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Code Issues Releases Wiki Activity

remove old example stream 

add startcode values
remove nonsense redownloading goal


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12163 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2004-04-09 18:40:48 +00:00
parent 50f0378605
commit 35fe7137c4
1 changed files with 12 additions and 63 deletions
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75
DOCS/tech/mpcf.txt
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@ -23,7 +23,6 @@ Compact
Error resistant
seeking / playback without an index
headers & index can be repeated
checksums to allow quick redownloading of damaged parts
damaged files can be played back with minimal data lost and fast
resyncing times
@ -228,7 +227,18 @@ backward_ptr
*_startcode
the first bit is allways set
all startcodes start with 'N'
main_startcode
0x7A561F5F04ADULL + (((uint64_t)('N'<<8) + 'M')<<48)
stream_starcode
0x11405BF2F9DBULL + (((uint64_t)('N'<<8) + 'S')<<48)
frame_type2_startcode
0xE4ADEECA4569ULL + (((uint64_t)('N'<<8) + 'K')<<48)
index_startcode
0xDD672F23E64EULL + (((uint64_t)('N'<<8) + 'X')<<48)
info_startcode
0xAB68B596BA78ULL + (((uint64_t)('N'<<8) + 'I')<<48)
version
1 for now
@ -508,10 +518,6 @@ info packets, SHOULD be placed at the begin of the file at least
for realtime streaming info packets will normally be transmitted when they apply
for example, the current song title & artist of the currently shown music video
Stuffing packets
can be used as a filler, for example to leave some empty space at the begin for
a copy of the index
Unknown packets
MUST be ignored by the decoder
@ -579,63 +585,6 @@ static inline int put_v(BufferContext *bc, uint64_t val){
return 0;
}
Example stream
main header
video_stream_header (stream 0, video jpjp, timebase 30, lsb_timestamp_length=8)
video_stream_header (stream 1 subtitle usen, timebase 30, lsb_timestamp_length=8)
video_stream_header (stream 2 subtitle atde, timebase 30, lsb_timestamp_length=8)
audio_stream_header (stream 3, audio jpjp, timebase 1 , lsb_timestamp_length=8)
audio_stream_header (stream 4, audio usen, timebase 1 , lsb_timestamp_length=8)
index (stream 0)
keyframe (stream 0, msb_timestamp=0, lsb_timestamp=0)
keyframe (stream 1, msb_timestamp=0, lsb_timestamp=0)
keyframe (stream 2, msb_timestamp=0, lsb_timestamp=0)
keyframe (stream 3, msb_timestamp=0, lsb_timestamp=0)
keyframe (stream 4, msb_timestamp=0, lsb_timestamp=0)
frame (stream 0, lsb_timestamp=1)
frame (stream 0, lsb_timestamp=2)
...
frame (stream 0, lsb_timestamp=30)
keyframe (stream 3, msb_timestamp=0, lsb_timestamp=1)
keyframe (stream 4, msb_timestamp=0, lsb_timestamp=1)
frame (stream 0, lsb_timestamp=31)
frame (stream 0, lsb_timestamp=32)
...
frame (stream 0, lsb_timestamp=60)
frame (stream 1, lsb_timestamp=60)
frame (stream 2, lsb_timestamp=60)
keyframe (stream 3, msb_timestamp=0, lsb_timestamp=2)
keyframe (stream 4, msb_timestamp=0, lsb_timestamp=2)
frame (stream 0, lsb_timestamp=61)
frame (stream 0, lsb_timestamp=62)
...
main header
video_stream_header (stream 0, video jpjp, timebase 30, lsb_timestamp_length=8)
video_stream_header (stream 1 subtitle usen, timebase 30, lsb_timestamp_length=8)
video_stream_header (stream 2 subtitle atde, timebase 30, lsb_timestamp_length=8)
audio_stream_header (stream 3, audio jpjp, timebase 1 , lsb_timestamp_length=8)
audio_stream_header (stream 4, audio usen, timebase 1 , lsb_timestamp_length=8)
frame (stream 0, lsb_timestamp=255)
frame (stream 0, msb_timestamp=1 lsb_timestamp=0)
frame (stream 0, lsb_timestamp=1)
frame (stream 0, lsb_timestamp=2)
frame (stream 1, msb_timestamp=1 lsb_timestamp=2)
frame (stream 2, msb_timestamp=1 lsb_timestamp=2)
frame (stream 0, lsb_timestamp=3)
frame (stream 0, lsb_timestamp=4)
...
keyframe (stream 3, msb_timestamp=0, lsb_timestamp=9)
keyframe (stream 4, msb_timestamp=0, lsb_timestamp=9)
main header
video_stream_header (stream 0, video jpjp, timebase 30, lsb_timestamp_length=8)
video_stream_header (stream 1 subtitle usen, timebase 30, lsb_timestamp_length=8)
video_stream_header (stream 2 subtitle atde, timebase 30, lsb_timestamp_length=8)
audio_stream_header (stream 3, audio jpjp, timebase 1 , lsb_timestamp_length=8)
audio_stream_header (stream 4, audio usen, timebase 1 , lsb_timestamp_length=8)
index (stream 0)
Authors
Folks from MPlayer Developers Mailinglist (http://www.mplayehrq.hu/).