H264 does not play with FireFox
AppBuilder1984 opened this issue · comments
Hello,
I am very pleased with Plyr, but I have noticed, that some videos won't play with FireFox. Joomla 4 Website running on Linux System (Shared Server). They will play with e.g. latest Internet Explorer (Windows 10):
Format: mp4
Bitrate: 339.0kbps
File Size: 33.37 MB
Video Encode H264
Video BitRate: 339.0kbps
Resolution 1280x720
Aspect Ratio: 16:9
Frame rate: 29.970 fps
Audio Encode01: AAC
Audio Bitrate: 128.0 kbps
Audio Sample Rate: 44.0 KHz
Error:
Details: static MP4Metadata::ResultAndByteBuffer __cdecl mozilla::MP4Metadata::Metadata(ByteStream *): Cannot parse metadata
I know by now, that some codecs are licensed. But why can't Firefox play H264?
Codec: MPEG AAC Audio (mp4a)
Typ: Audio
Kanäle: Stereo
Abtastrate: 44100 Hz
Bits pro Sample: 32
Codec: H264 - MPEG-4 AVC (part 10) (avc1)
Typ: Video
Videoauflösung: 1280x720
Pufferabmessungen: 1280x720
Bildwiederholrate: 29.970628
Decodiertes Format:
Ausrichtung: Oben links
Grundfarben: ITU-R BT.709
Farbübertragungsfunktion: ITU-R BT.709
Farbraum: ITU-R BT.709 Bereich
Farbsättigungslage: Links
Firefox 119.0.: Error Code: NS_ERROR_DOM_MEDIA_METADATA_ERR (0x806e0006)
Details: static MP4Metadata::ResultAndByteBuffer __cdecl mozilla::MP4Metadata::Metadata(ByteStream *): Cannot parse metadata
I only found this: https://stackoverflow.com/questions/40760864/how-to-play-mp4-video-in-firefox#40784948
But no solution so far.
I think the mp4 file was missing the correct container. I have used a converter to get a valid mp4 file and now it is playing. I guess I have to check upon upload, if the mp4 file has a valid container.
I think what you're encountering is the difference between the H.264 compression format, and the MP4 container format. Per this Wikipedia entry, linked from Mozilla's own support pages, Firefox supports MP4, but not H.264 without a container.
The easiest eay to fix it is to encode everything as an MP4 (or another suitable container format). The information attached in the container is non-trivial, and not available in the raw H.264 file.