void CplayerDlg::OnDestroy()
{
CDialog::OnDestroy();
ReleaseDC(m_pDrawDC);
// close player
if (g_hplayer)
{
playerclose(g_hplayer);
g_hplayer = NULL;
}
}
void CplayerDlg::PlayerOpenFile(void)
{
CFileDialog dlg(TRUE);
TCHAR path[MAX_PATH];
char str [MAX_PATH];
// kill player progress timer
KillTimer(TIMER_ID_PROGRESS);
// stop player first
if (g_hplayer)
{
playerclose(g_hplayer);
g_hplayer = NULL;
}
// open file dialog
if (dlg.DoModal() == IDOK)
{
wcscpy_s(path, dlg.GetPathName());
WideCharToMultiByte(CP_ACP, 0, path, -1, str, MAX_PATH, NULL, NULL);
}
else
{
OnOK();
return;
}
// player open file
g_hplayer = playeropen(str, GetSafeHwnd());
if (g_hplayer)
{
m_bPlayPause = FALSE;
playersetrect(g_hplayer, 0, 0, m_rtClient.right, m_rtClient.bottom - 2);
playerplay(g_hplayer);
SetTimer(TIMER_ID_PROGRESS, 500, NULL);
}
}
// 函数实现
void* playeropen(char *file, void *extra)
{
PLAYER *player = NULL;
AVCodec *decoder = NULL;
int vformat = 0;
int width = 0;
int height = 0;
uint64_t alayout = 0;
int aformat = 0;
int arate = 0;
uint32_t i = 0;
// init log
// log_init(TEXT("DEBUGER"));
// av register all
av_register_all();
// alloc player context
player = (PLAYER*)malloc(sizeof(PLAYER));
memset(player, 0, sizeof(PLAYER));
// create packet queue
pktqueue_create(&(player->PacketQueue));
// open input file
if (avformat_open_input(&(player->pAVFormatContext), file, NULL, 0) != 0) {
goto error_handler;
}
// find stream info
if (avformat_find_stream_info(player->pAVFormatContext, NULL) < 0) {
goto error_handler;
}
// get video & audio codec context
player->iAudioStreamIndex = -1;
player->iVideoStreamIndex = -1;
for (i=0; i<player->pAVFormatContext->nb_streams; i++)
{
switch (player->pAVFormatContext->streams[i]->codec->codec_type)
{
case AVMEDIA_TYPE_AUDIO:
player->iAudioStreamIndex = i;
player->pAudioCodecContext = player->pAVFormatContext->streams[i]->codec;
player->dAudioTimeBase = av_q2d(player->pAVFormatContext->streams[i]->time_base) * 1000;
break;
case AVMEDIA_TYPE_VIDEO:
player->iVideoStreamIndex = i;
player->pVideoCodecContext = player->pAVFormatContext->streams[i]->codec;
player->dVideoTimeBase = av_q2d(player->pAVFormatContext->streams[i]->time_base) * 1000;
player->tVideoFrameRate = player->pAVFormatContext->streams[i]->r_frame_rate;
if (player->tVideoFrameRate.num / player->tVideoFrameRate.den > 100) {
player->tVideoFrameRate.num = 30;
player->tVideoFrameRate.den = 1;
}
break;
}
}
// open audio codec
if (player->iAudioStreamIndex != -1)
{
decoder = avcodec_find_decoder(player->pAudioCodecContext->codec_id);
if (!decoder || avcodec_open(player->pAudioCodecContext, decoder, NULL) < 0)
{
log_printf(TEXT("failed to find or open decoder for audio !\n"));
player->iAudioStreamIndex = -1;
}
}
// open video codec
if (player->iVideoStreamIndex != -1)
{
decoder = avcodec_find_decoder(player->pVideoCodecContext->codec_id);
if (!decoder || avcodec_open(player->pVideoCodecContext, decoder, NULL) < 0)
{
log_printf(TEXT("failed to find or open decoder for video !\n"));
player->iVideoStreamIndex = -1;
}
}
// for video
if (player->iVideoStreamIndex != -1)
{
vformat = player->pVideoCodecContext->pix_fmt;
width = player->pVideoCodecContext->width;
height = player->pVideoCodecContext->height;
}
// for audio
if (player->iAudioStreamIndex != -1)
{
alayout = player->pAudioCodecContext->channel_layout;
//++ fix audio channel layout issue
if (alayout == 0) {
alayout = av_get_default_channel_layout(player->pAudioCodecContext->channels);
}
//-- fix audio channel layout issue
aformat = player->pAudioCodecContext->sample_fmt;
arate = player->pAudioCodecContext->sample_rate;
}
// open core render
player->hCoreRender = renderopen(extra, player->tVideoFrameRate, vformat, width, height,
arate, (AVSampleFormat)aformat, alayout);
// make sure player status paused
player->nPlayerStatus = 0xf;
pthread_create(&(player->hAVDemuxThread), NULL, AVDemuxThreadProc , player);
pthread_create(&(player->hADecodeThread), NULL, AudioDecodeThreadProc, player);
pthread_create(&(player->hVDecodeThread), NULL, VideoDecodeThreadProc, player);
return player;
error_handler:
playerclose(player);
return NULL;
}
