diff options
Diffstat (limited to 'converter/ppm/ppmtompeg/CHANGES')
| -rw-r--r-- | converter/ppm/ppmtompeg/CHANGES | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/converter/ppm/ppmtompeg/CHANGES b/converter/ppm/ppmtompeg/CHANGES new file mode 100644 index 00000000..fffa7a65 --- /dev/null +++ b/converter/ppm/ppmtompeg/CHANGES @@ -0,0 +1,180 @@ +Changes chronology +------------------ +1.5b Release August 1995 + - added date to default USER_DATA string + - made prototypes happier + - renamed SPECIFICS_FILE to CDL_FILE + - fixed bit_rate param in constrained param setting (was too restrictive) + - fixed obscure P-block motion vector bug + - added a file name replication: + foo.ppm [1-10] will make 10 copies of foo.ppm + - generalized fopen calls to specify binary mode (MSDOG) + - generalized times calls into elapsed_time to handle different library routines + - fixed motion vector bug in bframes; skip block bug + - fixed minor bugs in parallel, mpeg, main, iframe, param, .... + - accepts extra whitespace at the end of lines in parameter files + - "PIXEL FULL" bug in B-frames fixed (caused ghosting) + - B-blocks "can I skip" rutine now looks at color too (more ghosting problems) + - switched from JPEG4 to JPEG5 (if they crash for you, + do a -DJPEG4 for the encoder, and get jpeg4.tar.gz off our site) + - combine server (parallel) waits longer for files to exist ( + thanks to apian@ise.fhg.de) + - killing the parallel server kills the clients!!!! (apian@ise.fhg.de) + +1.5 Release 8 May 1995 Changes since version 1.3 release (to 1.5) += BUG FIXES + - removed SetBlocksPerSlice() from GOPStoMPEG + - don't access bb after freeing + - non-integer frame rates now work for all machines + - fixed parsing of -mv_histogram + - fixed numPadding bug (file name problem) + - fixed full pixel assertation bug + - corrected ASPECT_RATIO bug (was forced to 1) + - buffer size is now set correctly + - complains when file is too small + - fixed bug with non-ranged INPUT_FILE names + - forced MB at start/end of slice in P-frame bug fixed + - Actually evaluates the constrained parameter settings + - fixed a Cr/Cb mixup in bframe.c + += NEW FEATURES + - rate control + - optional B search range different from P range + - can read images from stdin, allowing encoding on-the-fly + - Does Y files (no U or V) + - New way of specifying files `cmd`, like `ls jan-*-94` + - Can encode Abekas and Phillips style YUV formats + - gamma correction + - added -realquiet mode + - JMOVIE and JPEGv4 input format fully supported + - -float_dct uses the (slower) double precision floating point DCT + - automatically identifies itself in (sequence header) userdata + - enforced [0][0] entry of Intra Q-table to be 8 + - added Jim Boucher's resize code + - added -mse flag to print mean squared error on a per-block basis + - can specify Sequence header user data + - prints version number + - finds more skip blocks in GenBFrame + - can generate multiple sequence headers (every N GOPs) + += SPEED IMPROVEMENTS + + += MAINTENANCE + - removed mpeg_jrevdct_sparse(), since it wasn't used + - added CompileTests(); + - uses libpnmrw rather than entire pbmplus directory + - redid RCS + - reorganized [ipb]frame.c to make playing with rate controls easier + += PORTABILITY + - added #ifdef's, #ifndef's LINUX'es to ease porting + + +Changes from 1.2 to 1.3 +----------------------- += BUG FIXES + + deletes frame files when done with them in parallel version + + fixed bug in ComputeFrameTable + + completion time estimation now is closer to actual time + + modified ComputeSNR to avoid overflow of varOrig + + fixed bug that caused I/P/B times on HP's to be wrong + + fixed bug that made TwoLevel search out of the search window + + fixed bug in -quiet 0 + + fixed memory leak when using PNM files + + fixed bug: crashed when CPU time was 0 (very rare) + + fixed bug in -gop option + + fixed bug in AppendFiles() + += NEW FEATURES + + added FORCE_ENCODE_LAST_FRAME option (allows encoding of all frames) + + added PARALLEL_CHUNK_TAPER option + + added -bit_rate_info option to show bit rate per frame + + added -mv_histogram option to show motion vector histogram + + custom quantization tables allowed + + can specify frame rate, aspect ratio + += SPEED IMPROVEMENTS + + replaced most remaining binary multiplies/divides with shifts + (except those concerning negative numbers) + += MAINTENANCE + + got rid of & before array warning in block.c + + got rid of references to srandom, random in pbmplus.h + + undefine 'index' if defined as 'strchr' (since we use index as + variable name) + + modified frame type code to be more flexible + += PORTABILITY + + replaced all bzero() calls with memset() calls + + +1.2 Release 20 October 1993 + +Changes from 1.1 to 1.2 +----------------------- += BUG FIXES + + allow comments in PPM files + + first and last macroblocks in a slice may not be skipped macroblocks + + fixed YUV bug: should be able to handle dimensions which + aren't multiples of 16 + + fixed the separate I/O conversion for parallel NFS version + + no_frame_summary can now be last option + += NEW FEATURES + + using DECODED frames as reference frames in parallel + version now works + + implemented multiple I/O Servers + + FORCE_I_ALIGN added + + reorganized Server structure slightly (only I/O Servers + handle individual frame files on disk) + + add option to allow exact division of frames per processor + (PARALLEL_PERFECT) + += SPEED IMPROVEMENTS + + don't start Input server if not needed + += MAINTENANCE + + got rid of niceProcesses line in main.c + + changed write() to SafeWrite() in parallel.c + + commented stuff out after #endif's + + fixed prototype warnings (eliminated non-4-byte args) + + +1.1 Release August 1993 + +Changes from 1.0 to 1.1 +----------------------- += BUG FIXES + + fixed bug in parallel Server code which didn't htonl() frame + numbers correctly (so it didn't work on little-endian machines) + + fixed bug -- B-frames were always getting just 1 slice + + fixed listen() to use max connections allowed + + fixed noparallel.c so it doesn't complain during non-parallel + execution + += NEW FEATURES + + added level-2 p-search (exhaustive full, then half) + + now prints signal-to-noise ratio + + parallel code complains if absolute path not used for parameter + file + + changed single I/O server into separate Input and Output Servers + (and have Output Server combine frames in parallel) + += SPEED IMPROVEMENTS + + slight improvement in Mpost_QuantZigBlock (.10 ms/call down to .08 ms + on Sparc-10) + + improvement in speed of BlockifyFrame (45.8 ms/call down to 21.2 ms) + + improvement in ComputeMotionBlock (0.02 ms/call down to 0.01 ms) + + improvement in ComputeMotionLumBlock (0.04 ms/call down to 0.02 ms) + + improvement in LumAddMotionError (0.06 ms/call down to 0.05 ms) + (changed /2 to >>1) + += MAINTENANCE + + removed most memory.h references (except jrevdct) + + added CFLAGS lines in Makefile for SVR4.0 and SGI machines + + removed mproto.h + + got rid of printing connection times + + +1.0 Release July 1993 |