diff --git a/Plugins/CoreAudio/CoreAudioDecoder.h b/Plugins/CoreAudio/CoreAudioDecoder.h
index a13d47e43..93ba337f4 100644
--- a/Plugins/CoreAudio/CoreAudioDecoder.h
+++ b/Plugins/CoreAudio/CoreAudioDecoder.h
@@ -37,6 +37,7 @@
     
     BOOL _audioFile_opened;
     BOOL _in_opened;
+    BOOL _audioFile_is_lossy;
     
 	int bitrate;
 	int bitsPerSample;
diff --git a/Plugins/CoreAudio/CoreAudioDecoder.m b/Plugins/CoreAudio/CoreAudioDecoder.m
index ea83d2c1c..d48031e8e 100644
--- a/Plugins/CoreAudio/CoreAudioDecoder.m
+++ b/Plugins/CoreAudio/CoreAudioDecoder.m
@@ -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];
 }
 
diff --git a/Plugins/FFMPEG/FFMPEGDecoder.h b/Plugins/FFMPEG/FFMPEGDecoder.h
index b80a54a25..d2ce701a6 100644
--- a/Plugins/FFMPEG/FFMPEGDecoder.h
+++ b/Plugins/FFMPEG/FFMPEGDecoder.h
@@ -19,6 +19,7 @@
     int channels;
     int bitsPerSample;
     BOOL floatingPoint;
+    BOOL lossy;
     float frequency;
     long totalFrames;
     long framesRead;
diff --git a/Plugins/FFMPEG/FFMPEGDecoder.m b/Plugins/FFMPEG/FFMPEGDecoder.m
index 7e28104c7..bb22595c7 100644
--- a/Plugins/FFMPEG/FFMPEGDecoder.m
+++ b/Plugins/FFMPEG/FFMPEGDecoder.m
@@ -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];
 }