diff --git a/libswresample/swresample.c b/libswresample/swresample.c index f97a2c1b19..4443a97106 100644 --- a/libswresample/swresample.c +++ b/libswresample/swresample.c @@ -70,6 +70,22 @@ static const AVClass av_class = { .parent_log_context_offset = OFFSET(log_ctx), }; +unsigned swresample_version(void) +{ + return LIBSWRESAMPLE_VERSION_MICRO; +} + +const char *swresample_configuration(void) +{ + return FFMPEG_CONFIGURATION; +} + +const char *swresample_license(void) +{ +#define LICENSE_PREFIX "libswresample license: " + return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1; +} + int swr_set_channel_mapping(struct SwrContext *s, const int *channel_map){ if(!s || s->in_convert) // s needs to be allocated but not initialized return AVERROR(EINVAL); diff --git a/libswresample/swresample.h b/libswresample/swresample.h index fad09358d5..c2bbea5c15 100644 --- a/libswresample/swresample.h +++ b/libswresample/swresample.h @@ -122,4 +122,19 @@ void swr_compensate(struct SwrContext *s, int sample_delta, int compensation_dis */ int swr_set_channel_mapping(struct SwrContext *s, const int *channel_map); +/** + * Return the LIBSWRESAMPLE_VERSION_INT constant. + */ +unsigned swresample_version(void); + +/** + * Return the swr build-time configuration. + */ +const char *swresample_configuration(void); + +/** + * Return the swr license. + */ +const char *swresample_license(void); + #endif