diff options
Diffstat (limited to 'libavformat/avformat.h')
| -rw-r--r-- | libavformat/avformat.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libavformat/avformat.h b/libavformat/avformat.h index 675c13c38f..bf6f96d2a4 100644 --- a/libavformat/avformat.h +++ b/libavformat/avformat.h @@ -1039,6 +1039,25 @@ AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened); AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max); /** + * Probe a bytestream to determine the input format. Each time a probe returns + * with a score that is too low, the probe buffer size is increased and another + * attempt is made. When the maximum probe size is reached, the input format + * with the highest score is returned. + * + * @param pb the bytestream to probe + * @param fmt the input format is put here + * @param filename the filename of the stream + * @param logctx the log context + * @param offset the offset within the bytestream to probe from + * @param max_probe_size the maximum probe buffer size (zero for default) + * @return 0 in case of success, a negative value corresponding to an + * AVERROR code otherwise + */ +int av_probe_input_buffer(ByteIOContext *pb, AVInputFormat **fmt, + const char *filename, void *logctx, + unsigned int offset, unsigned int max_probe_size); + +/** * Allocate all the structures needed to read an input stream. * This does not open the needed codecs for decoding the stream[s]. */ |