diff options
Diffstat (limited to 'libavfilter/avfilter.h')
| -rw-r--r-- | libavfilter/avfilter.h | 42 |
1 files changed, 32 insertions, 10 deletions
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h index 8251f2bf0e..7a844c4a11 100644 --- a/libavfilter/avfilter.h +++ b/libavfilter/avfilter.h @@ -26,7 +26,7 @@ #include "libavutil/samplefmt.h" #define LIBAVFILTER_VERSION_MAJOR 1 -#define LIBAVFILTER_VERSION_MINOR 78 +#define LIBAVFILTER_VERSION_MINOR 79 #define LIBAVFILTER_VERSION_MICRO 0 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ @@ -98,8 +98,7 @@ typedef struct AVFilterBuffer { */ typedef struct AVFilterBufferRefAudioProps { int64_t channel_layout; ///< channel layout of audio buffer - int nb_samples; ///< number of audio samples - int size; ///< audio buffer size + int nb_samples; ///< number of audio samples per channel uint32_t sample_rate; ///< audio buffer sample rate int planar; ///< audio buffer - planar or packed } AVFilterBufferRefAudioProps; @@ -234,7 +233,8 @@ typedef struct AVFilterFormats { * Create a list of supported formats. This is intended for use in * AVFilter->query_formats(). * - * @param fmts list of media formats, terminated by -1 + * @param fmts list of media formats, terminated by -1. If NULL an + * empty list is created. * @return the format list, with no existing references */ AVFilterFormats *avfilter_make_format_list(const int *fmts); @@ -372,7 +372,7 @@ struct AVFilterPad { * Input audio pads only. */ AVFilterBufferRef *(*get_audio_buffer)(AVFilterLink *link, int perms, - enum AVSampleFormat sample_fmt, int size, + enum AVSampleFormat sample_fmt, int nb_samples, int64_t channel_layout, int planar); /** @@ -461,7 +461,7 @@ AVFilterBufferRef *avfilter_default_get_video_buffer(AVFilterLink *link, /** default handler for get_audio_buffer() for audio inputs */ AVFilterBufferRef *avfilter_default_get_audio_buffer(AVFilterLink *link, int perms, - enum AVSampleFormat sample_fmt, int size, + enum AVSampleFormat sample_fmt, int nb_samples, int64_t channel_layout, int planar); /** @@ -636,6 +636,11 @@ int avfilter_link(AVFilterContext *src, unsigned srcpad, AVFilterContext *dst, unsigned dstpad); /** + * Free the link in *link, and set its pointer to NULL. + */ +void avfilter_link_free(AVFilterLink **link); + +/** * Negotiate the media format, dimensions, etc of all inputs to a filter. * * @param filter the filter to negotiate the properties for its inputs @@ -669,7 +674,7 @@ AVFilterBufferRef *avfilter_get_video_buffer(AVFilterLink *link, int perms, * @param format the pixel format of the image specified by the data and linesize arrays */ AVFilterBufferRef * -avfilter_get_video_buffer_ref_from_arrays(uint8_t *data[4], int linesize[4], int perms, +avfilter_get_video_buffer_ref_from_arrays(uint8_t * const data[4], const int linesize[4], int perms, int w, int h, enum PixelFormat format); /** @@ -679,17 +684,34 @@ avfilter_get_video_buffer_ref_from_arrays(uint8_t *data[4], int linesize[4], int * be requested * @param perms the required access permissions * @param sample_fmt the format of each sample in the buffer to allocate - * @param size the buffer size in bytes + * @param nb_samples the number of samples per channel * @param channel_layout the number and type of channels per sample in the buffer to allocate * @param planar audio data layout - planar or packed * @return A reference to the samples. This must be unreferenced with * avfilter_unref_buffer when you are finished with it. */ AVFilterBufferRef *avfilter_get_audio_buffer(AVFilterLink *link, int perms, - enum AVSampleFormat sample_fmt, int size, + enum AVSampleFormat sample_fmt, int nb_samples, int64_t channel_layout, int planar); /** + * Create an audio buffer reference wrapped around an already + * allocated samples buffer. + * + * @param data pointers to the samples plane buffers + * @param linesize linesize for the samples plane buffers + * @param perms the required access permissions + * @param nb_samples number of samples per channel + * @param sample_fmt the format of each sample in the buffer to allocate + * @param channel_layout the channel layout of the buffer + * @param planar audio data layout - planar or packed + */ +AVFilterBufferRef * +avfilter_get_audio_buffer_ref_from_arrays(uint8_t *data[8], int linesize[8], int perms, + int nb_samples, enum AVSampleFormat sample_fmt, + int64_t channel_layout, int planar); + +/** * Request an input frame from the filter at the other end of the link. * * @param link the input link @@ -861,4 +883,4 @@ static inline void avfilter_insert_outpad(AVFilterContext *f, unsigned index, &f->output_pads, &f->outputs, p); } -#endif /* AVFILTER_AVFILTER_H */ +#endif /* AVFILTER_AVFILTER_H */ |