mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
2.9 KiB
94 lines
2.9 KiB
/* |
|
* 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_VSINK_BUFFER_H |
|
#define AVFILTER_VSINK_BUFFER_H |
|
|
|
/** |
|
* @file |
|
* memory buffer sink API for audio and video |
|
*/ |
|
|
|
#include "avfilter.h" |
|
|
|
/** |
|
* Struct to use for initializing a buffersink context. |
|
*/ |
|
typedef struct { |
|
const enum PixelFormat *pixel_fmts; ///< list of allowed pixel formats, terminated by PIX_FMT_NONE |
|
} AVBufferSinkParams; |
|
|
|
/** |
|
* Create an AVBufferSinkParams structure. |
|
* |
|
* Must be freed with av_free(). |
|
*/ |
|
AVBufferSinkParams *av_buffersink_params_alloc(void); |
|
|
|
/** |
|
* Struct to use for initializing an abuffersink context. |
|
*/ |
|
typedef struct { |
|
const enum AVSampleFormat *sample_fmts; ///< list of allowed sample formats, terminated by AV_SAMPLE_FMT_NONE |
|
const int64_t *channel_layouts; ///< list of allowed channel layouts, terminated by -1 |
|
const int *packing_fmts; ///< list of allowed packing formats |
|
} AVABufferSinkParams; |
|
|
|
/** |
|
* Create an AVABufferSinkParams structure. |
|
* |
|
* Must be freed with av_free(). |
|
*/ |
|
AVABufferSinkParams *av_abuffersink_params_alloc(void); |
|
|
|
/** |
|
* Tell av_buffersink_get_buffer_ref() to read video/samples buffer |
|
* reference, but not remove it from the buffer. This is useful if you |
|
* need only to read a video/samples buffer, without to fetch it. |
|
*/ |
|
#define AV_BUFFERSINK_FLAG_PEEK 1 |
|
|
|
/** |
|
* Get an audio/video buffer data from buffer_sink and put it in bufref. |
|
* |
|
* This function works with both audio and video buffer sinks. |
|
* |
|
* @param buffer_sink pointer to a buffersink or abuffersink context |
|
* @param flags a combination of AV_BUFFERSINK_FLAG_* flags |
|
* @return >= 0 in case of success, a negative AVERROR code in case of |
|
* failure |
|
*/ |
|
int av_buffersink_get_buffer_ref(AVFilterContext *buffer_sink, |
|
AVFilterBufferRef **bufref, int flags); |
|
|
|
|
|
/** |
|
* Get the number of immediately available frames. |
|
*/ |
|
int av_buffersink_poll_frame(AVFilterContext *ctx); |
|
|
|
#if FF_API_OLD_VSINK_API |
|
/** |
|
* @deprecated Use av_buffersink_get_buffer_ref() instead. |
|
*/ |
|
attribute_deprecated |
|
int av_vsink_buffer_get_video_buffer_ref(AVFilterContext *buffer_sink, |
|
AVFilterBufferRef **picref, int flags); |
|
#endif |
|
|
|
#endif /* AVFILTER_VSINK_BUFFER_H */
|
|
|