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path: root/libavcodec/ra288.c
AgeCommit message (Collapse)Author
2009-04-13Rename bitstream.h to get_bits.h.Stefano Sabatini
Originally committed as revision 18494 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-04-07Implement avcodec_decode_video2(), _audio3() and _subtitle2() which takes anThilo Borgmann
AVPacket argument rather than a const uint8_t *buf + int buf_size. This allows passing of packet-specific flags from demuxer to decoder, such as the keyframe flag, which appears necessary to playback corePNG P-frames. Patch by Thilo Borgmann thilo.borgmann googlemail com, see also the thread "Google Summer of Code participation" on the mailinglist. Originally committed as revision 18351 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-24Do not reimplement ff_celp_lp_synthesis_filterf().Vitor Sessak
Originally committed as revision 17562 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-10-31Use ff_dot_productf() in ra288.cVitor Sessak
Originally committed as revision 15757 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-26Simplify: avoid duplication backward_filter()Vitor Sessak
Originally committed as revision 15428 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-26Do instead of divising a float by a constant, multiply by its inverseVitor Sessak
Originally committed as revision 15417 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-25Move constant multiplication out of the loopVitor Sessak
Originally committed as revision 15404 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-25Cosmetics: move convolve() together with the other DSP functionsVitor Sessak
Originally committed as revision 15403 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-25Simplify: move division by constant off the loopVitor Sessak
Originally committed as revision 15402 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-24Merge the 2 lpc loops.Michael Niedermayer
This changes the output by (stddev: 0.21 PSNR:109.51, file:ddinterview28.ra), the changes are due to float rounding inaccuracies and do not happen if doubles are used. Originally committed as revision 15394 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-24Factorize lpc code slightly.Michael Niedermayer
Originally committed as revision 15393 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-17Use SAMPLE_FMT_FLT instead of doing the float->int conversion in theVitor Sessak
decoder. This changes the output very little and any difference should be inaudible. Originally committed as revision 15343 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-13Cosmetics: line breaksVitor Sessak
Originally committed as revision 15308 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-13Simplify: use a single history buffer for gain and a single one forVitor Sessak
speech instead of having two for each in the context. Originally committed as revision 15307 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-11Cosmetics: align spec referencesVitor Sessak
Originally committed as revision 15300 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-11Rename function: s/colmult/apply_window/Vitor Sessak
Originally committed as revision 15299 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-11misc spelling/wording/grammar fixesDiego Biurrun
Originally committed as revision 15296 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-10Convert table to integer.Vitor Sessak
Originally committed as revision 15292 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04Avoid duplicating compute_lpc_coefs() function in both the RA288 and AAC ↵Vitor Sessak
decoders. Originally committed as revision 15193 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06Check *data_size in decode_frame()Vitor Sessak
Originally committed as revision 14636 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06Cosmetics: alignmentVitor Sessak
Originally committed as revision 14635 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06Flip (by making buf[i] -> buf[size-i-1]) two buffers: {sp,gain}_block. ThisVitor Sessak
needs duplicating a few loops, but now the code is clearer. Originally committed as revision 14634 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-05Rename prodsum() function to convolve()Vitor Sessak
Originally committed as revision 14615 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-31Modify all codecs to report their supported input and output sample format(s).Peter Ross
Originally committed as revision 14482 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-29Do not declare a counter as unsigned when it is not neededVitor Sessak
Originally committed as revision 14469 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-29Cosmetics: rename loop counter vars to i,jVitor Sessak
Originally committed as revision 14468 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Cosmetics: new lineVitor Sessak
Originally committed as revision 14457 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Remove the now useless phase variable from contextVitor Sessak
Originally committed as revision 14456 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Cosmetics: make comment match var nameVitor Sessak
Originally committed as revision 14454 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Cosmetics: align commentsVitor Sessak
Originally committed as revision 14453 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Rename two context vars: s/sb/sp_block/, s/lhist/gain_block/Vitor Sessak
Originally committed as revision 14452 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Declare temporary buffers to be only of the necessary sizeVitor Sessak
Originally committed as revision 14451 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Remove redundant commentsVitor Sessak
Originally committed as revision 14450 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Cosmetics: do not align with now removed next instructionVitor Sessak
Originally committed as revision 14449 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Cosmetics: remove braces and useless newlineVitor Sessak
Originally committed as revision 14448 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Change the way the input is passed to do_hybrid_filter(). Before, in[0] wasVitor Sessak
the oldest input sample passed and in[n-1] was the latest. Now it is the contrary. This allows making backward_filter() somewhat simpler. Originally committed as revision 14447 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Remove RA288Context.output buffer. This buffer is just RA288Context.sbVitor Sessak
backwards (output[i] == sb[N-i], where N is the buffer length). This makes the code slower, this will be fixed in my next commit. Originally committed as revision 14446 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Add a few comments pointing to the G.728 specificationVitor Sessak
Originally committed as revision 14444 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Remove the history buffer from the context. It can easily be evaluatedVitor Sessak
from the lhist buffer. Originally committed as revision 14443 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Rename two context buffers: pr{1,2} -> {sp,gain}_lpc. Also add a few doxyVitor Sessak
comments. Originally committed as revision 14437 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Remove st1 and st2 temporary buffers in backward_filter() and use insteadVitor Sessak
RA288Context.pr{1,2}. Note that the pr{1,2} buffers are one unity smaller than the st{1,2} buffers. My guess is that the original coder decided to add one to the array sizes "just to be sure". Originally committed as revision 14435 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-28Change slightly the meaning of RA288Context.phase. ThisVitor Sessak
allows to remove two intermediary buffers and avoid a few memcpy's. Originally committed as revision 14432 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26Remove st1 and st2 variables from context, since they could be just local varsVitor Sessak
Originally committed as revision 14421 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26Rename st{1,2}{a,b} context variables to more meaningful names: ↵Vitor Sessak
{sp,gain}_{rec,hist} Originally committed as revision 14420 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26Cosmetics: remove useless parenthesisVitor Sessak
Originally committed as revision 14418 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26Move colmult() function to the beginning of file to group DSP-related functions.Vitor Sessak
Originally committed as revision 14417 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26Remove an useless comment describing colmult()Vitor Sessak
Originally committed as revision 14416 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26Remove an useless comment describing prodsum()Vitor Sessak
Originally committed as revision 14415 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26Give the context variables of ra288 a better name: s/glob/ractx/Vitor Sessak
Originally committed as revision 14414 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-26Give the context structure of ra288 a better name: ↵Vitor Sessak
s/Real288_internal/RA288Context/ Originally committed as revision 14413 to svn://svn.ffmpeg.org/ffmpeg/trunk
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