestamp
av_log(NULL, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n",
size, w, h, unk1, unk2);
if (av_new_packet(pkt, size) < 0)
- return AVERROR_IO;
+ return AVERROR(EIO);
- pkt->pos = url_ftell(&s->pb);
+ pkt->pos = url_ftell(s->pb);
pkt->stream_index = 0;
- ret = get_buffer(&s->pb, pkt->data, size);
+ ret = get_buffer(s->pb, pkt->data, size);
if (ret <= 0) {
av_free_packet(pkt);
- return AVERROR_IO;
+ return AVERROR(EIO);
}
pkt->size = ret;
return ret;
@@ -202,7 +215,7 @@ int pcm_read_seek(AVFormatContext *s,
/* recompute exact position */
st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num);
- url_fseek(&s->pb, pos + s->data_offset, SEEK_SET);
+ url_fseek(s->pb, pos + s->data_offset, SEEK_SET);
return 0;
}
@@ -214,11 +227,11 @@ static int ac3_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
- return AVERROR_NOMEM;
+ return AVERROR(ENOMEM);
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_AC3;
- st->need_parsing = 1;
+ st->need_parsing = AVSTREAM_PARSE_FULL;
/* the parameters will be extracted from the compressed bitstream */
return 0;
}
@@ -230,10 +243,10 @@ static int shorten_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
- return AVERROR_NOMEM;
+ return AVERROR(ENOMEM);
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_SHORTEN;
- st->need_parsing = 1;
+ st->need_parsing = AVSTREAM_PARSE_FULL;
/* the parameters will be extracted from the compressed bitstream */
return 0;
}
@@ -246,10 +259,10 @@ static int flac_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
- return AVERROR_NOMEM;
+ return AVERROR(ENOMEM);
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_FLAC;
- st->need_parsing = 1;
+ st->need_parsing = AVSTREAM_PARSE_FULL;
/* the parameters will be extracted from the compressed bitstream */
return 0;
}
@@ -262,11 +275,11 @@ static int dts_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
- return AVERROR_NOMEM;
+ return AVERROR(ENOMEM);
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_DTS;
- st->need_parsing = 1;
+ st->need_parsing = AVSTREAM_PARSE_FULL;
/* the parameters will be extracted from the compressed bitstream */
return 0;
}
@@ -279,11 +292,11 @@ static int aac_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
- return AVERROR_NOMEM;
+ return AVERROR(ENOMEM);
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_AAC;
- st->need_parsing = 1;
+ st->need_parsing = AVSTREAM_PARSE_FULL;
/* the parameters will be extracted from the compressed bitstream */
return 0;
}
@@ -296,14 +309,14 @@ static int video_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
- return AVERROR_NOMEM;
+ return AVERROR(ENOMEM);
st->codec->codec_type = CODEC_TYPE_VIDEO;
st->codec->codec_id = s->iformat->value;
- st->need_parsing = 1;
+ st->need_parsing = AVSTREAM_PARSE_FULL;
/* for mjpeg, specify frame rate */
- /* for mpeg4 specify it too (most mpeg4 streams dont have the fixed_vop_rate set ...)*/
+ /* for mpeg4 specify it too (most mpeg4 streams do not have the fixed_vop_rate set ...)*/
if (ap->time_base.num) {
av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
} else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
@@ -347,32 +360,29 @@ static int mpegvideo_probe(AVProbeData *p)
return 0;
}
-#define VIDEO_OBJECT_START_CODE 0x00000100
-#define VIDEO_OBJECT_LAYER_START_CODE 0x00000120
#define VISUAL_OBJECT_START_CODE 0x000001b5
#define VOP_START_CODE 0x000001b6
static int mpeg4video_probe(AVProbeData *probe_packet)
{
uint32_t temp_buffer= -1;
- int VO=0, VOL=0, VOP = 0, VISO = 0;
+ int VO=0, VOL=0, VOP = 0, VISO = 0, res=0;
int i;
for(i=0; i<probe_packet->buf_size; i++){
temp_buffer = (temp_buffer<<8) + probe_packet->buf[i];
- if ((temp_buffer & 0xffffff00) == 0x100) {
- switch(temp_buffer){
- case VOP_START_CODE: VOP++; break;
- case VISUAL_OBJECT_START_CODE: VISO++; break;
- }
- switch(temp_buffer & 0xfffffff0){
- case VIDEO_OBJECT_START_CODE: VO++; break;
- case VIDEO_OBJECT_LAYER_START_CODE: VOL++; break;
- }
- }
+ if ((temp_buffer & 0xffffff00) != 0x100)
+ continue;
+
+ if (temp_buffer == VOP_START_CODE) VOP++;
+ else if (temp_buffer == VISUAL_OBJECT_START_CODE) VISO++;
+ else if (temp_buffer < 0x120) VO++;
+ else if (temp_buffer < 0x130) VOL++;
+ else if ( !(0x1AF < temp_buffer && temp_buffer < 0x1B7)
+ && !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++;
}
- if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0)
+ if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0)
return AVPROBE_SCORE_MAX/2;
return 0;
}
@@ -382,8 +392,6 @@ static int h263_probe(AVProbeData *p)
int code;
const uint8_t *d;
- if (p->buf_size < 6)
- return 0;
d = p->buf;
code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
if (code == 0x20) {
@@ -397,8 +405,6 @@ static int h261_probe(AVProbeData *p)
int code;
const uint8_t *d;
- if (p->buf_size < 6)
- return 0;
d = p->buf;
code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
if (code == 0x10) {
@@ -409,16 +415,13 @@ static int h261_probe(AVProbeData *p)
static int ac3_probe(AVProbeData *p)
{
- int max_frames, first_frames, frames;
+ int max_frames, first_frames = 0, frames;
uint8_t *buf, *buf2, *end;
AC3HeaderInfo hdr;
- if(p->buf_size < 7)
- return 0;
-
max_frames = 0;
buf = p->buf;
- end = buf + FFMIN(4096, p->buf_size - 7);
+ end = buf + p->buf_size;
for(; buf < end; buf++) {
buf2 = buf;
@@ -438,6 +441,12 @@ static int ac3_probe(AVProbeData *p)
else return 0;
}
+static int flac_probe(AVProbeData *p)
+{
+ if(memcmp(p->buf, "fLaC", 4)) return 0;
+ else return AVPROBE_SCORE_MAX / 2;
+}
+
AVInputFormat shorten_demuxer = {
"shn",
"raw shorten",
@@ -454,7 +463,7 @@ AVInputFormat flac_demuxer = {
"flac",
"raw flac",
0,
- NULL,
+ flac_probe,
flac_read_header,
raw_read_partial_packet,
raw_read_close,
@@ -473,11 +482,11 @@ AVOutputFormat flac_muxer = {
0,
flac_write_header,
raw_write_packet,
- raw_write_trailer,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
+#ifdef CONFIG_AC3_DEMUXER
AVInputFormat ac3_demuxer = {
"ac3",
"raw ac3",
@@ -489,6 +498,7 @@ AVInputFormat ac3_demuxer = {
.flags= AVFMT_GENERIC_INDEX,
.extensions = "ac3",
};
+#endif
#ifdef CONFIG_MUXERS
AVOutputFormat ac3_muxer = {
@@ -499,9 +509,8 @@ AVOutputFormat ac3_muxer = {
0,
CODEC_ID_AC3,
0,
- raw_write_header,
+ NULL,
raw_write_packet,
- raw_write_trailer,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
@@ -530,6 +539,21 @@ AVInputFormat aac_demuxer = {
.extensions = "aac",
};
+#ifdef CONFIG_ROQ_MUXER
+AVOutputFormat roq_muxer =
+{
+ "RoQ",
+ "Id RoQ format",
+ NULL,
+ "roq",
+ 0,
+ CODEC_ID_ROQ_DPCM,
+ CODEC_ID_ROQ,
+ roq_write_header,
+ raw_write_packet,
+};
+#endif //CONFIG_ROQ_MUXER
+
AVInputFormat h261_demuxer = {
"h261",
"raw h261",
@@ -552,9 +576,8 @@ AVOutputFormat h261_muxer = {
0,
0,
CODEC_ID_H261,
- raw_write_header,
+ NULL,
raw_write_packet,
- raw_write_trailer,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
@@ -581,9 +604,8 @@ AVOutputFormat h263_muxer = {
0,
0,
CODEC_ID_H263,
- raw_write_header,
+ NULL,
raw_write_packet,
- raw_write_trailer,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
@@ -610,9 +632,8 @@ AVOutputFormat m4v_muxer = {
0,
CODEC_ID_NONE,
CODEC_ID_MPEG4,
- raw_write_header,
+ NULL,
raw_write_packet,
- raw_write_trailer,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
@@ -639,9 +660,8 @@ AVOutputFormat h264_muxer = {
0,
CODEC_ID_NONE,
CODEC_ID_H264,
- raw_write_header,
+ NULL,
raw_write_packet,
- raw_write_trailer,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
@@ -667,9 +687,8 @@ AVOutputFormat mpeg1video_muxer = {
0,
0,
CODEC_ID_MPEG1VIDEO,
- raw_write_header,
+ NULL,
raw_write_packet,
- raw_write_trailer,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
@@ -683,9 +702,8 @@ AVOutputFormat mpeg2video_muxer = {
0,
0,
CODEC_ID_MPEG2VIDEO,
- raw_write_header,
+ NULL,
raw_write_packet,
- raw_write_trailer,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
@@ -725,9 +743,8 @@ AVOutputFormat mjpeg_muxer = {
0,
0,
CODEC_ID_MJPEG,
- raw_write_header,
+ NULL,
raw_write_packet,
- raw_write_trailer,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
@@ -770,9 +787,8 @@ AVOutputFormat pcm_ ## name ## _muxer = {\
0,\
codec,\
0,\
- raw_write_header,\
+ NULL,\
raw_write_packet,\
- raw_write_trailer,\
.flags= AVFMT_NOTIMESTAMPS,\
};
@@ -836,11 +852,13 @@ static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
if (packet_size < 0)
return -1;
- ret= av_get_packet(&s->pb, pkt, packet_size);
+ ret= av_get_packet(s->pb, pkt, packet_size);
+ pkt->pts=
+ pkt->dts= pkt->pos / packet_size;
pkt->stream_index = 0;
if (ret != packet_size) {
- return AVERROR_IO;
+ return AVERROR(EIO);
} else {
return 0;
}
@@ -855,7 +873,7 @@ AVInputFormat rawvideo_demuxer = {
rawvideo_read_packet,
raw_read_close,
.flags= AVFMT_GENERIC_INDEX,
- .extensions = "yuv,cif,qcif",
+ .extensions = "yuv,cif,qcif,rgb",
.value = CODEC_ID_RAWVIDEO,
};
@@ -864,13 +882,12 @@ AVOutputFormat rawvideo_muxer = {
"rawvideo",
"raw video format",
NULL,
- "yuv",
+ "yuv,rgb",
0,
CODEC_ID_NONE,
CODEC_ID_RAWVIDEO,
- raw_write_header,
+ NULL,
raw_write_packet,
- raw_write_trailer,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
@@ -893,9 +910,8 @@ AVOutputFormat null_muxer = {
CODEC_ID_PCM_S16LE,
#endif
CODEC_ID_RAWVIDEO,
- raw_write_header,
+ NULL,
null_write_packet,
- raw_write_trailer,
.flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
};
#endif //CONFIG_MUXERS
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-27 06:52:23 +0000