int AvxContext::OutputAudio() {
FILE *sink;
void *writeBuffer = NULL;
sighandler_t old_sigpipe = signal(SIGPIPE, SIG_IGN);
if (launchMPlayer) {
char command[1024];
if (MPlayerCommandAudio(command))
return -1;
AVXLOG_INFO("MPlayer command line: %s", command);
sink = popen(command, "w");
if (!sink) {
AVXLOG_ERROR("%s", "Error starting mplayer");
return -1;
}
} else {
sink = stdout;
}
#define AUDIO_SAMPLES 1000
try {
writeBuffer = malloc(vi.BytesPerAudioSample() * AUDIO_SAMPLES);
if (!writeBuffer) {
AVXLOG_ERROR("%s", "Unable to allocate memory");
goto fail;
}
for (__int64 i = 0; i < vi.num_audio_samples; i += AUDIO_SAMPLES) {
if (launchMPlayer && (feof(sink) || ferror(sink))) {
AVXLOG_ERROR("%s", "mplayer process exited");
break;
}
int read_samples;
if (vi.num_audio_samples - AUDIO_SAMPLES < i)
read_samples = vi.num_audio_samples - i;
else
read_samples = AUDIO_SAMPLES;
clip->GetAudio(writeBuffer, i, read_samples, avx_library.env);
fwrite(writeBuffer, vi.BytesPerAudioSample(), read_samples, sink);
}
} catch (AvisynthError &e) {
AVXLOG_ERROR("AvisynthError: %s", e.msg);
goto fail;
}
#undef AUDIO_SAMPLES
free(writeBuffer);
if (launchMPlayer)
pclose(sink);
signal(SIGPIPE, old_sigpipe);
return 0;
fail:
if (writeBuffer)
free(writeBuffer);
if (launchMPlayer)
pclose(sink);
signal(SIGPIPE, old_sigpipe);
return -1;
}
/// @brief Read from environment
/// @param _clip
///
void AvisynthAudioProvider::LoadFromClip(AVSValue _clip) {
AVSValue script;
// Check if it has audio
VideoInfo vi = _clip.AsClip()->GetVideoInfo();
if (!vi.HasAudio()) throw agi::AudioDataNotFoundError("No audio found.", 0);
IScriptEnvironment *env = avs_wrapper.GetEnv();
// Convert to one channel
char buffer[1024];
strcpy(buffer,lagi_wxString(OPT_GET("Audio/Downmixer")->GetString()).mb_str(csConvLocal));
script = env->Invoke(buffer, _clip);
// Convert to 16 bits per sample
script = env->Invoke("ConvertAudioTo16bit", script);
vi = script.AsClip()->GetVideoInfo();
// Convert sample rate
int setsample = OPT_GET("Provider/Audio/AVS/Sample Rate")->GetInt();
if (vi.SamplesPerSecond() < 32000) setsample = 44100;
if (setsample != 0) {
AVSValue args[2] = { script, setsample };
script = env->Invoke("ResampleAudio", AVSValue(args,2));
}
// Set clip
PClip tempclip = script.AsClip();
vi = tempclip->GetVideoInfo();
// Read properties
channels = vi.AudioChannels();
num_samples = vi.num_audio_samples;
sample_rate = vi.SamplesPerSecond();
bytes_per_sample = vi.BytesPerAudioSample();
float_samples = false;
clip = tempclip;
}
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;
}
extern "C" HRESULT __stdcall get_stream_info(VF_FileHandle in, DWORD stream, void *out)
{
if (stream == VF_STREAM_VIDEO)
{
LPVF_StreamInfo_Video info = (LPVF_StreamInfo_Video)out;
if (info == NULL)
return VF_ERROR;
if (info->dwSize != sizeof(VF_StreamInfo_Video))
return VF_ERROR;
vfMI *i = (vfMI*)in;
if (i->type == D2V_TYPE)
{
info->dwLengthL = i->vi->num_frames;
if (i->vi->fps_denominator) info->dwRate = i->vi->fps_numerator;
else info->dwRate = 0;
info->dwScale = i->vi->fps_denominator;
info->dwWidth = i->vi->width;
info->dwHeight = i->vi->height;
}
else
{
const VideoInfo vit = (*i->clip)->GetVideoInfo();
info->dwLengthL = vit.num_frames;
if (vit.fps_denominator) info->dwRate = vit.fps_numerator;
else info->dwRate = 0;
info->dwScale = vit.fps_denominator;
info->dwWidth = vit.width;
info->dwHeight = vit.height;
}
info->dwBitCount = 24;
}
else if (stream == VF_STREAM_AUDIO)
{
LPVF_StreamInfo_Audio info = (LPVF_StreamInfo_Audio)out;
if (info == NULL)
return VF_ERROR;
if (info->dwSize != sizeof(VF_StreamInfo_Audio))
return VF_ERROR;
vfMI *i = (vfMI*)in;
if (i->type == D2V_TYPE)
return VF_ERROR;
else
{
const VideoInfo vit = (*i->clip)->GetVideoInfo();
if (!vit.HasAudio()) return VF_ERROR;
info->dwLengthL = (unsigned long)vit.num_audio_samples;
info->dwChannels = vit.nchannels;
info->dwRate = vit.audio_samples_per_second * vit.BytesPerAudioSample();
info->dwScale = vit.BytesPerAudioSample();
info->dwBitsPerSample = vit.BytesPerChannelSample()*8;
info->dwBlockAlign = vit.BytesPerAudioSample();
}
}
else return VF_ERROR;
return VF_OK;
}
