diff options
Diffstat (limited to 'libavfilter/buffersink.h')
-rw-r--r-- | libavfilter/buffersink.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libavfilter/buffersink.h b/libavfilter/buffersink.h index 6f8ac5cdf1..eca3c23896 100644 --- a/libavfilter/buffersink.h +++ b/libavfilter/buffersink.h @@ -26,6 +26,7 @@ #include "avfilter.h" +#if FF_API_AVFILTERBUFFER /** * Struct to use for initializing a buffersink context. */ @@ -94,6 +95,8 @@ void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size); int av_buffersink_get_buffer_ref(AVFilterContext *buffer_sink, AVFilterBufferRef **bufref, int flags); +/* TODO */ +int av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags); /** * Get the number of immediately available frames. @@ -122,6 +125,7 @@ AVRational av_buffersink_get_frame_rate(AVFilterContext *ctx); * @return >= 0 in case of success, a negative AVERROR code in case of * failure. */ +attribute_deprecated int av_buffersink_read(AVFilterContext *ctx, AVFilterBufferRef **buf); /** @@ -140,8 +144,38 @@ int av_buffersink_read(AVFilterContext *ctx, AVFilterBufferRef **buf); * @warning do not mix this function with av_buffersink_read(). Use only one or * the other with a single sink, not both. */ +attribute_deprecated int av_buffersink_read_samples(AVFilterContext *ctx, AVFilterBufferRef **buf, int nb_samples); +#endif + +/** + * Get a frame with filtered data from sink and put it in frame. + * + * @param ctx pointer to a context of a buffersink or abuffersink AVFilter. + * @param frame pointer to an allocated frame that will be filled with data. + * The data must be freed using av_frame_unref() / av_frame_free() + * + * @return >= 0 in case of success, a negative AVERROR code in case of + * failure. + */ +int av_buffersink_get_frame(AVFilterContext *ctx, AVFrame *frame); + +/** + * Same as av_buffersink_get_frame(), but with the ability to specify the number + * of samples read. This function is less efficient than + * av_buffersink_get_frame(), because it copies the data around. + * + * @param ctx pointer to a context of the abuffersink AVFilter. + * @param frame pointer to an allocated frame that will be filled with data. + * The data must be freed using av_frame_unref() / av_frame_free() + * frame will contain exactly nb_samples audio samples, except at + * the end of stream, when it can contain less than nb_samples. + * + * @warning do not mix this function with av_buffersink_get_frame(). Use only one or + * the other with a single sink, not both. + */ +int av_buffersink_get_samples(AVFilterContext *ctx, AVFrame *frame, int nb_samples); /** * @} |