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| author | michael <michael@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-02-07 11:20:35 +0000 |
|---|---|---|
| committer | michael <michael@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-02-07 11:20:35 +0000 |
| commit | 35a5e9fdb5f647c8b25bc56e3e31a14af962ad78 (patch) | |
| tree | fe33c3c0294f2edfefd8c191f2026553e45cbcc9 /DOCS | |
| parent | 1de44c5cde45b64453fda54ece10516392bc5c5f (diff) | |
| download | mpv-35a5e9fdb5f647c8b25bc56e3e31a14af962ad78.tar.bz2 mpv-35a5e9fdb5f647c8b25bc56e3e31a14af962ad78.tar.xz | |
zero_bit for normal frames, so we can distinguish them from other packets
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9312 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'DOCS')
| -rw-r--r-- | DOCS/tech/mpcf.txt | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/DOCS/tech/mpcf.txt b/DOCS/tech/mpcf.txt index b1fbec9e8e..12881d0b30 100644 --- a/DOCS/tech/mpcf.txt +++ b/DOCS/tech/mpcf.txt @@ -123,12 +123,13 @@ frame if(keyframe){ keyframe_startcode f(64) } - lsb_timestamp v - stream_id v + zero_bit f(1) priority u(2) checksum_flag u(1) msb_timestamp_flag u(1) - reserved u(4) + reserved u(3) + lsb_timestamp v + stream_id v if(msb_timestamp_flag) msb_timestamp v bitstream @@ -256,6 +257,11 @@ sample_width/sample_height (aspect ratio) depth for compatibility with some win32 codecs +zero_bit + MUST be 0, its there to distinguish non keyframes from other packets, + Note: all packets have a 64-bit startcode except non-keyframes to reduce + their size, and all startcodes start with a 1 bit + priority if 0 then the frame isnt used as reference (b frame) and can be droped MUST be > 0 for keyframes @@ -325,6 +331,7 @@ headers MUST be repeated at least twice (so they exist 3 times in a file) Index the index can be repeated but there MUST be at least one at the end +Note: in case of realtime streaming there is no end, so no index there either Info packets the info_packet can be repeated, it can also contain different names & values |