FFmpeg

Commit Graph

Author	SHA1	Message	Date
Måns Rullgård	49bd8e4b84	Fix grammar errors in documentation Originally committed as revision 23904 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Måns Rullgård	79aec75792	flacenc: convert VLA to fixed size Originally committed as revision 23744 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Stefano Sabatini	2874c81cc8	Replace all remaining occurrences of AVERROR_NOMEM with AVERROR(ENOMEM). AVERROR_NOMEM is deprecated and will be dropped at the next libavutil major bump. Originally committed as revision 22791 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Stefano Sabatini	72415b2adb	Define AVMediaType enum, and use it instead of enum CodecType, which is deprecated and will be dropped at the next major bump. Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Justin Ruggles	fde82ca7e4	Move autocorrelation function from flacenc.c to lpc.c. Also rename the corresponding dsputil functions and remove their dependency on the FLAC encoder. Fixes Issue1486. Originally committed as revision 20266 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Reimar Döffinger	b5f09d31c2	Make sample_fmts and channel_layouts compound literals const to reduce size of .data section. Originally committed as revision 19787 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Måns Rullgård	63613fe615	Replace WORDS_BIGENDIAN with HAVE_BIGENDIAN Originally committed as revision 19508 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
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

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134 Commits (16f793571dfada708b3c10b97866b27732085471)