the long-waited MUXER layer, and new MPEG-PS muxer

patch by Andriy N. Gritsenko <andrej@lucky.net>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8586 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 74 insertions, 0 deletions

diff --git a/libmpdemux/muxer.h b/libmpdemux/muxer.h
new file mode 100644
index 0000000000..4410209559
--- /dev/null
+++ b/libmpdemux/muxer.h
@@ -0,0 +1,74 @@
+
+#define MUXER_MAX_STREAMS 16
+
+#define MUXER_TYPE_VIDEO 0
+#define MUXER_TYPE_AUDIO 1
+
+#define MUXER_TYPE_AVI 0
+#define MUXER_TYPE_MPEG 1
+
+#define MUXER_MPEG_BLOCKSIZE 2048	// 2048 or 2324 - ?
+
+typedef struct {
+  // muxer data:
+  int type;  // audio or video
+  int id;    // stream no
+  uint32_t ckid; // chunk id (00dc 01wb etc)
+  double timer;
+  off_t size;
+  // buffering:
+  unsigned char *buffer;
+  unsigned int buffer_size;
+  unsigned int buffer_len;
+  // mpeg block buffer:
+  unsigned char *b_buffer;
+  unsigned int b_buffer_ptr;
+  // source stream:
+  void* source; // sh_audio or sh_video
+  int codec; // codec used for encoding. 0 means copy
+  // avi stream header:
+  AVIStreamHeader h;  // Rate/Scale and SampleSize must be filled by caller!
+  // stream specific:
+  WAVEFORMATEX *wf;
+  BITMAPINFOHEADER *bih;   // in format
+  // mpeg specific:
+  unsigned int gop_start; // frame number of this GOP start
+  size_t ipb[3]; // sizes of I/P/B frames
+} muxer_stream_t;
+
+typedef struct {
+  uint32_t id;
+  char *text;
+} muxer_info_t;
+
+typedef struct muxer_t{
+  // encoding:
+  MainAVIHeader avih;
+  unsigned int movi_start;
+  unsigned int movi_end;
+  unsigned int file_end; // for MPEG it's system timestamp in 1/90000 s
+  // index:
+  AVIINDEXENTRY *idx;
+  int idx_pos;
+  int idx_size;
+  // streams:
+  int num_videos;	// for MPEG recalculations
+  unsigned int sysrate;	// max rate in bytes/s
+  //int num_streams;
+  muxer_stream_t* def_v;  // default video stream (for general headers)
+  muxer_stream_t* streams[MUXER_MAX_STREAMS];
+  void (*cont_write_chunk)(struct muxer_t *,muxer_stream_t *,FILE *,size_t,unsigned int);
+  void (*cont_write_header)(struct muxer_t *,FILE *);
+  void (*cont_write_index)(struct muxer_t *,FILE *);
+  muxer_stream_t* (*cont_new_stream)(struct muxer_t *,int);
+} muxer_t;
+
+muxer_t* muxer_new_muxer(int type);
+#define muxer_new_stream(muxer,a) muxer->cont_new_stream(muxer,a)
+#define muxer_write_chunk(muxer,a,b,c,d) muxer->cont_write_chunk(muxer,a,b,c,d)
+#define muxer_write_header(muxer,f) muxer->cont_write_header(muxer,f)
+#define muxer_write_index(muxer,f) muxer->cont_write_index(muxer,f)
+
+void muxer_init_muxer_avi(muxer_t *);
+void muxer_init_muxer_mpeg(muxer_t *);
+