#ifndef AVFORMAT_ISOM_H
#define AVFORMAT_ISOM_H
+#include "avio.h"
#include "riff.h"
+#include "dv.h"
/* isom.c */
extern const AVCodecTag ff_mp4_obj_type[];
int ff_mov_iso639_to_lang(const char *lang, int mp4);
int ff_mov_lang_to_iso639(unsigned code, char *to);
+/* the QuickTime file format is quite convoluted...
+ * it has lots of index tables, each indexing something in another one...
+ * Here we just use what is needed to read the chunks
+ */
+
typedef struct {
int count;
int duration;
} MOVStts;
+typedef struct {
+ int first;
+ int count;
+ int id;
+} MOVStsc;
+
+typedef struct {
+ uint32_t type;
+ char *path;
+} MOVDref;
+
+typedef struct {
+ uint32_t type;
+ int64_t offset;
+ int64_t size; /* total size (excluding the size and type fields) */
+} MOVAtom;
+
+struct MOVParseTableEntry;
+
+typedef struct {
+ unsigned track_id;
+ uint64_t base_data_offset;
+ uint64_t moof_offset;
+ unsigned stsd_id;
+ unsigned duration;
+ unsigned size;
+ unsigned flags;
+} MOVFragment;
+
+typedef struct {
+ unsigned track_id;
+ unsigned stsd_id;
+ unsigned duration;
+ unsigned size;
+ unsigned flags;
+} MOVTrackExt;
+
+typedef struct MOVStreamContext {
+ ByteIOContext *pb;
+ int ffindex; /* the ffmpeg stream id */
+ int next_chunk;
+ unsigned int chunk_count;
+ int64_t *chunk_offsets;
+ unsigned int stts_count;
+ MOVStts *stts_data;
+ unsigned int ctts_count;
+ MOVStts *ctts_data;
+ unsigned int stsc_count;
+ MOVStsc *stsc_data;
+ int ctts_index;
+ int ctts_sample;
+ unsigned int sample_size;
+ unsigned int sample_count;
+ int *sample_sizes;
+ unsigned int keyframe_count;
+ int *keyframes;
+ int time_scale;
+ int time_rate;
+ int time_offset; ///< time offset of the first edit list entry
+ int current_sample;
+ unsigned int bytes_per_frame;
+ unsigned int samples_per_frame;
+ int dv_audio_container;
+ int pseudo_stream_id; ///< -1 means demux all ids
+ int16_t audio_cid; ///< stsd audio compression id
+ unsigned drefs_count;
+ MOVDref *drefs;
+ int dref_id;
+ int wrong_dts; ///< dts are wrong due to negative ctts
+ int width; ///< tkhd width
+ int height; ///< tkhd height
+} MOVStreamContext;
+
+typedef struct MOVContext {
+ AVFormatContext *fc;
+ int time_scale;
+ int64_t duration; /* duration of the longest track */
+ int found_moov; /* when both 'moov' and 'mdat' sections has been found */
+ int found_mdat; /* we suppose we have enough data to read the file */
+ AVPaletteControl palette_control;
+ DVDemuxContext *dv_demux;
+ AVFormatContext *dv_fctx;
+ int isom; /* 1 if file is ISO Media (mp4/3gp) */
+ MOVFragment fragment; ///< current fragment in moof atom
+ MOVTrackExt *trex_data;
+ unsigned trex_count;
+ int itunes_metadata; ///< metadata are itunes style
+} MOVContext;
+
#endif /* AVFORMAT_ISOM_H */
#include "avformat.h"
#include "riff.h"
#include "isom.h"
-#include "dv.h"
#include "libavcodec/mpeg4audio.h"
#include "libavcodec/mpegaudiodata.h"
#undef NDEBUG
#include <assert.h>
-/* the QuickTime file format is quite convoluted...
- * it has lots of index tables, each indexing something in another one...
- * Here we just use what is needed to read the chunks
- */
-
-typedef struct {
- int first;
- int count;
- int id;
-} MOVStsc;
-
-typedef struct {
- uint32_t type;
- char *path;
-} MOVDref;
-
-typedef struct {
- uint32_t type;
- int64_t offset;
- int64_t size; /* total size (excluding the size and type fields) */
-} MOVAtom;
-
-struct MOVParseTableEntry;
-
-typedef struct {
- unsigned track_id;
- uint64_t base_data_offset;
- uint64_t moof_offset;
- unsigned stsd_id;
- unsigned duration;
- unsigned size;
- unsigned flags;
-} MOVFragment;
-
-typedef struct {
- unsigned track_id;
- unsigned stsd_id;
- unsigned duration;
- unsigned size;
- unsigned flags;
-} MOVTrackExt;
-
-typedef struct MOVStreamContext {
- ByteIOContext *pb;
- int ffindex; /* the ffmpeg stream id */
- int next_chunk;
- unsigned int chunk_count;
- int64_t *chunk_offsets;
- unsigned int stts_count;
- MOVStts *stts_data;
- unsigned int ctts_count;
- MOVStts *ctts_data;
- unsigned int stsc_count;
- MOVStsc *stsc_data;
- int ctts_index;
- int ctts_sample;
- unsigned int sample_size;
- unsigned int sample_count;
- int *sample_sizes;
- unsigned int keyframe_count;
- int *keyframes;
- int time_scale;
- int time_rate;
- int time_offset; ///< time offset of the first edit list entry
- int current_sample;
- unsigned int bytes_per_frame;
- unsigned int samples_per_frame;
- int dv_audio_container;
- int pseudo_stream_id; ///< -1 means demux all ids
- int16_t audio_cid; ///< stsd audio compression id
- unsigned drefs_count;
- MOVDref *drefs;
- int dref_id;
- int wrong_dts; ///< dts are wrong due to negative ctts
- int width; ///< tkhd width
- int height; ///< tkhd height
-} MOVStreamContext;
-
-typedef struct MOVContext {
- AVFormatContext *fc;
- int time_scale;
- int64_t duration; /* duration of the longest track */
- int found_moov; /* when both 'moov' and 'mdat' sections has been found */
- int found_mdat; /* we suppose we have enough data to read the file */
- AVPaletteControl palette_control;
- DVDemuxContext *dv_demux;
- AVFormatContext *dv_fctx;
- int isom; /* 1 if file is ISO Media (mp4/3gp) */
- MOVFragment fragment; ///< current fragment in moof atom
- MOVTrackExt *trex_data;
- unsigned trex_count;
- int itunes_metadata; ///< metadata are itunes style
-} MOVContext;
-
-
/* XXX: it's the first time I make a recursive parser I think... sorry if it's ugly :P */
/* those functions parse an atom */