mov: Don't stick the QuickTime field ordering atom in extradata.

[ffmpeg] / libavformat / 4xm.c

diff --git a/libavformat/4xm.c b/libavformat/4xm.c
index 2757e89269a148b4a75ada03e220f60fa0b41e0b..ccbe3add3f497f2efd89cb0e3e91a3afeb1405b6 100644 (file)
--- a/libavformat/4xm.c
+++ b/libavformat/4xm.c
@@ -2,20 +2,20 @@
  * 4X Technologies .4xm File Demuxer (no muxer)
  * Copyright (c) 2003  The ffmpeg Project
  *
- * 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
  */
 
@@ -28,7 +28,9 @@
  */
 
 #include "libavutil/intreadwrite.h"
+#include "libavutil/intfloat.h"
 #include "avformat.h"
+#include "internal.h"
 
 #define     RIFF_TAG MKTAG('R', 'I', 'F', 'F')
 #define  FOURXMV_TAG MKTAG('4', 'X', 'M', 'V')
@@ -106,7 +108,7 @@ static int fourxm_read_header(AVFormatContext *s,
     fourxm->fps = 1.0;
 
     /* skip the first 3 32-bit numbers */
-    avio_seek(pb, 12, SEEK_CUR);
+    avio_skip(pb, 12);
 
     /* check for LIST-HEAD */
     GET_LIST_HEADER();
@@ -129,7 +131,7 @@ static int fourxm_read_header(AVFormatContext *s,
         size = AV_RL32(&header[i + 4]);
 
         if (fourcc_tag == std__TAG) {
-            fourxm->fps = av_int2flt(AV_RL32(&header[i + 12]));
+            fourxm->fps = av_int2float(AV_RL32(&header[i + 12]));
         } else if (fourcc_tag == vtrk_TAG) {
             /* check that there is enough data */
             if (size != vtrk_SIZE) {
@@ -140,12 +142,12 @@ static int fourxm_read_header(AVFormatContext *s,
             fourxm->height = AV_RL32(&header[i + 40]);
 
             /* allocate a new AVStream */
-            st = av_new_stream(s, 0);
+            st = avformat_new_stream(s, NULL);
             if (!st){
                 ret= AVERROR(ENOMEM);
                 goto fail;
             }
-            av_set_pts_info(st, 60, 1, fourxm->fps);
+            avpriv_set_pts_info(st, 60, 1, fourxm->fps);
 
             fourxm->video_stream_index = st->index;
 
@@ -172,13 +174,15 @@ static int fourxm_read_header(AVFormatContext *s,
                 goto fail;
             }
             if (current_track + 1 > fourxm->track_count) {
-                fourxm->track_count = current_track + 1;
                 fourxm->tracks = av_realloc(fourxm->tracks,
-                    fourxm->track_count * sizeof(AudioTrack));
+                    (current_track + 1) * sizeof(AudioTrack));
                 if (!fourxm->tracks) {
-                    ret=  AVERROR(ENOMEM);
+                    ret = AVERROR(ENOMEM);
                     goto fail;
                 }
+                memset(&fourxm->tracks[fourxm->track_count], 0,
+                       sizeof(AudioTrack) * (current_track + 1 - fourxm->track_count));
+                fourxm->track_count = current_track + 1;
             }
             fourxm->tracks[current_track].adpcm       = AV_RL32(&header[i + 12]);
             fourxm->tracks[current_track].channels    = AV_RL32(&header[i + 36]);
@@ -195,13 +199,14 @@ static int fourxm_read_header(AVFormatContext *s,
             i += 8 + size;
 
             /* allocate a new AVStream */
-            st = av_new_stream(s, current_track);
+            st = avformat_new_stream(s, NULL);
             if (!st){
                 ret= AVERROR(ENOMEM);
                 goto fail;
             }
 
-            av_set_pts_info(st, 60, 1, fourxm->tracks[current_track].sample_rate);
+            st->id = current_track;
+            avpriv_set_pts_info(st, 60, 1, fourxm->tracks[current_track].sample_rate);
 
             fourxm->tracks[current_track].stream_index = st->index;
 
@@ -246,7 +251,7 @@ static int fourxm_read_packet(AVFormatContext *s,
     FourxmDemuxContext *fourxm = s->priv_data;
     AVIOContext *pb = s->pb;
     unsigned int fourcc_tag;
-    unsigned int size, out_size;
+    unsigned int size;
     int ret = 0;
     unsigned int track_number;
     int packet_read = 0;
@@ -259,7 +264,7 @@ static int fourxm_read_packet(AVFormatContext *s,
             return ret;
         fourcc_tag = AV_RL32(&header[0]);
         size = AV_RL32(&header[4]);
-        if (url_feof(pb))
+        if (pb->eof_reached)
             return AVERROR(EIO);
         switch (fourcc_tag) {
 
@@ -283,7 +288,7 @@ static int fourxm_read_packet(AVFormatContext *s,
                 return AVERROR(EIO);
             pkt->stream_index = fourxm->video_stream_index;
             pkt->pts = fourxm->video_pts;
-            pkt->pos = url_ftell(s->pb);
+            pkt->pos = avio_tell(s->pb);
             memcpy(pkt->data, header, 8);
             ret = avio_read(s->pb, &pkt->data[8], size);
 
@@ -295,7 +300,7 @@ static int fourxm_read_packet(AVFormatContext *s,
 
         case snd__TAG:
             track_number = avio_rl32(pb);
-            out_size= avio_rl32(pb);
+            avio_skip(pb, 4);
             size-=8;
 
             if (track_number < fourxm->track_count && fourxm->tracks[track_number].channels>0) {
@@ -322,12 +327,12 @@ static int fourxm_read_packet(AVFormatContext *s,
                 fourxm->tracks[track_number].audio_pts += audio_frame_count;
 
             } else {
-                avio_seek(pb, size, SEEK_CUR);
+                avio_skip(pb, size);
             }
             break;
 
         default:
-            avio_seek(pb, size, SEEK_CUR);
+            avio_skip(pb, size);
             break;
         }
     }
@@ -344,11 +349,11 @@ static int fourxm_read_close(AVFormatContext *s)
 }
 
 AVInputFormat ff_fourxm_demuxer = {
-    "4xm",
-    NULL_IF_CONFIG_SMALL("4X Technologies format"),
-    sizeof(FourxmDemuxContext),
-    fourxm_probe,
-    fourxm_read_header,
-    fourxm_read_packet,
-    fourxm_read_close,
+    .name           = "4xm",
+    .long_name      = NULL_IF_CONFIG_SMALL("4X Technologies format"),
+    .priv_data_size = sizeof(FourxmDemuxContext),
+    .read_probe     = fourxm_probe,
+    .read_header    = fourxm_read_header,
+    .read_packet    = fourxm_read_packet,
+    .read_close     = fourxm_read_close,
 };