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Copy pathCLS_DlgStreamPusher.cpp
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CLS_DlgStreamPusher.cpp
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// CLS_DlgStreamPusher.cpp : 实现文件
//
#include "stdafx.h"
#include "CLS_StreamPusher.h"
#include "CLS_DlgStreamPusher.h"
#include ".\common\Public_Function.h"
//#include "afxdialogex.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
#include <curl.h>
#include <fstream>
#include <iostream>
#define PUSH_ADDR_NUM 1
static Uint8* audio_chunk;
static Uint32 audio_len;
static Uint8* audio_pos;
static int64_t audio_callback_time;
std::string name;
std::string student_id;
std::string lec_id;
std::string endpoint;
std::string table;
string strPushAddr[PUSH_ADDR_NUM] = { "endpoint" };
DWORD dwFlag;
CURL* curl;
CURLcode res;
std::string str;
int CurlErrorMessageBox()
{
int msgboxID = MessageBox(
NULL,
"HTTP POST failed",
"please retry",
MB_ICONEXCLAMATION | MB_RETRYCANCEL
);
return msgboxID;
}
int LecIdMessageBox()
{
int msgboxID = MessageBox(
NULL,
"Failed to retrieve ID of test",
"please retry",
MB_ICONEXCLAMATION | MB_YESNO
);
return msgboxID;
}
int LoginErrorMessageBox()
{
int msgboxID = MessageBox(
NULL,
"Failed to log in",
"please retry",
MB_ICONEXCLAMATION | MB_YESNO
);
name = "";
student_id = "";
return msgboxID;
}
int TerminationErrorMessageBox()
{
int msgboxID = MessageBox(
NULL,
"Failed to save video to server",
"please retry",
MB_ICONEXCLAMATION | MB_YESNO
);
return msgboxID;
}
size_t CurlWrite_CallbackFunc_StdString(void* contents, size_t size, size_t nmemb, std::string* s)
{
size_t newLength = size * nmemb;
try
{
s->append((char*)contents, newLength);
}
catch (std::bad_alloc& e)
{
//handle memory problem
return 0;
}
return newLength;
}
void stream_start() {
curl = curl_easy_init();
if (curl)
{
curl_easy_setopt(curl, CURLOPT_URL, "http://3.35.240.138:3333/streaming_start");
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
std::string command = "num=" + student_id + "&name=" + name + "&lec_id=" + lec_id + "&mac=1";
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, command.c_str());
// Perform the request, res will get the return code
res = curl_easy_perform(curl);
// Check for errors
if (res != CURLE_OK)
{
//error case
TRACE("identification failed\n");
LecIdMessageBox();
}
curl_easy_cleanup(curl);
}
}
void get_tablename() {
curl = curl_easy_init();
if (curl)
{
curl_easy_setopt(curl, CURLOPT_URL, "http://3.35.240.138:3333/Identification");
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWrite_CallbackFunc_StdString);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &table);
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
std::string command = "num=" + student_id + "&name=" + name + "&mac=1";
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, command.c_str());
// Perform the request, res will get the return code
res = curl_easy_perform(curl);
// Check for errors
if (res != CURLE_OK)
{
//error case
TRACE("identification failed\n");
LecIdMessageBox();
}
curl_easy_cleanup(curl);
}
}
void get_endpoint() {
curl = curl_easy_init();
if (curl)
{
curl_easy_setopt(curl, CURLOPT_URL, "http://3.35.240.138:3333/return_endpoint");
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWrite_CallbackFunc_StdString);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &endpoint);
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
std::string tmp1 = table.substr(0, table.find("_"));
std::string tmp2 = table.substr(table.find("_") + 1, table.length());
std::string tmp3 = tmp2.substr(0, tmp2.find("_"));
std::string tmp4 = tmp2.substr(tmp2.find("_") + 1, tmp2.length());
std::string tmp5 = tmp4.substr(0, tmp4.find("_"));
lec_id = tmp1 + "." + tmp3 + "_" + tmp5;
std::string command = "num=" + student_id + "&name=" + name + "&lec_id=" + lec_id + "&mac=1";
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, command.c_str());
// Perform the request, res will get the return code
res = curl_easy_perform(curl);
// Check for errors
if (res != CURLE_OK)
{
TRACE("getting endpoint failed\n");
LoginErrorMessageBox();
}
curl_easy_cleanup(curl);
}
}
void stream_termination() {
curl = curl_easy_init();
if (curl)
{
curl_easy_setopt(curl, CURLOPT_URL, "http://3.35.240.138:3333/streaming_termination");
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
std::string command = "num=" + student_id + "&name=" + name + "&lec_id=" + lec_id + "&mac=1";
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, command.c_str());
// Perform the request, res will get the return code
res = curl_easy_perform(curl);
// Check for errors
if (res != CURLE_OK)
{
TRACE("getting endpoint failed\n");
TerminationErrorMessageBox();
}
curl_easy_cleanup(curl);
}
}
static char* dup_wchar_to_utf8(wchar_t* w)
{
char* s = NULL;
int l = WideCharToMultiByte(CP_UTF8, 0, w, -1, 0, 0, 0, 0);
s = (char*)av_malloc(l);
if (s)
WideCharToMultiByte(CP_UTF8, 0, w, -1, s, l, 0, 0);
return s;
}
static inline int compute_mod(int a, int b)
{
return a < 0 ? a % b + b : a % b;
}
CLS_DlgStreamPusher::CLS_DlgStreamPusher(CWnd* pParent /*=NULL*/)
: CDialog(CLS_DlgStreamPusher::IDD, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
m_cstrFilePath = "";
m_cstrPushAddr = "";
m_bkBrush = NULL;
m_pStreamInfo = NULL;
m_pFmtRtmpCtx = NULL;
m_pFmtVideoCtx = NULL;
m_pFmtAudioCtx = NULL;
m_pPushFileThrid = NULL;
m_pCodecVideoCtx = NULL;
m_pCodecAudioCtx = NULL;
m_pPushStreamThrid = NULL;
m_iFrameRate = -1;
m_iVideoIndex = -1;
m_iLstSelIndex = -1;
m_iWindowWidth = -1;
m_iWiddowHeight = -1;
m_iVideoOutIndex = -1;
m_iAudioOutIndex = -1;
m_blUrl = FALSE;
m_blPreview = FALSE;
m_blVideoShow = TRUE;
m_blAudioShow = FALSE;
m_blPushSingle = TRUE; //默认推送单个文件循环推送
m_blPushCircle = TRUE; //默认推送文件都是循环推送
m_blPushStart = FALSE;
m_blPushReady = FALSE;
m_blPushSuccess = FALSE;
m_blCreateVideoWin = FALSE;
m_mapDeviceInfo.clear();
m_mapPushFile.clear();
}
void CLS_DlgStreamPusher::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
DDX_Control(pDX, IDC_USERNAME, m_EditUsername);
DDX_Control(pDX, IDC_USERID, m_EditUserID);
DDX_Control(pDX, IDC_CHK_SRC_TYPE, m_chkSrcType);
DDX_Control(pDX, IDC_BTN_OPEN_LOCAL_FILE, m_btnOpenLocalFile);
DDX_Control(pDX, IDC_STC_PREVIEW, m_stcPreview);
DDX_Control(pDX, IDC_COB_DEVICE_VIDEO, m_cboDeviceVideo);
DDX_Control(pDX, IDC_COB_DEVICE_AUDIO, m_cboDeviceAudio);
DDX_Control(pDX, IDC_CHK_SHOW_VIDEO, m_chkShowVideo);
DDX_Control(pDX, IDC_COB_RESOLUTION, m_cboResolution);
DDX_Control(pDX, IDC_CHK_WRITE_FILE, m_chkWriteFile);
DDX_Control(pDX, IDC_EDT_FRAMERATE, m_edtFrameRate);
DDX_Control(pDX, IDC_LIST_LOCAL_FILES, m_lstLocalFiles);
DDX_Control(pDX, IDC_STC_PUSH_STATUS, m_stcPushStatus);
DDX_Control(pDX, IDC_BTN_OPEN_LOCAL_FILES, m_btnOpenFiles);
DDX_Control(pDX, IDC_CBO_PUSH_ADDR, m_cboPushAddr);
DDX_Control(pDX, IDC_STC_SEL_FILE_MEM, m_stcSelFile);
}
BEGIN_MESSAGE_MAP(CLS_DlgStreamPusher, CDialog)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_EN_CHANGE(IDC_USERNAME, &CLS_DlgStreamPusher::OnEnChangeUsername)
ON_EN_CHANGE(IDC_USERID, &CLS_DlgStreamPusher::OnEnChangeUserid)
ON_BN_CLICKED(IDOK, &CLS_DlgStreamPusher::OnBnClickedOk)
ON_BN_CLICKED(IDC_CHK_SRC_TYPE, &CLS_DlgStreamPusher::OnBnClickedChkSrcType)
ON_BN_CLICKED(IDC_BTN_OPEN_LOCAL_FILE, &CLS_DlgStreamPusher::OnBnClickedBtnOpenLocalFile)
ON_BN_CLICKED(IDC_BTN_PREVIEW, &CLS_DlgStreamPusher::OnBnClickedBtnPreview)
ON_BN_CLICKED(IDCANCEL, &CLS_DlgStreamPusher::OnBnClickedCancel)
ON_WM_CTLCOLOR()
ON_BN_CLICKED(IDC_CHK_SHOW_VIDEO, &CLS_DlgStreamPusher::OnBnClickedChkShowVideo)
ON_BN_CLICKED(IDC_CHK_WRITE_FILE, &CLS_DlgStreamPusher::OnBnClickedChkWriteFile)
ON_CBN_SELCHANGE(IDC_COB_DEVICE_VIDEO, &CLS_DlgStreamPusher::OnCbnSelchangeCobDeviceVideo)
ON_CBN_SELCHANGE(IDC_COB_RESOLUTION, &CLS_DlgStreamPusher::OnCbnSelchangeCobResolution)
ON_BN_CLICKED(IDC_BTN_REFRESHVIDEO, &CLS_DlgStreamPusher::OnBnClickedBtnRefreshvideo)
ON_BN_CLICKED(IDC_BTN_OPEN_LOCAL_FILES, &CLS_DlgStreamPusher::OnBnClickedBtnOpenLocalFiles)
ON_CBN_SELCHANGE(IDC_CBO_PUSH_ADDR, &CLS_DlgStreamPusher::OnCbnSelchangeCboPushAddr)
ON_NOTIFY(NM_RCLICK, IDC_LIST_LOCAL_FILES, &CLS_DlgStreamPusher::OnNMRClickListLocalFiles)
ON_NOTIFY(NM_DBLCLK, IDC_LIST_LOCAL_FILES, &CLS_DlgStreamPusher::OnNMDblclkListLocalFiles)
ON_STN_CLICKED(IDC_STC_PREVIEW, &CLS_DlgStreamPusher::OnStnClickedStcPreview)
ON_STN_CLICKED(IDC_STC_RESOLUTION, &CLS_DlgStreamPusher::OnStnClickedStcResolution)
ON_EN_CHANGE(IDC_EDT_FRAMERATE, &CLS_DlgStreamPusher::OnEnChangeEdtFramerate)
ON_BN_CLICKED(IDC_BTN_ENDPOINT, &CLS_DlgStreamPusher::OnBnClickedBtnEndpoint)
ON_STN_CLICKED(IDC_STC_PUSHER_ADDR, &CLS_DlgStreamPusher::OnStnClickedStcPusherAddr)
ON_BN_CLICKED(IDC_TERMINATION, &CLS_DlgStreamPusher::OnBnClickedTermination)
END_MESSAGE_MAP()
int video_thr(LPVOID lpParam)
{
int iRet = -1;
struct_stream_info* strct_streaminfo = NULL;
int iVideoPic = 0;
int64_t start_time = 0;
AVPacket pkt;
CLS_DlgStreamPusher* pThis = (CLS_DlgStreamPusher*)lpParam;
if (pThis == NULL) {
TRACE("video_thr--pThis == NULL\n");
return iRet;
}
if (NULL == pThis->m_pFmtVideoCtx || NULL == pThis->m_pCodecVideoCtx) {
TRACE("NULL == pThis->m_pFmtVideoCtx || NULL == pThis->m_pCodecVideoCtx\n");
return iRet;
}
strct_streaminfo = pThis->m_pStreamInfo;
if (NULL == strct_streaminfo) {
TRACE("NULL == strct_streaminfo\n");
return iRet;
}
AVFrame* pFrame;
pFrame = avcodec_alloc_frame();
AVFrame* picture = avcodec_alloc_frame();
int size = avpicture_get_size(pThis->m_pCodecVideoCtx->pix_fmt, pThis->m_iDstVideoWidth, pThis->m_iDstVideoHeight);
//申请picture
if (avpicture_alloc((AVPicture*)picture, AV_PIX_FMT_YUV420P, pThis->m_iSrcVideoWidth * 2, pThis->m_iSrcVideoHeight * 2) < 0) {
TRACE("avpicture_alloc < 0");
return iRet;
}
//
int height = pThis->m_iDstVideoHeight;
int width = pThis->m_iDstVideoWidth;
int y_size = height * width;
//原视频区域
SDL_Rect sdlSrcRect;
sdlSrcRect.x = 0;
sdlSrcRect.y = 0;
sdlSrcRect.w = pThis->m_iSrcVideoWidth;
sdlSrcRect.h = pThis->m_iSrcVideoHeight;
//从摄像头获取数据
while (1) {
if (strct_streaminfo->m_iAbortRequest) {
break;
}
pkt.data = NULL;
pkt.size = 0;
if (av_read_frame(pThis->m_pFmtVideoCtx, &pkt) >= 0) {
//解码显示
if (pkt.stream_index != 0) {
av_free_packet(&pkt);
continue;
}
iRet = avcodec_decode_video2(pThis->m_pCodecVideoCtx, pFrame, &iVideoPic, &pkt);
if (iRet < 0) {
TRACE("Decode Error.\n");
goto END;
}
av_free_packet(&pkt);
if (iVideoPic <= 0) {
TRACE("iVideoPic <= 0");
goto END;
}
if (sws_scale(strct_streaminfo->m_pVideoSwsCtx, (const uint8_t* const*)pFrame->data, pFrame->linesize, 0, pThis->m_iSrcVideoHeight,
picture->data, picture->linesize) < 0) {
TRACE("sws_scale < 0");
goto END;
}
//显示视频的区域
SDL_Rect sdlRect;
sdlRect.x = 0;
sdlRect.y = 0;
sdlRect.w = pThis->m_iDstVideoWidth;
sdlRect.h = pThis->m_iDstVideoHeight;
if (pThis->m_blVideoShow) {
//显示视频
SDL_UpdateYUVTexture(strct_streaminfo->m_pSdlTexture, NULL, picture->data[0], picture->linesize[0], picture->data[1], picture->linesize[1], picture->data[2], picture->linesize[2]);
SDL_RenderClear(strct_streaminfo->m_pSdlRender);
SDL_RenderCopy(strct_streaminfo->m_pSdlRender, strct_streaminfo->m_pSdlTexture, &sdlSrcRect, &sdlRect);
SDL_RenderPresent(strct_streaminfo->m_pSdlRender);
}
if (pThis->m_blPushStart) {
int iVideoFifoSize = av_fifo_space(strct_streaminfo->m_pVideoFifo);
if (iVideoFifoSize >= size) {
SDL_mutexP(strct_streaminfo->m_pVideoMutex);
av_fifo_generic_write(strct_streaminfo->m_pVideoFifo, picture->data[0], y_size, NULL);
av_fifo_generic_write(strct_streaminfo->m_pVideoFifo, picture->data[1], y_size / 4, NULL);
av_fifo_generic_write(strct_streaminfo->m_pVideoFifo, picture->data[2], y_size / 4, NULL);
SDL_mutexV(strct_streaminfo->m_pVideoMutex);
}
}
}
}
iRet = 1;
END:
av_frame_free(&pFrame);
av_frame_free(&picture);
return iRet;
}
int audio_thr(LPVOID lpParam)
{
//采集音频，进行储存
int iRet = -1;
AVPacket pkt;
AVFrame* pFrame = NULL;
CLS_DlgStreamPusher* pThis = (CLS_DlgStreamPusher*)lpParam;
if (pThis == NULL) {
TRACE("audio_thr--pThis == NULL\n");
return iRet;
}
if (NULL == pThis->m_pFmtAudioCtx) {
TRACE("NULL == pThis->m_pFmtAudioCtx\n");
return iRet;
}
AVCodecContext* pCodec = pThis->m_pFmtAudioCtx->streams[0]->codec;
if (NULL == pCodec) {
TRACE("NULL == pCodec");
return iRet;
}
struct_stream_info* pStrctStreamInfo = pThis->m_pStreamInfo;
if (NULL == pStrctStreamInfo) {
TRACE("NULL == pStrctStreamInfo\n");
return iRet;
}
while (1) {
if (pStrctStreamInfo->m_iAbortRequest) {
break;
}
pkt.data = NULL;
pkt.size = 0;
if (av_read_frame(pThis->m_pFmtAudioCtx, &pkt) < 0 || _kbhit() != 0) {
continue;
}
if (!pFrame) {
if (!(pFrame = avcodec_alloc_frame())) {
TRACE("!(strct_stream_info->m_pAudioFrame = avcodec_alloc_frame())\n");
goto END;
}
}
else {
avcodec_get_frame_defaults(pFrame);
}
int gotframe = -1;
if (avcodec_decode_audio4(pThis->m_pFmtAudioCtx->streams[0]->codec, pFrame, &gotframe, &pkt) < 0) {
TRACE("can not decoder a frame\n");
break;
}
av_free_packet(&pkt);
if (!gotframe) {
//没有获取到数据，继续下一次
TRACE("avcodec_decode_audio4 gotframe is 0!\n");
continue;
}
SDL_mutexP(pStrctStreamInfo->m_pAudioMutex);
if (NULL == pStrctStreamInfo->m_pAudioFifo) {
pStrctStreamInfo->m_pAudioFifo = av_audio_fifo_alloc(pThis->m_pFmtAudioCtx->streams[0]->codec->sample_fmt,
pThis->m_pFmtAudioCtx->streams[0]->codec->channels, 30 * pFrame->nb_samples);
}
int buf_space = av_audio_fifo_space(pStrctStreamInfo->m_pAudioFifo);
if (buf_space >= pFrame->nb_samples) {
av_audio_fifo_write(pStrctStreamInfo->m_pAudioFifo, (void**)pFrame->data, pFrame->nb_samples);
}
else if (buf_space > 0) {
av_audio_fifo_write(pStrctStreamInfo->m_pAudioFifo, (void**)pFrame->data, buf_space);
}
SDL_mutexV(pStrctStreamInfo->m_pAudioMutex);
}
iRet = 1;
END:
av_frame_free(&pFrame);
return iRet;
}
int push_thr(LPVOID lpParam)
{
int iRet = -1;
int64_t cur_pts_v = 0, cur_pts_a = 0;
int frame_video_index = 0;
int frame_audio_index = 0;
CLS_DlgStreamPusher* pThis = (CLS_DlgStreamPusher*)lpParam;
if (NULL == pThis) {
TRACE("NULL == pThis\n");
return iRet;
}
struct_stream_info* pStrctStreamInfo = pThis->m_pStreamInfo;
if (NULL == pStrctStreamInfo) {
TRACE("NULL == pStrctStreamInfo\n");
return iRet;
}
if (NULL == pThis->m_pFmtRtmpCtx) {
TRACE("NULL == pThis->m_pFmtRtmpCtx\n");
return iRet;
}
AVFrame* picture = av_frame_alloc();
int size = avpicture_get_size(pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoIndex]->codec->pix_fmt,
pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoIndex]->codec->width, pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoIndex]->codec->height);
pStrctStreamInfo->m_pPushPicSize = (uint8_t*)av_malloc(size);
AVPacket pkt;//视频包
AVPacket pkt_out;//声音包
AVFrame* frame;//声音帧
while (1) {
if (pStrctStreamInfo->m_iAbortRequest) {
break;
}
if (av_compare_ts(cur_pts_v, pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoOutIndex]->time_base,
cur_pts_a, pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->time_base) <= 0) {
//视频处理
if (av_fifo_size(pStrctStreamInfo->m_pVideoFifo) >= size) {
SDL_mutexP(pStrctStreamInfo->m_pVideoMutex);
av_fifo_generic_read(pStrctStreamInfo->m_pVideoFifo, pStrctStreamInfo->m_pPushPicSize, size, NULL);
SDL_mutexV(pStrctStreamInfo->m_pVideoMutex);
avpicture_fill((AVPicture*)picture, pStrctStreamInfo->m_pPushPicSize,
pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoOutIndex]->codec->pix_fmt,
pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoOutIndex]->codec->width,
pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoOutIndex]->codec->height);
//pts = n * (（1 / timbase）/ fps);
picture->pts = frame_video_index * ((pThis->m_pFmtVideoCtx->streams[0]->time_base.den / pThis->m_pFmtVideoCtx->streams[0]->time_base.num) / pThis->m_iFrameRate);
int got_picture = 0;
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
iRet = avcodec_encode_video2(pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoOutIndex]->codec, &pkt, picture, &got_picture);
if (iRet < 0) {
//编码错误,不理会此帧
av_free_packet(&pkt);
continue;
}
if (got_picture == 1) {
pkt.stream_index = pThis->m_iVideoOutIndex;
pkt.pts = av_rescale_q(pkt.pts, pThis->m_pFmtVideoCtx->streams[0]->time_base,
pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoOutIndex]->time_base);
pkt.dts = av_rescale_q(pkt.dts, pThis->m_pFmtVideoCtx->streams[0]->time_base,
pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoOutIndex]->time_base);
if (pThis->m_pFmtRtmpCtx->streams[pThis->m_iVideoOutIndex]->codec->coded_frame->key_frame) {
pkt.flags |= AV_PKT_FLAG_KEY;
}
TRACE("------video pts-------is [%d]\n", pkt.pts);
cur_pts_v = pkt.pts;
if (av_interleaved_write_frame(pThis->m_pFmtRtmpCtx, &pkt) < 0) {
TRACE("av_interleaved_write_frame video err!\n");
}
pThis->m_blPushSuccess = TRUE;
av_free_packet(&pkt);
frame_video_index++;
}
}
}
else {
//Audio
if (NULL == pStrctStreamInfo->m_pAudioFifo) {
continue;//还未初始化fifo
}
if (av_audio_fifo_size(pStrctStreamInfo->m_pAudioFifo) >=
(pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec->frame_size > 0 ? pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec->frame_size : 1024))
{
frame = av_frame_alloc();
frame->nb_samples = pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec->frame_size > 0 ? pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec->frame_size : 1024;
frame->channel_layout = pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec->channel_layout;
frame->format = pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec->sample_fmt;
frame->sample_rate = pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec->sample_rate;
av_frame_get_buffer(frame, 0);
SDL_mutexP(pStrctStreamInfo->m_pAudioMutex);
av_audio_fifo_read(pStrctStreamInfo->m_pAudioFifo, (void**)frame->data,
(pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec->frame_size > 0 ? pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec->frame_size : 1024));
SDL_mutexV(pStrctStreamInfo->m_pAudioMutex);
av_init_packet(&pkt_out);
int got_picture = -1;
pkt_out.data = NULL;
pkt_out.size = 0;
frame->pts = frame_audio_index * pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec->frame_size;
if (avcodec_encode_audio2(pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->codec, &pkt_out, frame, &got_picture) < 0) {
TRACE("can not decoder a frame");
av_free_packet(&pkt_out);
continue;
}
if (NULL == pkt_out.data) {
TRACE("NULL == pkt_out.data");
av_free_packet(&pkt_out);
continue;
}
if (got_picture == 1) {
pkt_out.stream_index = pThis->m_iAudioOutIndex;
pkt_out.pts = av_rescale_q(pkt_out.pts, pThis->m_pFmtAudioCtx->streams[0]->time_base,
pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->time_base);
pkt_out.dts = av_rescale_q(pkt_out.dts, pThis->m_pFmtAudioCtx->streams[0]->time_base,
pThis->m_pFmtRtmpCtx->streams[pThis->m_iAudioOutIndex]->time_base);
TRACE("~~~~audio pts~~~~~is [%d]\n", pkt_out.pts);
cur_pts_a = pkt_out.pts;
if (av_interleaved_write_frame(pThis->m_pFmtRtmpCtx, &pkt_out) < 0) {
TRACE("av_interleaved_write_frame audio err!\n");
}
pThis->m_blPushSuccess = TRUE;
av_free_packet(&pkt_out);
frame_audio_index++;
}
av_frame_free(&frame);
}
}
}
//推送结束
av_write_trailer(pThis->m_pFmtRtmpCtx);
av_frame_free(&picture);
return iRet;
}
int push_file_thr(LPVOID lpParam)
{
int iRet = -1;
int iFrameIndex = 0;
int64_t iStartTime = 0;
AVPacket pkt;
STRCT_PUSH_FILE strct_push_file;
CLS_DlgStreamPusher* pThis = (CLS_DlgStreamPusher*)lpParam;
if (NULL == pThis) {
TRACE("NULL == pThis\n");
goto END;
}
struct_stream_info* pStrctStreamInfo = pThis->m_pStreamInfo;
if (NULL == pStrctStreamInfo) {
TRACE("NULL == pStrctStreamInfo\n");
goto END;
}
if (NULL == pThis->m_pFmtRtmpCtx) {
TRACE("NULL == pThis->m_pFmtRtmpCtx\n");
goto END;
}
//当前时间
int last_video_pts = 0;
int last_video_dts = 0;
int last_audio_pts = 0;
int last_audio_dts = 0;
bool blReOpenFile = false;
bool blAddPkt = false;
memcpy(&strct_push_file, &pThis->m_strctPushFile, sizeof(STRCT_PUSH_FILE));
while (pThis->m_blPushCircle) {
if (blReOpenFile) {
blAddPkt = true;
strct_push_file.m_pFmtFileCtx = pThis->OpenFile(pThis->m_strctPushFile.m_cstrFilePath);
if (NULL == strct_push_file.m_pFmtFileCtx) {
TRACE("NULL == pFmtCtx!\n");
break;
}
}
iFrameIndex = 0;
iStartTime = av_gettime();
blReOpenFile = true; //设置循环播放
int last_video_pts_need_clear = 0;
int last_video_dts_need_clear = 0;
int last_audio_pts_need_clear = 0;
int last_audio_dts_need_clear = 0;
while (1) {
AVStream* pInStream, * pOutStream;
//退出之后跳出循环
if (pStrctStreamInfo->m_iAbortRequest) {
break;
}
//从输入文件中读数据
pkt.data = NULL;
pkt.size = 0;
if (av_read_frame(strct_push_file.m_pFmtFileCtx, &pkt) < 0) {
pThis->m_blPushSuccess = FALSE;
break;
}
if (pkt.pts == AV_NOPTS_VALUE) {
AVRational strctTimeBase = strct_push_file.m_pFmtFileCtx->streams[pThis->m_iVideoIndex]->time_base;
int64_t iDuration = (double)AV_TIME_BASE / av_q2d(strct_push_file.m_pFmtFileCtx->streams[pThis->m_iVideoIndex]->r_frame_rate);
pkt.pts = (double)(iFrameIndex * iDuration) / (double)(av_q2d(strctTimeBase) * AV_TIME_BASE);
pkt.dts = pkt.pts;
pkt.duration = (double)iDuration / (double)(av_q2d(strctTimeBase) * AV_TIME_BASE);
}
//计算延迟
if (pkt.stream_index == pThis->m_iVideoIndex) {
AVRational strctTimeBase = strct_push_file.m_pFmtFileCtx->streams[pThis->m_iVideoIndex]->time_base;
AVRational strctTimeBaseQ = { 1, AV_TIME_BASE };
int64_t iPts = av_rescale_q(pkt.dts, strctTimeBase, strctTimeBaseQ);
int64_t iNowTime = av_gettime() - iStartTime;
if (iPts > iNowTime) {
av_usleep(iPts - iNowTime);
}
}
pInStream = strct_push_file.m_pFmtFileCtx->streams[pkt.stream_index];
pOutStream = pThis->m_pFmtRtmpCtx->streams[pkt.stream_index];
if (NULL == pInStream || NULL == pOutStream) {
TRACE("NULL == pInStream || NULL == pOutStream!\n");
break;
}
//时间戳
pkt.pts = av_rescale_q_rnd(pkt.pts, pInStream->time_base, pOutStream->time_base, (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
pkt.dts = av_rescale_q_rnd(pkt.dts, pInStream->time_base, pOutStream->time_base, (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
pkt.duration = av_rescale_q(pkt.duration, pInStream->time_base, pOutStream->time_base);
pkt.pos = -1;
if (blAddPkt) {
if (pkt.stream_index == pThis->m_iVideoIndex) {
//计算增量
int pts_duration = pkt.pts - last_video_pts_need_clear;
int dts_duration = pkt.dts - last_video_dts_need_clear;
//保存旧值
last_video_pts_need_clear = pkt.pts;
last_video_dts_need_clear = pkt.dts;
//计算新的时间戳
pkt.pts = pts_duration + last_video_pts;
pkt.dts = dts_duration + last_video_dts;
}
else {
//计算增量
int pts_duration = pkt.pts - last_audio_pts_need_clear;
int dts_duration = pkt.dts - last_audio_dts_need_clear;
//保存旧值
last_audio_pts_need_clear = pkt.pts;
last_audio_dts_need_clear = pkt.dts;
//计算新的时间戳
pkt.pts = pts_duration + last_audio_pts;
pkt.dts = dts_duration + last_audio_dts;
}
}
if (pkt.stream_index == pThis->m_iVideoIndex) {
last_video_pts = pkt.pts;
last_video_dts = pkt.dts;
}
else {
last_audio_pts = pkt.pts;
last_audio_dts = pkt.dts;
}
TRACE("-----iFrameIndex is [%d]----\n", iFrameIndex);
iRet = av_interleaved_write_frame(pThis->m_pFmtRtmpCtx, &pkt);
if (iRet < 0) {
av_free_packet(&pkt);
TRACE("av_interleaved_write_frame err!\n");
continue;
}
pThis->m_blPushSuccess = TRUE;
av_free_packet(&pkt);
iFrameIndex++;
}
//释放pFmtCtx
if (NULL != strct_push_file.m_pFmtFileCtx) {
avformat_close_input(&strct_push_file.m_pFmtFileCtx);
avformat_free_context(strct_push_file.m_pFmtFileCtx);
strct_push_file.m_pFmtFileCtx = NULL;
}
//退出之后跳出循环
if (pStrctStreamInfo->m_iAbortRequest) {
break;
}
}
av_write_trailer(pThis->m_pFmtRtmpCtx);
iRet = 0;
END:
if (iRet != 0) {
pThis->m_blPushSuccess = FALSE;
}
return iRet;
}
BOOL CLS_DlgStreamPusher::OnInitDialog()
{
CDialog::OnInitDialog();
// 设置此对话框的图标。 当应用程序主窗口不是对话框时，框架将自动
// 执行此操作
SetIcon(m_hIcon, TRUE); // 设置大图标
SetIcon(m_hIcon, FALSE); // 设置小图标
//数据结构初始化
InitData();
//界面信息初始化
InitDlgItem();
//SDL初始化
InitSdl();
OnBnClickedBtnPreview();
return TRUE;
}
void CLS_DlgStreamPusher::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // 用于绘制的设备上下文
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
// 使图标在工作区矩形中居中
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// 绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
//当用户拖动最小化窗口时系统调用此函数取得光标
//显示。
HCURSOR CLS_DlgStreamPusher::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
}
static int video_refresh_thread(void* opaque)
{
struct_stream_info* pstrct_streaminfo = (struct_stream_info*)opaque;
if (NULL == pstrct_streaminfo) {
TRACE("NULL == pstrct_streaminfo");
return -1;
}
while (!pstrct_streaminfo->m_iAbortRequest) {
SDL_Event event;
event.type = FF_VIDEO_REFRESH_EVENT;
SDL_PushEvent(&event);
}
SDL_Delay(40);
SDL_Event event;
event.type = FF_BREAK_EVENT;
SDL_PushEvent(&event);
return 0;
}
void CLS_DlgStreamPusher::OnBnClickedChkSrcType()
{
m_blUrl = TRUE;
ShowControls(TRUE);
}
void CLS_DlgStreamPusher::OnBnClickedBtnOpenLocalFile()
{
//打开本地文件
CString szFilter = _T("All Files (*.*)|*.*|avi Files (*.avi)|*.avi|rmvb Files (*.rmvb)|*.rmvb|3gp Files (*.3gp)|*.3gp|mp3 Files (*.mp3)|*.mp3|mp4 Files (*.mp4)|*.mp4|mpeg Files (*.ts)|*.ts|flv Files (*.flv)|*.flv|mov Files (*.mov)|*.mov||");
CFileDialog dlg(TRUE, NULL, NULL, OFN_PATHMUSTEXIST | OFN_HIDEREADONLY, szFilter, NULL);
if (IDOK == dlg.DoModal()) {
CString cstrFilePath = dlg.GetPathName();
m_lstLocalFiles.DeleteAllItems();
ClearFileMem();
if (InsertFileList(cstrFilePath) < 0) {
TRACE("InsertFileList err filepath is [%s]", cstrFilePath);
return;
}
}
else {
MessageBox(_T("message"), NULL, MB_OK);
m_cstrFilePath = "";
return;
}
}
void CLS_DlgStreamPusher::OnBnClickedBtnPreview()
{
if (m_blPreview) {
if (m_pFmtVideoCtx != NULL) {
avformat_close_input(&m_pFmtVideoCtx);
m_pFmtVideoCtx = NULL;
}
if (m_pFmtAudioCtx != NULL) {
avformat_close_input(&m_pFmtAudioCtx);
m_pFmtAudioCtx = NULL;
}
if (m_pStreamInfo->m_pVideoThr) {
SDL_DetachThread(m_pStreamInfo->m_pVideoThr);
m_pStreamInfo->m_pVideoThr = NULL;
}
if (m_pStreamInfo->m_pAudioThr) {
SDL_DetachThread(m_pStreamInfo->m_pAudioThr);
m_pStreamInfo->m_pAudioThr = NULL;
}
}
CString cstrFrameRate = "30";
m_iFrameRate = StrToInt(cstrFrameRate);
if (CreateVideoWindow() < 0) {
TRACE("Failed to create video window\n");
goto END;
}
if (OpenCamera() < 0) {
TRACE("OpenCamera failed!\n");
goto END;
}
if (OpenAduio() < 0) {
TRACE("OpenAduio failed!\n");
goto END;
}
//开启视频采集线程
if (m_pStreamInfo->m_pVideoThr == NULL) {
m_pStreamInfo->m_pVideoThr = SDL_CreateThread(video_thr, NULL, (void*)this);
if (m_pStreamInfo->m_pVideoThr == NULL) {
TRACE("message\n");
goto END;
}
}