ffmpeg-opencv-demo

所属分类:其他
开发工具:C/C++
文件大小:43966KB
下载次数:2
上传日期:2020-07-06 09:31:12
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说明:  使用ffmpeg、opencv来对.h264进行编解码,还能够播放的一个例子
(Use FFMPEG, Opencv to encode and decode. H264, can also play an example)

文件列表:
Demo\Demo\FFmpeg\include\libavcodec\ac3_parser.h (1207, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\adler32.h (1673, 2018-07-25)
Demo\Demo\FFmpeg\include\libavcodec\adts_parser.h (1354, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\aes.h (1834, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\aes_ctr.h (2269, 2018-07-25)
Demo\Demo\OpenCV\include\opencv2\flann\allocator.h (6425, 2017-12-19)
Demo\Demo\OpenCV\include\opencv2\flann\all_indices.h (6110, 2017-12-19)
Demo\Demo\OpenCV\include\opencv2\flann\any.h (8777, 2017-12-19)
Demo\Demo\FFmpeg\include\libavutil\attributes.h (4714, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\audio_fifo.h (5914, 2018-07-25)
Demo\Demo\OpenCV\include\opencv2\flann\autotuned_index.h (21483, 2017-12-19)
Demo\Demo\FFmpeg\include\libavutil\avassert.h (2355, 2018-07-25)
Demo\Demo\FFmpeg\include\libavcodec\avcodec.h (211684, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\avconfig.h (180, 2018-07-25)
Demo\Demo\FFmpeg\include\libavcodec\avdct.h (2570, 2018-07-25)
Demo\Demo\FFmpeg\include\libavdevice\avdevice.h (17918, 2018-07-25)
Demo\Demo\FFmpeg\include\libavcodec\avfft.h (3111, 2018-07-25)
Demo\Demo\FFmpeg\include\libavfilter\avfilter.h (42263, 2018-07-25)
Demo\Demo\FFmpeg\include\libavformat\avformat.h (117558, 2018-07-25)
Demo\Demo\FFmpeg\include\libavformat\avio.h (31557, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\avstring.h (14095, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\avutil.h (9576, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\base64.h (2285, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\blowfish.h (2394, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\bprint.h (7797, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\bswap.h (2858, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\buffer.h (10646, 2018-07-25)
Demo\Demo\FFmpeg\include\libavfilter\buffersink.h (6316, 2018-07-25)
Demo\Demo\FFmpeg\include\libavfilter\buffersrc.h (6608, 2018-07-25)
Demo\Demo\OpenCV\include\opencv2\calib3d\calib3d_c.h (20607, 2017-12-19)
Demo\Demo\FFmpeg\include\libavutil\camellia.h (2139, 2018-07-25)
Demo\Demo\OpenCV\include\opencv2\videoio\cap_ios.h (4989, 2017-12-19)
Demo\Demo\FFmpeg\include\libavutil\cast5.h (2561, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\channel_layout.h (9613, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\common.h (16543, 2018-07-25)
Demo\Demo\OpenCV\include\opencv2\flann\composite_index.h (6182, 2017-12-19)
Demo\Demo\OpenCV\include\opencv2\flann\config.h (1827, 2017-12-19)
Demo\Demo\OpenCV\include\opencv2\core\core_c.h (134413, 2018-02-13)
Demo\Demo\FFmpeg\include\libavutil\cpu.h (5682, 2018-07-25)
Demo\Demo\FFmpeg\include\libavutil\crc.h (3137, 2018-07-25)
... ...

/* * 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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