FFmpeg

Commit Graph

Author	SHA1	Message	Date
Justin Ruggles	0bc08ed941	flacenc: write initial blocksize to STREAMINFO header instead of current blocksize. Originally committed as revision 18532 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Bobby Bingham	0aed5e9fb8	Skip loop iterations which are no-ops due to data1[-lag..-1] being zero. Originally committed as revision 18498 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Jai Menon	437f884da6	flacenc : do not #include libavutil/lls.h since lpc code is now separate. Originally committed as revision 18495 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Stefano Sabatini	9106a698e7	Rename bitstream.h to get_bits.h. Originally committed as revision 18494 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	0fb2182d46	add a function to calculate a more accurate estimate for maximum FLAC frame size and use the function in the FLAC decoder and FLAC encoder Originally committed as revision 18092 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	f121622114	revert accidental unrelated change in last commit Originally committed as revision 18090 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	d4df4e5088	share sample rate and blocksize tables between the FLAC encoder and FLAC decoder Originally committed as revision 18089 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	b9b4fc5e07	flacenc: remove unneeded variable, 'min_encoded_framesize' and use 'min_framesize' instead Originally committed as revision 18087 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	ad52941faa	flacenc: remove unneeded context variable, 'ch_code' Originally committed as revision 18083 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	3159780b18	share channel mode constants between the FLAC decoder and FLAC encoder Originally committed as revision 18082 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	07d16e2ecf	share some constants between the FLAC encoder and FLAC decoder Originally committed as revision 18041 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Aurelien Jacobs	b250f9c66d	Change semantic of CONFIG_, HAVE_ and ARCH_*. They are now always defined to either 0 or 1. Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	6682ae42a4	write actual min and max frame size to FLAC header. update regression test checksum. Originally committed as revision 15331 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	a9f8587e15	write MD5 checksum to FLAC header. update regression tests. Originally committed as revision 15326 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	e1a12934c5	write number of samples in FLAC extradata. based on a patch by Mathieu Velten (matmaul gmail com). Originally committed as revision 15324 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	f1f373c220	fix and simplify frame size check and reencoding in verbatim mode Originally committed as revision 14811 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	38c1a5c4d9	update my email address to one which does not depend on my service provider Originally committed as revision 14797 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	9045f5e72d	cosmetics: adjust line breaks and vertical alignment Originally committed as revision 14795 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Justin Ruggles	56c07e2989	use limited range of lpc orders when quantizing coefficients Originally committed as revision 14794 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Ramiro Polla	c50da3ad6c	flacenc, lpc: Move LPC code from flacenc.c to new lpc.[ch] files. Originally committed as revision 14790 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Ramiro Polla	51c796d012	flacenc: Allow more flexible shift calculation in LPC. Originally committed as revision 14789 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Peter Ross	fd76c37fd9	Modify all codecs to report their supported input and output sample format(s). Originally committed as revision 14482 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Ramiro Polla	6647ab80e3	bitstream: move put_sbits() from flacenc.c to bitstream.h and use it throughout libavcodec. Originally committed as revision 14204 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Stefano Sabatini	fe4bf37455	Make AVCodec long_names definition conditional depending on CONFIG_SMALL. Originally committed as revision 13759 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Diego Biurrun	245976da2a	Use full path for #includes from another directory. Originally committed as revision 13098 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Stefano Sabatini	d5202e4fda	Add long names to many AVCodec declarations. patch by Stefano Sabatini, stefano.sabatini-lala poste it Originally committed as revision 13005 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Justin Ruggles	42ceeb5f3c	remove redundant context variable Originally committed as revision 12642 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Justin Ruggles	fe790f89e8	Use 15-bit LPC precision by default. This generally gives better compression results. Also update Ogg regression test. Originally committed as revision 12630 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Zuxy Meng	98a6fff98c	Apply 'cold' attribute to init/uninit functions in libavcodec Originally committed as revision 12525 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	a4195e68b6	assert() and note about odd len. Originally committed as revision 11884 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	fa4ed8c10a	optimize apply_welch_window() Originally committed as revision 11881 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Aurelien Jacobs	3abe5fbdc4	improve CRC API - don't export any global var - provide either generated or hardcoded tables Originally committed as revision 11409 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	90f0344165	remove a branch from an inner loop. 1% faster flac encoding. Originally committed as revision 10865 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	286127c5dd	div -> mul Originally committed as revision 10630 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	b8de342919	simplify lpc Originally committed as revision 10628 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	bfdd5bc1f1	unroll finite differences to avoid swapping registers. 1.5x faster encode_residual_fixed(). overall flac encoding: 3% faster at compression_levels 0-2. Originally committed as revision 10625 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	a309dce75f	encode_residual_fixed(): replace FIR with finite differences. 4x faster order 2, 3.5x order 3, 3x order 4. overall flac encoding: 35% faster at compression_levels 0-2, no effect at higher levels. Originally committed as revision 10624 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	6810b93a81	sse2 version of compute_autocorr(). 4x faster than c (somehow, even though doubles only allow 2x simd). overal flac encoding: 15-50% faster on core2, 4-11% on k8, 3-13% on p4. Originally committed as revision 10621 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	19b9c7cc66	was computing one more autocorrelation coefficient that was actually used Originally committed as revision 10613 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	14bd2a9f25	replace brute force find_optimal_param() with a closed-form solution. overall flac encoding: 4-15% faster. output is not identical to the previous algorithm due to occasional rounding errors, but the differece is less than .0005% bitrate. Originally committed as revision 10612 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	f6215b1b06	gcc isn't smart enough to factor out duplicate stores Originally committed as revision 10611 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	28e968c4a4	2.5x faster compute_autocorr() overall flac encoding: 15-50% faster on core2, 8-30% on k8, 2-20% on p4 (depending on compression_level) Originally committed as revision 10606 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	dc44d4ad64	unroll encode_residual_lpc(). speedup varies between 1.2x and 1.8x depending on lpc order. Originally committed as revision 10596 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	0d2caa37c5	oops, potential overflow on really large blocks Originally committed as revision 10587 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Loren Merritt	f74471e043	optimize encode_residual_lpc() 37%/45%/90% faster on core2/k8/p4, making flac encoding overall 15%/17%/40% faster at compression_level>=8 (less at low levels). Originally committed as revision 10585 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Reimar Döffinger	f66e4f5f9e	Add av_ prefix to clip functions Originally committed as revision 8122 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Zuxy Meng	360932f76d	Fix ASF format parser's broken UTF-16 string handling 1. Add a PUT_UTF8 macro to common.h; code borrowed from libavcodec/flacenc.c. 2. Make use of the macro in flacenc.c Patch by Zuxy Meng % zuxy P meng A gmail P com % Original thread: Date: Nov 5, 2006 9:56 AM Subject: [Ffmpeg-devel] PUT_UTF8 & asf format enhancement Originally committed as revision 6911 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	c26abfa541	Rename ABS macro to FFABS. Originally committed as revision 6666 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	b78e7197a8	Change license headers to say 'FFmpeg' instead of 'this program/this library' and fix GPL/LGPL version mismatches. Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Justin Ruggles	e1bbc0321c	cosmetic change to adjust alignment. Originally committed as revision 5767 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago

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71 Commits (50f68bdebf79146df8f010bc6bad0b8145077944)