炫酷网站推荐,出货入货库存的软件,给酒吧做网站,网站首页跳出弹窗一、简介 本播放器是在vs2019下开发#xff0c;通过ffmpeg实现拉流解码功能#xff0c;通过D3D实现视频的渲染功能。截图功能采用libjpeg实现#xff0c;可以截取jpg图片#xff0c;图片的默认保存路径是在C:\MYRecPath中。录像功能采用封装好的类Mp4Record实现#xff0c…一、简介 本播放器是在vs2019下开发通过ffmpeg实现拉流解码功能通过D3D实现视频的渲染功能。截图功能采用libjpeg实现可以截取jpg图片图片的默认保存路径是在C:\MYRecPath中。录像功能采用封装好的类Mp4Record实现在Mp4Record类中主要还是采用ffmpeg的相关函数方法进行mp4视频的录制。音频的播放采用DirectSound实现将ffmpeg解码后的音频数据存储到DirectSound的buffer中再调用DirectSound的play实现对音频的播放功能。码流信息的显示通过D3D的文本绘制实现。本播放器提供源码下载直接下载请点击最后的下载链接。
二、界面展示 三、相关代码
开始播放
int CVideoPlayer::StartPlay(const char* sUrl)
{m_bStop false;m_nVideoIndex -1;m_nAudioIndex -1;int i 0, res 0, nValue 0;char buf[64] { 0 };m_bPlaying false;AVStream* in_stream;_snprintf_s(m_sConnectUrl, sizeof(m_sConnectUrl), sizeof(m_sConnectUrl) - 1, %s, sUrl);//av_register_all();avformat_network_init();AVDictionary* optionsDict nullptr;av_dict_set(optionsDict, rtsp_transport, tcp, 0);av_dict_set(optionsDict, stimeout, 5000000, 0);av_dict_set(optionsDict, buffer_size, 8192000, 0);av_dict_set(optionsDict, recv_buffer_size, 8192000, 0);m_lastReadPacktTime av_gettime();m_pAVFmtCxt avformat_alloc_context();m_pAVFmtCxt-interrupt_callback.opaque this;m_pAVFmtCxt-interrupt_callback.callback decodeInterruptCb;res avformat_open_input(m_pAVFmtCxt, m_sConnectUrl, NULL, optionsDict);if (res 0){myprint(avformat_open_input fail: %d, res);return -1;}if (!m_pAVFmtCxt){return -1;}m_pAVFmtCxt-probesize 100 * 1024; m_pAVFmtCxt-max_analyze_duration 1 * AV_TIME_BASE; res avformat_find_stream_info(m_pAVFmtCxt, NULL);if (res 0){myprint(error %x in avformat_find_stream_info\n, res);return -1;}av_dump_format(m_pAVFmtCxt, 0, m_sConnectUrl, 0);for (i 0; i m_pAVFmtCxt-nb_streams; i){if (m_pAVFmtCxt-streams[i]-codecpar-codec_type AVMEDIA_TYPE_VIDEO){m_nVideoIndex i;}else if (m_pAVFmtCxt-streams[i]-codecpar-codec_type AVMEDIA_TYPE_AUDIO) {m_nAudioIndex i;}myprint(m_pAVFmtCxt-streams[i]-codec-codec_type:%d, m_pAVFmtCxt-streams[i]-codecpar-codec_type);}//videoindex not findif (m_nVideoIndex -1){myprint(cant find video stream.);return -1;}m_pCodec avcodec_find_decoder(m_pAVFmtCxt-streams[m_nVideoIndex]-codecpar-codec_id);if (!m_pCodec){myprint(video decoder not found\n);return -1;}if (m_bSupportAudio m_nAudioIndex ! -1){myprint(start audio decoder \n);if (!m_pAudioCodecCxt)m_pAudioCodecCxt avcodec_alloc_context3(NULL);auto pAudioCodecpar m_pAVFmtCxt-streams[m_nAudioIndex]-codecpar;avcodec_parameters_to_context(m_pAudioCodecCxt, pAudioCodecpar);m_pAudioCodec avcodec_find_decoder(pAudioCodecpar-codec_id);if (nullptr m_pAudioCodec || nullptr m_pAudioCodecCxt){myprint(audio decoder not found\n);return -1;}m_pSwrContext swr_alloc_set_opts(0, av_get_default_channel_layout(m_channels_play),AV_SAMPLE_FMT_S16, m_nSampleRate, av_get_default_channel_layout(m_pAudioCodecCxt-channels),m_pAudioCodecCxt-sample_fmt, m_pAudioCodecCxt-sample_rate, 0,0);auto ret swr_init(m_pSwrContext);if (ret 0){myprint(Failed to swr_init(pSwrContext););return -1;}if (InitDirectSound() FALSE)m_bSupportAudio false;}m_CodecId m_pCodec-id;if(!m_pCodecCxt)m_pCodecCxt avcodec_alloc_context3(NULL);avcodec_parameters_to_context(m_pCodecCxt, m_pAVFmtCxt-streams[m_nVideoIndex]-codecpar);if (m_pCodecCxt){if (m_pCodecCxt-width 0 || m_pCodecCxt-height 0){myprint(m_pCodecCxt-width:%d, m_pCodecCxt-height:%d, m_pCodecCxt-width, m_pCodecCxt-height);return -1;}}elsereturn -1;AVCodecContext* temp_codecctx m_pCodecCxt;memcpy(temp_codecctx, m_pCodecCxt, sizeof(m_pCodecCxt));if (m_pCodecCxt-codec_type AVMEDIA_TYPE_VIDEO){myprint(Soft Solution);avcodec_close(m_pCodecCxt);m_pCodecCxt temp_codecctx;m_pCodecCxt-thread_count 4;if (m_Dxva2D3DRender.InitD3DRender(m_showWnd, m_pCodecCxt-width, m_pCodecCxt-height) false){myprint(InitD3DRender fail);}m_pOutBuffer (uint8_t*)av_malloc(av_image_get_buffer_size(AV_PIX_FMT_YUV420P, m_pCodecCxt-width, m_pCodecCxt-height, 1));if (nullptr m_pOutBuffer)return -1;av_image_fill_arrays(m_pFrameBGR-data, m_pFrameBGR-linesize, m_pOutBuffer, AV_PIX_FMT_YUV420P, m_pCodecCxt-width, m_pCodecCxt-height, 1); //填充AVFrame数据缓冲m_pImgConvertCtx sws_getContext(m_pCodecCxt-width, m_pCodecCxt-height, m_pCodecCxt-pix_fmt, m_pCodecCxt-width, m_pCodecCxt-height, AV_PIX_FMT_YUV420P, SWS_FAST_BILINEAR, NULL, NULL, NULL);if (nullptr m_pImgConvertCtx)return -1;m_nActualWidth m_pCodecCxt-width;m_nActualHeight m_pCodecCxt-height;res avcodec_open2(m_pCodecCxt, m_pCodec, NULL);if (res 0){myprint(avcodec_open2 video fail error:%x, res);return -1;}}if (m_bSupportAudio m_pAudioCodecCxt){if (m_pAudioCodecCxt-codec_type AVMEDIA_TYPE_AUDIO){res avcodec_open2(m_pAudioCodecCxt, m_pAudioCodec, NULL);if (res 0){myprint(avcodec_open2 audio fail error:%x, res);avcodec_close(m_pAudioCodecCxt);return -1;}myprint(Audio Message);myprint( bit_rate %d , m_pAudioCodecCxt-bit_rate);myprint( sample_rate %d , m_pAudioCodecCxt-sample_rate);myprint( channels %d , m_pAudioCodecCxt-channels);myprint( code_name %s , m_pAudioCodecCxt-codec-name);myprint( block_align %d , m_pAudioCodecCxt-block_align);}}m_pDecodeThread (my_thread_t*)my_malloc(sizeof(my_thread_t));if (nullptr ! m_pDecodeThread){m_bDecodeThreadRun true;res my_thread_create(m_pDecodeThread, ThreadDecode, this);if (res -1){myprint(my_thread_create ThreadDecode failed res:%x, res);return -1;}}return 0;
}停止播放
void CVideoPlayer::StopPlay()
{m_bPlaying false;m_CaptureAudio.SetGrabAudioFrames(FALSE, NULL);m_CaptureAudio.Close();m_bStopAudio true;while (!m_AudioPlayQue.empty()){m_AudioPlayQue.pop();}while (!m_AudioTalkQue.empty()){EnterCriticalSection(m_talklock);m_AudioTalkQue.pop();LeaveCriticalSection(m_talklock);}m_bDecodeThreadRun false;if (m_pDecodeThread){my_thread_join(m_pDecodeThread);my_free(m_pDecodeThread);m_pDecodeThread nullptr;}if (m_pAudioPlayThread) {SetEvent(m_event);if (m_pAudioPlayThread-handle) {my_thread_join(m_pAudioPlayThread);m_pAudioPlayThread-handle nullptr;}}if (m_pDSBuffer8){m_pDSBuffer8-Stop();m_pDSBuffer8-Restore();}m_Dxva2D3DRender.UnitD3DRender();if (m_pCodecCxt){avcodec_close(m_pCodecCxt);}if (m_pAudioCodecCxt){avcodec_close(m_pAudioCodecCxt);}if (m_pSwrContext){swr_free(m_pSwrContext);m_pSwrContext nullptr;}if (m_pAVFmtCxt) {avformat_close_input(m_pAVFmtCxt);avformat_free_context(m_pAVFmtCxt);m_pAVFmtCxt nullptr;}}解码线程
void CVideoPlayer::DecodeAndShow()
{if (m_pAVFmtCxt nullptr || m_pCodecCxt nullptr)return;AVPacket pkt { 0 };m_bPlaying true;uint8_t* pBuffer;bool bEnoughSpace true;int nTimeCnt 0;int res 0;struct SwsContext* img_convert_ctx nullptr;int nRectDrawWait 0;bool bRecordLastIFrame false;int num_av_read_frame_err 0;int num_stream_index_err 0;uint8_t * outData[2] {0};outData[0] (uint8_t*)av_malloc(1152 * 8);outData[1] (uint8_t*)av_malloc(1152 * 8);uint8_t* pktdata;int pktsize;int len 0;bool bPushAudioToQueue false;m_bStopAudio false;CRect ShowRect;AVFrame* pAvFrame av_frame_alloc();if (nullptr pAvFrame)return;AVFrame* pFrameRGB av_frame_alloc();if (nullptr pFrameRGB)return;int numBytes av_image_get_buffer_size(AV_PIX_FMT_RGB24, m_pCodecCxt-width, m_pCodecCxt-height, 1);pBuffer (uint8_t*)av_malloc(numBytes);if (nullptr pBuffer)return;av_image_fill_arrays(pFrameRGB-data,pFrameRGB-linesize, pBuffer, AV_PIX_FMT_RGB24, m_pCodecCxt-width, m_pCodecCxt-height, 1);img_convert_ctx sws_getCachedContext(img_convert_ctx, m_pCodecCxt-width, m_pCodecCxt-height,m_pCodecCxt-pix_fmt, m_pCodecCxt-width, m_pCodecCxt-height, AV_PIX_FMT_RGB24, SWS_FAST_BILINEAR/*SWS_BICUBIC*/, NULL, NULL, NULL);//Audioif (m_bSupportAudio m_pAudioPlayThread){res my_thread_create(m_pAudioPlayThread, ThreadAudioPlay, this);if (res 0)myprint(my_thread_create ThreadAudioPlay fail);}while (m_bDecodeThreadRun !m_bQuit){if (m_bPause){Sleep(100);continue;}{if (m_bReconnect){myprint(bReConnect true, break);break;}}m_lastReadPacktTime av_gettime();if (av_read_frame(m_pAVFmtCxt, pkt) 0){num_av_read_frame_err 0;if (pkt.stream_index m_nVideoIndex || pkt.stream_index m_nAudioIndex){if (m_bRecord)//Record{if (nTimeCnt ! 0 || (!bRecordLastIFrame pkt.flags AV_PKT_FLAG_KEY)) {if (m_sRecPath[0] ! \0 nTimeCnt % 200 0){bEnoughSpace CheckRemainSpace(m_sRecPath);if (bEnoughSpace true){myprint(bEnoughSpace true);}elsemyprint(bEnoughSpace false);}m_nRecordCurrentTime time(NULL);if ((m_nRecordCurrentTime - m_nRecordStartTime) (m_nRecordTime * 60)){myprint(Record Finsh!);stopRecord();}else if (bEnoughSpace false){myprint(bEnoughSpace false);stopRecord();}else{AVPacket* pPkt av_packet_clone(pkt);m_mp4Recorder.saveOneFrame(*pPkt, m_CodecId);av_packet_free(pPkt);}}bRecordLastIFrame pkt.flags AV_PKT_FLAG_KEY;}elsenTimeCnt 0;}if (pkt.stream_index m_nVideoIndex){num_stream_index_err 0;nTimeCnt 0;if (pkt.flags 1)bPushAudioToQueue true;if (nullptr m_pCodecCxt || nullptr pAvFrame) {myprint(m_pCodecCxt NULL || pAvFrame NULL);break;}int gotvframe 0;auto sd_ret avcodec_send_packet(m_pCodecCxt, pkt);if (sd_ret ! 0 sd_ret ! AVERROR(EAGAIN)) {myprint(avcodec_send_packet err, rt%d, sd_ret);enableReConnect();}else {while (gotvframe 0 !m_bQuit) {gotvframe avcodec_receive_frame(m_pCodecCxt, pAvFrame);if (gotvframe 0){try{GetShowRectSize(ShowRect);}catch (const std::exception){myprint(GetClientRect throw, error);break;}m_nCurPKSize pkt.size; SetStreamInfoToD3d();if (pAvFrame-width ! m_nActualWidth || pAvFrame-height ! m_nActualHeight){myprint(video size change reconnect...);enableReConnect();m_nActualWidth pAvFrame-width;m_nActualHeight pAvFrame-height;av_packet_unref(pkt);continue;}if (m_pImgConvertCtx m_pFrameBGR m_pOutBuffer pAvFrame){sws_scale(m_pImgConvertCtx, (const uint8_t* const*)pAvFrame-data, pAvFrame-linesize, 0,m_pCodecCxt-height, m_pFrameBGR-data, m_pFrameBGR-linesize);{ try{int re 5;for (int i 0; m_bPlaying re 5 i 10; i) { // LockRect失败时重复尝试最多10次re m_Dxva2D3DRender.D3DSoftDisplayFrame(m_pOutBuffer, pAvFrame-width, pAvFrame-height, ShowRect);Sleep(1);}}catch (int re){myprint(m_Dxva2D3DRender.InitD3DRender again);if (m_Dxva2D3DRender.InitD3DRender(m_showWnd, m_pCodecCxt-width, m_pCodecCxt-height) false){myprint(m_Dxva2D3DRender.InitD3DRender again fail);av_packet_unref(pkt);continue;}}} }if (m_bCapture /* pkt.flags 1*/ img_convert_ctx){sws_scale(img_convert_ctx, (const uint8_t* const*)pAvFrame-data, pAvFrame-linesize, 0, m_pCodecCxt-height,pFrameRGB-data, pFrameRGB-linesize);SaveIFrameImage(pFrameRGB-data[0], m_pCodecCxt-width, m_pCodecCxt-height);m_bCapture false;}}}}}else if (pkt.stream_index m_nAudioIndex){num_stream_index_err 0;if (m_bSupportAudio) {pktdata pkt.data;pktsize pkt.size;if (pktsize 0){int gotframe 0;if (nullptr m_pAudioCodecCxt || nullptr pAvFrame) {myprint(m_pAudioCodecCxt NULL || pAvFrame NULL);break;}len avcodec_send_packet(m_pAudioCodecCxt, pkt);if (len ! 0 len ! AVERROR(EAGAIN)){pktsize 0;myprint(avcodec_send_packet len 0);break;}auto data_size av_get_bytes_per_sample(m_pAudioCodecCxt-sample_fmt); if (data_size 0) {myprint(Failed to calculate data size\n);break;}while (gotframe 0 !m_bQuit) {gotframe avcodec_receive_frame(m_pAudioCodecCxt, pAvFrame);if (!gotframe){if (bPushAudioToQueue true m_bEnableAudio !m_bStopAudio){audio_frame_t audioFrame;numBytes av_get_bytes_per_sample(AV_SAMPLE_FMT_S16);auto dstNbSamples av_rescale_rnd(pAvFrame-nb_samples,m_src_sample_rate,pAvFrame-sample_rate,AV_ROUND_ZERO);int data_size 0;try{auto nb swr_convert(m_pSwrContext,(uint8_t**)outData,dstNbSamples,(const uint8_t**)pAvFrame-data,pAvFrame-nb_samples);data_size av_samples_get_buffer_size(nullptr, m_channels_play, nb, AV_SAMPLE_FMT_S16, 1);}catch (const std::exception){m_bSupportAudio false;myprint(swr_convert throw err, set m_bSupportAudio false);continue;}int copy_size 0; int copy_ptr 0; for (int isub data_size; isub 0; isub - copy_size) {if (isub m_audio_buffer_notify_size) {copy_size m_audio_buffer_notify_size;copy_ptr data_size - isub;}elsecopy_size isub;audioFrame.data_size copy_size;memcpy(audioFrame.data, outData[0] copy_ptr, copy_size);EnterCriticalSection(m_lock);m_AudioPlayQue.push(audioFrame);LeaveCriticalSection(m_lock);}}}}}}}else if (num_stream_index_err 20) {myprint(pkt.stream_index unfind, %d,pkt.stream_index);enableReConnect();}av_packet_unref(pkt);}else {if (num_av_read_frame_err 10) {myprint(num_av_read_frame_err is more than 10);enableReConnect();}}}if (m_bDecodeThreadRun) {myprint(m_bDecodeThreadRun is true);enableReConnect();}if (pAvFrame)av_free(pAvFrame);if (pFrameRGB)av_free(pFrameRGB);if (pBuffer)av_free(pBuffer);if (img_convert_ctx)sws_freeContext(img_convert_ctx);if (outData[0] outData[1]){av_free(outData[0]);av_free(outData[1]);outData[0] 0;outData[1] 0;}
}四、相关下载
链接: 可执行程序下载
链接: 源码下载
