EAC3 Compatibility

conversion_tracker.csv

@@ -448,3 +448,59 @@ tv,Supernatural,Supernatural - S06E22 - The Man Who Knew Too Much x265 AC3 Blura
 tv,Supernatural,Supernatural - S05E01 - Sympathy for the Devil x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1286.7,512.54,39.8,1920x1080,1920x1080,1,34,CQ
 tv,Supernatural,"Supernatural - S05E02 - Good God, Y'All! x265 AC3 Bluray-1080p HiQVE - [EHX].mkv",1290.8,640.05,49.6,1920x1080,1920x1080,1,34,CQ
 tv,Supernatural,Supernatural - S05E05 - Fallen Idols x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1224.68,489.8,40.0,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E06 - I Believe the Children Are Our Future x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1147.5,417.19,36.4,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E07 - The Curious Case of Dean Winchester x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1092.35,397.79,36.4,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E08 - Changing Channels x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1220.88,621.4,50.9,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E09 - The Real Ghostbusters x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1172.84,520.0,44.3,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E10 - Abandon All Hope x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1093.89,444.87,40.7,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,"Supernatural - S05E11 - Sam, Interrupted x265 AC3 Bluray-1080p HiQVE - [EHX].mkv",1155.62,467.1,40.4,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E12 - Swap Meat x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1222.52,506.77,41.5,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E13 - The Song Remains the Same x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1116.16,417.32,37.4,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E14 - My Bloody Valentine x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1209.17,474.82,39.3,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E15 - Dead Men Don't Wear Plaid x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1170.22,485.67,41.5,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E16 - Dark Side of the Moon x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1148.56,450.47,39.2,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E17 - 99 Problems x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1147.16,458.51,40.0,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E18 - Point of No Return x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1138.18,450.57,39.6,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E19 - Hammer of the Gods x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1126.81,451.45,40.1,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E20 - The Devil You Know x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1100.01,387.27,35.2,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E21 - Two Minutes To Midnight x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1059.37,405.11,38.2,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S05E22 - Swan Song x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1164.41,506.82,43.5,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E01 - We Need To Talk About Kevin x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1216.44,508.67,41.8,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,"Supernatural - S08E02 - What's Up, Tiger Mommy x265 AC3 Bluray-1080p HiQVE - [EHX].mkv",1163.27,516.16,44.4,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E03 - Heartache x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1156.34,439.41,38.0,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E04 - Bitten x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1272.57,691.04,54.3,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E05 - Blood Brother x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1110.07,476.2,42.9,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E06 - Southern Comfort x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1232.93,544.38,44.2,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E07 - A Little Slice of Kevin x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1142.88,529.87,46.4,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E08 - Hunteri Heroici x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1245.13,559.72,45.0,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E09 - Citizen Fang x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1160.86,453.76,39.1,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E10 - Torn and Frayed x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1192.44,458.52,38.5,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E11 - LARP and the Real Girl x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1193.99,551.28,46.2,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E12 - As Time Goes By x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1201.86,495.68,41.2,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E13 - Everybody Hates Hitler x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1180.93,466.07,39.5,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E14 - Trial and Error x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1199.3,474.89,39.6,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E15 - Man's Best Friend with Benefits x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1168.65,440.69,37.7,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E16 - Remember the Titans x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1068.49,409.04,38.3,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,"Supernatural - S08E17 - Goodbye, Stranger x265 AC3 Bluray-1080p HiQVE - [EHX].mkv",1068.26,423.48,39.6,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E18 - Freaks and Geeks x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1083.2,456.58,42.2,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E19 - Taxi Driver x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1119.6,522.02,46.6,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E20 - Pac-Man Fever x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1150.82,446.7,38.8,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E21 - The Great Escapist x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1182.49,470.16,39.8,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E22 - Clip Show x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1128.71,529.95,47.0,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S08E23 - Sacrifice x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1123.91,486.99,43.3,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E01 - Stranger in a Strange Land x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1077.42,392.43,36.4,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E02 - Gods and Monsters x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1056.56,340.4,32.2,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E03 - The Scar x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1139.18,418.79,36.8,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E04 - Mint Condition x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1237.48,519.9,42.0,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E05 - Nightmare Logic x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1186.46,443.25,37.4,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E06 - Optimism x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1161.41,436.32,37.6,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E07 - Unhuman Nature x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1144.54,432.86,37.8,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E08 - Byzantium x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1201.5,399.35,33.2,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E09 - The Spear x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1114.74,405.12,36.3,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E10 - Nihilism x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1096.07,372.62,34.0,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E11 - Damaged Goods x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1144.87,422.42,36.9,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E12 - Prophet and Loss x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,998.45,330.98,33.1,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E13 - Lebanon x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1169.02,408.11,34.9,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E14 - Ouroboros x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1085.86,376.39,34.7,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E15 - Peace of Mind x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,1209.11,476.01,39.4,1920x1080,1920x1080,1,34,CQ
+tv,Supernatural,Supernatural - S14E16 - Don't Go in the Woods x265 AC3 Bluray-1080p HiQVE - [EHX].mkv,998.67,353.21,35.4,1920x1080,1920x1080,1,34,CQ

core/audio_handler.py

@@ -161,28 +161,27 @@ def choose_audio_bitrate(channels: int, bitrate_kbps: int, audio_config: dict, i
     Choose audio codec and bitrate based on channel count, detected bitrate, and resolution.
     
     Returns tuple: (codec, target_bitrate_bps)
-    - codec: "aac", "libopus", or "copy" (to preserve original without re-encoding)
+    - codec: "aac" (stereo), "eac3" (5.1), or "copy" (preserve original)
     - target_bitrate_bps: target bitrate in bits/sec (0 if using "copy")
     
     Rules:
       Stereo + 1080p: 
-        - Above 192k → high (192k) with AAC
+        - Above 192k → encode to 192k with AAC
         - At/below 192k → preserve (copy)
       
       Stereo + 720p:
-        - Above 160k → medium (160k) with AAC
+        - Above 160k → encode to 160k with AAC
         - At/below 160k → preserve (copy)
       
-      Multi-channel:
+      Multi-channel (5.1+):
-        - Below minimum threshold (low setting) → preserve original (copy)
+        - Below minimum threshold → preserve original (copy)
-        - Low to medium → use low bitrate
+        - Low to medium → use EAC3 codec
-        - Medium and above → use medium bitrate
     """
     # Normalize to 2ch or 6ch output
     output_channels = 6 if channels >= 6 else 2
     
     if output_channels == 2:
-        # Stereo logic
+        # Stereo logic - use AAC
         if is_1080_class:
             # 1080p+ stereo
             high_br = audio_config["stereo"]["high"]
@@ -203,7 +202,7 @@ def choose_audio_bitrate(channels: int, bitrate_kbps: int, audio_config: dict, i
                 return ("copy", 0)
     
     else:
-        # Multi-channel (6ch+) logic
+        # Multi-channel (6ch+) logic - use EAC3
         low_br = audio_config["multi_channel"]["low"]
         medium_br = audio_config["multi_channel"]["medium"]
         
@@ -212,8 +211,8 @@ def choose_audio_bitrate(channels: int, bitrate_kbps: int, audio_config: dict, i
             logger.info(f"Multi-channel audio {bitrate_kbps}kbps < {low_br/1000:.0f}k minimum - copying original to avoid artifical inflation")
             return ("copy", 0)
         elif bitrate_kbps < (medium_br / 1000):
-            # Below medium, use low
+            # Below medium, use low with EAC3
-            return ("aac", low_br)
+            return ("eac3", low_br)
         else:
-            # Medium and above, use medium
+            # Medium and above, use medium with EAC3
-            return ("aac", medium_br)
+            return ("eac3", medium_br)

core/encode_engine.py

@@ -102,11 +102,22 @@ def run_ffmpeg(input_file: Path, output_file: Path, cq: int, scale_width: int, s
                 cmd += [f"-metadata:s:a:{i}", f"language={audio_language}"]
         else:
             # Re-encode with target bitrate
+            # EAC3 for multichannel, AAC for stereo
+            if codec == "eac3":
+                # Enhanced AC-3 (5.1 surround)
                 cmd += [
-                f"-c:a:{i}", codec,
+                    f"-c:a:{i}", "eac3",
                     f"-b:a:{i}", str(br),
                     f"-ac:{i}", str(output_channels),
-                f"-channel_layout:a:{i}", "5.1" if output_channels == 6 else "stereo"
+                    f"-channel_layout:a:{i}", "5.1"
+                ]
+            else:
+                # AAC (stereo)
+                cmd += [
+                    f"-c:a:{i}", "aac",
+                    f"-b:a:{i}", str(br),
+                    f"-ac:{i}", str(output_channels),
+                    f"-channel_layout:a:{i}", "stereo"
                 ]
             # Only add language metadata if explicitly provided
             if audio_language: