From: Carl Hetherington <cth@carlh.net>
Date: Mon, 22 Aug 2022 07:10:23 +0000 (+0200)
Subject: Fix audio-only sources, and non-integer frame rates.
X-Git-Tag: v2.16.22~14
X-Git-Url: https://git.carlh.net/gitweb/?p=dcpomatic.git;a=commitdiff_plain;h=aed4009b0a597d54d28202b4966d426fb8502534

Fix audio-only sources, and non-integer frame rates.
---

diff --git a/hacks/make_dummy_files b/hacks/make_dummy_files
index 1370fff98..4cbc88d2d 100755
--- a/hacks/make_dummy_files
+++ b/hacks/make_dummy_files
@@ -110,16 +110,19 @@ for c in root.find('Playlist').findall('Content'):
         video_cmd = ''
         audio_cmd = ''
         path = os.path.join(sys.argv[1], 'dummy', ntpath.basename(c.find('Path').text))
-        if c.find('VideoFrameRate') is not None:
-            video_frame_rate = float(c.find('VideoFrameRate').text)
-            video_length = int(c.find('VideoLength').text)
-            video_cmd = '-s qcif -f rawvideo -pix_fmt rgb24 -r %d -i /dev/zero' % video_frame_rate
         if c.find('AudioStream') is not None:
             audio_channels = int(c.find('AudioStream').find('Mapping').find('InputChannels').text)
             audio_frame_rate = int(c.find('AudioStream').find('FrameRate').text)
+            audio_length = int(c.find('AudioStream').find('Length').text)
             names = { 1: 'mono', 2: 'stereo', 3: '3.0', 4: '4.0', 5: '4.1', 6: '5.1', 7: '6.1', 8: '7.1' }
             audio_cmd = '-f lavfi -i anullsrc=channel_layout=%s:sample_rate=%d' % (names[audio_channels], audio_frame_rate)
-        os.system('ffmpeg -t %d %s %s -shortest "%s"' % (float(video_length) / video_frame_rate, video_cmd, audio_cmd, path))
+        if c.find('VideoFrameRate') is not None:
+            video_frame_rate = float(c.find('VideoFrameRate').text)
+            video_length = int(c.find('VideoLength').text)
+            video_cmd = '-s qcif -f rawvideo -pix_fmt rgb24 -r %f -i /dev/zero' % video_frame_rate
+            os.system('ffmpeg -t %f %s %s -shortest "%s"' % (video_length / video_frame_rate, video_cmd, audio_cmd, path))
+        else:
+            os.system('sox -n -r %d -c %d %s trim 0.0 %f' % (audio_frame_rate, audio_channels, path, float(audio_length) / audio_frame_rate))
         c.find('Path').text = path
         c.find('Digest').text = digest_head_tail(path)
     elif type == 'Image':