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Diffstat (limited to 'libavfilter/avcodec.h')
-rw-r--r-- | libavfilter/avcodec.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/libavfilter/avcodec.h b/libavfilter/avcodec.h new file mode 100644 index 0000000000..22dd1a263e --- /dev/null +++ b/libavfilter/avcodec.h @@ -0,0 +1,71 @@ +/* + * 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. + */ +int 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 */ |