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
上 传 者:
做手术
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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