From 958804ad4e019ce59c6b5d72918dff846839220c Mon Sep 17 00:00:00 2001
From: pukkandan <pukkandan@gmail.com>
Date: Sun, 15 Nov 2020 01:38:54 +0530
Subject: [PATCH] Ensure all streams are copied when using ffmpeg

---
 youtube_dlc/postprocessor/embedthumbnail.py |  5 +++--
 youtube_dlc/postprocessor/ffmpeg.py         | 11 +++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/youtube_dlc/postprocessor/embedthumbnail.py b/youtube_dlc/postprocessor/embedthumbnail.py
index 4a0d02fc4..7ca0ce6e5 100644
--- a/youtube_dlc/postprocessor/embedthumbnail.py
+++ b/youtube_dlc/postprocessor/embedthumbnail.py
@@ -94,7 +94,8 @@ def is_webp(path):
             thumbnail_filename = 'cover.jpg'
 
             options = [
-                '-c', 'copy', '-attach', thumbnail_filename, '-metadata:s:t', 'mimetype=image/jpeg']
+                '-c', 'copy', '-map', '0',
+                '-attach', thumbnail_filename, '-metadata:s:t', 'mimetype=image/jpeg']
 
             self._downloader.to_screen('[ffmpeg] Adding thumbnail to "%s"' % filename)
 
@@ -140,6 +141,6 @@ def is_webp(path):
                 os.remove(encodeFilename(filename))
                 os.rename(encodeFilename(temp_filename), encodeFilename(filename))
         else:
-            raise EmbedThumbnailPPError('Only mp3 and m4a/mp4 are supported for thumbnail embedding for now.')
+            raise EmbedThumbnailPPError('Only mp3, mkv, m4a and mp4 are supported for thumbnail embedding for now.')
 
         return [], info
diff --git a/youtube_dlc/postprocessor/ffmpeg.py b/youtube_dlc/postprocessor/ffmpeg.py
index c38db3143..c7071d73d 100644
--- a/youtube_dlc/postprocessor/ffmpeg.py
+++ b/youtube_dlc/postprocessor/ffmpeg.py
@@ -359,7 +359,7 @@ def run(self, information):
         if information['ext'] == self._preferedformat:
             self._downloader.to_screen('[ffmpeg] Not remuxing video file %s - already is in target format %s' % (path, self._preferedformat))
             return [], information
-        options = ['-c', 'copy']
+        options = ['-c', 'copy', '-map', '0']
         prefix, sep, ext = path.rpartition('.')
         outpath = prefix + sep + self._preferedformat
         self._downloader.to_screen('[' + 'ffmpeg' + '] Remuxing video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath)
@@ -428,8 +428,7 @@ def run(self, information):
         input_files = [filename] + sub_filenames
 
         opts = [
-            '-map', '0',
-            '-c', 'copy',
+            '-c', 'copy', '-map', '0',
             # Don't copy the existing subtitles, we may be running the
             # postprocessor a second time
             '-map', '-0:s',
@@ -579,7 +578,7 @@ def run(self, info):
         filename = info['filepath']
         temp_filename = prepend_extension(filename, 'temp')
 
-        options = ['-c', 'copy', '-aspect', '%f' % stretched_ratio]
+        options = ['-c', 'copy', '-map', '0', '-aspect', '%f' % stretched_ratio]
         self._downloader.to_screen('[ffmpeg] Fixing aspect ratio in "%s"' % filename)
         self.run_ffmpeg(filename, temp_filename, options)
 
@@ -597,7 +596,7 @@ def run(self, info):
         filename = info['filepath']
         temp_filename = prepend_extension(filename, 'temp')
 
-        options = ['-c', 'copy', '-f', 'mp4']
+        options = ['-c', 'copy', '-map', '0', '-f', 'mp4']
         self._downloader.to_screen('[ffmpeg] Correcting container in "%s"' % filename)
         self.run_ffmpeg(filename, temp_filename, options)
 
@@ -613,7 +612,7 @@ def run(self, info):
         if self.get_audio_codec(filename) == 'aac':
             temp_filename = prepend_extension(filename, 'temp')
 
-            options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
+            options = ['-c', 'copy', '-map', '0', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
             self._downloader.to_screen('[ffmpeg] Fixing malformed AAC bitstream in "%s"' % filename)
             self.run_ffmpeg(filename, temp_filename, options)