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Diffstat (limited to 'ffmpeg1/libavfilter/buffersrc.h')
| -rw-r--r-- | ffmpeg1/libavfilter/buffersrc.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/ffmpeg1/libavfilter/buffersrc.h b/ffmpeg1/libavfilter/buffersrc.h deleted file mode 100644 index 66361b3..0000000 --- a/ffmpeg1/libavfilter/buffersrc.h +++ /dev/null @@ -1,148 +0,0 @@ -/* - * - * This file is part of Libav. - * - * Libav 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. - * - * Libav 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 Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVFILTER_BUFFERSRC_H -#define AVFILTER_BUFFERSRC_H - -/** - * @file - * Memory buffer source API. - */ - -#include "libavcodec/avcodec.h" -#include "avfilter.h" - -enum { - - /** - * Do not check for format changes. - */ - AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT = 1, - -#if FF_API_AVFILTERBUFFER - /** - * Ignored - */ - AV_BUFFERSRC_FLAG_NO_COPY = 2, -#endif - - /** - * Immediately push the frame to the output. - */ - AV_BUFFERSRC_FLAG_PUSH = 4, - - /** - * Keep a reference to the frame. - * If the frame if reference-counted, create a new reference; otherwise - * copy the frame data. - */ - AV_BUFFERSRC_FLAG_KEEP_REF = 8, - -}; - -/** - * Add buffer data in picref to buffer_src. - * - * @param buffer_src pointer to a buffer source context - * @param picref a buffer reference, or NULL to mark EOF - * @param flags a combination of AV_BUFFERSRC_FLAG_* - * @return >= 0 in case of success, a negative AVERROR code - * in case of failure - */ -int av_buffersrc_add_ref(AVFilterContext *buffer_src, - AVFilterBufferRef *picref, int flags); - -/** - * Get the number of failed requests. - * - * A failed request is when the request_frame method is called while no - * frame is present in the buffer. - * The number is reset when a frame is added. - */ -unsigned av_buffersrc_get_nb_failed_requests(AVFilterContext *buffer_src); - -#if FF_API_AVFILTERBUFFER -/** - * Add a buffer to the filtergraph s. - * - * @param buf buffer containing frame data to be passed down the filtergraph. - * This function will take ownership of buf, the user must not free it. - * A NULL buf signals EOF -- i.e. no more frames will be sent to this filter. - * - * @deprecated use av_buffersrc_write_frame() or av_buffersrc_add_frame() - */ -attribute_deprecated -int av_buffersrc_buffer(AVFilterContext *s, AVFilterBufferRef *buf); -#endif - -/** - * Add a frame to the buffer source. - * - * @param s an instance of the buffersrc filter. - * @param frame frame to be added. If the frame is reference counted, this - * function will make a new reference to it. Otherwise the frame data will be - * copied. - * - * @return 0 on success, a negative AVERROR on error - * - * This function is equivalent to av_buffersrc_add_frame_flags() with the - * AV_BUFFERSRC_FLAG_KEEP_REF flag. - */ -int av_buffersrc_write_frame(AVFilterContext *s, const AVFrame *frame); - -/** - * Add a frame to the buffer source. - * - * @param s an instance of the buffersrc filter. - * @param frame frame to be added. If the frame is reference counted, this - * function will take ownership of the reference(s) and reset the frame. - * Otherwise the frame data will be copied. If this function returns an error, - * the input frame is not touched. - * - * @return 0 on success, a negative AVERROR on error. - * - * @note the difference between this function and av_buffersrc_write_frame() is - * that av_buffersrc_write_frame() creates a new reference to the input frame, - * while this function takes ownership of the reference passed to it. - * - * This function is equivalent to av_buffersrc_add_frame_flags() without the - * AV_BUFFERSRC_FLAG_KEEP_REF flag. - */ -int av_buffersrc_add_frame(AVFilterContext *ctx, AVFrame *frame); - -/** - * Add a frame to the buffer source. - * - * By default, if the frame is reference-counted, this function will take - * ownership of the reference(s) and reset the frame. This can be controled - * using the flags. - * - * If this function returns an error, the input frame is not touched. - * - * @param buffer_src pointer to a buffer source context - * @param frame a frame, or NULL to mark EOF - * @param flags a combination of AV_BUFFERSRC_FLAG_* - * @return >= 0 in case of success, a negative AVERROR code - * in case of failure - */ -int av_buffersrc_add_frame_flags(AVFilterContext *buffer_src, - AVFrame *frame, int flags); - - -#endif /* AVFILTER_BUFFERSRC_H */ |
