FFmpeg

Commit Graph

Author	SHA1	Message	Date
Alex Converse	bbeb29133b	adpcm: Clip step_index values read from the bitstream at the beginning of each frame. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind	13 years ago
Michael Niedermayer	7b9d8703f3	adpcmdec: fix "warning: array subscript is above array bounds" Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Justin Ruggles	02e7dbf5ad	adpcm_ima_ws: fix stereo decoding Stereo ADPCM IMA WS is planar for VQA version 3 and 2-sample interleaved for VQA version 2.	13 years ago
Justin Ruggles	220506d23f	avcodec: add a new codec_id for CRYO APC IMA ADPCM. The stereo layout and extradata is significantly different from that in Westwood IMA ADPCM, so a separate codec_id is warranted.	13 years ago
Janne Grunau	bb5b3940b0	adpcm: ADPCM Electronic Arts has always two channels	13 years ago
Paul B Mahol	01a01bf8bd	adpcm: fix IMA SMJPEG decoding Signed-off-by: Janne Grunau <janne-libav@jannau.net>	13 years ago
Michael Niedermayer	608708009f	adpcm: Fix crash Fixes half of Ticket794 Bug found by: Oana Stratulat Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Shitiz Garg	e614fac2e6	adpcm: Check for channels to be a non-zero integer channels would be 0 sometimes and would cause floating point exception Fixes bugzilla #124 Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>	13 years ago
Michael Niedermayer	257c85cddd	adpcm: fix division by zero in fate/creative/intro-partial.wav with -s 2 and -r 0.001:1 Bug-Found-by: Shitiz Garg Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Justin Ruggles	0eea212943	Add avcodec_decode_audio4(). Deprecate avcodec_decode_audio3(). Implement audio support in avcodec_default_get_buffer(). Implement the new audio decoder API in all audio decoders.	13 years ago
Mans Rullgard	c8477df019	adpcm: use sign_extend() This avoids warnings from the overflow checker and simplifies the code. Signed-off-by: Mans Rullgard <mans@mansr.com>	13 years ago
Justin Ruggles	a62c0f94ee	adpcmdec: calculate actual number of output samples for each decoder. This also allows for removing some of the buf_size checks and using the sample count for some of the decoding loops.	13 years ago
Justin Ruggles	439998e18b	adpcmdec: check remaining buffer size before decoding next block in the ADPCM IMA WAV decoder.	13 years ago
Justin Ruggles	ff5790c761	adpcmdec: do not terminate early in ADPCM IMA Duck DK3 decoder. There are still 2 nibbles to decode once the last byte in the packet has been read. Updated FATE reference.	13 years ago
Justin Ruggles	8140a1288f	adpcmdec: remove unneeded buf_size==0 check. This is already done by avcodec_decode_audio3()	13 years ago
Justin Ruggles	f7f7c1942b	adpcmdec: remove unneeded zeroing of *data_size	13 years ago
Laurent Aimar	c7f89064e2	adpcm: fix out of bound reads due to integer overflow Signed-off-by: Janne Grunau <janne-libav@jannau.net>	13 years ago
Laurent Aimar	346876ec16	Fix out of bound reads due to integer overflow in the ADPCM IMA Electronic Arts EACS decoder. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Justin Ruggles	e562fbd003	adpcm: move codec-specific variable declarations to the sections for the corresponding codecs.	13 years ago
Justin Ruggles	9662539c10	adpcm: check buffer size in Funcom ISS decoder before reading header. Also use the post-header data size to control termination of the main decoding loop.	13 years ago
Justin Ruggles	ba5d2890d7	adpcm: simplify reading of Funcom ISS frame header.	13 years ago
Justin Ruggles	5c9eb4fabb	adpcm: check buffer size in IMA DK4 decoder before reading header. Also use the post-header data size to control termination of the main decoding loop.	13 years ago
Justin Ruggles	a57ea1a87e	adpcm: simplify reading of IMA DK4 frame header.	13 years ago
Justin Ruggles	8114f94ac9	adpcm_ms: clean up reading of predictor coefficients	13 years ago
Justin Ruggles	943f4db552	adpcm_4xm: process planar packets sequentially rather than simultaneously. Also properly clip the right channel step_index.	13 years ago
Justin Ruggles	119974b164	adpcm_ima_wav: process channel-interleaved blocks sequentially rather than simultaneously. Speeds up the ADPCM IMA WAV decoder by 15-20% overall.	13 years ago
Justin Ruggles	7c287b18a0	adpcm: update reference links Add Multimedia Wiki link. Mark dead links with [dead]. Some can still be accessed through archive.org. Update URLs for pages which have moved. Replace duplicated links in adpcmenc.c with a note to see the ADPCM decoder reference documents.	13 years ago
Justin Ruggles	ac94b8bcc6	adpcm: simplify packet size bounds checking in the ADPCM IMA QT decoder. This is easier to understand. It also avoids returning existing samples mixed with new samples when the packet is too small.	13 years ago
Justin Ruggles	de0b586a87	adpcm: simplify and speed up several ADPCM decoders.	13 years ago
Justin Ruggles	5a9ed7c110	adpcm: pretty-print tables	13 years ago
Diego Biurrun	8671488799	Use explicit struct initializers for AVCodec declarations.	13 years ago
Baptiste Coudurier	bf334535b4	adpcmdec: Fix QT IMA ADPCM decoder Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Peter Ross	3a549eb82b	permit decoding of multichannel ADPCM_EA_XAS Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Reimar Döffinger	ffe92ff9f0	Fix input buffer size check in adpcm_ea decoder. Unfortunately the output buffer size check assumes that the input buffer is never over-consumed, thus this actually also allowed to write outside the output buffer if "lucky". Based on: git.videolan.org/ffmpeg.git commit `701d0eb185`	13 years ago
Justin Ruggles	826c56d16e	adpcm: split ADPCM encoders and decoders into separate files. Move shared tables to a separate file as well.	13 years ago
Carl Eugen Hoyos	eb29649cad	Set bits_per_coded_sample when encoding ADPCM.	13 years ago
Michael Niedermayer	af3c8f8230	adpcmenc:Optimize adpcm_ima_qt_compress_sample() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	14 years ago
Baptiste Coudurier	35d3d44a84	adpcmenc: fix QT IMA ADPCM encoder Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	14 years ago
Baptiste Coudurier	b3d5a4b06e	adpcmdec: Fix QT IMA ADPCM decoder Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	14 years ago
Peter Ross	b678d6db95	permit decoding of multichannel ADPCM_EA_XAS Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	14 years ago
Reimar Döffinger	701d0eb185	Fix input buffer size check in adpcm_ea decoder. Unfortunately the output buffer size check assumes that the input buffer is never over-consumed, thus this actually also allowed to write outside the output buffer if "lucky".	14 years ago
Mans Rullgard	2912e87a6c	Replace FFmpeg with Libav in licence headers Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Mans Rullgard	98ec828775	Remove final semicolon from some macros This avoids double semicolons after macro expansion. Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit `44adbebe17`)	14 years ago
Mans Rullgard	44adbebe17	Remove final semicolon from some macros This avoids double semicolons after macro expansion. Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Diego Elio Pettenò	e7e2df27f8	Add ff_ prefix to data symbols of encoders, decoders, hwaccel, parsers, bsf. None of these symbols should be accessed directly, so declare them as hidden. Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit `d36beb3f69`)	14 years ago
Diego Elio Pettenò	d36beb3f69	Add ff_ prefix to data symbols of encoders, decoders, hwaccel, parsers, bsf. None of these symbols should be accessed directly, so declare them as hidden. Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Martin Storsjö	cfff297d98	adpcm: Skip samples whose ssd calculation has wrapped around Wraparound in ssd is mainly avoided by subtracting the ssd of the best node from all the others once it has grown large enough. If using very large trellis sizes (e.g. -trellis 15), the frontier is so large that the difference between the best and the worst is large enough to cause wraparound, even if the ssd of the best one is subtracted regularly. When using -trellis 10 on a 30 second sample, this causes only a slight slowdown, from 61 to 64 seconds. Originally committed as revision 25858 to svn://svn.ffmpeg.org/ffmpeg/trunk	14 years ago
Martin Storsjö	1a68e7ed15	adpcm: Fix a comment in the trellis heap code This makes the wording consistent with how people usually talk about heaps. Originally committed as revision 25775 to svn://svn.ffmpeg.org/ffmpeg/trunk	14 years ago
Martin Storsjö	78f9d35c9a	adpcm: Only increment heap_pos after finding a good enough sample This increases the PSNR slightly (about 0.1 dB) for trellis sizes below 8, and gives equal PSNR for sizes above that. Originally committed as revision 25769 to svn://svn.ffmpeg.org/ffmpeg/trunk	14 years ago
Martin Storsjö	d764e3ece9	adpcm: Use a hash table to improve checking for duplicate samples This lowers the run time from 158 to 21 seconds, for -trellis 8 with a 30 second sample on my machine. This requires 64 KB additional memory. Originally committed as revision 25768 to svn://svn.ffmpeg.org/ffmpeg/trunk	14 years ago

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316 Commits (042fc12344d6b86dceab114710d1f19442087df5)