rawdec: don't set codec timebase.
[libav.git] / libavformat / rawdec.c
index 1c2f121..589cdd5 100644 (file)
@@ -3,26 +3,30 @@
  * Copyright (c) 2001 Fabrice Bellard
  * Copyright (c) 2005 Alex Beregszaszi
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "avformat.h"
+#include "internal.h"
 #include "avio_internal.h"
 #include "rawdec.h"
+#include "libavutil/opt.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/pixdesc.h"
 
 /* raw input */
 int ff_raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
@@ -30,7 +34,7 @@ int ff_raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
     AVStream *st;
     enum CodecID id;
 
-    st = av_new_stream(s, 0);
+    st = avformat_new_stream(s, NULL);
     if (!st)
         return AVERROR(ENOMEM);
 
@@ -43,26 +47,51 @@ int ff_raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
         st->codec->codec_id = id;
 
         switch(st->codec->codec_type) {
-        case AVMEDIA_TYPE_AUDIO:
-            st->codec->sample_rate = ap->sample_rate;
-            if(ap->channels) st->codec->channels = ap->channels;
-            else             st->codec->channels = 1;
+        case AVMEDIA_TYPE_AUDIO: {
+            RawAudioDemuxerContext *s1 = s->priv_data;
+
+            st->codec->channels = 1;
+
+            if (id == CODEC_ID_ADPCM_G722)
+                st->codec->sample_rate = 16000;
+
+            if (s1 && s1->sample_rate)
+                st->codec->sample_rate = s1->sample_rate;
+            if (s1 && s1->channels)
+                st->codec->channels    = s1->channels;
+
             st->codec->bits_per_coded_sample = av_get_bits_per_sample(st->codec->codec_id);
             assert(st->codec->bits_per_coded_sample > 0);
             st->codec->block_align = st->codec->bits_per_coded_sample*st->codec->channels/8;
-            av_set_pts_info(st, 64, 1, st->codec->sample_rate);
-            break;
-        case AVMEDIA_TYPE_VIDEO:
-            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;
-            if(st->codec->pix_fmt == PIX_FMT_NONE)
-                st->codec->pix_fmt= PIX_FMT_YUV420P;
+            avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
             break;
+            }
+        case AVMEDIA_TYPE_VIDEO: {
+            FFRawVideoDemuxerContext *s1 = s->priv_data;
+            int width = 0, height = 0, ret = 0;
+            enum PixelFormat pix_fmt;
+            AVRational framerate;
+
+            if (s1->video_size && (ret = av_parse_video_size(&width, &height, s1->video_size)) < 0) {
+                av_log(s, AV_LOG_ERROR, "Couldn't parse video size.\n");
+                goto fail;
+            }
+            if ((pix_fmt = av_get_pix_fmt(s1->pixel_format)) == PIX_FMT_NONE) {
+                av_log(s, AV_LOG_ERROR, "No such pixel format: %s.\n", s1->pixel_format);
+                ret = AVERROR(EINVAL);
+                goto fail;
+            }
+            if ((ret = av_parse_video_rate(&framerate, s1->framerate)) < 0) {
+                av_log(s, AV_LOG_ERROR, "Could not parse framerate: %s.\n", s1->framerate);
+                goto fail;
+            }
+            avpriv_set_pts_info(st, 64, framerate.den, framerate.num);
+            st->codec->width  = width;
+            st->codec->height = height;
+            st->codec->pix_fmt = pix_fmt;
+fail:
+            return ret;
+            }
         default:
             return -1;
         }
@@ -80,7 +109,7 @@ int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
     if (av_new_packet(pkt, size) < 0)
         return AVERROR(ENOMEM);
 
-    pkt->pos= url_ftell(s->pb);
+    pkt->pos= avio_tell(s->pb);
     pkt->stream_index = 0;
     ret = ffio_read_partial(s->pb, pkt->data, size);
     if (ret < 0) {
@@ -94,7 +123,7 @@ int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
 int ff_raw_audio_read_header(AVFormatContext *s,
                              AVFormatParameters *ap)
 {
-    AVStream *st = av_new_stream(s, 0);
+    AVStream *st = avformat_new_stream(s, NULL);
     if (!st)
         return AVERROR(ENOMEM);
     st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
@@ -110,84 +139,76 @@ int ff_raw_video_read_header(AVFormatContext *s,
                              AVFormatParameters *ap)
 {
     AVStream *st;
+    FFRawVideoDemuxerContext *s1 = s->priv_data;
+    AVRational framerate;
+    int ret = 0;
 
-    st = av_new_stream(s, 0);
-    if (!st)
-        return AVERROR(ENOMEM);
+
+    st = avformat_new_stream(s, NULL);
+    if (!st) {
+        ret = AVERROR(ENOMEM);
+        goto fail;
+    }
 
     st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
     st->codec->codec_id = s->iformat->value;
     st->need_parsing = AVSTREAM_PARSE_FULL;
 
-    /* for MJPEG, specify frame rate */
-    /* for MPEG-4 specify it, too (most MPEG-4 streams do not have the fixed_vop_rate set ...)*/
-    if (ap->time_base.num) {
-        st->codec->time_base= ap->time_base;
-    } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
-                st->codec->codec_id == CODEC_ID_MPEG4 ||
-                st->codec->codec_id == CODEC_ID_DIRAC ||
-                st->codec->codec_id == CODEC_ID_DNXHD ||
-                st->codec->codec_id == CODEC_ID_VC1   ||
-                st->codec->codec_id == CODEC_ID_H264) {
-        st->codec->time_base= (AVRational){1,25};
+    if ((ret = av_parse_video_rate(&framerate, s1->framerate)) < 0) {
+        av_log(s, AV_LOG_ERROR, "Could not parse framerate: %s.\n", s1->framerate);
+        goto fail;
     }
-    av_set_pts_info(st, 64, 1, 1200000);
 
-    return 0;
+    st->r_frame_rate = st->avg_frame_rate = framerate;
+    avpriv_set_pts_info(st, 64, 1, 1200000);
+
+fail:
+    return ret;
 }
 
 /* Note: Do not forget to add new entries to the Makefile as well. */
 
+#define OFFSET(x) offsetof(FFRawVideoDemuxerContext, x)
+#define DEC AV_OPT_FLAG_DECODING_PARAM
+const AVOption ff_rawvideo_options[] = {
+    { "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, DEC},
+    { NULL },
+};
+
 #if CONFIG_G722_DEMUXER
 AVInputFormat ff_g722_demuxer = {
-    "g722",
-    NULL_IF_CONFIG_SMALL("raw G.722"),
-    0,
-    NULL,
-    ff_raw_read_header,
-    ff_raw_read_partial_packet,
+    .name           = "g722",
+    .long_name      = NULL_IF_CONFIG_SMALL("raw G.722"),
+    .read_header    = ff_raw_read_header,
+    .read_packet    = ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "g722,722",
     .value = CODEC_ID_ADPCM_G722,
 };
 #endif
 
-#if CONFIG_GSM_DEMUXER
-AVInputFormat ff_gsm_demuxer = {
-    "gsm",
-    NULL_IF_CONFIG_SMALL("raw GSM"),
-    0,
-    NULL,
-    ff_raw_audio_read_header,
-    ff_raw_read_partial_packet,
+#if CONFIG_LATM_DEMUXER
+AVInputFormat ff_latm_demuxer = {
+    .name           = "latm",
+    .long_name      = NULL_IF_CONFIG_SMALL("raw LOAS/LATM"),
+    .read_header    = ff_raw_audio_read_header,
+    .read_packet    = ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
-    .extensions = "gsm",
-    .value = CODEC_ID_GSM,
+    .extensions = "latm",
+    .value = CODEC_ID_AAC_LATM,
 };
 #endif
 
 #if CONFIG_MJPEG_DEMUXER
-AVInputFormat ff_mjpeg_demuxer = {
-    "mjpeg",
-    NULL_IF_CONFIG_SMALL("raw MJPEG video"),
-    0,
-    NULL,
-    ff_raw_video_read_header,
-    ff_raw_read_partial_packet,
-    .flags= AVFMT_GENERIC_INDEX,
-    .extensions = "mjpg,mjpeg",
-    .value = CODEC_ID_MJPEG,
-};
+FF_DEF_RAWVIDEO_DEMUXER(mjpeg, "raw MJPEG video", NULL, "mjpg,mjpeg", CODEC_ID_MJPEG)
 #endif
 
 #if CONFIG_MLP_DEMUXER
 AVInputFormat ff_mlp_demuxer = {
-    "mlp",
-    NULL_IF_CONFIG_SMALL("raw MLP"),
-    0,
-    NULL,
-    ff_raw_audio_read_header,
-    ff_raw_read_partial_packet,
+    .name           = "mlp",
+    .long_name      = NULL_IF_CONFIG_SMALL("raw MLP"),
+    .read_header    = ff_raw_audio_read_header,
+    .read_packet    = ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "mlp",
     .value = CODEC_ID_MLP,
@@ -196,12 +217,10 @@ AVInputFormat ff_mlp_demuxer = {
 
 #if CONFIG_TRUEHD_DEMUXER
 AVInputFormat ff_truehd_demuxer = {
-    "truehd",
-    NULL_IF_CONFIG_SMALL("raw TrueHD"),
-    0,
-    NULL,
-    ff_raw_audio_read_header,
-    ff_raw_read_partial_packet,
+    .name           = "truehd",
+    .long_name      = NULL_IF_CONFIG_SMALL("raw TrueHD"),
+    .read_header    = ff_raw_audio_read_header,
+    .read_packet    = ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "thd",
     .value = CODEC_ID_TRUEHD,
@@ -210,27 +229,16 @@ AVInputFormat ff_truehd_demuxer = {
 
 #if CONFIG_SHORTEN_DEMUXER
 AVInputFormat ff_shorten_demuxer = {
-    "shn",
-    NULL_IF_CONFIG_SMALL("raw Shorten"),
-    0,
-    NULL,
-    ff_raw_audio_read_header,
-    ff_raw_read_partial_packet,
-    .flags= AVFMT_GENERIC_INDEX,
+    .name           = "shn",
+    .long_name      = NULL_IF_CONFIG_SMALL("raw Shorten"),
+    .read_header    = ff_raw_audio_read_header,
+    .read_packet    = ff_raw_read_partial_packet,
+    .flags          = AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH | AVFMT_NO_BYTE_SEEK,
     .extensions = "shn",
     .value = CODEC_ID_SHORTEN,
 };
 #endif
 
 #if CONFIG_VC1_DEMUXER
-AVInputFormat ff_vc1_demuxer = {
-    "vc1",
-    NULL_IF_CONFIG_SMALL("raw VC-1"),
-    0,
-    NULL /* vc1_probe */,
-    ff_raw_video_read_header,
-    ff_raw_read_partial_packet,
-    .extensions = "vc1",
-    .value = CODEC_ID_VC1,
-};
+FF_DEF_RAWVIDEO_DEMUXER(vc1, "raw VC-1", NULL, "vc1", CODEC_ID_VC1)
 #endif