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path: root/libavcodec/lpc.c
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2013-07-09ff_lpc_calc_coefs: assert that the type is levinson or choleskyMichael Niedermayer
Otherwise the code could misbehave (and there are no other types anyway) Fixes CID700759 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-30avcodec/lpc: Use a function pointer from an initialized contextMichael Niedermayer
Fixes null pointer dereference Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-30Merge commit 'c93ccf5a4cca722b39f05e9f5660b4cb75bc1740'Michael Niedermayer
* commit 'c93ccf5a4cca722b39f05e9f5660b4cb75bc1740': lpc: use levinson for the first pass of multipass cholesky Conflicts: libavcodec/lpc.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-30Merge commit '502ab21af0ca68f76d6112722c46d2f35c004053'Michael Niedermayer
* commit '502ab21af0ca68f76d6112722c46d2f35c004053': x86: lpc: simd av_update_lls The versions are bumped due to changes in lls.h which is used across libraries affecting intra library ABI (This version bump also covers changes to lls.h in the immedeatly previous commits) Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-30Merge commit '41578f70cf8aec8e7565fba1ca7e07f3dc46c3d2'Michael Niedermayer
* commit '41578f70cf8aec8e7565fba1ca7e07f3dc46c3d2': lpc: use function pointers, in preparation for asm Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-30Merge commit 'cc6714bb16b1f0716ba43701d47273dbe9657b8b'Michael Niedermayer
* commit 'cc6714bb16b1f0716ba43701d47273dbe9657b8b': lpc: remove "decay" argument Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-29lpc: use levinson for the first pass of multipass choleskyLoren Merritt
Levinson is faster, and cholesky is only needed if we want to apply different weights to different samples, which doesn't happen on the first pass. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-06-29x86: lpc: simd av_update_llsLoren Merritt
4x-6x faster on sandybridge Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-06-29lpc: use function pointers, in preparation for asmLoren Merritt
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-06-29lpc: remove "decay" argumentLoren Merritt
We never used the rolling-average mode, and this makes av_update_lls 15% faster. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-03-01Merge commit '9d4da474f5f40b019cb4cb931c8499deee586174'Michael Niedermayer
* commit '9d4da474f5f40b019cb4cb931c8499deee586174': lls: move to the private namespace Conflicts: libavutil/version.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-02-28lls: move to the private namespaceLuca Barbato
The functions are private.
2012-10-30Merge commit '14f031d7ecfabba0ef02776d4516aa3dcb7c40d8'Michael Niedermayer
* commit '14f031d7ecfabba0ef02776d4516aa3dcb7c40d8': dv: use AVStream.index instead of abusing AVStream.id lavfi: add ashowinfo filter avcodec: Add a RFC 3389 comfort noise codec lpc: Add a function for calculating reflection coefficients from samples lpc: Add a function for calculating reflection coefficients from autocorrelation coefficients lavr: document upper bound on number of output samples. lavr: add general API usage doxy indeo3: remove duplicate capabilities line. fate: ac3: Add dependencies Conflicts: Changelog doc/filters.texi libavcodec/Makefile libavcodec/allcodecs.c libavcodec/avcodec.h libavcodec/codec_desc.c libavcodec/version.h libavfilter/Makefile libavfilter/af_ashowinfo.c libavfilter/allfilters.c libavfilter/version.h libavutil/avutil.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-10-29lpc: Add a function for calculating reflection coefficients from samplesMartin Storsjö
Signed-off-by: Martin Storsjö <martin@martin.st>
2012-10-28lpc: check that lpc_type is valid in ff_lpc_calc_coefsMichael Niedermayer
Fixes CID700759 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-10-08Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: x86: vc1: call ff_vc1dsp_init_x86() under if (ARCH_X86) x86: cavs: call ff_cavsdsp_init_x86() under if (ARCH_X86) x86: call most of the x86 dsp init functions under if (ARCH_X86) doc: support the new website layout doc: remove a warning from filters.texi doc: initial nut documentation segment: drop global headers setting lavu: fix typo in Makefile Conflicts: doc/Makefile doc/filters.texi doc/t2h.init libavcodec/fmtconvert.c libavcodec/proresdsp.c libavcodec/x86/Makefile libavcodec/x86/vc1dsp_mmx.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-10-08x86: call most of the x86 dsp init functions under if (ARCH_X86)Janne Grunau
Rename the called dsp init functions to *_init_x86.
2012-08-23Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: doc/APIchanges: add an entry for codec descriptors. vorbisenc: set AVCodecContext.bit_rate to 0 vorbisenc: fix quality parameter FATE: add ALAC encoding tests lpc: fix alignment of windowed samples for odd maximum LPC order alacenc: use s16p sample format as input alacenc: remove unneeded sample_fmt check alacenc: fix max_frame_size calculation for the final frame adpcm_swf: Use correct sample offsets when using trellis. rtmp: support strict rtmp servers mjpegdec: support AVRn interlaced x86: remove FASTDIV inline asm Conflicts: doc/APIchanges libavcodec/mjpegdec.c libavcodec/vorbisenc.c libavutil/x86/intmath.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-08-23lpc: fix alignment of windowed samples for odd maximum LPC orderJustin Ruggles
Fixes crash on x86 due to alignment requirements for w_data in lpc_apply_welch_window_sse2().
2012-08-16Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: Fix even more missing includes after the common.h removal build: Factor out rangecoder dependencies to CONFIG_RANGECODER build: Factor out error resilience dependencies to CONFIG_ERROR_RESILIENCE x86: avcodec: Consistently name all init files Add more missing includes after removing the implicit common.h Add some more missing includes after removing the implicit common.h Don't include common.h from avutil.h rtmp: Automatically compute the hash for SWFVerification Conflicts: configure doc/APIchanges doc/examples/decoding_encoding.c libavcodec/Makefile libavcodec/assdec.c libavcodec/audio_frame_queue.c libavcodec/avpacket.c libavcodec/dv_profile.c libavcodec/dwt.c libavcodec/libtheoraenc.c libavcodec/rawdec.c libavcodec/rv40dsp.c libavcodec/tiff.c libavcodec/tiffenc.c libavcodec/v210dec.h libavcodec/vc1dsp.c libavcodec/x86/Makefile libavfilter/asrc_anullsrc.c libavfilter/avfilter.c libavfilter/buffer.c libavfilter/formats.c libavfilter/vf_ass.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_select.c libavfilter/video.c libavfilter/vsrc_testsrc.c libavformat/version.h libavutil/audioconvert.c libavutil/error.h libavutil/version.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-08-15Don't include common.h from avutil.hMartin Storsjö
Signed-off-by: Martin Storsjö <martin@martin.st>
2012-07-06lpc: use default number of passes when lpc_passes is invalidMichael Niedermayer
Should fix valgrind failure (uninitialized vars) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-06-28lpc: use av_assertMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-02-07Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: Revert "v210enc: use FFALIGN()" doxygen: Do not include license boilerplates in Doxygen comment blocks. avplay: reset decoder flush state when seeking ape: skip packets with invalid size ape: calculate final packet size instead of guessing ape: stop reading after the last frame has been read ape: return AVERROR_EOF instead of AVERROR(EIO) when demuxing is finished ape: return error if seeking to the current packet fails in ape_read_packet() avcodec: Clarify AVFrame member documentation. v210dec: check for coded_frame allocation failure v210enc: use stride as it is already calculated v210enc: use FFALIGN() v210enc: return proper AVERROR codes instead of -1 v210enc: do not set coded_frame->key_frame v210enc: check for coded_frame allocation failure drawtext: add 'fix_bounds' option on coords fixing drawtext: fix text_{w, h} expression vars drawtext: add missing braces around an if() block. Conflicts: libavcodec/arm/vp8.h libavcodec/arm/vp8dsp_init_arm.c libavcodec/v210dec.c libavfilter/vf_drawtext.c libavformat/ape.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-02-06doxygen: Do not include license boilerplates in Doxygen comment blocks.Diego Biurrun
2011-12-22Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: (27 commits) asfdec: add side data to ASFStream packet instead of output packet. idroqdec: set AVFMTCTX_NOHEADER and create streams as they occur. nellymoserdec: Indicate that the decoder can handle changed parameters libavcodec: Apply parameter change side data when decoding audio flvdec: Add param change side data if the sample rate or channels have changed libavformat: Add a utility function for adding parameter change side data libavcodec: Define a side data type for parameter changes aacdec: Handle new extradata passed as side data flvdec: Export new AAC/H.264 extradata as side data on the next packet libavcodec: Define a side data type for new extradata flacdec: skip all track indices at once instead of looping. mxf: Add PictureEssenceCoding UL for V210. mxfdec: consider QuantizationBits between 17 and 24 to be pcm_s24* mxfenc: Add support for MPEG-2 MP@HL-14 in mxf container. mxf: H.264/MPEG-4 AVC Intra support configure: Show whether the safe bitstream reader is enabled x86: Tighten register constraints for decode_significance*_x86. Replace Subversion revisions in comments by Git hashes. h264_cabac: synchronize decode_significance_*_x86 conditionals w32threads: wait for the waked thread in pthread_cond_signal. ... Conflicts: libavcodec/avcodec.h libavcodec/version.h libavformat/flvdec.c libavformat/utils.c tests/ref/lavfi/pixdesc tests/ref/lavfi/pixfmts_copy tests/ref/lavfi/pixfmts_null tests/ref/lavfi/pixfmts_scale tests/ref/lavfi/pixfmts_vflip Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-12-21Replace Subversion revisions in comments by Git hashes.Diego Biurrun
2011-07-14Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: APIchanges: fill in missing hashes and dates. Add an APIChanges entry and bump minor versions for recent changes. ffmpeg: print the low bitrate warning after the codec is openend. doxygen: Move function documentation into the macro generating the function. doxygen: Make sure parameter names match between .c and .h files. h264: move fill_decode_neighbors()/fill_decode_caches() to h264_mvpred.h H.264: Add more x86 assembly for 10-bit H.264 predict functions lavf: fix invalid reads in avformat_find_stream_info() cmdutils: replace opt_default with opt_default2() and remove set_context_opts ffmpeg: use new avcodec_open2 and avformat_find_stream_info API. ffplay: use new avcodec_open2 and avformat_find_stream_info API. cmdutils: store all codec options in one dict instead of video/audio/sub ffmpeg: check experimental flag after codec is opened. ffmpeg: do not set GLOBAL_HEADER flag in the options context Conflicts: cmdutils.c doc/APIchanges ffmpeg.c ffplay.c libavcodec/version.h libavformat/version.h libswscale/swscale_unscaled.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-07-14doxygen: Make sure parameter names match between .c and .h files.Diego Biurrun
2011-07-04Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: (40 commits) H.264: template left MB handling H.264: faster fill_decode_caches H.264: faster write_back_* H.264: faster fill_filter_caches H.264: make filter_mb_fast support the case of unavailable top mb Do not include log.h in avutil.h Do not include pixfmt.h in avutil.h Do not include rational.h in avutil.h Do not include mathematics.h in avutil.h Do not include intfloat_readwrite.h in avutil.h Remove return statements following infinite loops without break RTSP: Doxygen comment cleanup doxygen: Escape '\' in Doxygen documentation. md5: cosmetics md5: use AV_WL32 to write result md5: add fate test md5: include correct headers md5: fix test program doxygen: Drop array size declarations from Doxygen parameter names. doxygen: Fix parameter names to match the function prototypes. ... Conflicts: libavcodec/x86/dsputil_mmx.c libavformat/flvenc.c libavformat/oggenc.c libavformat/wtv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-07-03doxygen: Fix parameter names to match the function prototypes.Diego Biurrun
2011-05-11Merge remote branch 'qatar/master'Michael Niedermayer
* qatar/master: (30 commits) AVOptions: make default_val a union, as proposed in AVOption2. arm/h264pred: add missing argument type. h264dsp_mmx: place bracket outside #if/#endif block. lavf/utils: fix ff_interleave_compare_dts corner case. fate: add 10-bit H264 tests. h264: do not print "too many references" warning for intra-only. Enable decoding of high bit depth h264. Adds 8-, 9- and 10-bit versions of some of the functions used by the h264 decoder. Add support for higher QP values in h264. Add the notion of pixel size in h264 related functions. Make the h264 loop filter bit depth aware. Template dsputil_template.c with respect to pixel size, etc. Template h264idct_template.c with respect to pixel size, etc. Preparatory patch for high bit depth h264 decoding support. Move some functions in dsputil.c into a new file dsputil_template.c. Move the functions in h264idct into a new file h264idct_template.c. Move the functions in h264pred.c into a new file h264pred_template.c. Preparatory patch for high bit depth h264 decoding support. Add pixel formats for 9- and 10-bit yuv420p. Choose h264 chroma dc dequant function dynamically. ... Conflicts: doc/APIchanges ffmpeg.c ffplay.c libavcodec/alpha/dsputil_alpha.c libavcodec/arm/dsputil_init_arm.c libavcodec/arm/dsputil_init_armv6.c libavcodec/arm/dsputil_init_neon.c libavcodec/arm/dsputil_iwmmxt.c libavcodec/arm/h264pred_init_arm.c libavcodec/bfin/dsputil_bfin.c libavcodec/dsputil.c libavcodec/h264.c libavcodec/h264.h libavcodec/h264_cabac.c libavcodec/h264_cavlc.c libavcodec/h264_loopfilter.c libavcodec/h264_ps.c libavcodec/h264_refs.c libavcodec/h264dsp.c libavcodec/h264idct.c libavcodec/h264pred.c libavcodec/mlib/dsputil_mlib.c libavcodec/options.c libavcodec/ppc/dsputil_altivec.c libavcodec/ppc/dsputil_ppc.c libavcodec/ppc/h264_altivec.c libavcodec/ps2/dsputil_mmi.c libavcodec/sh4/dsputil_align.c libavcodec/sh4/dsputil_sh4.c libavcodec/sparc/dsputil_vis.c libavcodec/utils.c libavcodec/version.h libavcodec/x86/dsputil_mmx.c libavformat/options.c libavformat/utils.c libavutil/pixfmt.h libswscale/swscale.c libswscale/swscale_internal.h libswscale/swscale_template.c tests/ref/seek/lavf_avi Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-05-10lavc: move some flac-specific options to its private context.Anton Khirnov
2011-03-19Replace FFmpeg with Libav in licence headersMans Rullgard
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-01-23cosmetics related to LPC changes.Justin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 1c189fc5334d4a687b15861d81d22c8ba2c9cd5e)
2011-01-23Separate window function from autocorrelation.Justin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 77a78e9bdcc589efac41da4f92a489f4523667c0)
2011-01-23Move lpc_compute_autocorr() from DSPContext to a new struct LPCContext.Justin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 56f8952b252f85281317ecd3e0b04c4cae93fd72)
2011-01-21cosmetics related to LPC changes.Justin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-01-21Separate window function from autocorrelation.Justin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-01-21Move lpc_compute_autocorr() from DSPContext to a new struct LPCContext.Justin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com>
2010-07-11Add AVCodecContext.lpc_type and Add AVCodecContext.lpc_passes fields.Justin Ruggles
Add AVLPCType enum. Deprecate AVCodecContext.use_lpc. Originally committed as revision 24199 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-30Fix grammar errors in documentationMåns Rullgård
Originally committed as revision 23904 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-10-18Move autocorrelation function from flacenc.c to lpc.c. Also rename theJustin Ruggles
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
2009-02-14lpc: Remove false positive compilation warning about weight beingPatrik Kullman
uninitialized. Patch by Patrik Kullman (patrik A yes D nu). Originally committed as revision 17218 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-14Assert that ff_lpc_calc_coefs() is called with a valid LPC method.Patrik Kullman
Patch by Patrik Kullman (patrik A yes D nu). Originally committed as revision 17217 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-14lpc: Document the use_lpc parameter to ff_lpc_calc_coefs().Patrik Kullman
Patch by Patrik Kullman (patrik A yes D nu). Originally committed as revision 17216 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
2008-08-31Misc cosmetics in compute_lpc_coefs(): braces removal and empty linesVitor Sessak
Originally committed as revision 15093 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31Remove useless var in compute_lpc_coefs()Vitor Sessak
Originally committed as revision 15091 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31Merge declaration and initialization of a few vars in compute_lpc_coefs()Vitor Sessak
Originally committed as revision 15088 to svn://svn.ffmpeg.org/ffmpeg/trunk
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