initial

1 files changed, 130 insertions, 0 deletions

diff --git a/hypervideo_dl/postprocessor/embedthumbnail.py b/hypervideo_dl/postprocessor/embedthumbnail.py
new file mode 100644
index 0000000..3990908
--- /dev/null
+++ b/hypervideo_dl/postprocessor/embedthumbnail.py
@@ -0,0 +1,130 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+
+import os
+import subprocess
+
+from .ffmpeg import FFmpegPostProcessor
+
+from ..utils import (
+    check_executable,
+    encodeArgument,
+    encodeFilename,
+    PostProcessingError,
+    prepend_extension,
+    replace_extension,
+    shell_quote
+)
+
+
+class EmbedThumbnailPPError(PostProcessingError):
+    pass
+
+
+class EmbedThumbnailPP(FFmpegPostProcessor):
+    def __init__(self, downloader=None, already_have_thumbnail=False):
+        super(EmbedThumbnailPP, self).__init__(downloader)
+        self._already_have_thumbnail = already_have_thumbnail
+
+    def run(self, info):
+        filename = info['filepath']
+        temp_filename = prepend_extension(filename, 'temp')
+
+        if not info.get('thumbnails'):
+            self._downloader.to_screen('[embedthumbnail] There aren\'t any thumbnails to embed')
+            return [], info
+
+        thumbnail_filename = info['thumbnails'][-1]['filename']
+
+        if not os.path.exists(encodeFilename(thumbnail_filename)):
+            self._downloader.report_warning(
+                'Skipping embedding the thumbnail because the file is missing.')
+            return [], info
+
+        def is_webp(path):
+            with open(encodeFilename(path), 'rb') as f:
+                b = f.read(12)
+            return b[0:4] == b'RIFF' and b[8:] == b'WEBP'
+
+        # Correct extension for WebP file with wrong extension (see #25687, #25717)
+        _, thumbnail_ext = os.path.splitext(thumbnail_filename)
+        if thumbnail_ext:
+            thumbnail_ext = thumbnail_ext[1:].lower()
+            if thumbnail_ext != 'webp' and is_webp(thumbnail_filename):
+                self._downloader.to_screen(
+                    '[ffmpeg] Correcting extension to webp and escaping path for thumbnail "%s"' % thumbnail_filename)
+                thumbnail_webp_filename = replace_extension(thumbnail_filename, 'webp')
+                os.rename(encodeFilename(thumbnail_filename), encodeFilename(thumbnail_webp_filename))
+                thumbnail_filename = thumbnail_webp_filename
+                thumbnail_ext = 'webp'
+
+        # Convert unsupported thumbnail formats to JPEG (see #25687, #25717)
+        if thumbnail_ext not in ['jpg', 'png']:
+            # NB: % is supposed to be escaped with %% but this does not work
+            # for input files so working around with standard substitution
+            escaped_thumbnail_filename = thumbnail_filename.replace('%', '#')
+            os.rename(encodeFilename(thumbnail_filename), encodeFilename(escaped_thumbnail_filename))
+            escaped_thumbnail_jpg_filename = replace_extension(escaped_thumbnail_filename, 'jpg')
+            self._downloader.to_screen('[ffmpeg] Converting thumbnail "%s" to JPEG' % escaped_thumbnail_filename)
+            self.run_ffmpeg(escaped_thumbnail_filename, escaped_thumbnail_jpg_filename, ['-bsf:v', 'mjpeg2jpeg'])
+            os.remove(encodeFilename(escaped_thumbnail_filename))
+            thumbnail_jpg_filename = replace_extension(thumbnail_filename, 'jpg')
+            # Rename back to unescaped for further processing
+            os.rename(encodeFilename(escaped_thumbnail_jpg_filename), encodeFilename(thumbnail_jpg_filename))
+            thumbnail_filename = thumbnail_jpg_filename
+
+        if info['ext'] == 'mp3':
+            options = [
+                '-c', 'copy', '-map', '0', '-map', '1',
+                '-metadata:s:v', 'title="Album cover"', '-metadata:s:v', 'comment="Cover (Front)"']
+
+            self._downloader.to_screen('[ffmpeg] Adding thumbnail to "%s"' % filename)
+
+            self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options)
+
+            if not self._already_have_thumbnail:
+                os.remove(encodeFilename(thumbnail_filename))
+            os.remove(encodeFilename(filename))
+            os.rename(encodeFilename(temp_filename), encodeFilename(filename))
+
+        elif info['ext'] in ['m4a', 'mp4']:
+            atomicparsley = next((x
+                                  for x in ['AtomicParsley', 'atomicparsley']
+                                  if check_executable(x, ['-v'])), None)
+
+            if atomicparsley is None:
+                raise EmbedThumbnailPPError('AtomicParsley was not found. Please install.')
+
+            cmd = [encodeFilename(atomicparsley, True),
+                   encodeFilename(filename, True),
+                   encodeArgument('--artwork'),
+                   encodeFilename(thumbnail_filename, True),
+                   encodeArgument('-o'),
+                   encodeFilename(temp_filename, True)]
+
+            self._downloader.to_screen('[atomicparsley] Adding thumbnail to "%s"' % filename)
+
+            if self._downloader.params.get('verbose', False):
+                self._downloader.to_screen('[debug] AtomicParsley command line: %s' % shell_quote(cmd))
+
+            p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+            stdout, stderr = p.communicate()
+
+            if p.returncode != 0:
+                msg = stderr.decode('utf-8', 'replace').strip()
+                raise EmbedThumbnailPPError(msg)
+
+            if not self._already_have_thumbnail:
+                os.remove(encodeFilename(thumbnail_filename))
+            # for formats that don't support thumbnails (like 3gp) AtomicParsley
+            # won't create to the temporary file
+            if b'No changes' in stdout:
+                self._downloader.report_warning('The file format doesn\'t support embedding a thumbnail')
+            else:
+                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.')
+
+        return [], info