From 022c06105f36428a77afb8f750d4e082bb7e287c Mon Sep 17 00:00:00 2001 From: alex Date: Fri, 23 May 2003 12:17:36 +0000 Subject: some changes (michael: is the colorspace_type field needed?) git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10159 b3059339-0415-0410-9bf9-f77b7e298cf2 --- DOCS/tech/mpcf.txt | 35 ++++++++++++++++++++++++++--------- 1 file changed, 26 insertions(+), 9 deletions(-) (limited to 'DOCS/tech/mpcf.txt') diff --git a/DOCS/tech/mpcf.txt b/DOCS/tech/mpcf.txt index cd388af679..18f324aaf5 100644 --- a/DOCS/tech/mpcf.txt +++ b/DOCS/tech/mpcf.txt @@ -9,7 +9,7 @@ Features / goals: Simple use the same encoding for nearly all fields - simple decoding, so slow cpus can handle it + simple decoding, so slow cpus (and embedded systems) can handle it Extendible no limit for the possible values for all fields (using universal vlc) allow adding of new headers in the future @@ -22,6 +22,8 @@ Error resistant headers & index can be repeated audio packet reshuffle checksums to allow quick redownloading of damaged parts + damaged files can be played back with minimal data lost and fast + resyncing times @@ -230,11 +232,6 @@ file_size length_in_msec length of the file in milli seconds (can be 0 if realtime or such) -index_flag - 1 indicates that this file has an index - Note, all files SHOULD have an index at the end except, (realtime) streams - Note, all streams SHOULD have an index - stream_id Note: streams with a lower relative class MUST have a lower relative id so a stream with class 0 MUST allways have a id which is lower then any @@ -251,7 +248,7 @@ stream_class fourcc identification for the codec example: "H264" - MUST contain 4 bytes, note, this might be increasd in the future if + MUST contain 4 bytes, note, this might be increased in the future if needed language_code @@ -286,6 +283,11 @@ msb_timestamp_shift fixed_fps 1 indicates that the fps is fixed +index_flag + 1 indicates that this file has an index + Note, all files SHOULD have an index at the end except, (realtime) streams + Note, all streams SHOULD have an index + codec_specific_data_type 0 end 1 native @@ -371,6 +373,9 @@ sample_width/sample_height (aspect ratio) depth for compatibility with some win32 codecs + +colorspace_type + ? samplerate_mul the number of samples per second in one time_base unit @@ -543,7 +548,7 @@ static inline void put_bytes(BufferContext *bc, int count, uint64_t val){ static inline uint64_t get_v(BufferContext *bc){ uint64_t val= 0; - for(; spaceLeft(bc) > 0; ){ + for(; space_left(bc) > 0; ){ int tmp= *(bc->buf_ptr++); if(tmp&0x80) val= (val<<7) + tmp - 0x80; @@ -557,7 +562,7 @@ static inline uint64_t get_v(BufferContext *bc){ static inline int put_v(BufferContext *bc, uint64_t val){ int i; - if(spaceLeft(bc) < 9) return -1; + if(space_left(bc) < 9) return -1; val &= 0x7FFFFFFFFFFFFFFFULL; // FIXME can only encode upto 63 bits currently for(i=7; ; i+=7){ @@ -639,3 +644,15 @@ video_stream_header (stream 2 subtitle atde, timebase 30, lsb_timestamp_length= 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/). +Authors in ABC-order: (FIXME! Tell us if we left you out) + Beregszaszi, Alex (alex@fsn.hu) + Bunkus, Moritz (moritz@bunkus.org) + Diedrich, Tobias (td@sim.uni-hannover.de) + Franz, Fabian (FabianFranz@gmx.de) + Gereoffy, Arpad (arpi@thot.banki.hu) + Hess, Andreas (jaska@gmx.net) + Niedermayer, Michael (michaelni@gmx.at) -- cgit v1.2.3