API changes, most recent first:
+2011-08-22 - xxxxxx - lavf 53.10.0
+ Add av_find_program_from_stream().
+
2011-08-20 - xxxxxx - lavu 51.13.0
Add av_get_media_type_string().
int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options);
/**
+ * Find the programs which belong to a given stream.
+ *
+ * @param ic media file handle
+ * @param last the last found program, the search will start after this
+ * program, or from the beginning if it is NULL
+ * @param s stream index
+ * @return the next program which belongs to s, NULL if no program is found or
+ * the last program is not among the programs of ic.
+ */
+AVProgram *av_find_program_from_stream(AVFormatContext *ic, AVProgram *last, int s);
+
+/**
* Find the "best" stream in the file.
* The best stream is determined according to various heuristics as the most
* likely to be what the user expects.
return ret;
}
-static AVProgram *find_program_from_stream(AVFormatContext *ic, int s)
+AVProgram *av_find_program_from_stream(AVFormatContext *ic, AVProgram *last, int s)
{
int i, j;
- for (i = 0; i < ic->nb_programs; i++)
- for (j = 0; j < ic->programs[i]->nb_stream_indexes; j++)
- if (ic->programs[i]->stream_index[j] == s)
- return ic->programs[i];
+ for (i = 0; i < ic->nb_programs; i++) {
+ if (ic->programs[i] == last) {
+ last = NULL;
+ } else {
+ if (!last)
+ for (j = 0; j < ic->programs[i]->nb_stream_indexes; j++)
+ if (ic->programs[i]->stream_index[j] == s)
+ return ic->programs[i];
+ }
+ }
return NULL;
}
AVCodec *decoder = NULL, *best_decoder = NULL;
if (related_stream >= 0 && wanted_stream_nb < 0) {
- AVProgram *p = find_program_from_stream(ic, related_stream);
+ AVProgram *p = av_find_program_from_stream(ic, NULL, related_stream);
if (p) {
program = p->stream_index;
nb_streams = p->nb_stream_indexes;
#include "libavutil/avutil.h"
#define LIBAVFORMAT_VERSION_MAJOR 53
-#define LIBAVFORMAT_VERSION_MINOR 9
+#define LIBAVFORMAT_VERSION_MINOR 10
#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \