//================================ TavisynthAudio ================================
TavisynthAudio::TavisynthAudio(const CMediaType &mt,TsampleFormat &fmt,IffdshowBase *deci,const char *scriptName):
script(NULL),
env(NULL),clip(NULL)
{
if (ok) {
env=CreateScriptEnvironment(AVISYNTH_INTERFACE_VERSION);
if (env) {
Textradata extradata(mt);
script=::Tavisynth::getScriptAudio(1+extradata.size+1,(const char*)extradata.data,extradata.size);
if (!script) {
ok=false;
return;
}
AVSValue eval_args[]= {script,scriptName};
try {
AVSValue val=env->Invoke("Eval",AVSValue(eval_args,2));
if (val.IsClip()) {
clip=new PClip(val,env);
//*clip=val.AsClip();
vi=&(*clip)->GetVideoInfo();
switch (vi->SampleType()) {
case SAMPLE_INT16:
fmt.sf=TsampleFormat::SF_PCM16;
break;
case SAMPLE_INT24:
fmt.sf=TsampleFormat::SF_PCM24;
break;
case SAMPLE_INT32:
fmt.sf=TsampleFormat::SF_PCM32;
break;
case SAMPLE_FLOAT:
fmt.sf=TsampleFormat::SF_FLOAT32;
break;
}
ok=true;
}
} catch (AvisynthError &err) {
if (deci) {
deci->dbgError(text<char_t>(err.msg));
}
ok=false;
}
}
}
}
// constructor
cavs_type(void)
: mv_se(CreateScriptEnvironment()), mv_is_fine(true),
mv_video(NULL), mv_audio(NULL) {
DBGLOG("avsutil::impl::cavs_type::cavs_type(void)");
}
int main(int argc, TCHAR* argv[]) {
SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED);
printf("Usage: filmtester <avs filename> [duplicates_maxlength=2]\n");
printf("The program plays the AVS file and tests for frame duplicates\n\n");
int duplicates_maxlength = 2;
if (argc < 2) {
printf("No filename specified.\n\n");
return -1;
}
if (argc > 2) {
duplicates_maxlength = _ttoi(argv[2]);
printf("INFO: duplicates_maxlength set to %d\n", duplicates_maxlength);
}
IScriptEnvironment *env = CreateScriptEnvironment();
_tprintf(_T("Loading \"%s\" ...\n"), argv[1]);
LPCSTR arg_names[1] = { nullptr };
AVSValue arg_vals[1] = { (LPCSTR)argv[1] };
clip = env->Invoke("import", AVSValue(arg_vals,1), arg_names).AsClip();
printf("AVS file loaded successfully.\n\n");
VideoInfo vi = clip->GetVideoInfo();
printf("VideoInfo:\n");
printf("-----------\n");
if (vi.HasVideo()) {
printf("width x height: %dx%d\n", vi.width, vi.height);
printf("num_frames: %d\n", vi.num_frames);
printf("fps: %d/%d\n", vi.fps_numerator, vi.fps_denominator);
std::string colorspace;
if (vi.pixel_type & VideoInfo::CS_BGR) colorspace += "BGR, ";
if (vi.pixel_type & VideoInfo::CS_YUV) colorspace += "YUV, ";
if (vi.pixel_type & VideoInfo::CS_INTERLEAVED) colorspace += "INTERLEAVED, ";
if (vi.pixel_type & VideoInfo::CS_PLANAR) colorspace += "PLANAR, ";
if (colorspace.length() > 0) colorspace.erase(colorspace.length()-2);
printf("colorspace: %s\n", colorspace.c_str());
std::string colorformat;
if (vi.pixel_type & VideoInfo::CS_BGR24) colorformat += "BGR24, ";
if (vi.pixel_type & VideoInfo::CS_BGR32) colorformat += "BGR32, ";
if (vi.pixel_type & VideoInfo::CS_YUY2) colorformat += "YUY2, ";
if (vi.pixel_type & VideoInfo::CS_YV12) colorformat += "YV12, ";
if (vi.pixel_type & VideoInfo::CS_I420) colorformat += "I420 (IYUV), ";
if (colorformat.length() > 0)
colorformat.erase(colorformat.length()-2);
else
colorformat = "UNKNOWN";
printf("colorformat: %s\n", colorformat.c_str());
std::string imagetype;
if (vi.image_type & VideoInfo::IT_BFF) imagetype += "BFF, ";
if (vi.image_type & VideoInfo::IT_TFF) imagetype += "TFF, ";
if (vi.image_type & VideoInfo::IT_FIELDBASED) imagetype += "FIELDBASED, ";
if (imagetype.length() > 0)
imagetype.erase(imagetype.length()-2);
else
imagetype = "UNKNOWN";
printf("image_type: %s\n", imagetype.c_str());
printf("bits per pixel: %d\n", vi.BitsPerPixel());
}
else
printf("NO VIDEO\n");
if (vi.HasAudio()) {
printf("audio channels: %d\n", vi.nchannels);
printf("sample_type: %x\n", vi.sample_type);
printf("samples per second: %d\n", vi.audio_samples_per_second);
printf("bytes per channel sample: %d\n", vi.BytesPerChannelSample());
printf("bytes per audio sample: %d\n", vi.BytesPerAudioSample());
printf("num_audio_samples: %lld\n", vi.num_audio_samples);
}
else
printf("NO AUDIO\n");
printf("-----------\n\n");
if (!vi.HasVideo()) {
printf("Can't start video playback for the sequence without video.\n\n");
return -1;
}
printf("Starting playback ...\n");
prev_frame = clip->GetFrame(0, env);
int framesize = prev_frame->GetFrameBuffer()->GetDataSize();
printf("INFO: framesize = %d bytes.\n\n", framesize);
InitializeCriticalSection(&cs);
SetConsoleCtrlHandler((PHANDLER_ROUTINE)CtrlHandler, TRUE);
int error_count = 0;
int dup_start_frame = 0;
bool flag_dup = false;
std::vector<std::pair<int, int>> duplicates;
for(int i=1; i<vi.num_frames; ++i) {
EnterCriticalSection(&cs);
dst = clip->GetFrame(i, env);
const BYTE *src_ptr = prev_frame->GetFrameBuffer()->GetReadPtr();
const BYTE *dst_ptr = dst->GetFrameBuffer()->GetReadPtr();
if (!memcmp(src_ptr, dst_ptr, framesize)) {
if (!flag_dup) {
flag_dup = true;
dup_start_frame = i-1;
}
}
else if (flag_dup) {
int length = (i-1) - dup_start_frame;
if (length >= duplicates_maxlength) {
printf("\rfilmtester: duplication interval: %d..%d" SPACES "\n", dup_start_frame, i-1);
duplicates.push_back(std::make_pair(dup_start_frame, i-1));
error_count++;
}
flag_dup = false;
}
prev_frame = dst;
LeaveCriticalSection(&cs);
printf("\r[%5.1f%%] [%d errors] %d/%d frame processing", (float)((i+1)*100)/vi.num_frames, error_count, i+1, vi.num_frames);
}
EnterCriticalSection(&cs);
if (flag_dup) {
int i = vi.num_frames;
int length = (i-1) - dup_start_frame;
if (length >= duplicates_maxlength) {
printf("\rfilmtester: duplication interval: %d..%d" SPACES "\n", dup_start_frame, i-1);
duplicates.push_back(std::make_pair(dup_start_frame, i-1));
error_count++;
}
flag_dup = false;
}
printf("\rProcessing completed." SPACES "\n\n");
printf("%d errors\n", error_count);
printf("\n");
if (error_count > 0) {
printf("Erroneous intervals (%d):\n", duplicates.size());
for(auto it = duplicates.begin(); it != duplicates.end(); ++it)
printf("%5d .. %d\n", it->first, it->second);
printf("\n");
}
dst = nullptr;
prev_frame = nullptr;
clip = nullptr;
LeaveCriticalSection(&cs);
DeleteCriticalSection(&cs);
return error_count;
}
