FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	a588a2c654	regression test for iterative ME & wavelet cmp functions Originally committed as revision 4820 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	88e51e1fb5	second try of improved lambda/qp guessing for motion estimation RD in first pass Originally committed as revision 4785 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	aaaa6f1549	dont discard least significant bits Originally committed as revision 4773 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	b7c51ebc89	slightly better mv_penalty table Originally committed as revision 4770 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	377798d6bd	minor typo Originally committed as revision 4767 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	50c6f6cd4c	improved lambda/qp guessing for motion estimation RD in first pass this only affects encoding with bframes and rate control Originally committed as revision 4765 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	f79432a26e	set a few variables correctly Originally committed as revision 4560 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	c619ff6daf	optimizations dc coeff rounding fix class=3 num of bits fix do interlaced check & idct only if CODEC_FLAG_INTERLACED_DCT Originally committed as revision 4542 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	8fce2707e8	regression tests for dv Originally committed as revision 4541 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	d8cbeba156	yamaha adpcm regression test Originally committed as revision 4473 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	3b5ffe7a39	fix mpeg2 chroma_420_type Originally committed as revision 4274 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Justin Ruggles	132041f06f	While adding stereo rematrixing, I came across something that needs to be fixed even without adding the feature. The output correctly uses 4 dummy values for the rematrixing flags in block-0, but the bit allocation routine does not take these bits into account. From what I can tell, there was a patch in 2003 that corrected the output to make it DVD and spec compatible, but it didn't correct the bit allocation. It's only 4 bits over the entire 6 blocks, so overflow errors would happen rarely or never, but it's still worth fixing. So here is a fix. patch by (Justin Ruggles {jruggle earthlink net) Originally committed as revision 4179 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Yartrebo	8c2515bbb9	fix overflow in mc_block() patch by (Yartrebo )yartrebo earthlink net Originally committed as revision 4132 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	b44985ba12	store the number of runs to avoid storing the last run value about 10% lower bitrate for -qscale 32 (forman & some music video) worst case bitrate increase <0.1% (lossless or low qscale) and now the bad news, even though this just adds a single subtraction and an if() into the medium sized unpack_coeffs() loop and the if() will only be false once per unpac_coeff() call, gcc produces 50% slower code, i didnt look at the generated asm yet, not sure if i want to ... Originally committed as revision 4131 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	f5a719287d	rescale coefficients during IDWT, that way the lifting steps are much simpler and faster Originally committed as revision 4119 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	a0a74ad9f0	increasing precission of the quantization parameter this is needed as the quantization stepsize for each subband is also in this precission and insignificant changes to the wavelet like scaling its coefficients slightly differently would lead to wildly variing PSNR and bitrate note, a encoder could also simply choose to leave the least significant bits of the quantization parameters zero which would give the exact previous behaviour except a y very tiny number of bits in the header Originally committed as revision 4115 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	538a38418c	10% faster unpack_coeffs Originally committed as revision 4108 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	3cff4572ce	fixing lossless snow Originally committed as revision 4107 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	d13eef3d3d	snow regression test Originally committed as revision 4100 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Calcium	58d2a1506d	28_fix_parameters_in_G726.patch by (Calcium \| calcium nurs or jp) Originally committed as revision 4070 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	8272de4ea2	fix time stored in mov based upon 23_fix_timestamp_in_mov.patch by (Calcium \| calcium nurs or jp) Originally committed as revision 4067 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	6c13c880fa	trying to fix a few minor values in the mp4/mov muxer Originally committed as revision 4063 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	4a7d265176	sample_size fix Originally committed as revision 4043 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	625d98a319	set global_quality Originally committed as revision 4042 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	420370d4aa	switch MPEG4 fourcc to FMP4 Originally committed as revision 3972 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	9499ebff8d	checksum change due to (don't crash on null codec patch which changed the stored length of the compressor name, movenc.c 1.28->1.29) Originally committed as revision 3950 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	5dc18027d5	max/avg bitrate change (movenc.c 1.25->1.26) Originally committed as revision 3947 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	a749c8d6e5	regression test checksum change due to the mov header field and compressor name patch (movenc.c 1.24->1.25) Originally committed as revision 3946 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	976709ee73	compare audio files 16bit wise instead of 8bit additionally compare the mp2 case with some delay as this matches better (the delay issue obviously should be fixed) Originally committed as revision 3922 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	a7a858996f	dithering for the mpeg audio decoder Originally committed as revision 3903 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	16dd93ab6a	quick and dirty PSNR check for audio Originally committed as revision 3902 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	dd4f8a04fe	jpeg style yuv fixes Originally committed as revision 3852 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	c50cd09dd5	rv20 regression test Originally committed as revision 3740 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	80016c48b0	rm encoding fix Originally committed as revision 3736 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Loren Merritt	f37b9768f6	split ffhuffyuv into 2 codecs: "huffyuv" is compatible with the official version "ffvhuff" contains our improvements Originally committed as revision 3720 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	7f8038ce88	mv/mb reuse regression test Originally committed as revision 3686 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Maarten Daniels	ccff9da62a	H261 fixing and cleaning: -corrected wrong value in mv data -set correct mb_type after adjusting index -don't use H263 loop filter when the loop filter flag is set but when using the H261 encoder -use the same unquantizer as H263 (which is optimized btw) -removed unused members in H261Context patch by (Maarten Daniels <maarten.daniels >at< luc >dot< ac >dot< be>) regression test checksum update by me Originally committed as revision 3669 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	d34a07466f	switch ffv1 to the put/get_symbol() from snow Originally committed as revision 3659 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	880eae9c50	switch ffv1 from CABAC to the range coder Originally committed as revision 3658 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	9740687b6b	fix and cleanup h261 mb_type selection Originally committed as revision 3647 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	61b262a90a	h.261 regression test Originally committed as revision 3644 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	4e255822e5	100l (dont reset the sample position at the block end) Originally committed as revision 3618 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	c4f8d5d9f9	write shorter headers if possible Originally committed as revision 3494 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Loren Merritt	ee598f7ba4	(non)interlaced huffyuv patch by (Loren Merritt <lorenm at u dot washington dot edu>) Originally committed as revision 3473 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Alex Beregszaszi	b2a1c77162	try to select w/h from tables Originally committed as revision 3443 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Loren Merritt	952b32c0ad	Always write VOL control parameters, needed by old xvid patch by (Loren Merritt <lorenm at u dot washington dot edu>) Originally committed as revision 3432 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	bb22e8b175	10l (lrintf(a)+b vs. lrintf(a+b)) Originally committed as revision 3391 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	7a04636485	svq1 mv array size fix Originally committed as revision 3361 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	e6cf9be59b	use non zero qscale for svq1 test Originally committed as revision 3358 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago
Michael Niedermayer	5d79ddc9b1	10l (fixes delayed frames during encoding) Originally committed as revision 3279 to svn://svn.ffmpeg.org/ffmpeg/trunk	21 years ago

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151 Commits (a588a2c65464be9a3a6b5a407a3347ad770ac351)