Bump libavformat minor version for the G.729 raw demuxer.

[ffmpeg] / libavformat / dv.c

diff --git a/libavformat/dv.c b/libavformat/dv.c
index 5b229e9f07a06ee1907c86930cfa5e1d2fc9f9ce..378f29f0f3846475129e693db428a8117c8fa65a 100644 (file)
--- a/libavformat/dv.c
+++ b/libavformat/dv.c
@@ -12,20 +12,20 @@
  * Copyright (c) 2006 Daniel Maas <dmaas@maasdigital.com>
  * Funded by BBC Research & Development
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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 2.1 of the License, or (at your option) any later version.
  *
- * Libav 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <time.h>
@@ -270,7 +270,7 @@ static int dv_extract_video_info(DVDemuxContext *c, uint8_t* frame)
  * The following 3 functions constitute our interface to the world
  */
 
-DVDemuxContext* dv_init_demux(AVFormatContext *s)
+DVDemuxContext* avpriv_dv_init_demux(AVFormatContext *s)
 {
     DVDemuxContext *c;
 
@@ -299,7 +299,7 @@ DVDemuxContext* dv_init_demux(AVFormatContext *s)
     return c;
 }
 
-int dv_get_packet(DVDemuxContext *c, AVPacket *pkt)
+int avpriv_dv_get_packet(DVDemuxContext *c, AVPacket *pkt)
 {
     int size = -1;
     int i;
@@ -316,14 +316,14 @@ int dv_get_packet(DVDemuxContext *c, AVPacket *pkt)
     return size;
 }
 
-int dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
-                      uint8_t* buf, int buf_size)
+int avpriv_dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
+                      uint8_t* buf, int buf_size, int64_t pos)
 {
     int size, i;
     uint8_t *ppcm[4] = {0};
 
     if (buf_size < DV_PROFILE_BYTES ||
-        !(c->sys = ff_dv_frame_profile(c->sys, buf, buf_size)) ||
+        !(c->sys = avpriv_dv_frame_profile(c->sys, buf, buf_size)) ||
         buf_size < c->sys->frame_size) {
           return -1;   /* Broken frame, or not enough data */
     }
@@ -332,6 +332,7 @@ int dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
     /* FIXME: in case of no audio/bad audio we have to do something */
     size = dv_extract_audio_info(c, buf);
     for (i = 0; i < c->ach; i++) {
+       c->audio_pkt[i].pos  = pos;
        c->audio_pkt[i].size = size;
        c->audio_pkt[i].pts  = c->abytes * 30000*8 / c->ast[i]->codec->bit_rate;
        ppcm[i] = c->audio_buf[i];
@@ -355,6 +356,7 @@ int dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
     size = dv_extract_video_info(c, buf);
     av_init_packet(pkt);
     pkt->data         = buf;
+    pkt->pos          = pos;
     pkt->size         = size;
     pkt->flags       |= AV_PKT_FLAG_KEY;
     pkt->stream_index = c->vst->id;
@@ -369,7 +371,7 @@ static int64_t dv_frame_offset(AVFormatContext *s, DVDemuxContext *c,
                               int64_t timestamp, int flags)
 {
     // FIXME: sys may be wrong if last dv_read_packet() failed (buffer is junk)
-    const DVprofile* sys = ff_dv_codec_profile(c->vst->codec);
+    const DVprofile* sys = avpriv_dv_codec_profile(c->vst->codec);
     int64_t offset;
     int64_t size = avio_size(s->pb) - s->data_offset;
     int64_t max_offset = ((size-1) / sys->frame_size) * sys->frame_size;
@@ -407,13 +409,13 @@ static int dv_read_header(AVFormatContext *s,
     unsigned state, marker_pos = 0;
     RawDVContext *c = s->priv_data;
 
-    c->dv_demux = dv_init_demux(s);
+    c->dv_demux = avpriv_dv_init_demux(s);
     if (!c->dv_demux)
         return -1;
 
     state = avio_rb32(s->pb);
     while ((state & 0xffffff7f) != 0x1f07003f) {
-        if (s->pb->eof_reached) {
+        if (url_feof(s->pb)) {
             av_log(s, AV_LOG_ERROR, "Cannot find DV header.\n");
             return -1;
         }
@@ -432,7 +434,7 @@ static int dv_read_header(AVFormatContext *s,
         avio_seek(s->pb, -DV_PROFILE_BYTES, SEEK_CUR) < 0)
         return AVERROR(EIO);
 
-    c->dv_demux->sys = ff_dv_frame_profile(c->dv_demux->sys, c->buf, DV_PROFILE_BYTES);
+    c->dv_demux->sys = avpriv_dv_frame_profile(c->dv_demux->sys, c->buf, DV_PROFILE_BYTES);
     if (!c->dv_demux->sys) {
         av_log(s, AV_LOG_ERROR, "Can't determine profile of DV input stream.\n");
         return -1;
@@ -450,16 +452,17 @@ static int dv_read_packet(AVFormatContext *s, AVPacket *pkt)
     int size;
     RawDVContext *c = s->priv_data;
 
-    size = dv_get_packet(c->dv_demux, pkt);
+    size = avpriv_dv_get_packet(c->dv_demux, pkt);
 
     if (size < 0) {
+        int64_t pos = avio_tell(s->pb);
         if (!c->dv_demux->sys)
             return AVERROR(EIO);
         size = c->dv_demux->sys->frame_size;
         if (avio_read(s->pb, c->buf, size) <= 0)
             return AVERROR(EIO);
 
-        size = dv_produce_packet(c->dv_demux, pkt, c->buf, size);
+        size = avpriv_dv_produce_packet(c->dv_demux, pkt, c->buf, size, pos);
     }
 
     return size;
@@ -472,10 +475,11 @@ static int dv_read_seek(AVFormatContext *s, int stream_index,
     DVDemuxContext *c = r->dv_demux;
     int64_t offset    = dv_frame_offset(s, c, timestamp, flags);
 
-    dv_offset_reset(c, offset / c->sys->frame_size);
+    if (avio_seek(s->pb, offset, SEEK_SET) < 0)
+        return -1;
 
-    offset = avio_seek(s->pb, offset, SEEK_SET);
-    return (offset < 0) ? offset : 0;
+    dv_offset_reset(c, offset / c->sys->frame_size);
+    return 0;
 }
 
 static int dv_read_close(AVFormatContext *s)