/* * 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_AVCODEC_H#define AVFILTER_AVCODEC_H /** * @file * libavcodec/libavfilter gluing utilities * * This should be included in an application ONLY if the installed * libavfilter has been compiled with libavcodec support, otherwise * symbols defined below will not be available. */ #include "libavcodec/avcodec.h" // AVFrame#include "avfilter.h"#include "vsrc_buffer.h" /** * Copy the frame properties of src to dst, without copying the actual * image data. */void avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src); /** * Create and return a picref reference from the data and properties * contained in frame. * * @param perms permissions to assign to the new buffer reference */AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame, int perms); /** * Fill an AVFrame with the information stored in picref. * * @param frame an already allocated AVFrame * @param picref a video buffer reference * @return 0 in case of success, a negative AVERROR code in case of * failure */int avfilter_fill_frame_from_video_buffer_ref(AVFrame *frame,                                              const AVFilterBufferRef *picref); /** * Add frame data to buffer_src. * * @param buffer_src pointer to a buffer source context * @param flags a combination of AV_VSRC_BUF_FLAG_* flags * @return >= 0 in case of success, a negative AVERROR code in case of * failure */int av_vsrc_buffer_add_frame(AVFilterContext *buffer_src,                             const AVFrame *frame, int flags); #endif /* AVFILTER_AVCODEC_H */