Feat/available encoders (#860)

* Introduce available audio encoders and video encoders

* Introduce available audio encoders and video encoders

* Introduce available audio encoders and video encoders

* Introduce available audio encoders and video encoders

* Add flac to audio encoders

facefusion/ffmpeg.py

@@ -5,10 +5,11 @@ from typing import List, Optional
 
 from tqdm import tqdm
 
+import facefusion.choices
 from facefusion import ffmpeg_builder, logger, process_manager, state_manager, wording
 from facefusion.filesystem import get_file_format, remove_file
 from facefusion.temp_helper import get_temp_file_path, get_temp_frames_pattern, resolve_temp_frame_paths
-from facefusion.typing import AudioBuffer, Commands, Fps, UpdateProgress
+from facefusion.typing import AudioBuffer, Commands, EncoderSet, Fps, UpdateProgress
 from facefusion.vision import count_trim_frame_total, detect_video_duration, restrict_video_fps
 
 
@@ -72,6 +73,32 @@ def log_debug(process : subprocess.Popen[bytes]) -> None:
 			logger.debug(error.strip(), __name__)
 
 
+def get_available_encoder_set() -> EncoderSet:
+	available_encoder_set : EncoderSet =\
+	{
+		'audio': [],
+		'video': []
+	}
+	commands = ffmpeg_builder.chain(
+		ffmpeg_builder.get_encoders()
+	)
+	process = run_ffmpeg(commands)
+
+	while line := process.stdout.readline().decode().lower():
+		if line.startswith(' a'):
+			audio_encoder = line.split()[1]
+
+			if audio_encoder in facefusion.choices.output_audio_encoders:
+				available_encoder_set['audio'].append(audio_encoder) #type:ignore[arg-type]
+		if line.startswith(' v'):
+			video_encoder = line.split()[1]
+
+			if video_encoder in facefusion.choices.output_video_encoders:
+				available_encoder_set['video'].append(video_encoder) #type:ignore[arg-type]
+
+	return available_encoder_set
+
+
 def extract_frames(target_path : str, temp_video_resolution : str, temp_video_fps : Fps, trim_frame_start : int, trim_frame_end : int) -> bool:
 	extract_frame_total = count_trim_frame_total(target_path, trim_frame_start, trim_frame_end)
 	temp_frames_pattern = get_temp_frames_pattern(target_path, '%08d')