add g726 support

musicutil/transcode_levels.py

@@ -28,6 +28,11 @@ add_to_arr(transcode_levels, [
     f"speex-q{quality}" for quality in range(0, 11)
 ])
 
+g726_bitrates = ["16", "24", "32", "40"]  
+add_to_arr(transcode_levels, [
+    f"g726-{bitrate}k" for bitrate in g726_bitrates
+])
+
 # Extra Default Mappings
 preset_transcode_levels = {
     "mp3-low": "mp3-v4",

musicutil/utils/transcoder.py

@@ -12,6 +12,8 @@ class TranscodeConfig:
     container = ""
     bitrate = ""
     quality = ""
+    sample_rate = ""
+    channels = ""
 
     def load_from_dict(self, data):
         if "use_quality" in data:
@@ -28,6 +30,10 @@ class TranscodeConfig:
             self.bitrate = data["bitrate"]
         if "quality" in data:
             self.quality = data["quality"]
+        if "sample_rate" in data:
+            self.sample_rate = data["sample_rate"]
+        if "channels" in data:
+            self.channels = data["channels"]
         return self
 
 def get_transcode_config(file: File, level: str):
@@ -35,6 +41,17 @@ def get_transcode_config(file: File, level: str):
     if level in preset_transcode_levels.keys():
         level = preset_transcode_levels["level"]
 
+    if level.startswith("g726-") and level.endswith("k"):
+        conf.container = "matroska"
+        conf.file_extension = "mkv"
+        conf.encoder = "g726"
+        conf.sample_rate = "8000"
+        conf.channels = "1"
+        conf.use_bitrate = True
+        # includes the k at end
+        conf.bitrate = level.replace("g726-", "")
+        return conf
+
     if level.startswith("opus-") and level.endswith("k"):
         conf.container = "ogg"
         conf.file_extension = "opus"
@@ -97,6 +114,15 @@ def transcode(file: File, config: TranscodeConfig, dest: str):
         ffmpeg_command.append("-f")
         ffmpeg_command.append(config.container)
 
+    if len(config.sample_rate) != 0:
+        ffmpeg_command.append("-ar")
+        ffmpeg_command.append(config.sample_rate)
+
+    if len(config.channels) != 0:
+        ffmpeg_command.append("-ac")
+        ffmpeg_command.append(config.channels)
+
+
     if config.use_quality:
         ffmpeg_command.append("-q:a")
         ffmpeg_command.append(config.quality)
@@ -113,6 +139,6 @@ def transcode(file: File, config: TranscodeConfig, dest: str):
     ffmpeg_command.append(f"artist=\"{artist}\"")
 
     ffmpeg_command.append(dest)
-
+    print(ffmpeg_command)
     # TODO: check for errors
     run_command(ffmpeg_command)

tconf.json

@@ -0,0 +1 @@
+{"file_extension": "flac", "encoder": "flac"}