audio (#17)

- feat: add audio (087f80075db06394e0294c6b071b3cfb52b73b66)

src/live_portrait_pipeline.py

@@ -10,6 +10,7 @@ torch.backends.cudnn.benchmark = True # disable CUDNN_BACKEND_EXECUTION_PLAN_DES
 import cv2
 import numpy as np
 import pickle
+import os
 import os.path as osp
 from rich.progress import track
 
@@ -18,7 +19,7 @@ from .config.inference_config import InferenceConfig
 from .config.crop_config import CropConfig
 from .utils.cropper import Cropper
 from .utils.camera import get_rotation_matrix
-from .utils.video import images2video, concat_frames, get_fps
+from .utils.video import images2video, concat_frames, get_fps, add_audio_to_video, has_audio_stream
 from .utils.crop import _transform_img, prepare_paste_back, paste_back
 from .utils.retargeting_utils import calc_lip_close_ratio
 from .utils.io import load_image_rgb, load_driving_info, resize_to_limit
@@ -177,11 +178,19 @@ class LivePortraitPipeline(object):
 
         mkdir(args.output_dir)
         wfp_concat = None
+        flag_has_audio = has_audio_stream(args.driving_info)
+
         if is_video(args.driving_info):
             frames_concatenated = concat_frames(I_p_lst, driving_rgb_lst, img_crop_256x256)
             # save (driving frames, source image, drived frames) result
             wfp_concat = osp.join(args.output_dir, f'{basename(args.source_image)}--{basename(args.driving_info)}_concat.mp4')
             images2video(frames_concatenated, wfp=wfp_concat, fps=output_fps)
+            if flag_has_audio:
+                # final result with concat
+                wfp_concat_with_audio = osp.join(args.output_dir, f'{basename(args.source_image)}--{basename(args.driving_info)}_concat_with_audio.mp4')
+                add_audio_to_video(wfp_concat, args.driving_info, wfp_concat_with_audio)
+                os.replace(wfp_concat_with_audio, wfp_concat)
+                log(f"Replace {wfp_concat} with {wfp_concat_with_audio}")
 
         # save drived result
         wfp = osp.join(args.output_dir, f'{basename(args.source_image)}--{basename(args.driving_info)}.mp4')
@@ -190,4 +199,11 @@ class LivePortraitPipeline(object):
         else:
             images2video(I_p_lst, wfp=wfp, fps=output_fps)
 
+        ######### build final result #########
+        if flag_has_audio:
+            wfp_with_audio = osp.join(args.output_dir, f'{basename(args.source_image)}--{basename(args.driving_info)}_with_audio.mp4')
+            add_audio_to_video(wfp, args.driving_info, wfp_with_audio)
+            os.replace(wfp_with_audio, wfp)
+            log(f"Replace {wfp} with {wfp_with_audio}")
+
         return wfp, wfp_concat

src/utils/video.py

@@ -17,7 +17,7 @@ from .rprint import rprint as print
 
 
 def exec_cmd(cmd):
-    subprocess.run(cmd, shell=True, check=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+    return subprocess.run(cmd, shell=True, check=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
 
 
 def images2video(images, wfp, **kwargs):
@@ -143,3 +143,61 @@ def get_fps(filepath, default_fps=25):
         fps = default_fps
 
     return fps
+
+
+def has_audio_stream(video_path: str) -> bool:
+    """
+    Check if the video file contains an audio stream.
+
+    :param video_path: Path to the video file
+    :return: True if the video contains an audio stream, False otherwise
+    """
+    if osp.isdir(video_path):
+        return False
+
+    cmd = [
+        'ffprobe',
+        '-v', 'error',
+        '-select_streams', 'a',
+        '-show_entries', 'stream=codec_type',
+        '-of', 'default=noprint_wrappers=1:nokey=1',
+        f'"{video_path}"'
+    ]
+
+    try:
+        # result = subprocess.run(cmd, capture_output=True, text=True)
+        result = exec_cmd(' '.join(cmd))
+        if result.returncode != 0:
+            log(f"Error occurred while probing video: {result.stderr}")
+            return False
+
+        # Check if there is any output from ffprobe command
+        return bool(result.stdout.strip())
+    except Exception as e:
+        log(
+            f"Error occurred while probing video: {video_path}, "
+            "you may need to install ffprobe! (https://ffmpeg.org/download.html) "
+            "Now set audio to false!",
+            style="bold red"
+        )
+    return False
+
+
+def add_audio_to_video(silent_video_path: str, audio_video_path: str, output_video_path: str):
+    cmd = [
+        'ffmpeg',
+        '-y',
+        '-i', f'"{silent_video_path}"',
+        '-i', f'"{audio_video_path}"',
+        '-map', '0:v',
+        '-map', '1:a',
+        '-c:v', 'copy',
+        '-shortest',
+        f'"{output_video_path}"'
+    ]
+
+    try:
+        exec_cmd(' '.join(cmd))
+        log(f"Video with audio generated successfully: {output_video_path}")
+    except subprocess.CalledProcessError as e:
+        log(f"Error occurred: {e}")