9b83919f44 
								
							
								 
							
						 
						
							
							
								
								ac3dec: add a drc_scale private option  
							
							Deprecate corresponding AVCodecContext option.
This is the first test of decoder private options. 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								e6c52cee54 
								
							
								 
							
						 
						
							
							
								
								Replace usages of av_get_bits_per_sample_fmt() with av_get_bytes_per_sample().  
							
							av_get_bits_per_sample_fmt() is deprecated. 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								9aa8193a23 
								
							
								 
							
						 
						
							
							
								
								Add floating-point sample format support to the ac3, eac3, dca, aac, and vorbis  
							
							decoders.
Based on patches by clsid2 in ffdshow-tryout. 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								4c64c8e95a 
								
							
								 
							
						 
						
							
							
								
								ac3dec: fix processing of delta bit allocation information.  
							
							The number of dba segments is the coded value + 1.
The coupling dba offset starts at the first coupling band, not at zero. 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								6d9f52b2cd 
								
							
								 
							
						 
						
							
							
								
								ac3: move ff_ac3_bit_alloc_calc_bap to ac3dsp  
							
							Signed-off-by: Mans Rullgard <mans@mansr.com> 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								991f3de1bb 
								
							
								 
							
						 
						
							
							
								
								ac3enc: Add codec-specific options for writing AC-3 metadata.  
							
							
								
							
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								be18738801 
								
							
								 
							
						 
						
							
							
								
								Get audio_service_type for AC-3 based on bitstream mode in the AC-3 parser  
							
							and decoder, and vice-versa for the AC-3 encoder. 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								4c886d613d 
								
							
								 
							
						 
						
							
							
								
								Detect byte-swapped AC-3 and support decoding it directly.  
							
							This allows the AC-3 decoder to be used directly with RealMedia
decoders that unlike the libavformat one do not byte-swap automatically.
Since the new code is only used in case we would fail directly otherwise
there should be no risk for regressions. 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								40728b5169 
								
							
								 
							
						 
						
							
							
								
								cosmetics: indentation  
							
							
								
							
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								67fc8652b9 
								
							
								 
							
						 
						
							
							
								
								Always copy input data for AC3 decoder.  
							
							Depending on error_recognition is not correct, low values do
certainly not mean it is ok to crash.
Based on a patch by Reimar Döffinger <Reimar.Doeffinger@gmx.de> 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								a45fbda994 
								
							
								 
							
						 
						
							
							
								
								Move ff_kbd_window_init() to a separate file  
							
							This function is not tightly coupled to mdct, and it's in the way
of making a fixed-point mdct implementation.
Signed-off-by: Mans Rullgard <mans@mansr.com> 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								26f548bb59 
								
							
								 
							
						 
						
							
							
								
								fft: remove inline wrappers for function pointers  
							
							This removes the rather pointless wrappers (one not even inline)
for calling the fft_calc and related function pointers.
Signed-off-by: Mans Rullgard <mans@mansr.com> 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								2912e87a6c 
								
							
								 
							
						 
						
							
							
								
								Replace FFmpeg with Libav in licence headers  
							
							Signed-off-by: Mans Rullgard <mans@mansr.com> 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								c73d99e672 
								
							
								 
							
						 
						
							
							
								
								Separate format conversion DSP functions from DSPContext.  
							
							This will be beneficial for use with the audio conversion API without
requiring it to depend on all of dsputil.
Signed-off-by: Mans Rullgard <mans@mansr.com> 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								80ba1ddb58 
								
							
								 
							
						 
						
							
							
								
								Remove unneeded add bias from 3 functions.  
							
							DSPContext.vector_fmul_window()
DCADSPContext.lfe_fir()
SynthFilterContext.synth_filter_float()
Signed-off-by: Mans Rullgard <mans@mansr.com> 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								b5ec638343 
								
							
								 
							
						 
						
							
							
								
								cosmetics: indentation and spacing  
							
							
								
							
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								9d06d7bce3 
								
							
								 
							
						 
						
							
							
								
								Remove the add bias hack for the C version of DSPContext.float_to_int16_*().  
							
							
								
							
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								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  
				
					
						
							
							
								 
						
							
							
							
								
							
								4c57cde942 
								
							
								 
							
						 
						
							
							
								
								Add ff_ prefix to ac3_common_init().  
							
							Signed-off-by: Mans Rullgard <mans@mansr.com> 
							
						 
						14 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								5d6e4c160a 
								
							
								 
							
						 
						
							
							
								
								Replace deprecated symbols SAMPLE_FMT_* with AV_SAMPLE_FMT_*, and enum  
							
							SampleFormat with AVSampleFormat.
Originally committed as revision 25730 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						15 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								eb0a4d3222 
								
							
								 
							
						 
						
							
							
								
								Fix compilation of AC3 decoder if E-AC3 decoder was disabled.  
							
							Originally committed as revision 23131 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						15 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								cc8538ff93 
								
							
								 
							
						 
						
							
							
								
								ac3dec: return smaller of buf_size and frame_size instead of always returning  
							
							frame_size.
Originally committed as revision 22950 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						15 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								2874c81cc8 
								
							
								 
							
						 
						
							
							
								
								Replace all remaining occurrences of AVERROR_NOMEM with  
							
							AVERROR(ENOMEM).
AVERROR_NOMEM is deprecated and will be dropped at the next libavutil
major bump.
Originally committed as revision 22791 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						15 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								72415b2adb 
								
							
								 
							
						 
						
							
							
								
								Define AVMediaType enum, and use it instead of enum CodecType, which  
							
							is deprecated and will be dropped at the next major bump.
Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						15 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								ca6e7708b4 
								
							
								 
							
						 
						
							
							
								
								Add spectral extension to the E-AC-3 decoder.  
							
							Original patch by Justin, updated and resubmitted by
Christophe Gisquet, christophe D gisquet A gmail
Originally committed as revision 22734 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						15 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								2c2cdc0bfb 
								
							
								 
							
						 
						
							
							
								
								Simplify error handling by processing header errors separate from CRC and  
							
							buffer size vs. frame size errors.
Originally committed as revision 21519 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						15 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								008f872f61 
								
							
								 
							
						 
						
							
							
								
								Only check frame size if the header is valid.  
							
							Originally committed as revision 21439 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						15 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								1460c79097 
								
							
								 
							
						 
						
							
							
								
								Use MULH instead of 64x64 multiplication, around 5% overall speedup on Intel Atom.  
							
							Patch by myself and Yuriy Kaminskiy [yumkam mail ru]
Originally committed as revision 21175 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								7934cbb3be 
								
							
								 
							
						 
						
							
							
								
								ac3dec: apply dynamic range compression to correct channels in dual-mono mode.  
							
							Originally committed as revision 20533 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								187bc061e4 
								
							
								 
							
						 
						
							
							
								
								ac3dec: revert r20089. The change was just wrong. 10l for me.  
							
							Originally committed as revision 20473 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								535497f193 
								
							
								 
							
						 
						
							
							
								
								Change an error to a warning to support broken AC-3 files known to exist.  
							
							Fixes Issue 1426.
Originally committed as revision 20110 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								3fdccca091 
								
							
								 
							
						 
						
							
							
								
								10l: wrong operation in stereo rematrixing  
							
							Originally committed as revision 20106 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								2ed4439658 
								
							
								 
							
						 
						
							
							
								
								Simplify stereo rematrixing by only using one temporary variable. It is also  
							
							about 1.8% faster on my system.
Originally committed as revision 20090 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								16c91d2b23 
								
							
								 
							
						 
						
							
							
								
								remove unneeded assignment in inner loop. rematrixing bands are contiguous.  
							
							Originally committed as revision 20089 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								8b11b44ea7 
								
							
								 
							
						 
						
							
							
								
								Rearrange loop structure for approx. 35-50% faster calc_transform_coeffs_cpl()  
							
							depending on content.
Originally committed as revision 20055 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								3b6c5ad2f6 
								
							
								 
							
						 
						
							
							
								
								Move variable declaration to inside of loop.  
							
							Originally committed as revision 20053 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								025873738f 
								
							
								 
							
						 
						
							
							
								
								Cosmetics: Rename some variables.  
							
							Originally committed as revision 20052 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								b5f4639b13 
								
							
								 
							
						 
						
							
							
								
								Simplify coupling band loop.  
							
							Originally committed as revision 20051 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								a521aadfe8 
								
							
								 
							
						 
						
							
							
								
								cosmetics: reindent after last commit  
							
							Originally committed as revision 19589 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								25dcd1823c 
								
							
								 
							
						 
						
							
							
								
								ac3dec: simplify zero-bit mantissa dithering by calculating it  
							
							conditionally during mantissa decoding, then only removing it from the
coupling range for coupled channels which do not use dithering.
Originally committed as revision 19588 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								b972c06a8f 
								
							
								 
							
						 
						
							
							
								
								cosmetics: indentation and line wrap  
							
							Originally committed as revision 19587 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								c36ea0600c 
								
							
								 
							
						 
						
							
							
								
								cosmetics after last commit  
							
							Originally committed as revision 19586 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								3f93716809 
								
							
								 
							
						 
						
							
							
								
								Modify decode_band_structure() so that the actual band structure is only  
							
							used within the function.  This removes the need to have the coupling band
structure stored in the AC3DecodeContext.
Originally committed as revision 19585 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								603139022d 
								
							
								 
							
						 
						
							
							
								
								Use coupling band sizes instead of coupling band structure when  
							
							calculating coupling transform coefficients.
Originally committed as revision 19584 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								eb98cdfa8d 
								
							
								 
							
						 
						
							
							
								
								cosmetics: add more detailed information to the documentation for  
							
							decode_band_structure().
Originally committed as revision 19577 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								d15153244f 
								
							
								 
							
						 
						
							
							
								
								refactoring: properly separate AC-3 and E-AC-3 code  
							
							Originally committed as revision 19501 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								89547cfb36 
								
							
								 
							
						 
						
							
							
								
								Make sure that eac3_decoder only gets enabled when CONFIG_EAC3_DECODER is set.  
							
							Originally committed as revision 19500 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								ce863d7f36 
								
							
								 
							
						 
						
							
							
								
								Rename ff_log_missing_feature() to av_log_missing_feature().  
							
							Originally committed as revision 19294 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								ae04de316f 
								
							
								 
							
						 
						
							
							
								
								eac3dec: revert commit r18860.  keep the AHT IDCT 24-bit.  will make AHT GAQ  
							
							dequantization 24-bit in a separate commit.
Originally committed as revision 18887 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago  
				
					
						
							
							
								 
						
							
							
							
								
							
								1754fe4d30 
								
							
								 
							
						 
						
							
							
								
								The AC-3 decoder is now LGPL. Exchange the license header and change references  
							
							in the build system and documentation that mark it as GPL.
Originally committed as revision 18876 to svn://svn.ffmpeg.org/ffmpeg/trunk 
							
						 
						16 years ago