文件列表:

Makefile (162, 2020-11-05)
include (0, 2019-11-25)
include\libavcodec (0, 2019-11-25)
include\libavcodec\avcodec.h (214716, 2019-11-22)
include\libavcodec\avdct.h (2570, 2019-11-22)
include\libavcodec\avfft.h (3111, 2019-11-22)
include\libavcodec\d3d11va.h (2853, 2019-11-22)
include\libavcodec\dirac.h (4044, 2019-11-22)
include\libavcodec\dv_profile.h (3715, 2019-11-22)
include\libavcodec\dxva2.h (2361, 2019-11-22)
include\libavcodec\jni.h (1650, 2019-11-22)
include\libavcodec\mediacodec.h (2825, 2019-11-22)
include\libavcodec\qsv.h (3763, 2019-11-22)
include\libavcodec\vaapi.h (4550, 2019-11-22)
include\libavcodec\vda.h (5928, 2019-11-22)
include\libavcodec\vdpau.h (7893, 2019-11-22)
include\libavcodec\version.h (8269, 2019-11-22)
include\libavcodec\videotoolbox.h (4029, 2019-11-22)
include\libavcodec\vorbis_parser.h (2356, 2019-11-22)
include\libavcodec\xvmc.h (6062, 2019-11-22)
include\libavdevice (0, 2019-11-25)
include\libavdevice\avdevice.h (17918, 2019-11-22)
include\libavdevice\version.h (1861, 2019-11-22)
include\libavfilter (0, 2019-11-25)
include\libavfilter\avfilter.h (42574, 2019-11-22)
include\libavfilter\avfiltergraph.h (975, 2019-11-22)
include\libavfilter\buffersink.h (6277, 2019-11-22)
include\libavfilter\buffersrc.h (6318, 2019-11-22)
include\libavfilter\version.h (2696, 2019-11-22)
include\libavformat (0, 2019-11-25)
include\libavformat\avformat.h (115772, 2019-11-22)
include\libavformat\avio.h (30318, 2019-11-22)
include\libavformat\version.h (3897, 2019-11-22)
include\libavutil (0, 2019-11-25)
include\libavutil\adler32.h (1673, 2019-11-22)
include\libavutil\aes.h (1834, 2019-11-22)
include\libavutil\aes_ctr.h (2119, 2019-11-22)
include\libavutil\attributes.h (4575, 2019-11-22)
include\libavutil\audio_fifo.h (5914, 2019-11-22)
include\libavutil\avassert.h (2355, 2019-11-22)
... ...

/* * 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 AVUTIL_THREADMESSAGE_H #define AVUTIL_THREADMESSAGE_H typedef struct AVThreadMessageQueue AVThreadMessageQueue; typedef enum AVThreadMessageFlags { /** * Perform non-blocking operation. * If this flag is set, send and recv operations are non-blocking and * return AVERROR(EAGAIN) immediately if they can not proceed. */ AV_THREAD_MESSAGE_NONBLOCK = 1, } AVThreadMessageFlags; /** * Allocate a new message queue. * * @param mq pointer to the message queue * @param nelem maximum number of elements in the queue * @param elsize size of each element in the queue * @return >=0 for success; <0 for error, in particular AVERROR(ENOSYS) if * lavu was built without thread support */ int av_thread_message_queue_alloc(AVThreadMessageQueue **mq, unsigned nelem, unsigned elsize); /** * Free a message queue. * * The message queue must no longer be in use by another thread. */ void av_thread_message_queue_free(AVThreadMessageQueue **mq); /** * Send a message on the queue. */ int av_thread_message_queue_send(AVThreadMessageQueue *mq, void *msg, unsigned flags); /** * Receive a message from the queue. */ int av_thread_message_queue_recv(AVThreadMessageQueue *mq, void *msg, unsigned flags); /** * Set the sending error code. * * If the error code is set to non-zero, av_thread_message_queue_send() will * return it immediately. Conventional values, such as AVERROR_EOF or * AVERROR(EAGAIN), can be used to cause the sending thread to stop or * suspend its operation. */ void av_thread_message_queue_set_err_send(AVThreadMessageQueue *mq, int err); /** * Set the receiving error code. * * If the error code is set to non-zero, av_thread_message_queue_recv() will * return it immediately when there are no longer available messages. * Conventional values, such as AVERROR_EOF or AVERROR(EAGAIN), can be used * to cause the receiving thread to stop or suspend its operation. */ void av_thread_message_queue_set_err_recv(AVThreadMessageQueue *mq, int err); /** * Set the optional free message callback function which will be called if an * operation is removing messages from the queue. */ void av_thread_message_queue_set_free_func(AVThreadMessageQueue *mq, void (*free_func)(void *msg)); /** * Flush the message queue * * This function is mostly equivalent to reading and free-ing every message * except that it will be done in a single operation (no lock/unlock between * reads). */ void av_thread_message_flush(AVThreadMessageQueue *mq); #endif /* AVUTIL_THREADMESSAGE_H */

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