-/*
- * RAW encoder and decoder
+/*
+ * RAW muxer and demuxer
* Copyright (c) 2001 Fabrice Bellard.
+ * Copyright (c) 2005 Alex Beregszaszi
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
+#ifdef CONFIG_MUXERS
/* simple formats */
static int raw_write_header(struct AVFormatContext *s)
{
return 0;
}
-static int raw_write_packet(struct AVFormatContext *s, int stream_index,
- unsigned char *buf, int size, int force_pts)
+static int flac_write_header(struct AVFormatContext *s)
{
- put_buffer(&s->pb, buf, size);
+ static const uint8_t header[8] = {
+ 0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22
+ };
+ 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);
+ }
+ return 0;
+}
+
+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;
}
{
return 0;
}
+#endif //CONFIG_MUXERS
/* raw input */
static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
- if (ap) {
+
id = s->iformat->value;
if (id == CODEC_ID_RAWVIDEO) {
- st->codec.codec_type = CODEC_TYPE_VIDEO;
+ st->codec->codec_type = CODEC_TYPE_VIDEO;
} else {
- st->codec.codec_type = CODEC_TYPE_AUDIO;
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
}
- st->codec.codec_id = id;
+ st->codec->codec_id = id;
- switch(st->codec.codec_type) {
+ switch(st->codec->codec_type) {
case CODEC_TYPE_AUDIO:
- st->codec.sample_rate = ap->sample_rate;
- st->codec.channels = ap->channels;
+ st->codec->sample_rate = ap->sample_rate;
+ st->codec->channels = ap->channels;
+ av_set_pts_info(st, 64, 1, st->codec->sample_rate);
break;
case CODEC_TYPE_VIDEO:
- st->codec.frame_rate = ap->frame_rate;
- st->codec.frame_rate_base = ap->frame_rate_base;
- st->codec.width = ap->width;
- st->codec.height = ap->height;
+ av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
+ st->codec->width = ap->width;
+ st->codec->height = ap->height;
+ st->codec->pix_fmt = ap->pix_fmt;
+ if(st->codec->pix_fmt == PIX_FMT_NONE)
+ st->codec->pix_fmt= PIX_FMT_YUV420P;
break;
default:
return -1;
}
- } else {
- return -1;
- }
return 0;
}
{
int ret, size;
// AVStream *st = s->streams[0];
-
+
size= RAW_PACKET_SIZE;
+ ret= av_get_packet(&s->pb, pkt, size);
+
+ pkt->stream_index = 0;
+ if (ret <= 0) {
+ return AVERROR_IO;
+ }
+ /* note: we need to modify the packet size here to handle the last
+ packet */
+ pkt->size = ret;
+ return ret;
+}
+
+static int raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ int ret, size;
+
+ size = RAW_PACKET_SIZE;
+
+ if (av_new_packet(pkt, size) < 0)
+ return AVERROR_IO;
+
+ pkt->pos= url_ftell(&s->pb);
+ pkt->stream_index = 0;
+ ret = get_partial_buffer(&s->pb, pkt->data, size);
+ if (ret <= 0) {
+ av_free_packet(pkt);
+ return AVERROR_IO;
+ }
+ pkt->size = ret;
+ return ret;
+}
+
+// http://www.artificis.hu/files/texts/ingenient.txt
+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
+
+ size = get_le32(&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
+
+ 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 -EIO;
+ return AVERROR_IO;
+ pkt->pos = url_ftell(&s->pb);
pkt->stream_index = 0;
ret = get_buffer(&s->pb, pkt->data, size);
if (ret <= 0) {
av_free_packet(pkt);
- return -EIO;
+ return AVERROR_IO;
}
- /* note: we need to modify the packet size here to handle the last
- packet */
pkt->size = ret;
return ret;
}
return 0;
}
-/* mp3 read */
-static int mp3_read_header(AVFormatContext *s,
+int pcm_read_seek(AVFormatContext *s,
+ int stream_index, int64_t timestamp, int flags)
+{
+ AVStream *st;
+ int block_align, byte_rate;
+ int64_t pos;
+
+ st = s->streams[0];
+
+ block_align = st->codec->block_align ? st->codec->block_align :
+ (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
+ byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 :
+ block_align * st->codec->sample_rate;
+
+ if (block_align <= 0 || byte_rate <= 0)
+ return -1;
+
+ /* compute the position by aligning it to block_align */
+ pos = av_rescale_rnd(timestamp * byte_rate,
+ st->time_base.num,
+ st->time_base.den * (int64_t)block_align,
+ (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP);
+ pos *= block_align;
+
+ /* 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);
+ return 0;
+}
+
+/* ac3 read */
+static int ac3_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
AVStream *st;
if (!st)
return AVERROR_NOMEM;
- st->codec.codec_type = CODEC_TYPE_AUDIO;
- st->codec.codec_id = CODEC_ID_MP2;
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
+ st->codec->codec_id = CODEC_ID_AC3;
+ st->need_parsing = 1;
/* the parameters will be extracted from the compressed bitstream */
return 0;
}
-/* ac3 read */
-static int ac3_read_header(AVFormatContext *s,
+static int shorten_read_header(AVFormatContext *s,
+ AVFormatParameters *ap)
+{
+ AVStream *st;
+
+ st = av_new_stream(s, 0);
+ if (!st)
+ return AVERROR_NOMEM;
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
+ st->codec->codec_id = CODEC_ID_SHORTEN;
+ st->need_parsing = 1;
+ /* the parameters will be extracted from the compressed bitstream */
+ return 0;
+}
+
+/* flac read */
+static int flac_read_header(AVFormatContext *s,
+ AVFormatParameters *ap)
+{
+ AVStream *st;
+
+ st = av_new_stream(s, 0);
+ if (!st)
+ return AVERROR_NOMEM;
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
+ st->codec->codec_id = CODEC_ID_FLAC;
+ st->need_parsing = 1;
+ /* the parameters will be extracted from the compressed bitstream */
+ return 0;
+}
+
+/* dts read */
+static int dts_read_header(AVFormatContext *s,
+ AVFormatParameters *ap)
+{
+ AVStream *st;
+
+ st = av_new_stream(s, 0);
+ if (!st)
+ return AVERROR_NOMEM;
+
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
+ st->codec->codec_id = CODEC_ID_DTS;
+ st->need_parsing = 1;
+ /* the parameters will be extracted from the compressed bitstream */
+ return 0;
+}
+
+/* aac read */
+static int aac_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
AVStream *st;
if (!st)
return AVERROR_NOMEM;
- st->codec.codec_type = CODEC_TYPE_AUDIO;
- st->codec.codec_id = CODEC_ID_AC3;
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
+ st->codec->codec_id = CODEC_ID_AAC;
+ st->need_parsing = 1;
/* the parameters will be extracted from the compressed bitstream */
return 0;
}
if (!st)
return AVERROR_NOMEM;
- st->codec.codec_type = CODEC_TYPE_VIDEO;
- st->codec.codec_id = s->iformat->value;
+ st->codec->codec_type = CODEC_TYPE_VIDEO;
+ st->codec->codec_id = s->iformat->value;
+ st->need_parsing = 1;
+
/* for mjpeg, specify frame rate */
/* for mpeg4 specify it too (most mpeg4 streams dont have the fixed_vop_rate set ...)*/
- if (st->codec.codec_id == CODEC_ID_MJPEG || st->codec.codec_id == CODEC_ID_MPEG4) {
- if (ap) {
- st->codec.frame_rate = ap->frame_rate;
- st->codec.frame_rate_base = ap->frame_rate_base;
- } else {
- st->codec.frame_rate = 25;
- st->codec.frame_rate_base = 1;
- }
+ 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 ||
+ st->codec->codec_id == CODEC_ID_MPEG4 ||
+ st->codec->codec_id == CODEC_ID_H264) {
+ av_set_pts_info(st, 64, 1, 25);
}
+
return 0;
}
-#define SEQ_START_CODE 0x000001b3
-#define GOP_START_CODE 0x000001b8
-#define PICTURE_START_CODE 0x00000100
+#define SEQ_START_CODE 0x000001b3
+#define GOP_START_CODE 0x000001b8
+#define PICTURE_START_CODE 0x00000100
+#define SLICE_START_CODE 0x00000101
+#define PACK_START_CODE 0x000001ba
+#define VIDEO_ID 0x000001e0
+#define AUDIO_ID 0x000001c0
-/* XXX: improve that by looking at several start codes */
static int mpegvideo_probe(AVProbeData *p)
+{
+ uint32_t code= -1;
+ int pic=0, seq=0, slice=0, pspack=0, pes=0;
+ int i;
+
+ for(i=0; i<p->buf_size; i++){
+ code = (code<<8) + p->buf[i];
+ if ((code & 0xffffff00) == 0x100) {
+ switch(code){
+ case SEQ_START_CODE: seq++; break;
+ case PICTURE_START_CODE: pic++; break;
+ case SLICE_START_CODE: slice++; break;
+ case PACK_START_CODE: pspack++; break;
+ case VIDEO_ID:
+ case AUDIO_ID: pes++; break;
+ }
+ }
+ }
+ if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes)
+ return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
+ 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 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 ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0)
+ return AVPROBE_SCORE_MAX/2;
+ return 0;
+}
+
+static int h263_probe(AVProbeData *p)
{
int code;
const uint8_t *d;
- /* we search the first start code. If it is a sequence, gop or
- picture start code then we decide it is an mpeg video
- stream. We do not send highest value to give a chance to mpegts */
- /* NOTE: the search range was restricted to avoid too many false
- detections */
+ if (p->buf_size < 6)
+ return 0;
+ d = p->buf;
+ code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
+ if (code == 0x20) {
+ return 50;
+ }
+ return 0;
+}
+
+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] << 24) | (d[1] << 16) | (d[2] << 8) | (d[3]);
- if ((code & 0xffffff00) == 0x100) {
- if (code == SEQ_START_CODE ||
- code == GOP_START_CODE ||
- code == PICTURE_START_CODE)
- return 50 - 1;
- else
- return 0;
+ code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
+ if (code == 0x10) {
+ return 50;
}
return 0;
}
-AVInputFormat mp3_iformat = {
- "mp3",
- "MPEG audio",
+static int ac3_probe(AVProbeData *p)
+{
+ int score=0;
+
+ if(p->buf_size < 6)
+ return 0;
+
+ if((p->buf[0] == 0x0B) && (p->buf[1] == 0x77) && // sync word
+ ((p->buf[4] >> 6) != 3) && // fscod
+ ((p->buf[5] >> 3) <= 16)) { // bsid
+ score = AVPROBE_SCORE_MAX / 2 + 10;
+ }
+
+ return score;
+}
+
+AVInputFormat shorten_demuxer = {
+ "shn",
+ "raw shorten",
0,
NULL,
- mp3_read_header,
- raw_read_packet,
+ shorten_read_header,
+ raw_read_partial_packet,
raw_read_close,
- .extensions = "mp2,mp3", /* XXX: use probe */
+ .flags= AVFMT_GENERIC_INDEX,
+ .extensions = "shn",
};
-AVOutputFormat mp2_oformat = {
- "mp2",
- "MPEG audio layer 2",
- "audio/x-mpeg",
- "mp2,mp3",
+AVInputFormat flac_demuxer = {
+ "flac",
+ "raw flac",
0,
- CODEC_ID_MP2,
+ NULL,
+ flac_read_header,
+ raw_read_partial_packet,
+ raw_read_close,
+ .flags= AVFMT_GENERIC_INDEX,
+ .extensions = "flac",
+};
+
+#ifdef CONFIG_MUXERS
+AVOutputFormat flac_muxer = {
+ "flac",
+ "raw flac",
+ "audio/x-flac",
+ "flac",
0,
- raw_write_header,
+ CODEC_ID_FLAC,
+ 0,
+ flac_write_header,
raw_write_packet,
raw_write_trailer,
+ .flags= AVFMT_NOTIMESTAMPS,
};
+#endif //CONFIG_MUXERS
-
-AVInputFormat ac3_iformat = {
+AVInputFormat ac3_demuxer = {
"ac3",
"raw ac3",
0,
- NULL,
+ ac3_probe,
ac3_read_header,
- raw_read_packet,
+ raw_read_partial_packet,
raw_read_close,
+ .flags= AVFMT_GENERIC_INDEX,
.extensions = "ac3",
};
-AVOutputFormat ac3_oformat = {
+#ifdef CONFIG_MUXERS
+AVOutputFormat ac3_muxer = {
"ac3",
"raw ac3",
- "audio/x-ac3",
+ "audio/x-ac3",
"ac3",
0,
CODEC_ID_AC3,
raw_write_header,
raw_write_packet,
raw_write_trailer,
+ .flags= AVFMT_NOTIMESTAMPS,
+};
+#endif //CONFIG_MUXERS
+
+AVInputFormat dts_demuxer = {
+ "dts",
+ "raw dts",
+ 0,
+ NULL,
+ dts_read_header,
+ raw_read_partial_packet,
+ raw_read_close,
+ .flags= AVFMT_GENERIC_INDEX,
+ .extensions = "dts",
+};
+
+AVInputFormat aac_demuxer = {
+ "aac",
+ "ADTS AAC",
+ 0,
+ NULL,
+ aac_read_header,
+ raw_read_partial_packet,
+ raw_read_close,
+ .flags= AVFMT_GENERIC_INDEX,
+ .extensions = "aac",
+};
+
+AVInputFormat h261_demuxer = {
+ "h261",
+ "raw h261",
+ 0,
+ h261_probe,
+ video_read_header,
+ raw_read_partial_packet,
+ raw_read_close,
+ .flags= AVFMT_GENERIC_INDEX,
+ .extensions = "h261",
+ .value = CODEC_ID_H261,
+};
+
+#ifdef CONFIG_MUXERS
+AVOutputFormat h261_muxer = {
+ "h261",
+ "raw h261",
+ "video/x-h261",
+ "h261",
+ 0,
+ 0,
+ CODEC_ID_H261,
+ raw_write_header,
+ raw_write_packet,
+ raw_write_trailer,
+ .flags= AVFMT_NOTIMESTAMPS,
};
+#endif //CONFIG_MUXERS
-AVOutputFormat h263_oformat = {
+AVInputFormat h263_demuxer = {
+ "h263",
+ "raw h263",
+ 0,
+ h263_probe,
+ video_read_header,
+ raw_read_partial_packet,
+ raw_read_close,
+ .flags= AVFMT_GENERIC_INDEX,
+// .extensions = "h263", //FIXME remove after writing mpeg4_probe
+ .value = CODEC_ID_H263,
+};
+
+#ifdef CONFIG_MUXERS
+AVOutputFormat h263_muxer = {
"h263",
"raw h263",
"video/x-h263",
raw_write_header,
raw_write_packet,
raw_write_trailer,
+ .flags= AVFMT_NOTIMESTAMPS,
};
+#endif //CONFIG_MUXERS
-AVInputFormat m4v_iformat = {
+AVInputFormat m4v_demuxer = {
"m4v",
"raw MPEG4 video format",
0,
- NULL /*mpegvideo_probe*/,
+ mpeg4video_probe, /** probing for mpeg4 data */
video_read_header,
- raw_read_packet,
+ raw_read_partial_packet,
raw_read_close,
+ .flags= AVFMT_GENERIC_INDEX,
.extensions = "m4v", //FIXME remove after writing mpeg4_probe
.value = CODEC_ID_MPEG4,
};
-AVOutputFormat m4v_oformat = {
+#ifdef CONFIG_MUXERS
+AVOutputFormat m4v_muxer = {
"m4v",
"raw MPEG4 video format",
NULL,
raw_write_header,
raw_write_packet,
raw_write_trailer,
+ .flags= AVFMT_NOTIMESTAMPS,
};
+#endif //CONFIG_MUXERS
-AVInputFormat h264_iformat = {
+AVInputFormat h264_demuxer = {
"h264",
"raw H264 video format",
0,
NULL /*mpegvideo_probe*/,
video_read_header,
- raw_read_packet,
+ raw_read_partial_packet,
raw_read_close,
- .extensions = "h26l,h264", //FIXME remove after writing mpeg4_probe
+ .flags= AVFMT_GENERIC_INDEX,
+ .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
.value = CODEC_ID_H264,
};
-AVOutputFormat h264_oformat = {
+#ifdef CONFIG_MUXERS
+AVOutputFormat h264_muxer = {
"h264",
"raw H264 video format",
NULL,
raw_write_header,
raw_write_packet,
raw_write_trailer,
+ .flags= AVFMT_NOTIMESTAMPS,
};
+#endif //CONFIG_MUXERS
-AVInputFormat mpegvideo_iformat = {
+AVInputFormat mpegvideo_demuxer = {
"mpegvideo",
"MPEG video",
0,
mpegvideo_probe,
video_read_header,
- raw_read_packet,
+ raw_read_partial_packet,
raw_read_close,
+ .flags= AVFMT_GENERIC_INDEX,
.value = CODEC_ID_MPEG1VIDEO,
};
-AVOutputFormat mpeg1video_oformat = {
+#ifdef CONFIG_MUXERS
+AVOutputFormat mpeg1video_muxer = {
"mpeg1video",
"MPEG video",
"video/x-mpeg",
- "mpg,mpeg",
+ "mpg,mpeg,m1v",
0,
0,
CODEC_ID_MPEG1VIDEO,
raw_write_header,
raw_write_packet,
raw_write_trailer,
+ .flags= AVFMT_NOTIMESTAMPS,
+};
+#endif //CONFIG_MUXERS
+
+#ifdef CONFIG_MUXERS
+AVOutputFormat mpeg2video_muxer = {
+ "mpeg2video",
+ "MPEG2 video",
+ NULL,
+ "m2v",
+ 0,
+ 0,
+ CODEC_ID_MPEG2VIDEO,
+ raw_write_header,
+ raw_write_packet,
+ raw_write_trailer,
+ .flags= AVFMT_NOTIMESTAMPS,
};
+#endif //CONFIG_MUXERS
-AVInputFormat mjpeg_iformat = {
+AVInputFormat mjpeg_demuxer = {
"mjpeg",
"MJPEG video",
0,
NULL,
video_read_header,
- raw_read_packet,
+ raw_read_partial_packet,
raw_read_close,
+ .flags= AVFMT_GENERIC_INDEX,
.extensions = "mjpg,mjpeg",
.value = CODEC_ID_MJPEG,
};
-AVOutputFormat mjpeg_oformat = {
+AVInputFormat ingenient_demuxer = {
+ "ingenient",
+ "Ingenient MJPEG",
+ 0,
+ NULL,
+ video_read_header,
+ ingenient_read_packet,
+ raw_read_close,
+ .flags= AVFMT_GENERIC_INDEX,
+ .extensions = "cgi", // FIXME
+ .value = CODEC_ID_MJPEG,
+};
+
+#ifdef CONFIG_MUXERS
+AVOutputFormat mjpeg_muxer = {
"mjpeg",
"MJPEG video",
"video/x-mjpeg",
raw_write_header,
raw_write_packet,
raw_write_trailer,
+ .flags= AVFMT_NOTIMESTAMPS,
+};
+#endif //CONFIG_MUXERS
+
+AVInputFormat vc1_demuxer = {
+ "vc1",
+ "raw vc1",
+ 0,
+ NULL /* vc1_probe */,
+ video_read_header,
+ raw_read_partial_packet,
+ raw_read_close,
+ .extensions = "vc1",
+ .value = CODEC_ID_VC1,
};
/* pcm formats */
-#define PCMDEF(name, long_name, ext, codec) \
-AVInputFormat pcm_ ## name ## _iformat = {\
+#define PCMINPUTDEF(name, long_name, ext, codec) \
+AVInputFormat pcm_ ## name ## _demuxer = {\
#name,\
long_name,\
0,\
raw_read_header,\
raw_read_packet,\
raw_read_close,\
+ pcm_read_seek,\
+ .flags= AVFMT_GENERIC_INDEX,\
.extensions = ext,\
.value = codec,\
-};\
-\
-AVOutputFormat pcm_ ## name ## _oformat = {\
+};
+
+#define PCMOUTPUTDEF(name, long_name, ext, codec) \
+AVOutputFormat pcm_ ## name ## _muxer = {\
#name,\
long_name,\
NULL,\
raw_write_header,\
raw_write_packet,\
raw_write_trailer,\
+ .flags= AVFMT_NOTIMESTAMPS,\
};
+
+#if !defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
+#define PCMDEF(name, long_name, ext, codec) \
+ PCMINPUTDEF(name, long_name, ext, codec)
+#elif defined(CONFIG_MUXERS) && !defined(CONFIG_DEMUXERS)
+#define PCMDEF(name, long_name, ext, codec) \
+ PCMOUTPUTDEF(name, long_name, ext, codec)
+#elif defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
+#define PCMDEF(name, long_name, ext, codec) \
+ PCMINPUTDEF(name, long_name, ext, codec)\
+ PCMOUTPUTDEF(name, long_name, ext, codec)
+#else
+#define PCMDEF(name, long_name, ext, codec)
+#endif
+
#ifdef WORDS_BIGENDIAN
#define BE_DEF(s) s
#define LE_DEF(s) NULL
#endif
-PCMDEF(s16le, "pcm signed 16 bit little endian format",
+PCMDEF(s16le, "pcm signed 16 bit little endian format",
LE_DEF("sw"), CODEC_ID_PCM_S16LE)
-PCMDEF(s16be, "pcm signed 16 bit big endian format",
+PCMDEF(s16be, "pcm signed 16 bit big endian format",
BE_DEF("sw"), CODEC_ID_PCM_S16BE)
-PCMDEF(u16le, "pcm unsigned 16 bit little endian format",
+PCMDEF(u16le, "pcm unsigned 16 bit little endian format",
LE_DEF("uw"), CODEC_ID_PCM_U16LE)
-PCMDEF(u16be, "pcm unsigned 16 bit big endian format",
+PCMDEF(u16be, "pcm unsigned 16 bit big endian format",
BE_DEF("uw"), CODEC_ID_PCM_U16BE)
-PCMDEF(s8, "pcm signed 8 bit format",
+PCMDEF(s8, "pcm signed 8 bit format",
"sb", CODEC_ID_PCM_S8)
-PCMDEF(u8, "pcm unsigned 8 bit format",
+PCMDEF(u8, "pcm unsigned 8 bit format",
"ub", CODEC_ID_PCM_U8)
-PCMDEF(mulaw, "pcm mu law format",
+PCMDEF(mulaw, "pcm mu law format",
"ul", CODEC_ID_PCM_MULAW)
-PCMDEF(alaw, "pcm A law format",
+PCMDEF(alaw, "pcm A law format",
"al", CODEC_ID_PCM_ALAW)
static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
int packet_size, ret, width, height;
AVStream *st = s->streams[0];
- width = st->codec.width;
- height = st->codec.height;
-
- switch(st->codec.pix_fmt) {
- case PIX_FMT_YUV420P:
- packet_size = (width * height * 3) / 2;
- break;
- case PIX_FMT_YUV422:
- packet_size = (width * height * 2);
- break;
- case PIX_FMT_BGR24:
- case PIX_FMT_RGB24:
- packet_size = (width * height * 3);
- break;
- default:
- av_abort();
- break;
- }
+ width = st->codec->width;
+ height = st->codec->height;
- if (av_new_packet(pkt, packet_size) < 0)
- return -EIO;
+ packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
+ if (packet_size < 0)
+ return -1;
+
+ ret= av_get_packet(&s->pb, pkt, packet_size);
pkt->stream_index = 0;
-#if 0
- /* bypass buffered I/O */
- ret = url_read(url_fileno(&s->pb), pkt->data, pkt->size);
-#else
- ret = get_buffer(&s->pb, pkt->data, pkt->size);
-#endif
- if (ret != pkt->size) {
- av_free_packet(pkt);
- return -EIO;
+ if (ret != packet_size) {
+ return AVERROR_IO;
} else {
return 0;
}
}
-AVInputFormat rawvideo_iformat = {
+AVInputFormat rawvideo_demuxer = {
"rawvideo",
"raw video format",
0,
raw_read_header,
rawvideo_read_packet,
raw_read_close,
- .extensions = "yuv",
+ .flags= AVFMT_GENERIC_INDEX,
+ .extensions = "yuv,cif,qcif",
.value = CODEC_ID_RAWVIDEO,
};
-AVOutputFormat rawvideo_oformat = {
+#ifdef CONFIG_MUXERS
+AVOutputFormat rawvideo_muxer = {
"rawvideo",
"raw video format",
NULL,
raw_write_header,
raw_write_packet,
raw_write_trailer,
+ .flags= AVFMT_NOTIMESTAMPS,
};
+#endif //CONFIG_MUXERS
-static int null_write_packet(struct AVFormatContext *s,
- int stream_index,
- unsigned char *buf, int size, int force_pts)
+#ifdef CONFIG_MUXERS
+static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
{
return 0;
}
-AVOutputFormat null_oformat = {
+AVOutputFormat null_muxer = {
"null",
"null video format",
NULL,
raw_write_header,
null_write_packet,
raw_write_trailer,
- .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE,
+ .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
};
-
-int raw_init(void)
-{
- av_register_input_format(&mp3_iformat);
- av_register_output_format(&mp2_oformat);
-
- av_register_input_format(&ac3_iformat);
- av_register_output_format(&ac3_oformat);
-
- av_register_output_format(&h263_oformat);
-
- av_register_input_format(&m4v_iformat);
- av_register_output_format(&m4v_oformat);
-
- av_register_input_format(&h264_iformat);
- av_register_output_format(&h264_oformat);
-
- av_register_input_format(&mpegvideo_iformat);
- av_register_output_format(&mpeg1video_oformat);
-
- av_register_input_format(&mjpeg_iformat);
- av_register_output_format(&mjpeg_oformat);
-
- av_register_input_format(&pcm_s16le_iformat);
- av_register_output_format(&pcm_s16le_oformat);
- av_register_input_format(&pcm_s16be_iformat);
- av_register_output_format(&pcm_s16be_oformat);
- av_register_input_format(&pcm_u16le_iformat);
- av_register_output_format(&pcm_u16le_oformat);
- av_register_input_format(&pcm_u16be_iformat);
- av_register_output_format(&pcm_u16be_oformat);
- av_register_input_format(&pcm_s8_iformat);
- av_register_output_format(&pcm_s8_oformat);
- av_register_input_format(&pcm_u8_iformat);
- av_register_output_format(&pcm_u8_oformat);
- av_register_input_format(&pcm_mulaw_iformat);
- av_register_output_format(&pcm_mulaw_oformat);
- av_register_input_format(&pcm_alaw_iformat);
- av_register_output_format(&pcm_alaw_oformat);
-
- av_register_input_format(&rawvideo_iformat);
- av_register_output_format(&rawvideo_oformat);
-
- av_register_output_format(&null_oformat);
- return 0;
-}
+#endif //CONFIG_MUXERS