]> git.sesse.net Git - ffmpeg/blobdiff - libavformat/raw.c
Remove unused variables, fixes the following warnings:
[ffmpeg] / libavformat / raw.c
index 4fb25b7e03596de529dd20c91698c874e03bca0c..bd9380315ca6b54b1234a48967a8c8ec2fa31fdc 100644 (file)
-/* 
- * 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"
+#include "ac3_parser.h"
+#include "raw.h"
 
+#ifdef CONFIG_MUXERS
 /* simple formats */
-int raw_write_header(struct AVFormatContext *s)
+static int flac_write_header(struct AVFormatContext *s)
 {
+    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;
 }
 
-int raw_write_packet(struct AVFormatContext *s, 
-                     int stream_index,
-                     unsigned char *buf, int size, int force_pts)
+
+static int roq_write_header(struct AVFormatContext *s)
 {
-    put_buffer(&s->pb, buf, size);
+    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;
 }
 
-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
 
 /* raw input */
-static int raw_read_header(AVFormatContext *s,
-                           AVFormatParameters *ap)
+static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
 {
     AVStream *st;
     int id;
 
     st = av_new_stream(s, 0);
     if (!st)
-        return AVERROR_NOMEM;
-    if (ap) {
+        return AVERROR(ENOMEM);
+
         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.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;
 }
 
 #define RAW_PACKET_SIZE 1024
 
-int raw_read_packet(AVFormatContext *s,
-                    AVPacket *pkt)
+static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
 {
     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(EIO);
+    }
+    /* 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 -EIO;
+        return AVERROR(EIO);
 
+    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(EIO);
+    }
+    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(EIO); // 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 AVERROR(EIO);
+
+    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(EIO);
     }
-    /* note: we need to modify the packet size here to handle the last
-       packet */
     pkt->size = ret;
     return ret;
 }
 
-int raw_read_close(AVFormatContext *s)
+static int raw_read_close(AVFormatContext *s)
+{
+    return 0;
+}
+
+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;
+
+    st = av_new_stream(s, 0);
+    if (!st)
+        return AVERROR(ENOMEM);
+
+    st->codec->codec_type = CODEC_TYPE_AUDIO;
+    st->codec->codec_id = CODEC_ID_AC3;
+    st->need_parsing = AVSTREAM_PARSE_FULL;
+    /* the parameters will be extracted from the compressed bitstream */
     return 0;
 }
 
-/* mp3 read */
-static int mp3_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(ENOMEM);
+    st->codec->codec_type = CODEC_TYPE_AUDIO;
+    st->codec->codec_id = CODEC_ID_SHORTEN;
+    st->need_parsing = AVSTREAM_PARSE_FULL;
+    /* 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(ENOMEM);
+    st->codec->codec_type = CODEC_TYPE_AUDIO;
+    st->codec->codec_id = CODEC_ID_FLAC;
+    st->need_parsing = AVSTREAM_PARSE_FULL;
+    /* 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;
+        return AVERROR(ENOMEM);
 
-    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_DTS;
+    st->need_parsing = AVSTREAM_PARSE_FULL;
     /* the parameters will be extracted from the compressed bitstream */
     return 0;
 }
 
-/* ac3 read */
-static int ac3_read_header(AVFormatContext *s,
+/* aac read */
+static int aac_read_header(AVFormatContext *s,
                            AVFormatParameters *ap)
 {
     AVStream *st;
 
     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->codec->codec_type = CODEC_TYPE_AUDIO;
+    st->codec->codec_id = CODEC_ID_AAC;
+    st->need_parsing = AVSTREAM_PARSE_FULL;
     /* the parameters will be extracted from the compressed bitstream */
     return 0;
 }
@@ -146,103 +300,294 @@ 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 = AVSTREAM_PARSE_FULL;
 
-    st->codec.codec_type = CODEC_TYPE_VIDEO;
-    st->codec.codec_id = s->iformat->value;
     /* 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;
-        } else {
-            st->codec.frame_rate = 25 * FRAME_RATE_BASE;
-        }
+    /* 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 ||
+                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;
+            }
+            if     ((code & 0x1f0) == VIDEO_ID)   pes++;
+            else if((code & 0x1e0) == AUDIO_ID)   pes++;
+        }
+    }
+    if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes)
+        return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
+    return 0;
+}
+
+#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, 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)
+            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 && res==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 */
+    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 max_frames, first_frames = 0, frames;
+    uint8_t *buf, *buf2, *end;
+    AC3HeaderInfo hdr;
+
+    max_frames = 0;
+    buf = p->buf;
+    end = buf + p->buf_size;
+
+    for(; buf < end; buf++) {
+        buf2 = buf;
+
+        for(frames = 0; buf2 < end; frames++) {
+            if(ff_ac3_parse_header(buf2, &hdr) < 0)
+                break;
+            buf2 += hdr.frame_size;
+        }
+        max_frames = FFMAX(max_frames, frames);
+        if(buf == p->buf)
+            first_frames = frames;
+    }
+    if   (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
+    else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2;
+    else if(max_frames>=1) return 1;
+    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",
     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,
+    flac_probe,
+    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 = {
+#ifdef CONFIG_AC3_DEMUXER
+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",
 };
+#endif
 
-AVOutputFormat ac3_oformat = {
+#ifdef CONFIG_MUXERS
+AVOutputFormat ac3_muxer = {
     "ac3",
     "raw ac3",
-    "audio/x-ac3", 
+    "audio/x-ac3",
     "ac3",
     0,
     CODEC_ID_AC3,
     0,
-    raw_write_header,
+    NULL,
     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",
 };
 
-AVOutputFormat h263_oformat = {
+AVInputFormat aac_demuxer = {
+    "aac",
+    "ADTS AAC",
+    0,
+    NULL,
+    aac_read_header,
+    raw_read_partial_packet,
+    raw_read_close,
+    .flags= AVFMT_GENERIC_INDEX,
+    .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",
+    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,
+    NULL,
+    raw_write_packet,
+    .flags= AVFMT_NOTIMESTAMPS,
+};
+#endif //CONFIG_MUXERS
+
+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",
@@ -250,24 +595,27 @@ AVOutputFormat h263_oformat = {
     0,
     0,
     CODEC_ID_H263,
-    raw_write_header,
+    NULL,
     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,
@@ -275,48 +623,110 @@ AVOutputFormat m4v_oformat = {
     0,
     CODEC_ID_NONE,
     CODEC_ID_MPEG4,
-    raw_write_header,
+    NULL,
     raw_write_packet,
-    raw_write_trailer,
+    .flags= AVFMT_NOTIMESTAMPS,
 };
+#endif //CONFIG_MUXERS
 
-AVInputFormat mpegvideo_iformat = {
+AVInputFormat h264_demuxer = {
+    "h264",
+    "raw H264 video format",
+    0,
+    NULL /*mpegvideo_probe*/,
+    video_read_header,
+    raw_read_partial_packet,
+    raw_read_close,
+    .flags= AVFMT_GENERIC_INDEX,
+    .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
+    .value = CODEC_ID_H264,
+};
+
+#ifdef CONFIG_MUXERS
+AVOutputFormat h264_muxer = {
+    "h264",
+    "raw H264 video format",
+    NULL,
+    "h264",
+    0,
+    CODEC_ID_NONE,
+    CODEC_ID_H264,
+    NULL,
+    raw_write_packet,
+    .flags= AVFMT_NOTIMESTAMPS,
+};
+#endif //CONFIG_MUXERS
+
+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,
+    NULL,
     raw_write_packet,
-    raw_write_trailer,
+    .flags= AVFMT_NOTIMESTAMPS,
 };
+#endif //CONFIG_MUXERS
 
-AVInputFormat mjpeg_iformat = {
+#ifdef CONFIG_MUXERS
+AVOutputFormat mpeg2video_muxer = {
+    "mpeg2video",
+    "MPEG2 video",
+    NULL,
+    "m2v",
+    0,
+    0,
+    CODEC_ID_MPEG2VIDEO,
+    NULL,
+    raw_write_packet,
+    .flags= AVFMT_NOTIMESTAMPS,
+};
+#endif //CONFIG_MUXERS
+
+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",
@@ -324,15 +734,28 @@ AVOutputFormat mjpeg_oformat = {
     0,
     0,
     CODEC_ID_MJPEG,
-    raw_write_header,
+    NULL,
     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,\
@@ -340,11 +763,14 @@ AVInputFormat pcm_ ## name ## _iformat = {\
     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,\
@@ -352,11 +778,26 @@ AVOutputFormat pcm_ ## name ## _oformat = {\
     0,\
     codec,\
     0,\
-    raw_write_header,\
+    NULL,\
     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
@@ -366,74 +807,53 @@ AVOutputFormat pcm_ ## name ## _oformat = {\
 #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)
 
-int rawvideo_read_packet(AVFormatContext *s,
-                         AVPacket *pkt)
+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(EIO);
     } else {
         return 0;
     }
 }
 
-AVInputFormat rawvideo_iformat = {
+AVInputFormat rawvideo_demuxer = {
     "rawvideo",
     "raw video format",
     0,
@@ -441,31 +861,33 @@ AVInputFormat rawvideo_iformat = {
     raw_read_header,
     rawvideo_read_packet,
     raw_read_close,
-    .extensions = "yuv",
+    .flags= AVFMT_GENERIC_INDEX,
+    .extensions = "yuv,cif,qcif,rgb",
     .value = CODEC_ID_RAWVIDEO,
 };
 
-AVOutputFormat rawvideo_oformat = {
+#ifdef CONFIG_MUXERS
+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
 
-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,
@@ -477,51 +899,8 @@ AVOutputFormat null_oformat = {
     CODEC_ID_PCM_S16LE,
 #endif
     CODEC_ID_RAWVIDEO,
-    raw_write_header,
+    NULL,
     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(&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