]> Raphaƫl G. Git Repositories - youtubedl/blobdiff - youtube_dl/postprocessor/ffmpeg.py
New upstream version 2020.06.16
[youtubedl] / youtube_dl / postprocessor / ffmpeg.py
index 7c162d92abb43f9cf522eeeb52bb9675a06a24f7..5f7298345b3f550c9a8d8b7ba2b602d2f084ed36 100644 (file)
@@ -4,13 +4,11 @@ import io
 import os
 import subprocess
 import time
 import os
 import subprocess
 import time
+import re
 
 
 from .common import AudioConversionError, PostProcessor
 
 
 
 from .common import AudioConversionError, PostProcessor
 
-from ..compat import (
-    compat_subprocess_get_DEVNULL,
-)
 from ..utils import (
     encodeArgument,
     encodeFilename,
 from ..utils import (
     encodeArgument,
     encodeFilename,
@@ -22,6 +20,7 @@ from ..utils import (
     subtitles_filename,
     dfxp2srt,
     ISO639Utils,
     subtitles_filename,
     dfxp2srt,
     ISO639Utils,
+    replace_extension,
 )
 
 
 )
 
 
@@ -42,7 +41,7 @@ ACODECS = {
     'aac': 'aac',
     'flac': 'flac',
     'm4a': 'aac',
     'aac': 'aac',
     'flac': 'flac',
     'm4a': 'aac',
-    'opus': 'opus',
+    'opus': 'libopus',
     'vorbis': 'libvorbis',
     'wav': None,
 }
     'vorbis': 'libvorbis',
     'wav': None,
 }
@@ -75,7 +74,21 @@ class FFmpegPostProcessor(PostProcessor):
 
     def _determine_executables(self):
         programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
 
     def _determine_executables(self):
         programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
-        prefer_ffmpeg = False
+        prefer_ffmpeg = True
+
+        def get_ffmpeg_version(path):
+            ver = get_exe_version(path, args=['-version'])
+            if ver:
+                regexs = [
+                    r'(?:\d+:)?([0-9.]+)-[0-9]+ubuntu[0-9.]+$',  # Ubuntu, see [1]
+                    r'n([0-9.]+)$',  # Arch Linux
+                    # 1. http://www.ducea.com/2006/06/17/ubuntu-package-version-naming-explanation/
+                ]
+                for regex in regexs:
+                    mobj = re.match(regex, ver)
+                    if mobj:
+                        ver = mobj.group(1)
+            return ver
 
         self.basename = None
         self.probe_basename = None
 
         self.basename = None
         self.probe_basename = None
@@ -83,7 +96,7 @@ class FFmpegPostProcessor(PostProcessor):
         self._paths = None
         self._versions = None
         if self._downloader:
         self._paths = None
         self._versions = None
         if self._downloader:
-            prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', False)
+            prefer_ffmpeg = self._downloader.params.get('prefer_ffmpeg', True)
             location = self._downloader.params.get('ffmpeg_location')
             if location is not None:
                 if not os.path.exists(location):
             location = self._downloader.params.get('ffmpeg_location')
             if location is not None:
                 if not os.path.exists(location):
@@ -108,26 +121,25 @@ class FFmpegPostProcessor(PostProcessor):
                 self._paths = dict(
                     (p, os.path.join(location, p)) for p in programs)
                 self._versions = dict(
                 self._paths = dict(
                     (p, os.path.join(location, p)) for p in programs)
                 self._versions = dict(
-                    (p, get_exe_version(self._paths[p], args=['-version']))
-                    for p in programs)
+                    (p, get_ffmpeg_version(self._paths[p])) for p in programs)
         if self._versions is None:
             self._versions = dict(
         if self._versions is None:
             self._versions = dict(
-                (p, get_exe_version(p, args=['-version'])) for p in programs)
+                (p, get_ffmpeg_version(p)) for p in programs)
             self._paths = dict((p, p) for p in programs)
 
             self._paths = dict((p, p) for p in programs)
 
-        if prefer_ffmpeg:
-            prefs = ('ffmpeg', 'avconv')
-        else:
+        if prefer_ffmpeg is False:
             prefs = ('avconv', 'ffmpeg')
             prefs = ('avconv', 'ffmpeg')
+        else:
+            prefs = ('ffmpeg', 'avconv')
         for p in prefs:
             if self._versions[p]:
                 self.basename = p
                 break
 
         for p in prefs:
             if self._versions[p]:
                 self.basename = p
                 break
 
-        if prefer_ffmpeg:
-            prefs = ('ffprobe', 'avprobe')
-        else:
+        if prefer_ffmpeg is False:
             prefs = ('avprobe', 'ffprobe')
             prefs = ('avprobe', 'ffprobe')
+        else:
+            prefs = ('ffprobe', 'avprobe')
         for p in prefs:
             if self._versions[p]:
                 self.probe_basename = p
         for p in prefs:
             if self._versions[p]:
                 self.probe_basename = p
@@ -150,27 +162,45 @@ class FFmpegPostProcessor(PostProcessor):
         return self._paths[self.probe_basename]
 
     def get_audio_codec(self, path):
         return self._paths[self.probe_basename]
 
     def get_audio_codec(self, path):
-        if not self.probe_available:
-            raise PostProcessingError('ffprobe or avprobe not found. Please install one.')
+        if not self.probe_available and not self.available:
+            raise PostProcessingError('ffprobe/avprobe and ffmpeg/avconv not found. Please install one.')
         try:
         try:
-            cmd = [
-                encodeFilename(self.probe_executable, True),
-                encodeArgument('-show_streams'),
-                encodeFilename(self._ffmpeg_filename_argument(path), True)]
+            if self.probe_available:
+                cmd = [
+                    encodeFilename(self.probe_executable, True),
+                    encodeArgument('-show_streams')]
+            else:
+                cmd = [
+                    encodeFilename(self.executable, True),
+                    encodeArgument('-i')]
+            cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True))
             if self._downloader.params.get('verbose', False):
             if self._downloader.params.get('verbose', False):
-                self._downloader.to_screen('[debug] %s command line: %s' % (self.basename, shell_quote(cmd)))
-            handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE, stdin=subprocess.PIPE)
-            output = handle.communicate()[0]
-            if handle.wait() != 0:
+                self._downloader.to_screen(
+                    '[debug] %s command line: %s' % (self.basename, shell_quote(cmd)))
+            handle = subprocess.Popen(
+                cmd, stderr=subprocess.PIPE,
+                stdout=subprocess.PIPE, stdin=subprocess.PIPE)
+            stdout_data, stderr_data = handle.communicate()
+            expected_ret = 0 if self.probe_available else 1
+            if handle.wait() != expected_ret:
                 return None
         except (IOError, OSError):
             return None
                 return None
         except (IOError, OSError):
             return None
-        audio_codec = None
-        for line in output.decode('ascii', 'ignore').split('\n'):
-            if line.startswith('codec_name='):
-                audio_codec = line.split('=')[1].strip()
-            elif line.strip() == 'codec_type=audio' and audio_codec is not None:
-                return audio_codec
+        output = (stdout_data if self.probe_available else stderr_data).decode('ascii', 'ignore')
+        if self.probe_available:
+            audio_codec = None
+            for line in output.split('\n'):
+                if line.startswith('codec_name='):
+                    audio_codec = line.split('=')[1].strip()
+                elif line.strip() == 'codec_type=audio' and audio_codec is not None:
+                    return audio_codec
+        else:
+            # Stream #FILE_INDEX:STREAM_INDEX[STREAM_ID](LANGUAGE): CODEC_TYPE: CODEC_NAME
+            mobj = re.search(
+                r'Stream\s*#\d+:\d+(?:\[0x[0-9a-f]+\])?(?:\([a-z]{3}\))?:\s*Audio:\s*([0-9a-z]+)',
+                output)
+            if mobj:
+                return mobj.group(1)
         return None
 
     def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
         return None
 
     def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
@@ -187,10 +217,13 @@ class FFmpegPostProcessor(PostProcessor):
                 encodeArgument('-i'),
                 encodeFilename(self._ffmpeg_filename_argument(path), True)
             ])
                 encodeArgument('-i'),
                 encodeFilename(self._ffmpeg_filename_argument(path), True)
             ])
-        cmd = ([encodeFilename(self.executable, True), encodeArgument('-y')] +
-               files_cmd +
-               [encodeArgument(o) for o in opts] +
-               [encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
+        cmd = [encodeFilename(self.executable, True), encodeArgument('-y')]
+        # avconv does not have repeat option
+        if self.basename == 'ffmpeg':
+            cmd += [encodeArgument('-loglevel'), encodeArgument('repeat+info')]
+        cmd += (files_cmd
+                + [encodeArgument(o) for o in opts]
+                + [encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
 
         if self._downloader.params.get('verbose', False):
             self._downloader.to_screen('[debug] ffmpeg command line: %s' % shell_quote(cmd))
 
         if self._downloader.params.get('verbose', False):
             self._downloader.to_screen('[debug] ffmpeg command line: %s' % shell_quote(cmd))
@@ -293,8 +326,8 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
         information['ext'] = extension
 
         # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly.
         information['ext'] = extension
 
         # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly.
-        if (new_path == path or
-                (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)))):
+        if (new_path == path
+                or (self._nopostoverwrites and os.path.exists(encodeFilename(new_path)))):
             self._downloader.to_screen('[ffmpeg] Post-process file %s exists, skipping' % new_path)
             return [], information
 
             self._downloader.to_screen('[ffmpeg] Post-process file %s exists, skipping' % new_path)
             return [], information
 
@@ -360,7 +393,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
             sub_ext = sub_info['ext']
             if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt':
                 sub_langs.append(lang)
             sub_ext = sub_info['ext']
             if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt':
                 sub_langs.append(lang)
-                sub_filenames.append(subtitles_filename(filename, lang, sub_ext))
+                sub_filenames.append(subtitles_filename(filename, lang, sub_ext, ext))
             else:
                 if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt':
                     webm_vtt_warn = True
             else:
                 if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt':
                     webm_vtt_warn = True
@@ -377,14 +410,16 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
             # Don't copy the existing subtitles, we may be running the
             # postprocessor a second time
             '-map', '-0:s',
             # Don't copy the existing subtitles, we may be running the
             # postprocessor a second time
             '-map', '-0:s',
+            # Don't copy Apple TV chapters track, bin_data (see #19042, #19024,
+            # https://trac.ffmpeg.org/ticket/6016)
+            '-map', '-0:d',
         ]
         if information['ext'] == 'mp4':
             opts += ['-c:s', 'mov_text']
         for (i, lang) in enumerate(sub_langs):
             opts.extend(['-map', '%d:0' % (i + 1)])
         ]
         if information['ext'] == 'mp4':
             opts += ['-c:s', 'mov_text']
         for (i, lang) in enumerate(sub_langs):
             opts.extend(['-map', '%d:0' % (i + 1)])
-            lang_code = ISO639Utils.short2long(lang)
-            if lang_code is not None:
-                opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
+            lang_code = ISO639Utils.short2long(lang) or lang
+            opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
 
         temp_filename = prepend_extension(filename, 'temp')
         self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename)
 
         temp_filename = prepend_extension(filename, 'temp')
         self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename)
@@ -412,6 +447,13 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
                         metadata[meta_f] = info[info_f]
                     break
 
                         metadata[meta_f] = info[info_f]
                     break
 
+        # See [1-4] for some info on media metadata/metadata supported
+        # by ffmpeg.
+        # 1. https://kdenlive.org/en/project/adding-meta-data-to-mp4-video/
+        # 2. https://wiki.multimedia.cx/index.php/FFmpeg_Metadata
+        # 3. https://kodi.wiki/view/Video_file_tagging
+        # 4. http://atomicparsley.sourceforge.net/mpeg-4files.html
+
         add('title', ('track', 'title'))
         add('date', 'upload_date')
         add(('description', 'comment'), 'description')
         add('title', ('track', 'title'))
         add('date', 'upload_date')
         add(('description', 'comment'), 'description')
@@ -422,6 +464,10 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
         add('album')
         add('album_artist')
         add('disc', 'disc_number')
         add('album')
         add('album_artist')
         add('disc', 'disc_number')
+        add('show', 'series')
+        add('season_number')
+        add('episode_id', ('episode', 'episode_id'))
+        add('episode_sort', 'episode_number')
 
         if not metadata:
             self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add')
 
         if not metadata:
             self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add')
@@ -429,17 +475,40 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
 
         filename = info['filepath']
         temp_filename = prepend_extension(filename, 'temp')
 
         filename = info['filepath']
         temp_filename = prepend_extension(filename, 'temp')
+        in_filenames = [filename]
+        options = []
 
         if info['ext'] == 'm4a':
 
         if info['ext'] == 'm4a':
-            options = ['-vn', '-acodec', 'copy']
+            options.extend(['-vn', '-acodec', 'copy'])
         else:
         else:
-            options = ['-c', 'copy']
+            options.extend(['-c', 'copy'])
 
         for (name, value) in metadata.items():
             options.extend(['-metadata', '%s=%s' % (name, value)])
 
 
         for (name, value) in metadata.items():
             options.extend(['-metadata', '%s=%s' % (name, value)])
 
+        chapters = info.get('chapters', [])
+        if chapters:
+            metadata_filename = replace_extension(filename, 'meta')
+            with io.open(metadata_filename, 'wt', encoding='utf-8') as f:
+                def ffmpeg_escape(text):
+                    return re.sub(r'(=|;|#|\\|\n)', r'\\\1', text)
+
+                metadata_file_content = ';FFMETADATA1\n'
+                for chapter in chapters:
+                    metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n'
+                    metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000)
+                    metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000)
+                    chapter_title = chapter.get('title')
+                    if chapter_title:
+                        metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title)
+                f.write(metadata_file_content)
+                in_filenames.append(metadata_filename)
+                options.extend(['-map_metadata', '1'])
+
         self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)
         self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)
-        self.run_ffmpeg(filename, temp_filename, options)
+        self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options)
+        if chapters:
+            os.remove(metadata_filename)
         os.remove(encodeFilename(filename))
         os.rename(encodeFilename(temp_filename), encodeFilename(filename))
         return [], info
         os.remove(encodeFilename(filename))
         os.rename(encodeFilename(temp_filename), encodeFilename(filename))
         return [], info
@@ -517,7 +586,7 @@ class FFmpegFixupM3u8PP(FFmpegPostProcessor):
             temp_filename = prepend_extension(filename, 'temp')
 
             options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
             temp_filename = prepend_extension(filename, 'temp')
 
             options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
-            self._downloader.to_screen('[ffmpeg] Fixing malformated aac bitstream in "%s"' % filename)
+            self._downloader.to_screen('[ffmpeg] Fixing malformed AAC bitstream in "%s"' % filename)
             self.run_ffmpeg(filename, temp_filename, options)
 
             os.remove(encodeFilename(filename))
             self.run_ffmpeg(filename, temp_filename, options)
 
             os.remove(encodeFilename(filename))
@@ -548,19 +617,19 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
                 self._downloader.to_screen(
                     '[ffmpeg] Subtitle file for %s is already in the requested format' % new_ext)
                 continue
                 self._downloader.to_screen(
                     '[ffmpeg] Subtitle file for %s is already in the requested format' % new_ext)
                 continue
-            old_file = subtitles_filename(filename, lang, ext)
+            old_file = subtitles_filename(filename, lang, ext, info.get('ext'))
             sub_filenames.append(old_file)
             sub_filenames.append(old_file)
-            new_file = subtitles_filename(filename, lang, new_ext)
+            new_file = subtitles_filename(filename, lang, new_ext, info.get('ext'))
 
 
-            if ext == 'dfxp' or ext == 'ttml' or ext == 'tt':
+            if ext in ('dfxp', 'ttml', 'tt'):
                 self._downloader.report_warning(
                     'You have requested to convert dfxp (TTML) subtitles into another format, '
                     'which results in style information loss')
 
                 dfxp_file = old_file
                 self._downloader.report_warning(
                     'You have requested to convert dfxp (TTML) subtitles into another format, '
                     'which results in style information loss')
 
                 dfxp_file = old_file
-                srt_file = subtitles_filename(filename, lang, 'srt')
+                srt_file = subtitles_filename(filename, lang, 'srt', info.get('ext'))
 
 
-                with io.open(dfxp_file, 'rt', encoding='utf-8') as f:
+                with open(dfxp_file, 'rb') as f:
                     srt_data = dfxp2srt(f.read())
 
                 with io.open(srt_file, 'wt', encoding='utf-8') as f:
                     srt_data = dfxp2srt(f.read())
 
                 with io.open(srt_file, 'wt', encoding='utf-8') as f: