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

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Originally committed as revision 10579 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Nico Sabbi 2007-09-25 20:45:46 +00:00
parent 9990460353
commit 15afa396e4
2 changed files with 58 additions and 2 deletions
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18
libavformat/avformat.h
View File

@ -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.

42
libavformat/utils.c
View File

@ -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 */