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Core Audio / FFmpeg inputs: Change to correctly discern most lossy/lossless codecs

CQTexperiment
Christopher Snowhill 2022-01-21 23:09:35 -08:00
parent 9d1fd08574
commit 058614b6a0
4 changed files with 103 additions and 2 deletions
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1
Plugins/CoreAudio/CoreAudioDecoder.h
View File

@ -37,6 +37,7 @@
BOOL _audioFile_opened;
BOOL _in_opened;
BOOL _audioFile_is_lossy;
int bitrate;
int bitsPerSample;

7
Plugins/CoreAudio/CoreAudioDecoder.m
View File

@ -212,6 +212,11 @@ static SInt64 getSizeProc(void* clientData) {
bitsPerSample = 32;
floatingPoint = YES;
}
_audioFile_is_lossy = NO;
if (floatingPoint || [[codec lowercaseString] containsString:@"adpcm"] || [[codec lowercaseString] containsString:@"gsm"])
_audioFile_is_lossy = YES;
// Set output format
AudioStreamBasicDescription result;
@ -349,7 +354,7 @@ static SInt64 getSizeProc(void* clientData) {
[NSNumber numberWithBool:YES], @"seekable",
codec, @"codec",
floatingPoint ? @"host" : @"big", @"endian",
floatingPoint ? @"lossy" : @"lossless", @"encoding",
_audioFile_is_lossy ? @"lossy" : @"lossless", @"encoding",
nil];
}

1
Plugins/FFMPEG/FFMPEGDecoder.h
View File

@ -19,6 +19,7 @@
int channels;
int bitsPerSample;
BOOL floatingPoint;
BOOL lossy;
float frequency;
long totalFrames;
long framesRead;

96
Plugins/FFMPEG/FFMPEGDecoder.m
View File

@ -333,6 +333,100 @@ int lockmgr_callback(void ** mutex, enum AVLockOp op)
return NO;
}
lossy = NO;
if (floatingPoint)
lossy = YES;
if (!floatingPoint) {
switch (codec_id) {
case AV_CODEC_ID_MP2:
case AV_CODEC_ID_MP3:
case AV_CODEC_ID_AAC:
case AV_CODEC_ID_AC3:
// case AV_CODEC_ID_DTS: // lossy will return float, caught above, lossless will be integer
case AV_CODEC_ID_VORBIS:
case AV_CODEC_ID_DVAUDIO:
case AV_CODEC_ID_WMAV1:
case AV_CODEC_ID_WMAV2:
case AV_CODEC_ID_MACE3:
case AV_CODEC_ID_MACE6:
case AV_CODEC_ID_VMDAUDIO:
case AV_CODEC_ID_MP3ADU:
case AV_CODEC_ID_MP3ON4:
case AV_CODEC_ID_WESTWOOD_SND1:
case AV_CODEC_ID_GSM:
case AV_CODEC_ID_QDM2:
case AV_CODEC_ID_COOK:
case AV_CODEC_ID_TRUESPEECH:
case AV_CODEC_ID_SMACKAUDIO:
case AV_CODEC_ID_QCELP:
case AV_CODEC_ID_DSICINAUDIO:
case AV_CODEC_ID_IMC:
case AV_CODEC_ID_MUSEPACK7:
case AV_CODEC_ID_MLP:
case AV_CODEC_ID_GSM_MS:
case AV_CODEC_ID_ATRAC3:
case AV_CODEC_ID_NELLYMOSER:
case AV_CODEC_ID_MUSEPACK8:
case AV_CODEC_ID_SPEEX:
case AV_CODEC_ID_WMAVOICE:
case AV_CODEC_ID_WMAPRO:
case AV_CODEC_ID_ATRAC3P:
case AV_CODEC_ID_EAC3:
case AV_CODEC_ID_SIPR:
case AV_CODEC_ID_MP1:
case AV_CODEC_ID_TWINVQ:
case AV_CODEC_ID_MP4ALS:
case AV_CODEC_ID_ATRAC1:
case AV_CODEC_ID_BINKAUDIO_RDFT:
case AV_CODEC_ID_BINKAUDIO_DCT:
case AV_CODEC_ID_AAC_LATM:
case AV_CODEC_ID_QDMC:
case AV_CODEC_ID_CELT:
case AV_CODEC_ID_G723_1:
case AV_CODEC_ID_G729:
case AV_CODEC_ID_8SVX_EXP:
case AV_CODEC_ID_8SVX_FIB:
case AV_CODEC_ID_BMV_AUDIO:
case AV_CODEC_ID_RALF:
case AV_CODEC_ID_IAC:
case AV_CODEC_ID_ILBC:
case AV_CODEC_ID_OPUS:
case AV_CODEC_ID_COMFORT_NOISE:
case AV_CODEC_ID_METASOUND:
case AV_CODEC_ID_PAF_AUDIO:
case AV_CODEC_ID_ON2AVC:
case AV_CODEC_ID_DSS_SP:
case AV_CODEC_ID_CODEC2:
case AV_CODEC_ID_FFWAVESYNTH:
case AV_CODEC_ID_SONIC:
case AV_CODEC_ID_SONIC_LS:
case AV_CODEC_ID_EVRC:
case AV_CODEC_ID_SMV:
case AV_CODEC_ID_4GV:
case AV_CODEC_ID_INTERPLAY_ACM:
case AV_CODEC_ID_XMA1:
case AV_CODEC_ID_XMA2:
case AV_CODEC_ID_ATRAC3AL:
case AV_CODEC_ID_ATRAC3PAL:
case AV_CODEC_ID_DOLBY_E:
case AV_CODEC_ID_APTX:
case AV_CODEC_ID_SBC:
case AV_CODEC_ID_ATRAC9:
case AV_CODEC_ID_HCOM:
case AV_CODEC_ID_ACELP_KELVIN:
case AV_CODEC_ID_MPEGH_3D_AUDIO:
case AV_CODEC_ID_SIREN:
case AV_CODEC_ID_HCA:
case AV_CODEC_ID_FASTAUDIO:
lossy = YES;
break;
default:
break;
}
}
//totalFrames = codecCtx->sample_rate * ((float)formatCtx->duration/AV_TIME_BASE);
AVRational tb = {.num = 1, .den = codecCtx->sample_rate};
totalFrames = av_rescale_q(stream->duration, stream->time_base, tb);
@ -580,7 +674,7 @@ int lockmgr_callback(void ** mutex, enum AVLockOp op)
[NSNumber numberWithBool:seekable], @"seekable",
[NSString stringWithUTF8String:avcodec_get_name(codecCtx->codec_id)], @"codec",
@"host", @"endian",
floatingPoint ? @"lossy" : @"lossless", @"encoding",
lossy ? @"lossy" : @"lossless", @"encoding",
nil];
}