X-Git-Url: http://47.100.26.94:8080/?a=blobdiff_plain;ds=sidebyside;f=app%2Fsrc%2Fmain%2Fjni%2Fffmpeg-3.0.11%2Finclude%2Flibavfilter%2Fbuffersink.h;fp=app%2Fsrc%2Fmain%2Fjni%2Fffmpeg-3.0.11%2Finclude%2Flibavfilter%2Fbuffersink.h;h=e399b9117537943a4602f7fe4564863f74dda65d;hb=577426ccc66649228285c4a0b6ba8752836059c6;hp=0000000000000000000000000000000000000000;hpb=b7202442677d0cf41e6e59870cd6c34e5619b8b9;p=rtmpclient.git diff --git a/app/src/main/jni/ffmpeg-3.0.11/include/libavfilter/buffersink.h b/app/src/main/jni/ffmpeg-3.0.11/include/libavfilter/buffersink.h new file mode 100644 index 0000000..e399b91 --- /dev/null +++ b/app/src/main/jni/ffmpeg-3.0.11/include/libavfilter/buffersink.h @@ -0,0 +1,147 @@ +/* + * 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_BUFFERSINK_H +#define AVFILTER_BUFFERSINK_H + +/** + * @file + * @ingroup lavfi_buffersink + * memory buffer sink API for audio and video + */ + +#include "avfilter.h" + +/** + * @defgroup lavfi_buffersink Buffer sink API + * @ingroup lavfi + * @{ + */ + +/** + * Get a frame with filtered data from sink and put it in frame. + * + * @param ctx pointer to a buffersink or abuffersink filter context. + * @param frame pointer to an allocated frame that will be filled with data. + * The data must be freed using av_frame_unref() / av_frame_free() + * @param flags a combination of AV_BUFFERSINK_FLAG_* flags + * + * @return >= 0 in for success, a negative AVERROR code for failure. + */ +int av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags); + +/** + * Tell av_buffersink_get_buffer_ref() to read video/samples buffer + * reference, but not remove it from the buffer. This is useful if you + * need only to read a video/samples buffer, without to fetch it. + */ +#define AV_BUFFERSINK_FLAG_PEEK 1 + +/** + * Tell av_buffersink_get_buffer_ref() not to request a frame from its input. + * If a frame is already buffered, it is read (and removed from the buffer), + * but if no frame is present, return AVERROR(EAGAIN). + */ +#define AV_BUFFERSINK_FLAG_NO_REQUEST 2 + +/** + * Struct to use for initializing a buffersink context. + */ +typedef struct { + const enum AVPixelFormat *pixel_fmts; ///< list of allowed pixel formats, terminated by AV_PIX_FMT_NONE +} AVBufferSinkParams; + +/** + * Create an AVBufferSinkParams structure. + * + * Must be freed with av_free(). + */ +AVBufferSinkParams *av_buffersink_params_alloc(void); + +/** + * Struct to use for initializing an abuffersink context. + */ +typedef struct { + const enum AVSampleFormat *sample_fmts; ///< list of allowed sample formats, terminated by AV_SAMPLE_FMT_NONE + const int64_t *channel_layouts; ///< list of allowed channel layouts, terminated by -1 + const int *channel_counts; ///< list of allowed channel counts, terminated by -1 + int all_channel_counts; ///< if not 0, accept any channel count or layout + int *sample_rates; ///< list of allowed sample rates, terminated by -1 +} AVABufferSinkParams; + +/** + * Create an AVABufferSinkParams structure. + * + * Must be freed with av_free(). + */ +AVABufferSinkParams *av_abuffersink_params_alloc(void); + +/** + * Set the frame size for an audio buffer sink. + * + * All calls to av_buffersink_get_buffer_ref will return a buffer with + * exactly the specified number of samples, or AVERROR(EAGAIN) if there is + * not enough. The last buffer at EOF will be padded with 0. + */ +void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size); + +/** + * Get the frame rate of the input. + */ +AVRational av_buffersink_get_frame_rate(AVFilterContext *ctx); + +/** + * Get a frame with filtered data from sink and put it in frame. + * + * @param ctx pointer to a context of a buffersink or abuffersink AVFilter. + * @param frame pointer to an allocated frame that will be filled with data. + * The data must be freed using av_frame_unref() / av_frame_free() + * + * @return + * - >= 0 if a frame was successfully returned. + * - AVERROR(EAGAIN) if no frames are available at this point; more + * input frames must be added to the filtergraph to get more output. + * - AVERROR_EOF if there will be no more output frames on this sink. + * - A different negative AVERROR code in other failure cases. + */ +int av_buffersink_get_frame(AVFilterContext *ctx, AVFrame *frame); + +/** + * Same as av_buffersink_get_frame(), but with the ability to specify the number + * of samples read. This function is less efficient than + * av_buffersink_get_frame(), because it copies the data around. + * + * @param ctx pointer to a context of the abuffersink AVFilter. + * @param frame pointer to an allocated frame that will be filled with data. + * The data must be freed using av_frame_unref() / av_frame_free() + * frame will contain exactly nb_samples audio samples, except at + * the end of stream, when it can contain less than nb_samples. + * + * @return The return codes have the same meaning as for + * av_buffersink_get_samples(). + * + * @warning do not mix this function with av_buffersink_get_frame(). Use only one or + * the other with a single sink, not both. + */ +int av_buffersink_get_samples(AVFilterContext *ctx, AVFrame *frame, int nb_samples); + +/** + * @} + */ + +#endif /* AVFILTER_BUFFERSINK_H */