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path: root/libavcodec/ac3enc.c
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* lavc: Add missing #includes for ff_dlog()Diego Biurrun2016-01-03
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* lavc: AV-prefix all codec flagsVittorio Giovara2015-07-27
| | | | | | Convert doxygen to multiline and express bitfields more simply. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* lavc: Replace av_dlog and tprintf with internal macrosVittorio Giovara2015-04-19
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* lavc: use a separate field for exporting audio encoder paddingAnton Khirnov2014-10-13
| | | | | | | | | | | | | | Currently, the amount of padding inserted at the beginning by some audio encoders, is exported through AVCodecContext.delay. However - the term 'delay' is heavily overloaded and can have multiple different meanings even in the case of audio encoding. - this field has entirely different meanings, depending on whether the codec context is used for encoding or decoding (and has yet another different meaning for video), preventing generic handling of the codec context. Therefore, add a new field -- AVCodecContext.initial_padding. It could conceivably be used for decoding as well at a later point.
* dsputil: Split motion estimation compare bits off into their own contextDiego Biurrun2014-07-17
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* dsputil: Split audio operations off into a separate contextDiego Biurrun2014-06-22
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* ac3: Only initialize float_dsp for the float encoder variantDiego Biurrun2014-06-13
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* Remove commented-out debug #define cruftDiego Biurrun2013-05-16
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* avcodec: Add av_cold attributes to init functions missing themDiego Biurrun2013-05-04
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* lavc: remove disabled FF_API_OLD_ENCODE_AUDIO cruftAnton Khirnov2013-03-09
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* dsputil: Move LOCAL_ALIGNED macros to libavutilDiego Biurrun2013-02-08
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* miscellaneous typo fixesDiego Biurrun2012-12-21
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* Include libavutil/channel_layout.h instead of libavutil/audioconvert.hJustin Ruggles2012-11-11
| | | | Also reorder some other #include when applicable.
* Replace all CODEC_ID_* with AV_CODEC_ID_*Anton Khirnov2012-08-07
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* Add a float DSP framework to libavutilJustin Ruggles2012-06-08
| | | | Move vector_fmul() from DSPContext to AVFloatDSPContext.
* avutil: Add av_get_default_channel_layout()Justin Ruggles2012-04-05
| | | | Also, use the new function in the AC-3 encoder.
* ac3enc: update to AVCodec.encode2()Justin Ruggles2012-03-20
| | | | Update FATE references due to encoder delay.
* (e)ac3enc: select a default bit rate based on the channel layoutJustin Ruggles2012-02-29
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* ac3enc: choose the closest bit rate to the one requested instead of failingJustin Ruggles2012-02-29
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* dsputil: Add ff_ prefix to the dsputil*_init* functionsMartin Storsjö2012-02-15
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* Drop unnecessary av_uninit attributes from some variable declarations.Diego Biurrun2012-02-13
| | | | Recent versions of gcc (4.4+) no longer give false positive warnings.
* Make channel layout masks unsignedMans Rullgard2011-11-25
| | | | | | | | | | It makes more sense for a bit mask to use an unsigned type. The change should be source and binary compatible on all supported systems, hence micro version bump. Fixes a few invalid shifts. Signed-off-by: Mans Rullgard <mans@mansr.com>
* ac3enc: doxygen update.Justin Ruggles2011-11-02
| | | | | | Add some parameters to existing function documentation. Remove some unneeded documentation. Convert some static function documentation to non-doxygen style.
* ac3enc: Add channel coupling support for the fixed-point AC-3 encoder.Justin Ruggles2011-09-05
| | | | Update FATE references accordingly.
* ac3enc: add macros for option names to make them more understandable.Justin Ruggles2011-08-11
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* ac3enc: fix 'channel_coupling' option to actually allow 'auto'.Justin Ruggles2011-08-11
| | | | Use 'auto' as the default value.
* ac3enc: allow new coupling coordinates to be sent independently for eachJustin Ruggles2011-08-09
| | | | channel.
* ac3enc: separate exponent bit counting from exponent grouping.Justin Ruggles2011-08-09
| | | | | | Move bit counting to the bit allocation function. Move exponent grouping to after bit allocation. This will allow for adjustment of bandwidth parameters during bit allocation without having to do exponent grouping multiple times.
* cosmetics: reindentJustin Ruggles2011-07-27
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* eac3enc: support writing of basic mixing and info metadataJustin Ruggles2011-07-27
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* eac3enc: use different numbers of blocks per frame to allow higher bitratesJustin Ruggles2011-07-21
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* eac3enc: use frame exponent strategy when applicable.Justin Ruggles2011-07-19
| | | | | | | This checks if the set of selected exponent strategies for all blocks in a channel are in the frame exponent strategy table, and if so, writes the table index instead of each strategy. This saves up to 7 bits per channel per frame, so the overall effect on quality is small.
* ac3enc: merge AC3MDCTContext with AC3EncodeContext.Justin Ruggles2011-07-13
| | | | | | Since both the fixed-point and floating-point encoders use the FFTContext, this no longer needs to be in a separate context. Also, when a short-transform context is added, the same MDCT window will be used.
* ac3enc: prefer passing AC3EncodeContext rather than AVCodecContextJustin Ruggles2011-07-13
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* ac3enc: fix memleakJustin Ruggles2011-07-13
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* cosmetics: remove outdated comment that is no longer trueJustin Ruggles2011-06-28
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* ac3enc: move ff_ac3_encode_frame() to ac3enc_template.cJustin Ruggles2011-06-27
| | | | | This avoids using function pointers for quite a few small functions, most of which just call DSP functions.
* ac3enc: Remove bit allocation fallbacks.Justin Ruggles2011-06-27
| | | | | | They introduce too much complexity for very little benefit. The result is that encoding will be more likely to fail at extremely low bitrates where quality would be awful anyway.
* ac3enc: remove unneeded local variable in asym_quant()Justin Ruggles2011-06-22
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* ac3enc: remove a branch in asym_quant() by doing 2 shiftsJustin Ruggles2011-06-22
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* ac3enc: avoid masking output in asym_quant() by using signed values forJustin Ruggles2011-06-22
| | | | quantized mantissas.
* ac3enc: fix allocation of floating point samples.Justin Ruggles2011-06-13
| | | | sizeof(SampleType) is different for fixed and float encoders.
* ac3enc: remove empty ac3_float function that is never calledJustin Ruggles2011-06-13
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* ac3enc: split templated float vs. fixed functions into a separate file.Justin Ruggles2011-06-13
| | | | | Function pointers are used for templated functions instead of needlessly duplicating many functions.
* ac3enc: dynamically allocate AC3EncodeContext fields windowed_samples and mdctJustin Ruggles2011-06-13
| | | | | This will allow the same struct to be used for both the fixed and float ac3 encoders.
* ac3enc: use function pointer to choose between AC-3 and E-AC-3 header outputJustin Ruggles2011-06-13
| | | | functions.
* ac3enc: Fix linking of AC-3 encoder without the E-AC-3 encoder.Diego Biurrun2011-06-08
| | | | | The AC-3 encoder unconditionally references some symbols from the E-AC-3 encoder; make those references conditional to fix linking.
* Move E-AC-3 encoder functions to a separate eac3enc.c file.Justin Ruggles2011-06-07
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* ac3enc: remove convenience macro, #define DEBUGJustin Ruggles2011-06-07
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* ac3enc: remove unused #defineJustin Ruggles2011-06-07
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