Commit Graph
100 Commits
Author SHA1 Message Date
Alex Converse f7cf0f3148 Add WebM to the Matroska demuxer name.
Originally committed as revision 24639 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-08-01 00:30:37 +00:00
Alex Converse b6356d9726 10l: missed one reindent.
Originally committed as revision 24563 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-28 05:40:38 +00:00
Alex Converse 52fa20542b Reindent after last commit.
Originally committed as revision 24562 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-28 05:38:30 +00:00
Alex Converse d950497083 ff_prefix non static vp56 functions.
Originally committed as revision 24561 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-28 05:36:33 +00:00
Alex Converse ac3ccbc0e2 Document existing rules for AVInputFormat.name.
Originally committed as revision 24544 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-27 14:13:24 +00:00
Alex Converse 63e1278d88 aacenc: TLS: Save maximum values for each swb in a table.
This gives an almost 20% speedup.

Originally committed as revision 24484 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-24 17:11:51 +00:00
Alex Converse 031d5cea04 10l: Remove some commented out code that slipped in.
Originally committed as revision 24483 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-24 17:01:50 +00:00
Alex Converse fe461767e6 aacenc: TLS: Try to preserve some energy in each non-zero band.
Reduce scalefactors in non-zero bands that underflow by twice as much as those
in bands that just fail to hit psy targets.

Originally committed as revision 24482 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-24 16:36:01 +00:00
Alex Converse c226fc5bfb aacenc: Prevent premature termination of the two loop search.
Originally committed as revision 24476 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-24 04:23:26 +00:00
Alex Converse 81824fe059 aacdec: Only load and write each predictor variable once.
This is slightly faster and opens the door for further optimization.

Originally committed as revision 24475 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-24 02:57:08 +00:00
Alex Converse 70c99adb48 aacdec: 4% faster main profile decoding.
Originally committed as revision 24474 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-24 02:41:47 +00:00
Alex Converse 51ffd3a62f aacenc: Favor log2f() and sqrtf() over log2() and sqrt().
Originally committed as revision 24473 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-24 02:10:59 +00:00
Alex Converse 04d72abf17 aacenc: Factorize some scalefactor utilities.
Originally committed as revision 24472 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-23 22:37:42 +00:00
Alex Converse 581a96976b aacenc: Convert if () abort() to assert().
Originally committed as revision 24336 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-19 20:53:58 +00:00
Alex Converse 6d9f1b67e8 Cosmetics: Whitespace
Originally committed as revision 24333 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-19 18:37:45 +00:00
Alex Converse a2310d1e41 10l: Add a missing const.
Originally committed as revision 24274 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-16 20:28:55 +00:00
Alex Converse 1676b09994 aacenc: Template quantize_and_encode_band_cost().
Originally committed as revision 24273 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-16 20:02:46 +00:00
Alex Converse 49d3aab764 aacenc: psy_3gpp_init(): Fix line_to_frequency for short windows.
Originally committed as revision 24233 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-14 04:10:52 +00:00
Alex Converse cecaf7d71a aacenc: aac_psy_init(): Factorize line_to_frequency.
Originally committed as revision 24232 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-14 04:10:47 +00:00
Alex Converse d7194e3b73 aacenc: psy_3gpp_init(): Fix ath for the first line in each sfb.
Fix the MDCT line to frequency calculation for the first line in each sfb.
Use this value to calculate ATH.

Originally committed as revision 24231 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-14 04:10:41 +00:00
Alex Converse 886385afd6 aacenc: psy_3gpp_init(): Calculate barks on demand.
Originally committed as revision 24230 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-14 04:10:31 +00:00
Alex Converse afa4248e4e aacsbr: Eliminate double precision arithmetic.
Originally committed as revision 24227 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-13 00:49:30 +00:00
Alex Converse 1ac6da3988 aacdec: Eliminate the use of doubles in the MAIN predictor.
Originally committed as revision 24226 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-12 21:36:41 +00:00
Alex Converse 531cfe6e85 aacdec: Eliminate the use of doubles in decode_cce().
Originally committed as revision 24225 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-12 21:36:10 +00:00
Alex Converse 93c6ff6c8c aacdec: Use a LUT to generate CCE scale.
Originally committed as revision 24224 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-12 21:35:43 +00:00
Alex Converse 3cac899af9 Split the ADTS header decoder off of the ADTS parser.
The AAC decoder and ADTS-to-ASC BSF both require the header decoder
but not full parsing capabilities.

Originally committed as revision 24217 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-12 18:52:03 +00:00
Alex Converse 7167bc94cb aacdec: Remove the warning about non-meaningful window transitions.
It created false positives on seeks and where the first frame is STOP or SHORT.
It failed to warn in illegal SHORT->LONG transitions. In general it created
much confusion and many junk bug reports from the users.

Originally committed as revision 24214 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-12 18:24:22 +00:00
Alex Converse 6a59b98445 AAC fate2 tests.
Originally committed as revision 24163 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-10 16:51:04 +00:00
Alex Converse 267843844c Cosmetics: whitespace
Originally committed as revision 24100 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-07 21:50:50 +00:00
Alex Converse 03d5d9b900 aacenc: Enforce LFE bitstream restrictions.
Originally committed as revision 24099 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-07 21:48:51 +00:00
Alex Converse cfde3a7e13 Cosmetics: whitespace
Originally committed as revision 24093 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-07 20:03:15 +00:00
Alex Converse 5935f9d6bd Allow remuxing of explicitly signalled AAC files into ADTS.
The ADTS output files are not explicitly signaled because the format
does not support explicit signalling.

Originally committed as revision 23935 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-01 14:49:32 +00:00
Alex Converse 4e42debc8d aacenc: Start the lookahead pointer 1/4 of the way into the first short window.
Short windows are of length 256 and begin at sample 448.

Originally committed as revision 23871 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-28 21:50:57 +00:00
Alex Converse 75ef689884 aacenc: Fix window decision logic.
This keeps the encoder from switching away from an wight short sequence
prematurely when attacks are detected two frames in a row. It also allows for
the legal and useful LONG_STOP_SEQUENCE to LONG_START_SEQUENCE transition.

Originally committed as revision 23870 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-28 21:49:26 +00:00
Alex Converse 804d489c4a aacenc: Fill in the estimated codebook for the final computed scalefactor in the TLS.
Originally committed as revision 23869 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-28 21:42:57 +00:00
Alex Converse 7ca4a72f47 10l: Revert r23867. It didn't make any sense.
Originally committed as revision 23868 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-28 21:40:38 +00:00
Alex Converse 9a3fe1ae6e Make ff_psy_preprocess_end() act like av_freep().
Originally committed as revision 23867 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-28 21:36:19 +00:00
Alex Converse 072c0d605f aacenc: Properly pad extradata.
This fixes a valgrind error when encoding to ADTS.

Originally committed as revision 23866 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-28 21:34:57 +00:00
Alex Converse d6e0080175 Fix alphabetization of the CONFIG_HARDCODED_TABLES Makefile section.
Originally committed as revision 23741 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-23 19:32:02 +00:00
Alex Converse e29af81818 aactab: Tablegenify ff_aac_pow2sf_tab.
Originally committed as revision 23740 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-23 19:30:01 +00:00
Alex Converse fd6eb4a06c Move Parametric Stereo related ps* files to aacps*.
Originally committed as revision 23720 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-22 19:29:03 +00:00
Alex Converse 890fe85f26 Cosmetics whitespace.
Originally committed as revision 23712 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-22 19:06:35 +00:00
Alex Converse 19ed4b8647 aacdec: cosmetics: (more) whitespace
Originally committed as revision 23676 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-21 04:14:20 +00:00
Alex Converse d4e355d5c9 aacdec: cosmetics: whitespace
Originally committed as revision 23675 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-21 04:10:18 +00:00
Alex Converse ed99e54d67 aacdec: Factorize if (elem_type < TYPE_DSE).
Originally committed as revision 23674 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-21 04:07:19 +00:00
Alex Converse fda36b5944 aacdec: Handle the first frame being empty case.
Originally committed as revision 23673 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-21 04:05:09 +00:00
Alex Converse cf3b4d9a78 aacsbr: Make dk signed. There is no point in it being unsigned.
Originally committed as revision 23671 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 23:03:32 +00:00
Alex Converse e90e1f558a psdec: IPD/OPD reset is no longer needed by the context initializer.
Originally committed as revision 23670 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 22:13:43 +00:00
Alex Converse 5e071f5339 psdec: Simplify filter addressing by incrementing the "in" pointer.
Originally committed as revision 23669 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 22:08:33 +00:00
Alex Converse c6b0947171 psdec: Replace a division with a shift.
Originally committed as revision 23667 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 22:03:00 +00:00
Alex Converse 3fa1a93265 Rename PS bitstream reading functions to have a read_ prefix.
Originally committed as revision 23666 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 21:53:51 +00:00
Alex Converse fd16564b04 Cosmetics: whitespace.
Originally committed as revision 23663 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 20:13:11 +00:00
Alex Converse 0d6b3269ea Use memcpy() where appropriate in PS stereo processing remapping.
Originally committed as revision 23662 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 20:06:41 +00:00
Alex Converse d23077af56 Allow PS envelope fixup when ps->num_env_old <= 1.
It is already rejected by the "source >= 0 && source != ps->num_env" 0 envelope
case and is perfectly legally for the suppressed final envelope case.

Originally committed as revision 23661 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 19:38:08 +00:00
Alex Converse bd9e0e2905 10l: aacsbr: Fix f_master[2] calculation when k2diff == -1.
Originally committed as revision 23660 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 19:24:18 +00:00
Alex Converse 78ba1d39d9 Document the PS_BASELINE define.
Originally committed as revision 23659 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 17:28:52 +00:00
Alex Converse 284b041b1c Remove iid_mode from the PS context.
Originally committed as revision 23658 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-20 17:15:28 +00:00
Alex Converse 1076b0d093 psdec: Factorize iid/icc/ipd/opd parameter bitstream reading.
Originally committed as revision 23652 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-19 23:53:21 +00:00
Alex Converse a20639017b Add HE-AAC v2 support to the AAC decoder.
Originally committed as revision 23647 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-19 14:14:51 +00:00
Alex Converse bc330b5f15 Cosmetics: Fold constants and re-indent after last commit.
Originally committed as revision 23520 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-08 02:02:16 +00:00
Alex Converse 712209d567 Base downsampled SBR synthesis filterbank on a single IMDCT.
Based on Han-Wen Hsu, et al. "Fast Complex Quadrature Mirror Filterbanks for
MPEG-4 HE-AAC"

Originally committed as revision 23519 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-08 01:57:06 +00:00
Alex Converse 388c795531 10l: Fix types and now unused variables after last commit.
Originally committed as revision 23517 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-07 22:55:58 +00:00
Alex Converse 932963b8e2 Rewrite the SBR decoder QMF analysis filter on top of the IMDCT instead of the RDFT.
This is based on a procedure to implement the filterbank on the DCT-IV described in
Hsu, H.W. et al. "A Complex Quadrature Mirror Filterbanks for MPEG-4 HE-AAC"
http://sites.google.com/site/wenchiehlee1020/Papers/ComplexFB_AES_121paper144.pdf

Originally committed as revision 23516 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-07 21:52:08 +00:00
Alex Converse 614842a93d Cleanup apply_window_and_mdct().
Originally committed as revision 23495 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-05 19:41:52 +00:00
Alex Converse c909d48266 Whitespace cosmetics
Originally committed as revision 23491 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-05 15:36:16 +00:00
Alex Converse 8e5998f0ab aac: Move an initialization macro used only by the decoder out of the header.
Originally committed as revision 23490 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-05 15:31:57 +00:00
Alex Converse 77b8320a4d Rename aac.c to aacdec.c.
Originally committed as revision 23489 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-05 15:27:53 +00:00
Alex Converse dd8871a63b aacdec: Rename avccontext to avctx.
Originally committed as revision 23488 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-05 15:22:19 +00:00
Alex Converse 7caee063a0 aacdec: Work around illegal files with all elem_id tags set to the same value.
Fixes issue 1882.

Originally committed as revision 23439 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-03 02:17:49 +00:00
Alex Converse c91dce994d aacenc: Remove an unnecessary division from the TLS.
Originally committed as revision 23368 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-28 21:29:56 +00:00
Alex Converse 911fbc452b Cosmetics: whitespace
Originally committed as revision 23367 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-28 20:45:35 +00:00
Alex Converse 04d6a54e13 aacenc: Remove unnecessary variables and scopes in the TLS.
Originally committed as revision 23366 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-28 20:42:01 +00:00
Alex Converse e84c276f31 Mark AAC encoder as experimental.
Originally committed as revision 23350 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-27 14:46:31 +00:00
Alex Converse 1ed87f800f Parse and repack the first frame of H.264 in ASF because SPS+PPS lives in its own packet.
Originally committed as revision 23333 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-26 04:22:52 +00:00
Alex Converse 74a6df59e3 Add an AVSTREAM_PARSE_FULL_ONCE parsing mode to parse headers and combine packets once and only once.
Originally committed as revision 23332 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-26 04:20:32 +00:00
Alex Converse 9069b7d35f Fix declaration after statement
Originally committed as revision 23331 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-25 23:25:29 +00:00
Alex Converse 0ecfa7b7c7 aacenc: Split find_max_val() from find_min_book() to eliminate duplicate searches.
Originally committed as revision 23322 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-25 18:35:01 +00:00
Alex Converse af2ee6fc49 Remove useless costly inf checks from the trellis scalefactor search.
Originally committed as revision 23319 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-25 18:32:59 +00:00
Alex Converse acc9f51fe1 aacenc: Trellis over scalefactors using an estimated codebook rather than every codebook.
The minimal codebook to encode the band without clipping is used (as is done in the TLS).

Originally committed as revision 23318 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-25 18:31:55 +00:00
Alex Converse 144c5e3dd2 aacenc: Only trellis over a column of 61 scalefactors (reduced from 256).
This still provides plenty of dynamic range, makes every move legal, and greatly reduces the search space.

Originally committed as revision 23317 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-25 18:28:18 +00:00
Alex Converse 05e659ef83 aacenc: Factor out find_min_book so it can be used by multiple coefficient coders.
Originally committed as revision 23316 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-25 18:24:16 +00:00
Alex Converse c2341b8596 Add a chomp BSF to consume zero padding at the end of a packet.
Originally committed as revision 23196 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-19 20:18:40 +00:00
Alex Converse c16d5a6f14 Make aac_decode_frame() consume zero padding at the end of a packet.
Originally committed as revision 23195 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-19 20:18:34 +00:00
Alex Converse 0175d7886f fmaxf -> FFMAX to fix pre-C99 systems
Originally committed as revision 23138 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-14 19:38:17 +00:00
Alex Converse 759510e6af aacenc: Add a rate only trellis for codebook selection for the TLS.
Originally committed as revision 23136 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-14 16:49:51 +00:00
Alex Converse 4d986b7172 aacenc: Use exact values when quantizing, not fuzzy values.
This requires us to code small escapes; we can't avoid it.

Originally committed as revision 23135 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-14 16:49:40 +00:00
Alex Converse 51cbabc792 aacenc: Use an estimated codebook for the TLS (two loop search).
Originally committed as revision 23134 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-14 16:49:30 +00:00
Alex Converse 960323a230 aacenc: Select the TLS (two-loop search) as the default scalefactor coder.
Originally committed as revision 23133 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-14 16:49:21 +00:00
Alex Converse 31184aac87 aacenc: Fix psy logic.
Set band info before determining scalefactors. Use the look ahead for
windowing decision.

Originally committed as revision 23132 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-14 16:49:11 +00:00
Alex Converse 495af353db Set cur_channel in the AAC encoder context where needed.
Most coder functions read it. Carting this around in the context may be
suboptimal; a refactor should be considered.

Originally committed as revision 23094 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-11 18:53:49 +00:00
Alex Converse 46174079c9 10l: store the result of clipping added in r23035
Originally committed as revision 23037 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-06 20:38:42 +00:00
Alex Converse 217b44ddc3 Error out when too many bits per frame are requested.
Originally committed as revision 23036 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-06 20:35:10 +00:00
Alex Converse 32fa7725d2 Make the faac inspired quantizer search make sense for a slightly narrower definition of "make sense."
Originally committed as revision 23035 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-06 20:18:36 +00:00
Alex Converse 17d5959998 10l: The SBR refactor requires the use of 2 independent output X buffers.
Originally committed as revision 23014 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-03 19:21:35 +00:00
Alex Converse 2d23fecd5d Enforce time border monotonicity.
Thanks to Chromium.

Originally committed as revision 23000 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-30 23:32:42 +00:00
Alex Converse a91d82b5cc Move the SBR patch count check to prevent overwrites.
Thanks to Chromium.

Originally committed as revision 22999 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-30 23:08:44 +00:00
Alex Converse 10678e5c72 Increase size of patch_borders[].
6 patches means there can be 7 borders. Found by Chromium.

Originally committed as revision 22998 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-30 22:42:52 +00:00
Alex Converse d0dedce71d Reindent
Originally committed as revision 22996 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-30 21:43:29 +00:00
Alex Converse ca6d3f234c Rewrite ff_sbr_apply in a manner more friendly to PS.
This includes merging ff_sbr_dequant into ff_sbr_apply.

Originally committed as revision 22995 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-30 21:43:23 +00:00
Alex Converse bd744c4fd0 Declare myself (Alex Converse) AAC maintainer.
Approved by the previous maintainer Rob.

Originally committed as revision 22994 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-30 21:43:18 +00:00