search for: matroskaenc

Displaying 2 results from an estimated 2 matches for "matroskaenc".

2015 Jun 19
2
Muxing vorbis in WebM
...s contains a *single* vorbis block, right?) - store just the data from that packet (no header) in ffmpeg's own AVPacket struct - eventually this AVPacket data will be inserted as the contents of a WebM (Matroska) block: https://github.com/FFmpeg/FFmpeg/blob/master/libavformat/matroskaenc.c#L1584 Starting with question 1, some important context comes from this excerpt of the vorbis spec: *Data is not returned from the first frame; it must be used to ?prime? the decode engine. The encoder accounts for this priming when calculating PCM offsets; after the first frame, the proper PCM...
2015 Jun 24
0
Muxing vorbis in WebM
...is block, right?) > - store just the data from that packet (no header) in ffmpeg's own > AVPacket struct > - eventually this AVPacket data will be inserted as the contents of a > WebM (Matroska) block: > > https://github.com/FFmpeg/FFmpeg/blob/master/libavformat/matroskaenc.c#L1584 > > Starting with question 1, some important context comes from this excerpt > of the vorbis spec: > > > *Data is not returned from the first frame; it must be used to ?prime? the > decode engine. The encoder accounts for this priming when calculating PCM > offsets;...