Added definition and utility functions to handle AVProgram(s) in AVFormatContext

Originally committed as revision 10579 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/avformat.h

@@ -21,8 +21,8 @@
 #ifndef AVFORMAT_H
 #define AVFORMAT_H
 
-#define LIBAVFORMAT_VERSION_INT ((51<<16)+(13<<8)+4)
-#define LIBAVFORMAT_VERSION     51.13.4
+#define LIBAVFORMAT_VERSION_INT ((51<<16)+(14<<8)+0)
+#define LIBAVFORMAT_VERSION     51.14.0
 #define LIBAVFORMAT_BUILD       LIBAVFORMAT_VERSION_INT
 
 #define LIBAVFORMAT_IDENT       "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
@@ -345,6 +345,16 @@ typedef struct AVStream {
     int64_t pts_buffer[MAX_REORDER_DELAY+1];
 } AVStream;
 
+#define AV_PROGRAM_RUNNING 1
+
+typedef struct AVProgram {
+    int            id;
+    char           *provider_name; ///< Network name for DVB streams
+    char           *name;          ///< Service name for DVB streams
+    int            flags;
+    enum AVDiscard discard;        ///< selects which program to discard and which to feed to the caller
+} AVProgram;
+
 #define AVFMTCTX_NOHEADER      0x0001 /**< signal that no header is present
                                          (streams are added dynamically) */
 
@@ -430,6 +440,9 @@ typedef struct AVFormatContext {
 
     const uint8_t *key;
     int keylen;
+
+    unsigned int nb_programs;
+    AVProgram **programs;
 } AVFormatContext;
 
 typedef struct AVPacketList {
@@ -647,6 +660,7 @@ void av_close_input_file(AVFormatContext *s);
  * @param id file format dependent stream id
  */
 AVStream *av_new_stream(AVFormatContext *s, int id);
+AVProgram *av_new_program(AVFormatContext *s, int id);
 
 /**
  * Set the pts for a given stream.

libavformat/utils.c

@@ -2067,6 +2067,11 @@ void av_close_input_file(AVFormatContext *s)
         av_free(st->codec);
         av_free(st);
     }
+    for(i=s->nb_programs-1; i>=0; i--) {
+        av_freep(&s->programs[i]->provider_name);
+        av_freep(&s->programs[i]->name);
+        av_freep(&s->programs[i]);
+    }
     flush_packet_queue(s);
     must_open_file = 1;
     if (s->iformat->flags & AVFMT_NOFILE) {
@@ -2113,6 +2118,43 @@ AVStream *av_new_stream(AVFormatContext *s, int id)
     return st;
 }
 
+AVProgram *av_new_program(AVFormatContext *ac, int id)
+{
+    AVProgram *program=NULL;
+    int i;
+
+#ifdef DEBUG_SI
+    av_log(ac, AV_LOG_DEBUG, "new_program: id=0x%04x\n", id);
+#endif
+
+    for(i=0; i<ac->nb_programs; i++)
+        if(ac->programs[i]->id == id)
+            program = ac->programs[i];
+
+    if(!program){
+        program = av_mallocz(sizeof(AVProgram));
+        if (!program)
+            return NULL;
+        dynarray_add(&ac->programs, &ac->nb_programs, program);
+        program->discard = AVDISCARD_NONE;
+    }
+    program->id = id;
+
+    return program;
+}
+
+void av_set_program_name(AVProgram *program, char *provider_name, char *name)
+{
+    assert(!provider_name == !name);
+    if(name){
+        av_free(program->provider_name);
+        av_free(program->         name);
+        program->provider_name = av_strdup(provider_name);
+        program->         name = av_strdup(         name);
+    }
+}
+
+
 /************************************************************/
 /* output media file */