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125 lines
4.1 KiB
125 lines
4.1 KiB
/* |
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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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* @return 0 on success, a negative number on error. |
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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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* Copy the frame properties and data pointers of src to dst, without copying |
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* the actual data. |
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* |
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* @return 0 on success, a negative number on error. |
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*/ |
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int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *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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