buffersink.h

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/*
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVFILTER_BUFFERSINK_H
#define AVFILTER_BUFFERSINK_H

#include "avfilter.h"

int av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags);

#define AV_BUFFERSINK_FLAG_PEEK 1

#define AV_BUFFERSINK_FLAG_NO_REQUEST 2

typedef struct AVBufferSinkParams {
    const enum AVPixelFormat *pixel_fmts; 
} AVBufferSinkParams;

AVBufferSinkParams *av_buffersink_params_alloc(void);

typedef struct AVABufferSinkParams {
    const enum AVSampleFormat *sample_fmts; 
    const int64_t *channel_layouts;         
    const int *channel_counts;              
    int all_channel_counts;                 
    int *sample_rates;                      
} AVABufferSinkParams;

AVABufferSinkParams *av_abuffersink_params_alloc(void);

void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size);

enum AVMediaType av_buffersink_get_type                (const AVFilterContext *ctx);
AVRational       av_buffersink_get_time_base           (const AVFilterContext *ctx);
int              av_buffersink_get_format              (const AVFilterContext *ctx);

AVRational       av_buffersink_get_frame_rate          (const AVFilterContext *ctx);
int              av_buffersink_get_w                   (const AVFilterContext *ctx);
int              av_buffersink_get_h                   (const AVFilterContext *ctx);
AVRational       av_buffersink_get_sample_aspect_ratio (const AVFilterContext *ctx);

int              av_buffersink_get_channels            (const AVFilterContext *ctx);
uint64_t         av_buffersink_get_channel_layout      (const AVFilterContext *ctx);
int              av_buffersink_get_sample_rate         (const AVFilterContext *ctx);

AVBufferRef *    av_buffersink_get_hw_frames_ctx       (const AVFilterContext *ctx);

int av_buffersink_get_frame(AVFilterContext *ctx, AVFrame *frame);

int av_buffersink_get_samples(AVFilterContext *ctx, AVFrame *frame, int nb_samples);

#endif /* AVFILTER_BUFFERSINK_H */