116 lines
3.8 KiB
C
116 lines
3.8 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFILTER_AVCODEC_H
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#define AVFILTER_AVCODEC_H
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/**
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* @file
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* libavcodec/libavfilter gluing utilities
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*
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* This should be included in an application ONLY if the installed
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* libavfilter has been compiled with libavcodec support, otherwise
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* symbols defined below will not be available.
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*/
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#include "libavcodec/avcodec.h" // AVFrame
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#include "avfilter.h"
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#include "vsrc_buffer.h"
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/**
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* Copy the frame properties of src to dst, without copying the actual
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* image data.
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*/
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int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src);
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/**
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* Create and return a picref reference from the data and properties
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* contained in frame.
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*
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* @param perms permissions to assign to the new buffer reference
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*/
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AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame, int perms);
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/**
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* Create and return a picref reference from the data and properties
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* contained in frame.
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*
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* @param perms permissions to assign to the new buffer reference
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*/
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AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_frame(const AVFrame *frame,
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int perms);
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/**
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* Fill an AVFrame with the information stored in samplesref.
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*
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* @param frame an already allocated AVFrame
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* @param samplesref an audio buffer reference
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* @return 0 in case of success, a negative AVERROR code in case of
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* failure
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*/
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int avfilter_fill_frame_from_audio_buffer_ref(AVFrame *frame,
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const AVFilterBufferRef *samplesref);
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/**
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* Fill an AVFrame with the information stored in picref.
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*
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* @param frame an already allocated AVFrame
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* @param picref a video buffer reference
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* @return 0 in case of success, a negative AVERROR code in case of
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* failure
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*/
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int avfilter_fill_frame_from_video_buffer_ref(AVFrame *frame,
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const AVFilterBufferRef *picref);
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/**
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* Fill an AVFrame with information stored in ref.
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*
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* @param frame an already allocated AVFrame
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* @param ref a video or audio buffer reference
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* @return 0 in case of success, a negative AVERROR code in case of
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* failure
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*/
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int avfilter_fill_frame_from_buffer_ref(AVFrame *frame,
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const AVFilterBufferRef *ref);
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/**
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* Add frame data to buffer_src.
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*
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* @param buffer_src pointer to a buffer source context
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* @param frame a frame, or NULL to mark EOF
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* @param flags a combination of AV_BUFFERSRC_FLAG_*
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* @return >= 0 in case of success, a negative AVERROR code
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* in case of failure
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*/
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int av_buffersrc_add_frame(AVFilterContext *buffer_src,
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const AVFrame *frame, int flags);
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/**
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* Add frame data to buffer_src.
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*
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* @param buffer_src pointer to a buffer source context
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* @param flags a combination of AV_VSRC_BUF_FLAG_* flags
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* @return >= 0 in case of success, a negative AVERROR code in case of
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* failure
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*/
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int av_vsrc_buffer_add_frame(AVFilterContext *buffer_src,
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const AVFrame *frame, int flags);
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#endif /* AVFILTER_AVCODEC_H */
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