mpc8: Check return value of avio_seek and avoid modifying state if it fails

[ffmpeg] / libavformat / isom.h

diff --git a/libavformat/isom.h b/libavformat/isom.h
index c8141f13cde035b8d744119426300cdb132cc900..91fbf759f85f7397f17b180c53069a20c7176fce 100644 (file)
--- a/libavformat/isom.h
+++ b/libavformat/isom.h
@@ -4,20 +4,20 @@
  * copyright (c) 2002 Francois Revol <revol@free.fr>
  * copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
  *
- * 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
  */
 
@@ -25,7 +25,7 @@
 #define AVFORMAT_ISOM_H
 
 #include "avio.h"
-#include "riff.h"
+#include "internal.h"
 #include "dv.h"
 
 /* isom.c */
@@ -34,8 +34,8 @@ extern const AVCodecTag codec_movvideo_tags[];
 extern const AVCodecTag codec_movaudio_tags[];
 extern const AVCodecTag ff_codec_movsubtitle_tags[];
 
-int ff_mov_iso639_to_lang(const char *lang, int mp4);
-int ff_mov_lang_to_iso639(unsigned code, char *to);
+int ff_mov_iso639_to_lang(const char lang[4], int mp4);
+int ff_mov_lang_to_iso639(unsigned code, char to[4]);
 
 /* the QuickTime file format is quite convoluted...
  * it has lots of index tables, each indexing something in another one...
@@ -88,7 +88,7 @@ typedef struct {
 } MOVTrackExt;
 
 typedef struct MOVStreamContext {
-    ByteIOContext *pb;
+    AVIOContext *pb;
     int ffindex;          ///< AVStream index
     int next_chunk;
     unsigned int chunk_count;
@@ -109,7 +109,7 @@ typedef struct MOVStreamContext {
     unsigned int keyframe_count;
     int *keyframes;
     int time_scale;
-    int time_offset;      ///< time offset of the first edit list entry
+    int64_t time_offset;  ///< time offset of the first edit list entry
     int current_sample;
     unsigned int bytes_per_frame;
     unsigned int samples_per_frame;
@@ -123,6 +123,10 @@ typedef struct MOVStreamContext {
     int width;            ///< tkhd width
     int height;           ///< tkhd height
     int dts_shift;        ///< dts shift when ctts is negative
+    uint32_t palette[256];
+    int has_palette;
+    int64_t data_size;
+    int64_t track_end;    ///< used for dts generation in fragmented movie files
 } MOVStreamContext;
 
 typedef struct MOVContext {
@@ -138,10 +142,24 @@ typedef struct MOVContext {
     MOVTrackExt *trex_data;
     unsigned trex_count;
     int itunes_metadata;  ///< metadata are itunes style
+    int chapter_track;
 } MOVContext;
 
-int ff_mp4_read_descr_len(ByteIOContext *pb);
-int ff_mov_read_esds(AVFormatContext *fc, ByteIOContext *pb, MOVAtom atom);
+int ff_mp4_read_descr_len(AVIOContext *pb);
+int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag);
+int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb);
+void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id);
+
+#define MP4ODescrTag                    0x01
+#define MP4IODescrTag                   0x02
+#define MP4ESDescrTag                   0x03
+#define MP4DecConfigDescrTag            0x04
+#define MP4DecSpecificDescrTag          0x05
+#define MP4SLDescrTag                   0x06
+
+int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb, MOVAtom atom);
 enum CodecID ff_mov_get_lpcm_codec_id(int bps, int flags);
 
+int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries);
+
 #endif /* AVFORMAT_ISOM_H */