static BOOL AVIFILE_FormatsEqual(PAVISTREAM avi1, PAVISTREAM avi2)
{
LPVOID fmt1 = NULL, fmt2 = NULL;
LONG size1, size2, start1, start2;
BOOL status = FALSE;
assert(avi1 != NULL && avi2 != NULL);
/* get stream starts and check format sizes */
start1 = AVIStreamStart(avi1);
start2 = AVIStreamStart(avi2);
if (FAILED(AVIStreamFormatSize(avi1, start1, &size1)))
return FALSE;
if (FAILED(AVIStreamFormatSize(avi2, start2, &size2)))
return FALSE;
if (size1 != size2)
return FALSE;
/* sizes match, now get formats and compare them */
fmt1 = HeapAlloc(GetProcessHeap(), 0, size1);
if (fmt1 == NULL)
return FALSE;
if (SUCCEEDED(AVIStreamReadFormat(avi1, start1, fmt1, &size1))) {
fmt2 = HeapAlloc(GetProcessHeap(), 0, size1);
if (fmt2 != NULL) {
if (SUCCEEDED(AVIStreamReadFormat(avi2, start2, fmt2, &size1)))
status = (memcmp(fmt1, fmt2, size1) == 0);
}
}
HeapFree(GetProcessHeap(), 0, fmt2);
HeapFree(GetProcessHeap(), 0, fmt1);
return status;
}
bool AviFrameGraber::_Open(void){
//thread_handle_ !=NULL means it is already opened
if (thread_handle_!=NULL) return false;
int res=AVIFileOpen(&avi_file_, file_path_.c_str(), OF_READ, NULL);
if (res!=AVIERR_OK){
woodychang0611::diagnostics::SendError(_T("AviFrameGraber Open File Fail"));
_Close();
return false;
}
res=AVIFileGetStream(avi_file_, &stream_, streamtypeVIDEO, 0/*first stream*/);
if (res!=AVIERR_OK){
woodychang0611::diagnostics::SendError(_T("AviFrameGraber Get Stream Fail"));
_Close();
return false;
}
if (AVIStreamStart(stream_)==-1 || AVIStreamLength(stream_)==-1){
woodychang0611::diagnostics::SendError(_T("AviFrameGraber Stream Start or Length no correct"));
_Close();
return false;
}
AVIFileInfo(avi_file_, &avi_info_, sizeof(AVIFILEINFO));
BITMAPINFOHEADER bih;
bih.biSize = sizeof(BITMAPINFOHEADER);
bih.biWidth = avi_info_.dwWidth;
bih.biHeight = avi_info_.dwHeight;
bih.biPlanes = 1;
bih.biBitCount = 24;
bih.biCompression = BI_RGB;
bih.biSizeImage = 0;
bih.biXPelsPerMeter = 0;
bih.biYPelsPerMeter = 0;
bih.biClrUsed = 0;
bih.biClrImportant = 0;
frame_=AVIStreamGetFrameOpen(stream_, (LPBITMAPINFOHEADER) &bih);
if (frame_ !=NULL){
start_frame_ = AVIStreamStart(stream_);
frame_length_ = AVIStreamLength(stream_);
current_frame_ = start_frame_;
//Set Frame info
frame_info_.start_frame_=start_frame_;
frame_info_.frame_length_ =frame_length_;
frame_info_.frame_per_second_=(FLOAT32)avi_info_.dwRate/avi_info_.dwScale;
frame_info_.frame_width_=(UINT16) avi_info_.dwWidth;
frame_info_.frame_height_=(UINT16) avi_info_.dwHeight;
_status = FRAME_SUBJECT_PAUSE;
thread_handle_ =CreateThread(NULL ,0,this->_ThreadFunc,this,0,NULL);
return true;
}else{
woodychang0611::diagnostics::SendError(_T("AviFrameGraber Get Frame Failed"));
}
return false;
}
void Movie::play(bool Looped)
{
mcrAVIData->State = MOVIESTATE_PLAYED;
mcrAVIData->Time = mcrAVIData->LastTime = clock();
mcrAVIData->Looped = Looped;
#if 0
if (AVIStreamStart(mcrAVIData->pAudioStream) == -1)
io::printError("Could not start audio stream");
#endif
}
static ImBuf *avi_fetchibuf(struct anim *anim, int position)
{
ImBuf *ibuf = NULL;
int *tmp;
int y;
if (anim == NULL) {
return NULL;
}
#if defined(_WIN32) && !defined(FREE_WINDOWS)
if (anim->avistreams) {
LPBITMAPINFOHEADER lpbi;
if (anim->pgf) {
lpbi = AVIStreamGetFrame(anim->pgf, position + AVIStreamStart(anim->pavi[anim->firstvideo]));
if (lpbi) {
ibuf = IMB_ibImageFromMemory((unsigned char *) lpbi, 100, IB_rect, anim->colorspace, "<avi_fetchibuf>");
//Oh brother...
}
}
}
else
#endif
{
ibuf = IMB_allocImBuf(anim->x, anim->y, 24, IB_rect);
tmp = AVI_read_frame(anim->avi, AVI_FORMAT_RGB32, position,
AVI_get_stream(anim->avi, AVIST_VIDEO, 0));
if (tmp == NULL) {
printf("Error reading frame from AVI: '%s'\n", anim->name);
IMB_freeImBuf(ibuf);
return NULL;
}
for (y = 0; y < anim->y; y++) {
memcpy(&(ibuf->rect)[((anim->y - y) - 1) * anim->x], &tmp[y * anim->x],
anim->x * 4);
}
MEM_freeN(tmp);
}
ibuf->rect_colorspace = colormanage_colorspace_get_named(anim->colorspace);
return ibuf;
}
bool CCamAvi::Initialize (char* filename)
{
long hr;
AVISTREAMINFO info;
m_init=false;
m_pos=0;
AVIFileInit ();
hr=AVIFileOpen (&m_paf, filename, OF_READ, NULL);
if (hr!=0) return false;
hr=AVIFileGetStream (m_paf, &m_pas, streamtypeVIDEO, 0);
if (hr!=0) return false;
hr= AVIStreamInfo (m_pas, &info, sizeof (info));
if (hr!=0) return false;
hr=sizeof (m_bi);
hr= AVIStreamReadFormat (m_pas, 0, &m_bi, &hr);
if (hr!=0) return false;
if (m_bi.bmiHeader.biCompression!=0)
{
// find decompressor
m_hic=ICOpen (ICTYPE_VIDEO, info.fccHandler ,ICMODE_DECOMPRESS);
if (m_hic==0) return false;
}
m_data=new unsigned char[m_bi.bmiHeader.biSizeImage];
AVISTREAMINFO a;
AVIStreamInfo (m_pas, &a, sizeof (a));
m_length=a.dwLength;
hr=AVIStreamBeginStreaming (m_pas, 0, 100, 1000);
m_init=true;
m_FrameRate = (double)a.dwRate / a.dwScale;
m_pos=AVIStreamStart (m_pas);
m_data=new BYTE[m_bi.bmiHeader.biSizeImage];
if (m_bi.bmiHeader.biCompression!=0)
{
hr=ICDecompressGetFormat (m_hic, &m_bi, &m_bi_out);
}
else m_bi_out=m_bi;
m_frame.Create (m_bi_out.bmiHeader.biWidth, m_bi_out.bmiHeader.biHeight, m_bi_out.bmiHeader.biBitCount);
return true;
}
void VideoReader::Open(CString strFilePath)
{
AVIFileInit();
LONG hr;
hr = AVIStreamOpenFromFile(&m_pAviStream, strFilePath, streamtypeVIDEO, 0, OF_READ, NULL);
if (hr != 0){
// Handle failure.
AfxMessageBox(L"Failed to open file, file must be an uncompressed video.");
}
else
{
HRESULT hr;
AVISTREAMINFO strhdr;
LONG lStreamSize;
// Determine the size of the format data using
// AVIStreamFormatSize.
AVIStreamFormatSize(m_pAviStream, 0, &lStreamSize);
if (lStreamSize > sizeof(m_bi)) // Format too large?
return;
lStreamSize = sizeof(m_bi);
hr = AVIStreamReadFormat(m_pAviStream, 0, &m_bi, &lStreamSize); // Read format
if (m_bi.biCompression != BI_RGB) // Wrong compression format?
return;
hr = AVIStreamInfo(m_pAviStream, &strhdr, sizeof(strhdr));
// Create new AVI file using AVIFileOpen.
hr = AVIFileOpen(&m_pf, strFilePath + L".Processed.avi", OF_WRITE | OF_CREATE, NULL);
if (hr != 0)
return;
m_currentSize = AVIStreamStart(m_pAviStream);
// Allocate memory for the bitmaps.
m_lpBuffer = (BYTE *)malloc(m_bi.biSizeImage);
}
}
/////////////////////////////////////////////////////////
//get bitmpainfoheader information
/////////////////////////////////////////////////////////
CAviMan::GetBmpHeader(BITMAPINFO *pBmpHeader)
{
LONG bmp_size = sizeof( BITMAPINFO );
AVIStreamReadFormat(m_aviVideoStream, 0, &(pBmpHeader->bmiHeader), &bmp_size); // Read format
memcpy(&m_bmpHeader,pBmpHeader,bmp_size);
m_dwStartFrame = AVIStreamStart(m_aviVideoStream);
m_dwTotalFrame = AVIStreamEnd(m_aviVideoStream); //get number of frames
m_dwImageSize = m_bmpHeader.bmiHeader.biWidth * m_bmpHeader.bmiHeader.biHeight;
switch(m_bmpHeader.bmiHeader.biBitCount)
{
case(24):m_dwImageSize*=3;break;
case(16):m_dwImageSize*=2;break;
}
}
bool CAviToBmp::Open(LPCTSTR Path)
{
Close();
if (FAILED(m_hr = AVIFileOpen(&m_pFile, Path, OF_READ, NULL)))
return(FALSE);
if (FAILED(m_hr = AVIFileGetStream(m_pFile, &m_pStream, streamtypeVIDEO, 0)))
return(FALSE);
m_FrameCount = AVIStreamLength(m_pStream);
long Start = AVIStreamStart(m_pStream);
if (Start < 0)
return(FALSE);
long FmtSize;
if (FAILED(m_hr = AVIStreamReadFormat(m_pStream, Start, NULL, &FmtSize)))
return(FALSE);
m_pBmpInfo = (LPBITMAPINFO)new BYTE[FmtSize];
if (FAILED(m_hr = AVIStreamReadFormat(m_pStream, Start, m_pBmpInfo, &FmtSize)))
return(FALSE);
m_pGetFrame = AVIStreamGetFrameOpen(m_pStream, (LPBITMAPINFOHEADER)AVIGETFRAMEF_BESTDISPLAYFMT);
if (m_pGetFrame == NULL)
return(FALSE);
return(TRUE);
}
BOOL CALLBACK aviaudioOpenDevice(HWND hwnd, PAVISTREAM pavi)
{
MMRESULT mmResult;
LPVOID lpFormat;
LONG cbFormat;
AVISTREAMINFO strhdr;
if (!pavi) // no wave data to play
return FALSE;
if (shWaveOut) // already something playing
return TRUE;
spavi = pavi;
recalc = 1;
AVIStreamInfo(pavi, &strhdr, sizeof(strhdr));
slSampleSize = (LONG) strhdr.dwSampleSize;
if (slSampleSize <= 0 || slSampleSize > AUDIO_BUFFER_SIZE)
return FALSE;
//AVIStreamFormatSize(pavi, 0, &cbFormat);
AVIStreamFormatSize(pavi, AVIStreamStart(pavi), &cbFormat);
lpFormat = GlobalAllocPtr(GHND, cbFormat);
if (!lpFormat)
return FALSE;
//AVIStreamReadFormat(pavi, 0, lpFormat, &cbFormat);
AVIStreamReadFormat(pavi, AVIStreamStart(pavi), lpFormat, &cbFormat);
sdwSamplesPerSec = ((LPWAVEFORMAT) lpFormat)->nSamplesPerSec;
sdwBytesPerSec = ((LPWAVEFORMAT) lpFormat)->nAvgBytesPerSec;
mmResult = waveOutOpen(&shWaveOut, (UINT)WAVE_MAPPER, (WAVEFORMATEX *) lpFormat,
(DWORD) (UINT) hwnd, 0L, CALLBACK_WINDOW);
// Maybe we failed because someone is playing sound already.
// Shut any sound off, and try once more before giving up.
if (mmResult) {
sndPlaySound(NULL, 0);
mmResult = waveOutOpen(&shWaveOut, (UINT)WAVE_MAPPER, (WAVEFORMATEX *) lpFormat,
(DWORD) (UINT)hwnd, 0L, CALLBACK_WINDOW);
}
if (mmResult != 0) {
return FALSE;
}
for (swBuffers = 0; swBuffers < MAX_AUDIO_BUFFERS; swBuffers++) {
if (!(salpAudioBuf[swBuffers] = (LPWAVEHDR)GlobalAllocPtr(GMEM_MOVEABLE | GMEM_SHARE, (DWORD)(sizeof(WAVEHDR) + AUDIO_BUFFER_SIZE))))
break;
salpAudioBuf[swBuffers]->dwFlags = WHDR_DONE;
salpAudioBuf[swBuffers]->lpData = (LPSTR) salpAudioBuf[swBuffers] + sizeof(WAVEHDR);
salpAudioBuf[swBuffers]->dwBufferLength = AUDIO_BUFFER_SIZE;
if (!waveOutPrepareHeader(shWaveOut, salpAudioBuf[swBuffers], sizeof(WAVEHDR)))
continue;
GlobalFreePtr((LPSTR) salpAudioBuf[swBuffers]);
break;
}
if (swBuffers < MIN_AUDIO_BUFFERS) {
aviaudioCloseDevice();
return FALSE;
}
swBuffersOut = 0;
swNextBuffer = 0;
sfPlaying = FALSE;
return TRUE;
}
void VideoHelper::OpenVideo(CString strFilePath, FrameData& data)
{
AVIFileInit();
LONG hr;
hr = AVIStreamOpenFromFile(&m_pAviStream, strFilePath, streamtypeVIDEO, 0, OF_READ, NULL);
if (hr != 0){
// Handle failure.
AfxMessageBox(L"Failed to open file.");
}
else
{
PAVIFILE pf;
PAVISTREAM psSmall;
HRESULT hr;
AVISTREAMINFO strhdr;
BITMAPINFOHEADER bi;
BITMAPINFOHEADER biNew;
LONG lStreamSize;
LPVOID lpOld;
LPVOID lpNew;
// Determine the size of the format data using
// AVIStreamFormatSize.
AVIStreamFormatSize(m_pAviStream, 0, &lStreamSize);
if (lStreamSize > sizeof(bi)) // Format too large?
return;
lStreamSize = sizeof(bi);
hr = AVIStreamReadFormat(m_pAviStream, 0, &bi, &lStreamSize); // Read format
if (bi.biCompression != BI_RGB) // Wrong compression format?
return;
hr = AVIStreamInfo(m_pAviStream, &strhdr, sizeof(strhdr));
// Create new AVI file using AVIFileOpen.
hr = AVIFileOpen(&pf, strFilePath + L".Processed.avi", OF_WRITE | OF_CREATE, NULL);
if (hr != 0)
return;
// Set parameters for the new stream.
biNew = bi;
SetRect(&strhdr.rcFrame, 0, 0, (int) biNew.biWidth,
(int) biNew.biHeight);
// Create a stream using AVIFileCreateStream.
hr = AVIFileCreateStream(pf, &psSmall, &strhdr);
if (hr != 0) { //Stream created OK? If not, close file.
AVIFileRelease(pf);
return;
}
// Set format of new stream using AVIStreamSetFormat.
hr = AVIStreamSetFormat(psSmall, 0, &biNew, sizeof(biNew));
if (hr != 0) {
AVIStreamRelease(psSmall);
AVIFileRelease(pf);
return;
}
// Allocate memory for the bitmaps.
lpOld = malloc(bi.biSizeImage);
// Read the stream data using AVIStreamRead.
for (lStreamSize = AVIStreamStart(m_pAviStream); lStreamSize <
AVIStreamEnd(m_pAviStream)/*1500*/; lStreamSize++) {
//Context::Oversubscribe(true);
hr = AVIStreamRead(m_pAviStream, lStreamSize, 1, lpOld, bi.biSizeImage,
NULL, NULL);
//Context::Oversubscribe(false);
//memcpy_s(lpNew, bi.biSizeImage, lpOld, bi.biSizeImage);
data.m_BBP = bi.biBitCount;
data.m_ColorPlanes = bi.biPlanes;
data.m_EndHeight = bi.biHeight;
data.m_EndWidth = bi.biWidth;
data.m_pFrame = (BYTE*)lpOld;
data.m_Pitch = bi.biWidth * (bi.biBitCount / 8);
data.m_Size = bi.biSizeImage;
data.m_StartHeight = 0;
data.m_StartWidth = 0;
lpNew = m_pVideoAgent->ProcessFrame(data);
if(NULL != lpNew)
{
// Save the compressed data using AVIStreamWrite.
hr = AVIStreamWrite(psSmall, lStreamSize, 1, lpNew,
biNew.biSizeImage, AVIIF_KEYFRAME, NULL, NULL);
}
}
free(lpOld);
// Close the stream and file.
AVIStreamRelease(psSmall);
AVIFileRelease(pf);
}
AVIFileExit();
}
bool setupAudio()
{
int ret;
//read audio stream info; specifically, we need the encoded chunksize
AVISTREAMINFO audioStreamInfo;
AVIStreamInfo(audioStream,&audioStreamInfo,sizeof(AVISTREAMINFO));
audioChunkSize = audioStreamInfo.dwSuggestedBufferSize;
audioSampleCount = audioStreamInfo.dwLength;
audioEncoded = new char[audioChunkSize];
//read the audio streamformat info
LONG formatSize;
AVIStreamReadFormat(audioStream,AVIStreamStart(audioStream),0,&formatSize);
char *format = (char *)malloc(formatSize);
AVIStreamReadFormat(audioStream,AVIStreamStart(audioStream),format,&formatSize);
WAVEFORMATEX *wfxEncoded = (WAVEFORMATEX *)format;
//construct a descriptor for the format we desire to get out of the decoder
//note that we have to use the same samplerate as the encoded format indicates
//since acm can't change the samplerate in one fell swoop
wfxDecoded.cbSize = sizeof(WAVEFORMATEX);
wfxDecoded.nChannels = wfxEncoded->nChannels;
wfxDecoded.wFormatTag = WAVE_FORMAT_PCM;
wfxDecoded.nSamplesPerSec = wfxEncoded->nSamplesPerSec;
wfxDecoded.wBitsPerSample = 16;
wfxDecoded.nBlockAlign = wfxDecoded.wBitsPerSample/8 * wfxEncoded->nChannels;
wfxDecoded.nAvgBytesPerSec = wfxDecoded.nBlockAlign * wfxDecoded.nSamplesPerSec;
sampleSize = wfxDecoded.nBlockAlign;
//try to get a converter from the encoded data to the decoded data
ret = acmStreamOpen(&acmStream,0,wfxEncoded,&wfxDecoded,0,0,0,0);
//now we're done with wfxEncoded
free(format);
if(ret)
{
delete[] audioEncoded;
AVIStreamClose(audioStream);
return false;
}
//decide on a playback buffer size
//make each buffer 1/2sec
playBufferSamples = wfxDecoded.nSamplesPerSec / 2;
playBufferSize = playBufferSamples * sampleSize;
//hurry and try to create the output stream.
//if we can't do that, then everything that follows is pointless.
int mode = 0;
if(wfxDecoded.wBitsPerSample == 8)
mode |= FSOUND_8BITS;
else if(wfxDecoded.wBitsPerSample == 16)
mode |= FSOUND_16BITS;
if(wfxDecoded.nChannels == 1)
mode |= FSOUND_MONO;
else
mode |= FSOUND_STEREO;
#ifdef SND_USE_FMOD
fmod_stream = FSOUND_Stream_Create(win_movie_fmod_streamCallback,playBufferSize,mode,wfxDecoded.nSamplesPerSec,(int)this);
if(!fmod_stream)
{
acmStreamClose(acmStream,0);
delete[] audioEncoded;
AVIStreamClose(audioStream);
err("Error creating fmod stream for movieplayback. Please report this case so we can improve the robustness of the movie player!");
return false;
}
#endif
//find out how large a decode buffer we need for the encode buffer chunksize
acmStreamSize(acmStream,audioChunkSize,&decodeBufferSize,ACM_STREAMSIZEF_SOURCE);
decodeBufferSamples = decodeBufferSize / sampleSize;
//allocate the decode buffer
audioDecoded = new char[decodeBufferSize];
//prep the decode operation
audioStreamHeader.cbStruct = sizeof(ACMSTREAMHEADER);
audioStreamHeader.fdwStatus = 0;
audioStreamHeader.pbSrc = (LPBYTE)audioEncoded;
audioStreamHeader.cbSrcLength = audioChunkSize;
audioStreamHeader.pbDst = (LPBYTE)audioDecoded;
audioStreamHeader.cbDstLength = decodeBufferSize;
ret = acmStreamPrepareHeader(acmStream,&audioStreamHeader,0);
if(ret)
{
delete[] audioDecoded;
acmStreamClose(acmStream,0);
delete[] audioEncoded;
AVIStreamClose(audioStream);
return false;
}
#ifdef SND_USE_FMOD
//finally we're ready to start the audio stream
FSOUND_Stream_Play(FSOUND_FREE,fmod_stream);
#endif
return true;
}
static ImBuf *avi_fetchibuf(struct anim *anim, int position)
{
ImBuf *ibuf = NULL;
int *tmp;
int y;
if (anim == NULL) {
return NULL;
}
#if defined(_WIN32) && !defined(FREE_WINDOWS)
if (anim->avistreams) {
LPBITMAPINFOHEADER lpbi;
if (anim->pgf) {
lpbi = AVIStreamGetFrame(anim->pgf, position + AVIStreamStart(anim->pavi[anim->firstvideo]));
if (lpbi) {
ibuf = IMB_ibImageFromMemory((unsigned char *) lpbi, 100, IB_rect, anim->colorspace, "<avi_fetchibuf>");
//Oh brother...
}
}
}
else {
#else
if (1) {
#endif
ibuf = IMB_allocImBuf(anim->x, anim->y, 24, IB_rect);
tmp = AVI_read_frame(anim->avi, AVI_FORMAT_RGB32, position,
AVI_get_stream(anim->avi, AVIST_VIDEO, 0));
if (tmp == NULL) {
printf("Error reading frame from AVI: '%s'\n", anim->name);
IMB_freeImBuf(ibuf);
return NULL;
}
for (y = 0; y < anim->y; y++) {
memcpy(&(ibuf->rect)[((anim->y - y) - 1) * anim->x], &tmp[y * anim->x],
anim->x * 4);
}
MEM_freeN(tmp);
}
ibuf->rect_colorspace = colormanage_colorspace_get_named(anim->colorspace);
return ibuf;
}
#endif /* WITH_AVI */
#ifdef WITH_FFMPEG
static int startffmpeg(struct anim *anim)
{
int i, videoStream;
AVCodec *pCodec;
AVFormatContext *pFormatCtx = NULL;
AVCodecContext *pCodecCtx;
int frs_num;
double frs_den;
int streamcount;
#ifdef FFMPEG_SWSCALE_COLOR_SPACE_SUPPORT
/* The following for color space determination */
int srcRange, dstRange, brightness, contrast, saturation;
int *table;
const int *inv_table;
#endif
if (anim == 0) return(-1);
streamcount = anim->streamindex;
if (avformat_open_input(&pFormatCtx, anim->name, NULL, NULL) != 0) {
return -1;
}
if (avformat_find_stream_info(pFormatCtx, NULL) < 0) {
av_close_input_file(pFormatCtx);
return -1;
}
av_dump_format(pFormatCtx, 0, anim->name, 0);
/* Find the video stream */
videoStream = -1;
for (i = 0; i < pFormatCtx->nb_streams; i++)
if (pFormatCtx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
if (streamcount > 0) {
streamcount--;
continue;
}
videoStream = i;
break;
}
if (videoStream == -1) {
av_close_input_file(pFormatCtx);
return -1;
}
pCodecCtx = pFormatCtx->streams[videoStream]->codec;
/* Find the decoder for the video stream */
pCodec = avcodec_find_decoder(pCodecCtx->codec_id);
if (pCodec == NULL) {
av_close_input_file(pFormatCtx);
return -1;
}
pCodecCtx->workaround_bugs = 1;
if (avcodec_open2(pCodecCtx, pCodec, NULL) < 0) {
av_close_input_file(pFormatCtx);
return -1;
}
anim->duration = ceil(pFormatCtx->duration *
av_q2d(pFormatCtx->streams[videoStream]->r_frame_rate) /
AV_TIME_BASE);
frs_num = pFormatCtx->streams[videoStream]->r_frame_rate.num;
frs_den = pFormatCtx->streams[videoStream]->r_frame_rate.den;
frs_den *= AV_TIME_BASE;
while (frs_num % 10 == 0 && frs_den >= 2.0 && frs_num > 10) {
frs_num /= 10;
frs_den /= 10;
}
anim->frs_sec = frs_num;
anim->frs_sec_base = frs_den;
anim->params = 0;
anim->x = pCodecCtx->width;
anim->y = av_get_cropped_height_from_codec(pCodecCtx);
anim->pFormatCtx = pFormatCtx;
anim->pCodecCtx = pCodecCtx;
anim->pCodec = pCodec;
anim->videoStream = videoStream;
anim->interlacing = 0;
anim->orientation = 0;
anim->framesize = anim->x * anim->y * 4;
anim->curposition = -1;
anim->last_frame = 0;
anim->last_pts = -1;
anim->next_pts = -1;
anim->next_packet.stream_index = -1;
anim->pFrame = avcodec_alloc_frame();
anim->pFrameComplete = FALSE;
anim->pFrameDeinterlaced = avcodec_alloc_frame();
anim->pFrameRGB = avcodec_alloc_frame();
if (avpicture_get_size(PIX_FMT_RGBA, anim->x, anim->y) !=
anim->x * anim->y * 4)
{
fprintf(stderr,
"ffmpeg has changed alloc scheme ... ARGHHH!\n");
avcodec_close(anim->pCodecCtx);
av_close_input_file(anim->pFormatCtx);
av_free(anim->pFrameRGB);
av_free(anim->pFrameDeinterlaced);
av_free(anim->pFrame);
anim->pCodecCtx = NULL;
return -1;
}
if (anim->ib_flags & IB_animdeinterlace) {
avpicture_fill((AVPicture *) anim->pFrameDeinterlaced,
MEM_callocN(avpicture_get_size(
anim->pCodecCtx->pix_fmt,
anim->pCodecCtx->width,
anim->pCodecCtx->height),
"ffmpeg deinterlace"),
anim->pCodecCtx->pix_fmt,
anim->pCodecCtx->width,
anim->pCodecCtx->height);
}
if (pCodecCtx->has_b_frames) {
anim->preseek = 25; /* FIXME: detect gopsize ... */
}
else {
anim->preseek = 0;
}
anim->img_convert_ctx = sws_getContext(
anim->x,
anim->y,
anim->pCodecCtx->pix_fmt,
anim->x,
anim->y,
PIX_FMT_RGBA,
SWS_FAST_BILINEAR | SWS_PRINT_INFO | SWS_FULL_CHR_H_INT,
NULL, NULL, NULL);
if (!anim->img_convert_ctx) {
fprintf(stderr,
"Can't transform color space??? Bailing out...\n");
avcodec_close(anim->pCodecCtx);
av_close_input_file(anim->pFormatCtx);
av_free(anim->pFrameRGB);
av_free(anim->pFrameDeinterlaced);
av_free(anim->pFrame);
anim->pCodecCtx = NULL;
return -1;
}
#ifdef FFMPEG_SWSCALE_COLOR_SPACE_SUPPORT
/* Try do detect if input has 0-255 YCbCR range (JFIF Jpeg MotionJpeg) */
if (!sws_getColorspaceDetails(anim->img_convert_ctx, (int **)&inv_table, &srcRange,
&table, &dstRange, &brightness, &contrast, &saturation))
{
srcRange = srcRange || anim->pCodecCtx->color_range == AVCOL_RANGE_JPEG;
inv_table = sws_getCoefficients(anim->pCodecCtx->colorspace);
if (sws_setColorspaceDetails(anim->img_convert_ctx, (int *)inv_table, srcRange,
table, dstRange, brightness, contrast, saturation))
{
fprintf(stderr, "Warning: Could not set libswscale colorspace details.\n");
}
}
else {
fprintf(stderr, "Warning: Could not set libswscale colorspace details.\n");
}
#endif
return (0);
}
bool CMusic::loadFromVideo(const CString& fileName)
{
m_loaded = false;
m_fileName = fileName;
m_file = nullptr;
m_fromVideo = true;
#ifdef T_SYSTEM_WINDOWS
m_sampleCount = 0;
ALenum error = alGetError();
CApplication::getApp()->log(CString::fromUTF8("Chargement de la musique de la vidéo %1").arg(m_fileName));
// Ouverture du flux audio
if (AVIStreamOpenFromFile(&m_aviStream, m_fileName.toCharArray(), streamtypeAUDIO, 0, OF_READ, nullptr))
{
CApplication::getApp()->log("AVIStreamOpenFromFile : impossible de lire le flux audio", ILogger::Error);
return false;
}
LONG buffer_size;
AVIStreamRead(m_aviStream, AVIStreamStart(m_aviStream), (-1L), nullptr, 0, &buffer_size, nullptr);
PBYTE tmp_format = new BYTE[buffer_size];
AVIStreamReadFormat(m_aviStream, AVIStreamStart(m_aviStream), tmp_format, &buffer_size);
LPWAVEFORMATEX wave_format = reinterpret_cast<LPWAVEFORMATEX>(tmp_format);
// Lecture du nombre d'échantillons et du taux d'échantillonnage
m_nbrSamples = AVIStreamLength(m_aviStream);
m_sampleRate = wave_format->nSamplesPerSec;
// Détermination du format en fonction du nombre de canaux
switch (wave_format->nChannels)
{
case 1:
m_format = AL_FORMAT_MONO16;
break;
case 2:
m_format = AL_FORMAT_STEREO16;
break;
case 4:
if (!CSoundEngine::isOALExtension("AL_EXT_MCFORMATS"))
{
return false;
}
m_format = alGetEnumValue("AL_FORMAT_QUAD16");
break;
case 6:
if (!CSoundEngine::isOALExtension("AL_EXT_MCFORMATS"))
{
return false;
}
m_format = alGetEnumValue("AL_FORMAT_51CHN16");
break;
case 7:
if (!CSoundEngine::isOALExtension("AL_EXT_MCFORMATS"))
{
return false;
}
m_format = alGetEnumValue("AL_FORMAT_61CHN16");
break;
case 8:
if (!CSoundEngine::isOALExtension("AL_EXT_MCFORMATS"))
{
return false;
}
m_format = alGetEnumValue("AL_FORMAT_71CHN16");
break;
default:
return false;
}
// Création des buffers OpenAL
if (m_buffer[0] == 0 || m_buffer[1] == 0)
{
alGenBuffers(2, m_buffer);
// Traitement des erreurs
if ((error = alGetError()) != AL_NO_ERROR)
{
CSoundEngine::displayOpenALError(error, "alGenBuffers", __LINE__);
return false;
}
// Les buffers sont invalides
if (m_buffer[0] == 0 || m_buffer[1] == 0)
{
CApplication::getApp()->log("Les buffers audio sont invalides", ILogger::Error);
return false;
}
}
// Création d'une source
if (m_source == 0)
{
alGenSources(1, &m_source);
// Traitement des erreurs
if ((error = alGetError()) != AL_NO_ERROR)
{
CSoundEngine::displayOpenALError(error, "alGenSources", __LINE__);
return false;
}
// La source est invalide
if (m_source == 0)
{
CApplication::getApp()->log("La source audio est invalide", ILogger::Error);
return false;
}
}
// On remplit les deux buffers
readData(m_buffer[0], 44100);
readData(m_buffer[1], 44100);
// Remplissage avec les échantillons lus
alSourceQueueBuffers(m_source, 2, m_buffer);
// Traitement des erreurs
if ((error = alGetError()) != AL_NO_ERROR)
{
CSoundEngine::displayOpenALError(error, "alSourceQueueBuffers", __LINE__);
return false;
}
// Paramètres de la source
alSourcei(m_source, AL_LOOPING, false);
// Traitement des erreurs
if ((error = alGetError()) != AL_NO_ERROR)
{
CSoundEngine::displayOpenALError(error, "alGetSourcei", __LINE__);
}
alSourcef(m_source, AL_PITCH, 1.0f);
// Traitement des erreurs
if ((error = alGetError()) != AL_NO_ERROR)
{
CSoundEngine::displayOpenALError(error, "alSourcef", __LINE__);
}
alSourcef(m_source, AL_GAIN, 1.0f);
// Traitement des erreurs
if ((error = alGetError() ) != AL_NO_ERROR)
{
CSoundEngine::displayOpenALError(error, "alSourcef", __LINE__);
}
alSource3f(m_source, AL_POSITION, 0.0f, 0.0f, 0.0f);
// Traitement des erreurs
if ((error = alGetError()) != AL_NO_ERROR)
{
CSoundEngine::displayOpenALError(error, "alSource3f", __LINE__);
}
m_loaded = true;
#endif
return true;
}
BOOL ExtractAVIFrames(CString szFileName)
{
AVIFileInit();
PAVIFILE avi;
int res = AVIFileOpen(&avi, szFileName, OF_READ, NULL);
if (res != AVIERR_OK)
{
//an error occures
if (avi != NULL)
AVIFileRelease(avi);
return FALSE;
}
AVIFILEINFO avi_info;
AVIFileInfo(avi, &avi_info, sizeof(AVIFILEINFO));
CString szFileInfo;
szFileInfo.Format("Dimention: %dx%d\n"
"Length: %d frames\n"
"Max bytes per second: %d\n"
"Samples per second: %d\n"
"Streams: %d\n"
"File Type: %d", avi_info.dwWidth,
avi_info.dwHeight,
avi_info.dwLength,
avi_info.dwMaxBytesPerSec,
(DWORD)(avi_info.dwRate / avi_info.dwScale),
avi_info.dwStreams,
avi_info.szFileType);
AfxMessageBox(szFileInfo, MB_ICONINFORMATION | MB_OK);
PAVISTREAM pStream;
res = AVIFileGetStream(avi, &pStream, streamtypeVIDEO /*video stream*/,
0 /*first stream*/);
if (res != AVIERR_OK)
{
if (pStream != NULL)
AVIStreamRelease(pStream);
AVIFileExit();
return FALSE;
}
//do some task with the stream
int iNumFrames;
int iFirstFrame;
iFirstFrame = AVIStreamStart(pStream);
if (iFirstFrame == -1)
{
//Error getteing the frame inside the stream
if (pStream != NULL)
AVIStreamRelease(pStream);
AVIFileExit();
return FALSE;
}
iNumFrames = AVIStreamLength(pStream);
if (iNumFrames == -1)
{
//Error getteing the number of frames inside the stream
if (pStream != NULL)
AVIStreamRelease(pStream);
AVIFileExit();
return FALSE;
}
//getting bitmap from frame
BITMAPINFOHEADER bih;
ZeroMemory(&bih, sizeof(BITMAPINFOHEADER));
bih.biBitCount = 24; //24 bit per pixel
bih.biClrImportant = 0;
bih.biClrUsed = 0;
bih.biCompression = BI_RGB;
bih.biPlanes = 1;
bih.biSize = 40;
bih.biXPelsPerMeter = 0;
bih.biYPelsPerMeter = 0;
//calculate total size of RGBQUAD scanlines (DWORD aligned)
bih.biSizeImage = (((bih.biWidth * 3) + 3) & 0xFFFC) * bih.biHeight;
PGETFRAME pFrame;
pFrame = AVIStreamGetFrameOpen(pStream,
NULL/*(BITMAPINFOHEADER*) AVIGETFRAMEF_BESTDISPLAYFMT*/ /*&bih*/);
//Get the first frame
int index = 0;
for (int i = iFirstFrame; i<iNumFrames; i++)
{
index = i - iFirstFrame;
BYTE* pDIB = (BYTE*)AVIStreamGetFrame(pFrame, index);
CreateFromPackedDIBPointer(pDIB, index);
}
AVIStreamGetFrameClose(pFrame);
//close the stream after finishing the task
if (pStream != NULL)
AVIStreamRelease(pStream);
AVIFileExit();
return TRUE;
}
void CRotateAVIDlg::ProcessAVI(const TCHAR *source_filename, const TCHAR *dest_filename, eRotation rot)
{
TCHAR error_buf[1024];
PAVIFILE source_avi = 0;
PAVIFILE dest_avi = 0;
PAVISTREAM pSrcVidStream = 0;
PAVISTREAM pSrcAudioStream = 0;
PAVISTREAM pDestVidStream = 0;
PAVISTREAM pDestAudioStream = 0;
char *pSrcBuffer = 0;
char *pJPGBuffer = 0;
char *pDecompBuffer = 0;
char *pRotateBuffer = 0;
char *pDestBuffer = 0;
AVIFileInit();
// source setup
if (AVIFileOpen(&source_avi, source_filename, OF_READ, NULL) != AVIERR_OK)
{
_stprintf(error_buf, TEXT("Couldn't open file %s"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
AVIFILEINFO src_avi_info;
AVIFileInfo(source_avi, &src_avi_info, sizeof(AVIFILEINFO));
if (AVIFileGetStream(source_avi, &pSrcVidStream, streamtypeVIDEO, 0) != AVIERR_OK)
{
_stprintf(error_buf, TEXT("No video stream in %s"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
BITMAPINFOHEADER srcBIH;
long srcvidstreamsize;
AVIStreamFormatSize(pSrcVidStream, 0, &srcvidstreamsize);
if (srcvidstreamsize > sizeof(BITMAPINFOHEADER))
{
_stprintf(error_buf, TEXT("Unable to handle video stream format in %s"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
srcvidstreamsize = sizeof(BITMAPINFOHEADER);
if (AVIStreamReadFormat(pSrcVidStream, 0, &srcBIH, &srcvidstreamsize) != AVIERR_OK)
{
_stprintf(error_buf, TEXT("Error reading stream format in %s"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
if (srcBIH.biCompression != MKFOURCC('M','J','P','G'))
{
_stprintf(error_buf, TEXT("%s is not motion JPEG format"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
AVISTREAMINFO vidstream_info;
if (AVIStreamInfo(pSrcVidStream, &vidstream_info, sizeof(AVISTREAMINFO)) != AVIERR_OK)
{
_stprintf(error_buf, TEXT("Error reading stream info in %s"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
int firstVidSrcFrame = AVIStreamStart(pSrcVidStream);
if (firstVidSrcFrame == -1)
{
_stprintf(error_buf, TEXT("Video stream start error in %s"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
int numVidSrcFrames = AVIStreamLength(pSrcVidStream);
if (numVidSrcFrames == -1)
{
_stprintf(error_buf, TEXT("Video stream length error in %s"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
AVIFileGetStream(source_avi, &pSrcAudioStream, streamtypeAUDIO, 0);
int firstAudioSrcFrame = 0;
int numAudioSrcFrames = 0;
if (pSrcAudioStream)
{
firstAudioSrcFrame = AVIStreamStart(pSrcAudioStream);
if (firstAudioSrcFrame == -1)
{
_stprintf(error_buf, TEXT("Audio stream start error in %s"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
numAudioSrcFrames = AVIStreamLength(pSrcAudioStream);
if (numAudioSrcFrames == -1)
{
_stprintf(error_buf, TEXT("Audio stream length error in %s"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
}
// dest setup
BITMAPINFOHEADER destBIH;
destBIH = srcBIH;
if (rot != CW_180)
{
destBIH.biWidth = srcBIH.biHeight;
destBIH.biHeight = srcBIH.biWidth;
}
if (AVIFileOpen(&dest_avi, dest_filename, OF_CREATE | OF_WRITE, NULL) != AVIERR_OK)
{
_stprintf(error_buf, TEXT("Couldn't open file %s"), dest_filename);
MessageBox(error_buf);
goto cleanup;
}
vidstream_info.rcFrame.left = vidstream_info.rcFrame.top = 0;
vidstream_info.rcFrame.right = destBIH.biWidth;
vidstream_info.rcFrame.bottom = destBIH.biHeight;
if (AVIFileCreateStream(dest_avi, &pDestVidStream, &vidstream_info) != AVIERR_OK)
{
_stprintf(error_buf, TEXT("Error creating video stream in %s"), dest_filename);
MessageBox(error_buf);
goto cleanup;
}
if (AVIStreamSetFormat(pDestVidStream, 0, &destBIH, sizeof(BITMAPINFOHEADER)) != AVIERR_OK)
{
_stprintf(error_buf, TEXT("Error setting video stream format in %s"), dest_filename);
MessageBox(error_buf);
goto cleanup;
}
if (AVIStreamSetFormat(pDestVidStream, 0, &destBIH, sizeof(BITMAPINFOHEADER)) != AVIERR_OK)
{
_stprintf(error_buf, TEXT("Error setting video stream format in %s"), dest_filename);
MessageBox(error_buf);
goto cleanup;
}
// video memory
int img_rgb_size = srcBIH.biHeight * srcBIH.biWidth * 3;
pSrcBuffer = new char[img_rgb_size];
pJPGBuffer = new char[img_rgb_size];
pDecompBuffer = new char[img_rgb_size];
pRotateBuffer = new char[img_rgb_size];
pDestBuffer = new char[img_rgb_size];
long bytes_read;
long bytes_written;
for (int i = firstVidSrcFrame; i < numVidSrcFrames; ++i)
{
if (AVIStreamRead(pSrcVidStream, i, 1, pSrcBuffer, img_rgb_size, &bytes_read, 0) != AVIERR_OK)
{
_stprintf(error_buf, TEXT("Error reading video stream from %s"), source_filename);
MessageBox(error_buf);
goto cleanup;
}
// well-form the jpg
int jpglen = ConstructWellFormedJPEG(pSrcBuffer, pJPGBuffer, bytes_read);
// decompress
JPEGHandler jpgh_decomp(pJPGBuffer, jpglen);
jpgh_decomp.DecompressToRGB(pDecompBuffer, img_rgb_size);
// rotate
int destx, desty;
char *pRotSrc;
char *pRotDest;
switch (rot)
{
case CW_90:
for (int srcy = 0; srcy < srcBIH.biHeight; ++srcy)
{
for (int srcx = 0; srcx < srcBIH.biWidth; ++srcx)
{
destx = srcBIH.biHeight-1-srcy;
desty = srcx;
pRotSrc = &pDecompBuffer[(srcy * srcBIH.biWidth + srcx) * 3];
pRotDest = &pRotateBuffer[(desty * srcBIH.biHeight + destx) * 3];
*pRotDest++ = *pRotSrc++;
*pRotDest++ = *pRotSrc++;
*pRotDest++ = *pRotSrc++;
}
}
break;
case CW_180:
for (int srcy = 0; srcy < srcBIH.biHeight; ++srcy)
{
for (int srcx = 0; srcx < srcBIH.biWidth; ++srcx)
{
destx = srcBIH.biWidth-1-srcx;
desty = srcBIH.biHeight-1-srcy;
pRotSrc = &pDecompBuffer[(srcy * srcBIH.biWidth + srcx) * 3];
pRotDest = &pRotateBuffer[(desty * srcBIH.biWidth + destx) * 3];
*pRotDest++ = *pRotSrc++;
*pRotDest++ = *pRotSrc++;
*pRotDest++ = *pRotSrc++;
}
}
break;
case ACW_90:
for (int srcy = 0; srcy < srcBIH.biHeight; ++srcy)
{
for (int srcx = 0; srcx < srcBIH.biWidth; ++srcx)
{
destx = srcy;
desty = srcBIH.biWidth-1-srcx;
pRotSrc = &pDecompBuffer[(srcy * srcBIH.biWidth + srcx) * 3];
pRotDest = &pRotateBuffer[(desty * srcBIH.biHeight + destx) * 3];
*pRotDest++ = *pRotSrc++;
*pRotDest++ = *pRotSrc++;
*pRotDest++ = *pRotSrc++;
}
}
break;
}
// compress
JPEGHandler jpgh_comp(pRotateBuffer, img_rgb_size);
if (rot != CW_180)
destBIH.biSizeImage = jpgh_comp.CompressFromRGB(pDestBuffer, img_rgb_size, srcBIH.biHeight, srcBIH.biWidth);
else
destBIH.biSizeImage = jpgh_comp.CompressFromRGB(pDestBuffer, img_rgb_size, srcBIH.biWidth, srcBIH.biHeight);
if (AVIStreamWrite(pDestVidStream, i, 1, pDestBuffer, destBIH.biSizeImage, AVIIF_KEYFRAME, NULL, &bytes_written) != AVIERR_OK)
{
_stprintf(error_buf, TEXT("Error writing video stream to %s"), dest_filename);
MessageBox(error_buf);
goto cleanup;
}
}
cleanup:
delete[] pSrcBuffer;
delete[] pDestBuffer;
delete[] pJPGBuffer;
delete[] pDecompBuffer;
delete[] pRotateBuffer;
if (pDestAudioStream) AVIStreamRelease(pDestAudioStream);
if (pDestVidStream) AVIStreamRelease(pDestVidStream);
if (pSrcAudioStream) AVIStreamRelease(pSrcAudioStream);
if (pSrcVidStream) AVIStreamRelease(pSrcVidStream);
if (dest_avi) AVIFileRelease(dest_avi);
if (source_avi) AVIFileRelease(source_avi);
AVIFileExit();
}
void CAviHelper::AVItoBmp(const wstring& strAVIFileName, const wstring& strBmpDir)
{
AVIFileInit();
PAVIFILE avi;
int res = AVIFileOpen(&avi, WS2S(strAVIFileName).c_str(), OF_READ, NULL);
int n = GetLastError();
if (res!=AVIERR_OK)
{
//an error occures
if (avi!=NULL)
AVIFileRelease(avi);
return ;
}
AVIFILEINFO avi_info;
AVIFileInfo(avi, &avi_info, sizeof(AVIFILEINFO));
PAVISTREAM pStream;
res=AVIFileGetStream(avi, &pStream, streamtypeVIDEO /*video stream*/, 0 /*first stream*/);
if (res!=AVIERR_OK)
{
if (pStream!=NULL)
AVIStreamRelease(pStream);
AVIFileExit();
return ;
}
//do some task with the stream
int iNumFrames;
int iFirstFrame;
iFirstFrame = AVIStreamStart(pStream);
if (iFirstFrame==-1)
{
//Error getteing the frame inside the stream
if (pStream!=NULL)
AVIStreamRelease(pStream);
AVIFileExit();
return ;
}
iNumFrames = AVIStreamLength(pStream);
if (iNumFrames==-1)
{
//Error getteing the number of frames inside the stream
if (pStream!=NULL)
AVIStreamRelease(pStream);
AVIFileExit();
return ;
}
//getting bitmap from frame
BITMAPINFOHEADER bih;
ZeroMemory(&bih, sizeof(BITMAPINFOHEADER));
bih.biBitCount=24; //24 bit per pixel
bih.biClrImportant=0;
bih.biClrUsed = 0;
bih.biCompression = BI_RGB;
bih.biPlanes = 1;
bih.biSize = 40;
bih.biXPelsPerMeter = 0;
bih.biYPelsPerMeter = 0;
//calculate total size of RGBQUAD scanlines (DWORD aligned)
bih.biSizeImage = (((bih.biWidth * 3) + 3) & 0xFFFC) * bih.biHeight ;
PGETFRAME pFrame;
pFrame=AVIStreamGetFrameOpen(pStream, NULL );
AVISTREAMINFO streaminfo;
AVIStreamInfo(pStream,&streaminfo,sizeof(AVISTREAMINFO));
//Get the first frame
BITMAPINFOHEADER bih2;
long lsize = sizeof(bih2);
int index= 0;
for (int i = iFirstFrame; i < iNumFrames; i++)
{
index= i-iFirstFrame;
BYTE* pDIB = (BYTE*) AVIStreamGetFrame(pFrame, index); //
AVIStreamReadFormat(pStream,index,&bih2,&lsize);
BITMAPFILEHEADER stFileHdr;
BYTE* Bits=new BYTE[bih2.biSizeImage];
AVIStreamRead(pStream,index,1,Bits,bih2.biSizeImage,NULL,NULL);
//RtlMoveMemory(Bits, pDIB + sizeof(BITMAPINFOHEADER), bih2.biSizeImage);
bih2.biClrUsed =0;
stFileHdr.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER);
stFileHdr.bfSize=sizeof(BITMAPFILEHEADER);
stFileHdr.bfType=0x4d42;
CString FileName;
FileName.Format(_T("Frame-%05d.bmp"), index);
CString strtemp;
strtemp.Format(_T("%s\\%s"), strBmpDir.c_str(), FileName);
FILE* fp=_tfopen(strtemp ,_T("wb"));
fwrite(&stFileHdr,1,sizeof(BITMAPFILEHEADER),fp);
fwrite(&bih2,1,sizeof(BITMAPINFOHEADER),fp);
int ff = fwrite(Bits,1,bih2.biSizeImage,fp);
int e = GetLastError();
fclose(fp);
/////
delete Bits;
//CreateFromPackedDIBPointer(pDIB, index);
}
AVIStreamGetFrameClose(pFrame);
//close the stream after finishing the task
if (pStream!=NULL)
AVIStreamRelease(pStream);
AVIFileExit();
}
// AVI_stream_open() will open the AVI file and prepare it for reading, but will not
// store any of the frame data.
//
// returns: 0 ==> success
// !0 ==> could not open the AVI stream
//
// The filename is expected to be an absolute pathname (or file in the current working directory)
//
int AVI_stream_open(char* filename)
{
if ( !AVI_stream_inited )
AVI_stream_init();
int hr;
PAVIFILE pfile;
PAVISTREAM pstream;
AVISTREAMINFO avi_stream_info;
Assert( !(AVI_stream.flags & AVI_STREAM_F_USED) );
// Open the AVI file
hr = AVIFileOpen(&pfile, filename, OF_SHARE_DENY_WRITE, 0);
if (hr != 0){
// nprintf(("Warning", "AVI ==> Unable to open %s", filename));
return -1;
}
strcpy(AVI_stream.filename, filename);
// Get a handle to the video stream within the AVI file
hr = AVIFileGetStream(pfile, &pstream, streamtypeVIDEO, 0);
if (hr != 0){
//nprintf(("Warning", "AVI ==> Unable to open video stream in %s", filename));
return -1;
}
// Store the pointer to stream, since we'll need it later to read from disk
AVI_stream.pstream = pstream;
AVI_stream.pfile = pfile;
// Get information on the stream
hr = AVIStreamInfo( pstream, &avi_stream_info, sizeof(AVISTREAMINFO) );
if (hr != 0){
//nprintf(("Warning", "AVI ==> Unable to retreive stream info in %s", filename));
return -1;
}
int buffer_size;
int start_sample = AVIStreamStart(pstream);
Assert( start_sample == 0 );
int end_sample = AVIStreamEnd(pstream);
Assert( end_sample >= start_sample );
// store the number of frames in the AVI_info[] structure
AVI_stream.num_frames = end_sample; // start sample must be 0
Assert(AVI_stream.num_frames == AVIStreamLength(pstream) );
// Get information on the stream
hr = AVIStreamInfo( pstream, &avi_stream_info, sizeof(AVISTREAMINFO) );
if (hr != 0){
//nprintf(("Warning", "AVI ==> Unable to retreive stream info in %s", filename));
return -1;
}
buffer_size = avi_stream_info.dwSuggestedBufferSize;
Assert( buffer_size > 0 );
AVI_stream.min_compressed_buffer_size = buffer_size;
// determine the format of the AVI image data
ubyte* format_buffer;
long format_buffer_size;
BITMAPINFO* bitmap_info;
hr = AVIStreamFormatSize(pstream, 0, &format_buffer_size);
Assert( format_buffer_size > 0 );
format_buffer = (ubyte*) malloc(format_buffer_size);
Assert(format_buffer != NULL); // format_buffer is free'ed when AVI is free'ed, since memory is used by b_info member in AVI_info[] structure
hr = AVIStreamReadFormat(pstream, 0, format_buffer, &format_buffer_size);
bitmap_info = (BITMAPINFO*)format_buffer;
switch ( bitmap_info->bmiHeader.biCompression ) {
case BI_RLE8:
break;
default:
Assert(0);
break;
}
AVI_stream.w = bitmap_info->bmiHeader.biWidth;
AVI_stream.h = bitmap_info->bmiHeader.biHeight;
AVI_stream.bpp = bitmap_info->bmiHeader.biBitCount;
// create the palette translation look-up table
//
// Transparency: If the palette color is full green, then treat as transparent
//
RGBQUAD* pal;
pal = (RGBQUAD*)(bitmap_info->bmiColors);
// Store the palette in the AVI stream structure
for ( int i = 0; i < 256; i++ ) {
AVI_stream.palette[i*3] = pal[i].rgbRed;
AVI_stream.palette[i*3+1] = pal[i].rgbGreen;
AVI_stream.palette[i*3+2] = pal[i].rgbBlue;
}
// memcpy(AVI_stream.palette, pal, 256*3);
/*
int transparent_found = 0;
for ( i = 0; i < 256; i++ ) {
//nprintf(("AVI", "AVI ==> R: %d G: %d B: %d\n", pal[i].rgbRed, pal[i].rgbGreen, pal[i].rgbBlue));
if ( pal[i].rgbRed < 5 && pal[i].rgbGreen > 250 && pal[i].rgbBlue < 5 ) {
avi_stream->pal_translation[i] = TRANSPARENT_INDEX;
break; // found transparent, continue in j for loop, since don't need check any more
}
else
avi_stream->pal_translation[i] = palette_find( pal[i].rgbRed, pal[i].rgbGreen, pal[i].rgbBlue );
}
for ( j = i+1; j < 256; j++ ) {
avi_stream->pal_translation[j] = palette_find( pal[j].rgbRed, pal[j].rgbGreen, pal[j].rgbBlue );
}
*/
free(format_buffer);
// set the flag to used, so to make sure we only process one AVI stream at a time
AVI_stream.flags |= AVI_STREAM_F_USED;
return 0;
}
// Play audio, starting at a given frame/sample
BOOL CALLBACK aviaudioPlay(HWND hwnd, PAVISTREAM pavi, LONG lStart, LONG lEnd, BOOL fWait)
{
if (audioPlayable <= 0)
return FALSE;
//CString tx;
//tx.Format("audioPlayable %d",audioPlayable);
//MessageBox(NULL,tx,"Note",MB_OK);
recalc = 1;
// CString msx;
if (lStart < 0)
lStart = AVIStreamStart(pavi);
if (lEnd < 0)
lEnd = AVIStreamEnd(pavi);
if (lEnd <= lStart) {
return FALSE;
}
if (!aviaudioOpenDevice(hwnd, pavi)) {
if ((runmode == 0) || (runmode == 1)) {
//MessageBox(NULL,"AudioOpen failed","Note",MB_OK | MB_ICONEXCLAMATION);
MessageOut(NULL,IDS_AOF, IDS_NOTE, MB_OK | MB_ICONEXCLAMATION);
}
return FALSE;
}
if (!sfPlaying) {
// We're beginning play, so pause until we've filled the buffers
// for a seamless start
waveOutPause(shWaveOut);
slBegin = lStart;
slCurrent = lStart;
slEnd = lEnd;
sfPlaying = TRUE;
} else {
slEnd = lEnd;
}
//ErrMsg("playbegin");
//Error here -- program crash when play at non start time after steam is pasted
aviaudioiFillBuffers();
//ErrMsg("play");
// Now unpause the audio and away it goes!
waveOutRestart(shWaveOut);
// Caller wants us not to return until play is finished
if (fWait) {
while (swBuffersOut > 0)
Yield();
}
return TRUE;
}
HRESULT CAviBitmap::Init()
{
HRESULT hr = E_FAIL;
do
{
//Open file
hr = AVIFileOpen(&m_pAviFile, m_szFileName, OF_READ, NULL);
if(hr != S_OK)
{
m_szLastErrorMsg.Format(_T("Unable to Open the Movie File"));
break;
}
//Get video stream
hr = AVIFileGetStream(m_pAviFile, &m_pAviStream, streamtypeVIDEO /*video stream*/, 0 /*first stream*/);
if(hr != S_OK)
{
m_szLastErrorMsg.Format(_T("Unable to Get the video stream"));
break;
}
hr = AVIStreamInfo(m_pAviStream, &m_aviInfo, sizeof(AVISTREAMINFO));
if(hr != S_OK)
{
m_szLastErrorMsg.Format(_T("Unable to Get the video stream info"));
break;
}
CString szFourCC;
FourCC2Str(m_aviInfo.fccHandler, szFourCC);
AfxTrace(_T("fccHandler=%s, 0x%08X\n"), szFourCC, m_aviInfo.fccHandler);
ZeroMemory(&m_biWanted, sizeof(m_biWanted));
LONG lFormat = sizeof(m_biWanted);
hr = AVIStreamReadFormat(m_pAviStream, 0, &m_biWanted, &lFormat);
if(hr != S_OK)
{
m_szLastErrorMsg.Format(_T("Unable to Get the foramt of the 1st frame"));
break;
}
m_biWanted.biCompression = BI_RGB;
m_biWanted.biBitCount = 32;
m_biWanted.biSizeImage = m_biWanted.biWidth * 4 * m_biWanted.biHeight;
//Set the result to Fail
hr = E_FAIL;
//Get the GETFRAME handle
m_pGetFrame = AVIStreamGetFrameOpen(m_pAviStream, &m_biWanted);
if(m_pGetFrame == NULL)
{
m_szLastErrorMsg.Format(_T("Unable to Get the GETFRAME handle"));
break;
}
//Get the 1st sample
m_lFirstSample = AVIStreamStart(m_pAviStream);
if(m_lFirstSample == -1)
{
m_szLastErrorMsg.Format(_T("Unable to Get the first sample"));
break;
}
//Get the total sample count
m_lSampleCount = AVIStreamLength(m_pAviStream);
if(m_lSampleCount == -1)
{
m_szLastErrorMsg.Format(_T("Unable to Get the sample count"));
break;
}
//Done
hr = S_OK;
} while (FALSE);
if(hr != S_OK)
{
ReleaseMemory();
}
return hr;
}
bool CMusic::readData(ALuint buffer, ALsizei nbr_samples)
{
ALenum error = alGetError();
// Lecture des échantillons audio au format entier 16 bits signé
std::vector<ALshort> samples(nbr_samples);
// Lecture depuis un fichier
if (m_file)
{
// On remplit le premier buffer
if (sf_read_short(m_file, &samples[0], nbr_samples) == 0)
{
// Fin du fichier, on revient au début
if (m_loop)
{
sf_seek(m_file, 0, SEEK_SET);
#ifdef T_SYSTEM_WINDOWS
m_sampleCount = 0;
#endif
}
else
{
m_play = false;
}
return true;
}
// On le remplit avec les données du fichier
alBufferData(buffer, m_format, &samples[0], nbr_samples * sizeof(ALushort), m_sampleRate);
// Traitement des erreurs
if ((error = alGetError()) != AL_NO_ERROR)
{
CSoundEngine::displayOpenALError(error, "alBufferData", __LINE__);
return false;
}
return true;
}
#ifdef T_SYSTEM_WINDOWS
// Lecture depuis une vidéo
else if (m_fromVideo && m_aviStream)
{
LONG samples_read;
switch (AVIStreamRead(m_aviStream, AVIStreamStart(m_aviStream) + m_sampleCount, nbr_samples, &samples[0], nbr_samples * sizeof(ALshort), nullptr, &samples_read))
{
// Aucune erreur
case 0: break;
case AVIERR_BUFFERTOOSMALL:
CApplication::getApp()->log("AVIStreamRead : The buffer size was smaller than a single sample of data.", ILogger::Error);
return false;
case AVIERR_MEMORY:
CApplication::getApp()->log("AVIStreamRead : There was not enough memory to complete the read operation.", ILogger::Error);
return false;
case AVIERR_FILEREAD:
CApplication::getApp()->log("AVIStreamRead : A disk error occurred while reading the file.", ILogger::Error);
return false;
default:
CApplication::getApp()->log("AVIStreamRead : Unknown error", ILogger::Error);
return false;
}
m_sampleCount += samples_read / 2; // On divise par la taille d'un échantillon
// Le nombre d'échantillons lus est inférieur au nombre demandé : on revient au début
//TODO: vérifier pour chaque format possible
if ((m_format == AL_FORMAT_MONO16 && samples_read < nbr_samples) ||
(m_format == AL_FORMAT_STEREO16 && samples_read * 2 < nbr_samples))
{
if (m_loop)
{
m_sampleCount = 0;
}
else
{
m_play = false;
}
}
// On le remplit avec les données du fichier
alBufferData(buffer, m_format, &samples[0], samples_read * sizeof(ALushort), m_sampleRate);
// Traitement des erreurs
if ((error = alGetError()) != AL_NO_ERROR)
{
CSoundEngine::displayOpenALError(error, "alBufferData", __LINE__);
return false;
}
return true;
}
#endif
return false;
}
VDPosition AVIReadTunnelStream::Start() {
return AVIStreamStart(pas);
}
static void test_default_data(void)
{
COMMON_AVI_HEADERS cah;
char filename[MAX_PATH];
PAVIFILE pFile;
int res;
LONG lSize;
PAVISTREAM pStream0;
PAVISTREAM pStream1;
AVISTREAMINFOA asi0, asi1;
WAVEFORMATEX wfx;
GetTempPathA(MAX_PATH, filename);
strcpy(filename+strlen(filename), testfilename);
init_test_struct(&cah);
create_avi_file(&cah, filename);
res = AVIFileOpenA(&pFile, filename, OF_SHARE_DENY_WRITE, 0L);
ok(res != AVIERR_BADFORMAT, "Unable to open file: error1=%u\n", AVIERR_BADFORMAT);
ok(res != AVIERR_MEMORY, "Unable to open file: error2=%u\n", AVIERR_MEMORY);
ok(res != AVIERR_FILEREAD, "Unable to open file: error3=%u\n", AVIERR_FILEREAD);
ok(res != AVIERR_FILEOPEN, "Unable to open file: error4=%u\n", AVIERR_FILEOPEN);
ok(res != REGDB_E_CLASSNOTREG, "Unable to open file: error5=%u\n", REGDB_E_CLASSNOTREG);
ok(res == 0, "Unable to open file: error=%u\n", res);
res = AVIFileGetStream(pFile, &pStream0, 0, 0);
ok(res == 0, "Unable to open video stream: error=%u\n", res);
res = AVIFileGetStream(pFile, &pStream1, 0, 1);
ok(res == 0, "Unable to open audio stream: error=%u\n", res);
res = AVIStreamInfoA(pStream0, &asi0, sizeof(asi0));
ok(res == 0, "Unable to read stream info: error=%u\n", res);
res = AVIStreamInfoA(pStream1, &asi1, sizeof(asi1));
ok(res == 0, "Unable to read stream info: error=%u\n", res);
res = AVIStreamReadFormat(pStream0, AVIStreamStart(pStream1), NULL, &lSize);
ok(res == 0, "Unable to read format size: error=%u\n", res);
res = AVIStreamReadFormat(pStream1, AVIStreamStart(pStream1), &wfx, &lSize);
ok(res == 0, "Unable to read format: error=%u\n", res);
ok(asi0.fccType == streamtypeVIDEO, "got 0x%x (expected streamtypeVIDEO)\n", asi0.fccType);
ok(asi0.fccHandler == 0x30323449, "got 0x%x (expected 0x30323449)\n", asi0.fccHandler);
ok(asi0.dwFlags == 0, "got %u (expected 0)\n", asi0.dwFlags);
ok(asi0.wPriority == 0, "got %u (expected 0)\n", asi0.wPriority);
ok(asi0.wLanguage == 0, "got %u (expected 0)\n", asi0.wLanguage);
ok(asi0.dwScale == 1001, "got %u (expected 1001)\n", asi0.dwScale);
ok(asi0.dwRate == 30000, "got %u (expected 30000)\n", asi0.dwRate);
ok(asi0.dwStart == 0, "got %u (expected 0)\n", asi0.dwStart);
ok(asi0.dwLength == 1, "got %u (expected 1)\n", asi0.dwLength);
ok(asi0.dwInitialFrames == 0, "got %u (expected 0)\n", asi0.dwInitialFrames);
ok(asi0.dwSuggestedBufferSize == 0, "got %u (expected 0)\n", asi0.dwSuggestedBufferSize);
ok(asi0.dwQuality == 0xffffffff, "got 0x%x (expected 0xffffffff)\n", asi0.dwQuality);
ok(asi0.dwSampleSize == 0, "got %u (expected 0)\n", asi0.dwSampleSize);
ok(asi0.rcFrame.left == 0, "got %u (expected 0)\n", asi0.rcFrame.left);
ok(asi0.rcFrame.top == 0, "got %u (expected 0)\n", asi0.rcFrame.top);
ok(asi0.rcFrame.right == 8, "got %u (expected 8)\n", asi0.rcFrame.right); /* these are based on the values in the mah and not */
ok(asi0.rcFrame.bottom == 6, "got %u (expected 6)\n", asi0.rcFrame.bottom);/* on the ones in the ash which are 0 here */
ok(asi0.dwEditCount == 0, "got %u (expected 0)\n", asi0.dwEditCount);
ok(asi0.dwFormatChangeCount == 0, "got %u (expected 0)\n", asi0.dwFormatChangeCount);
ok(asi1.fccType == streamtypeAUDIO, "got 0x%x (expected streamtypeVIDEO)\n", asi1.fccType);
ok(asi1.fccHandler == 0x1, "got 0x%x (expected 0x1)\n", asi1.fccHandler);
ok(asi1.dwFlags == 0, "got %u (expected 0)\n", asi1.dwFlags);
ok(asi1.wPriority == 0, "got %u (expected 0)\n", asi1.wPriority);
ok(asi1.wLanguage == 0, "got %u (expected 0)\n", asi1.wLanguage);
ok(asi1.dwScale == 1, "got %u (expected 1)\n", asi1.dwScale);
ok(asi1.dwRate == 11025, "got %u (expected 11025)\n", asi1.dwRate);
ok(asi1.dwStart == 0, "got %u (expected 0)\n", asi1.dwStart);
ok(asi1.dwLength == 1637, "got %u (expected 1637)\n", asi1.dwLength);
ok(asi1.dwInitialFrames == 0, "got %u (expected 0)\n", asi1.dwInitialFrames);
ok(asi1.dwSuggestedBufferSize == 0, "got %u (expected 0)\n", asi1.dwSuggestedBufferSize);
ok(asi1.dwQuality == 0xffffffff, "got 0x%x (expected 0xffffffff)\n", asi1.dwQuality);
ok(asi1.dwSampleSize == 2, "got %u (expected 2)\n", asi1.dwSampleSize);
ok(asi1.rcFrame.left == 0, "got %u (expected 0)\n", asi1.rcFrame.left);
ok(asi1.rcFrame.top == 0, "got %u (expected 0)\n", asi1.rcFrame.top);
ok(asi1.rcFrame.right == 0, "got %u (expected 0)\n", asi1.rcFrame.right);
ok(asi1.rcFrame.bottom == 0, "got %u (expected 0)\n", asi1.rcFrame.bottom);
ok(asi1.dwEditCount == 0, "got %u (expected 0)\n", asi1.dwEditCount);
ok(asi1.dwFormatChangeCount == 0, "got %u (expected 0)\n", asi1.dwFormatChangeCount);
ok(wfx.wFormatTag == 1, "got %u (expected 1)\n",wfx.wFormatTag);
ok(wfx.nChannels == 2, "got %u (expected 2)\n",wfx.nChannels);
ok(wfx.wFormatTag == 1, "got %u (expected 1)\n",wfx.wFormatTag);
ok(wfx.nSamplesPerSec == 11025, "got %u (expected 11025)\n",wfx.nSamplesPerSec);
ok(wfx.nAvgBytesPerSec == 22050, "got %u (expected 22050)\n",wfx.nAvgBytesPerSec);
ok(wfx.nBlockAlign == 2, "got %u (expected 2)\n",wfx.nBlockAlign);
AVIStreamRelease(pStream0);
AVIStreamRelease(pStream1);
AVIFileRelease(pFile);
ok(DeleteFileA(filename) !=0, "Deleting file %s failed\n", filename);
}
bool VideoComponent::openAvi(const std::string& filename)
{
// Stop any currently loaded avi
closeAvi();
AVIFileInit(); // Opens The AVIFile Library
// Opens The AVI Stream
if (AVIStreamOpenFromFile(&m_pavi, filename.c_str(), streamtypeVIDEO, 0, OF_READ, NULL) !=0)
{
GameLog::errorMessage("Error opening avi: %s", filename.c_str());
// An Error Occurred Opening The Stream
AVIFileExit(); // Release The File
return false;
}
AVIStreamInfo(m_pavi, &m_psi, sizeof(m_psi)); // Reads Information About The Stream Into psi
m_width = m_psi.rcFrame.right-m_psi.rcFrame.left; // Width Is Right Side Of Frame Minus Left
m_height = m_psi.rcFrame.bottom-m_psi.rcFrame.top; // Height Is Bottom Of Frame Minus Top
if (!m_resize)
{
// Size should be kept
m_resizeWidth = m_width;
m_resizeHeight = m_height;
}
m_lastframe = AVIStreamLength(m_pavi); // The Last Frame Of The Stream
m_timePerFrame = ((float)AVIStreamSampleToTime(m_pavi, m_lastframe) / (float) m_lastframe) / 1000.0f; // Calculate Rough Seconds Per Frame
m_bmih.biSize = sizeof (BITMAPINFOHEADER); // Size Of The BitmapInfoHeader
m_bmih.biPlanes = 1; // Bitplanes
m_bmih.biBitCount = 24; // Bits Format We Want 24 / 8 = 3 bytes
m_bmih.biWidth = m_resizeWidth; // Width We Want
m_bmih.biHeight = m_resizeHeight; // Height We Want
m_bmih.biCompression= BI_RGB; // Requested Mode = RGB
m_hBitmap = CreateDIBSection (m_hdc, (BITMAPINFO*)(&m_bmih), DIB_RGB_COLORS, (void**)(&m_data), NULL, NULL);
SelectObject (m_hdc, m_hBitmap); // Select hBitmap Into Our Device Context (hdc)
// Bitmapinfo header for decoding (needed for xvid)
m_bmiavih.biSize = sizeof(BITMAPINFOHEADER);
m_bmiavih.biPlanes = 1; // Bitplanes
m_bmiavih.biBitCount = 24; // Bits Format We Want 24 / 8 = 3 bytes
m_bmiavih.biWidth = m_width; // Width We Want
m_bmiavih.biHeight = m_height; // Height We Want
m_bmiavih.biCompression = BI_RGB; // Requested Mode = RGB
// And some more infos
m_bmiavih.biClrImportant = 0;
m_bmiavih.biClrUsed = 0;
m_bmiavih.biXPelsPerMeter = 0;
m_bmiavih.biYPelsPerMeter = 0;
m_bmiavih.biSizeImage = (((m_bmiavih.biWidth * 3) + 3) & 0xFFFC) * m_bmiavih.biHeight;
m_pgf=AVIStreamGetFrameOpen(m_pavi, &m_bmiavih);// Create The PGETFRAME Using Our Request Mode
if (m_pgf==0x0)
{
GameLog::errorMessage("Error opening first frame of avi: %s", filename.c_str());
// An Error Occurred Opening The Frame
DeleteObject(m_hBitmap); // Delete The Device Dependant Bitmap Object
AVIStreamRelease(m_pavi); // Release The Stream
AVIFileExit(); // Release The File
return false;
}
m_fileName = filename;
// Create buffer for converted data
// width*height = count pixel; each pixel has 4 channels for rgba with each one byte
int dataSize = 4*m_resizeWidth*m_resizeHeight;
m_bgraData = new unsigned char[dataSize];
// Initialize with 255 (black screen with full alpha)
memset(m_bgraData, 255, dataSize);
// Prepare horde texture stream named like the video file name, to get a unique name
m_videoTexture = h3dCreateTexture(filename.c_str(), m_resizeWidth, m_resizeHeight, H3DFormats::TEX_BGRA8, H3DResFlags::NoTexMipmaps);
if (m_videoTexture == 0)
{
GameLog::errorMessage("Error creating texture for playing avi: %s", filename.c_str());
// Failure creating the dynamic texture
closeAvi();
return false;
}
// Find the sampler index within the material
m_samplerIndex = h3dFindResElem(m_material, H3DMatRes::SamplerElem, H3DMatRes::SampNameStr, "albedoMap");
if (m_samplerIndex == -1)
{
GameLog::errorMessage("Error preparing material with resID %d for playing avi: %s", m_material, filename.c_str());
// No sampler found in material
closeAvi();
return false;
}
// Store old sampler
m_originalSampler = h3dGetResParamI(m_material, H3DMatRes::SamplerElem, m_samplerIndex, H3DMatRes::SampTexResI);
// Now open the audio stream
PAVISTREAM audioStream;
if (AVIStreamOpenFromFile(&audioStream, filename.c_str(), streamtypeAUDIO, 0, OF_READ, NULL) == 0)
{
// Audio stream found
// Get format info
PCMWAVEFORMAT audioFormat;
long formatSize = sizeof(audioFormat);
int start = AVIStreamStart(audioStream);
// TODO get channelsmask and use it
AVIStreamReadFormat(audioStream, start, &audioFormat, &formatSize);
long numSamples = AVIStreamLength(audioStream);
int bitsPerSample = (audioFormat.wf.nAvgBytesPerSec * 8) / (audioFormat.wf.nSamplesPerSec * audioFormat.wf.nChannels);
/*if (audioFormat.wf.wFormatTag == WAVE_FORMAT_MPEGLAYER3)
{
// TODO
MPEGLAYER3WAVEFORMAT mp3Format;
formatSize = sizeof(mp3Format);
AVIStreamReadFormat(audioStream, start, &mp3Format, &formatSize);
}*/
// Create buffer with appropriate size
long bufferSize = (bitsPerSample * numSamples) / 8;
char* buffer = new char[bufferSize];
// Read the audio data
long bytesWritten = 0;
AVIStreamRead(audioStream, start, numSamples, buffer, bufferSize, &bytesWritten, 0x0);
if (bytesWritten > 0)
{
// Send the audio data to the sound component
SoundResourceData eventData(buffer, bytesWritten, audioFormat.wf.nSamplesPerSec, bitsPerSample, audioFormat.wf.nChannels);
GameEvent event(GameEvent::E_SET_SOUND_WITH_USER_DATA, &eventData, this);
m_owner->executeEvent(&event);
m_hasAudio = true;
}
// Delete the buffer data
delete[] buffer;
}
if (m_autoStart)
// Play video directly
playAvi();
return true;
}
// Return the time in milliseconds corresponding to the currently playing audio sample, or -1 if no audio is playing.
LONG CALLBACK aviaudioTime(void)
{
MMTIME mmtime;
if (audioPlayable <= 0)
return -1;
if (!sfPlaying)
return -1;
//not sure
if (recalc) {
streamEnd = AVIStreamEnd(spavi);
streamStart = AVIStreamStart(spavi);
recalc = 0;
//ErrMsg("recalc");
}
if ((streamEnd<=streamStart) || (streamEnd<=0))
return -1;
mmtime.wType = TIME_SAMPLES;
waveOutGetPosition(shWaveOut, &mmtime, sizeof(mmtime));
if (mmtime.wType == TIME_SAMPLES)
return AVIStreamSampleToTime(spavi, slBegin) + muldiv32(mmtime.u.sample, 1000, sdwSamplesPerSec);
else if (mmtime.wType == TIME_BYTES)
return AVIStreamSampleToTime(spavi, slBegin) + muldiv32(mmtime.u.cb, 1000, sdwBytesPerSec);
else
return -1;
}
