[FFmpeg-devel] [PATCH] aacenc: move to libavcodec/aac/

Lynne dev at lynne.ee
Sat Feb 8 18:52:03 EET 2025


On 08/02/2025 16:54, James Almer wrote:
> On 2/8/2025 2:32 AM, Lynne wrote:
>> The decoder was already moved there.
>> ---
>>   libavcodec/Makefile                           |  5 +-
>>   libavcodec/aac/Makefile                       |  2 +
>>   libavcodec/{ => aac}/aaccoder.c               |  0
>>   libavcodec/aac/aaccoder.h                     | 46 +++++++++++++++++++
>>   libavcodec/{ => aac}/aaccoder_twoloop.h       |  0
>>   libavcodec/{ => aac}/aacenc.c                 |  0
>>   libavcodec/{ => aac}/aacenc.h                 |  0
>>   libavcodec/{ => aac}/aacenc_is.c              |  0
>>   libavcodec/{ => aac}/aacenc_is.h              |  0
>>   libavcodec/{ => aac}/aacenc_quantization.h    |  0
>>   .../{ => aac}/aacenc_quantization_misc.h      |  0
>>   libavcodec/{ => aac}/aacenc_tns.c             |  0
>>   libavcodec/{ => aac}/aacenc_tns.h             |  0
>>   libavcodec/{ => aac}/aacenc_utils.h           |  0
>>   libavcodec/{ => aac}/aacencdsp.h              |  0
>>   libavcodec/{ => aac}/aacenctab.c              |  0
>>   libavcodec/{ => aac}/aacenctab.h              |  0
>>   libavcodec/aarch64/aacencdsp_init.c           |  2 +-
>>   libavcodec/riscv/aacencdsp_init.c             |  2 +-
>>   libavcodec/x86/aacencdsp_init.c               |  2 +-
>>   tests/checkasm/aacencdsp.c                    |  4 +-
>>   21 files changed, 54 insertions(+), 9 deletions(-)
>>   rename libavcodec/{ => aac}/aaccoder.c (100%)
>>   create mode 100644 libavcodec/aac/aaccoder.h
>>   rename libavcodec/{ => aac}/aaccoder_twoloop.h (100%)
>>   rename libavcodec/{ => aac}/aacenc.c (100%)
>>   rename libavcodec/{ => aac}/aacenc.h (100%)
>>   rename libavcodec/{ => aac}/aacenc_is.c (100%)
>>   rename libavcodec/{ => aac}/aacenc_is.h (100%)
>>   rename libavcodec/{ => aac}/aacenc_quantization.h (100%)
>>   rename libavcodec/{ => aac}/aacenc_quantization_misc.h (100%)
>>   rename libavcodec/{ => aac}/aacenc_tns.c (100%)
>>   rename libavcodec/{ => aac}/aacenc_tns.h (100%)
>>   rename libavcodec/{ => aac}/aacenc_utils.h (100%)
>>   rename libavcodec/{ => aac}/aacencdsp.h (100%)
>>   rename libavcodec/{ => aac}/aacenctab.c (100%)
>>   rename libavcodec/{ => aac}/aacenctab.h (100%)
>>
>> diff --git a/libavcodec/Makefile b/libavcodec/Makefile
>> index 499f826635..a5dcfb7d1b 100644
>> --- a/libavcodec/Makefile
>> +++ b/libavcodec/Makefile
>> @@ -194,10 +194,7 @@ OBJS-$(CONFIG_AAC_FIXED_DECODER)       += aactab.o \
>>                                             aacsbr_fixed.o 
>> aacps_common.o aacps_fixed.o \
>>                                             kbdwin.o \
>>                                             sbrdsp_fixed.o 
>> aacpsdsp_fixed.o cbrt_data_fixed.o
>> -OBJS-$(CONFIG_AAC_ENCODER)             += aacenc.o aaccoder.o 
>> aacenctab.o    \
>> -                                          aacpsy.o aactab.o      \
>> -                                          aacenc_is.o \
>> -                                          aacenc_tns.o \
>> +OBJS-$(CONFIG_AAC_ENCODER)             += aacpsy.o aactab.o      \
>>                                             psymodel.o kbdwin.o \
>>                                             mpeg4audio_sample_rates.o
>>   OBJS-$(CONFIG_AAC_MEDIACODEC_DECODER)  += mediacodecdec.o
>> diff --git a/libavcodec/aac/Makefile b/libavcodec/aac/Makefile
>> index 70b1dca274..489fa9f67a 100644
>> --- a/libavcodec/aac/Makefile
>> +++ b/libavcodec/aac/Makefile
>> @@ -1,6 +1,8 @@
>>   clean::
>>           $(RM) $(CLEANSUFFIXES:%=libavcodec/aac/%)
>> +OBJS-$(CONFIG_AAC_ENCODER)          +=  aacenc.o aaccoder.o 
>> aacenctab.o \
>> +                                        aacenc_is.o aacenc_tns.o
>>   OBJS-$(CONFIG_AAC_DECODER)          +=  aac/aacdec.o aac/aacdec_tab.o \
>>                                           aac/aacdec_float.o aac/ 
>> aacdec_usac.o \
>>                                           aac/aacdec_ac.o aac/ 
>> aacdec_lpd.o
>> diff --git a/libavcodec/aaccoder.c b/libavcodec/aac/aaccoder.c
>> similarity index 100%
>> rename from libavcodec/aaccoder.c
>> rename to libavcodec/aac/aaccoder.c
>> diff --git a/libavcodec/aac/aaccoder.h b/libavcodec/aac/aaccoder.h
>> new file mode 100644
>> index 0000000000..3f3b2612aa
>> --- /dev/null
>> +++ b/libavcodec/aac/aaccoder.h
>> @@ -0,0 +1,46 @@
>> +/*
>> + * AAC encoder
>> + * Copyright (C) 2008 Konstantin Shishkov
>> + *
>> + * This file is part of FFmpeg.
>> + *
>> + * FFmpeg is free software; you can redistribute it and/or
>> + * modify it under the terms of the GNU Lesser General Public
>> + * License as published by the Free Software Foundation; either
>> + * version 2.1 of the License, or (at your option) any later version.
>> + *
>> + * FFmpeg is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
>> + * Lesser General Public License for more details.
>> + *
>> + * You should have received a copy of the GNU Lesser General Public
>> + * License along with FFmpeg; if not, write to the Free Software
>> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 
>> 02110-1301 USA
>> + */
>> +
>> +#ifndef AVCODEC_AACCODER_H
>> +#define AVCODEC_AACCODER_H
>> +
>> +#include "aacenc.h"
>> +
>> +void ff_aac_search_for_quantizers(AVCodecContext *avctx, 
>> AACEncContext *s,
>> +                                     SingleChannelElement *sce, const 
>> float lambda);
>> +void ff_aac_set_special_band_scalefactors(AACEncContext *s,
>> +                                          SingleChannelElement *sce);
>> +
>> +void ff_aac_search_for_pns(AACEncContext *s, AVCodecContext *avctx,
>> +                           SingleChannelElement *sce);
>> +void ff_aac_mark_pns(AACEncContext *s, AVCodecContext *avctx,
>> +                     SingleChannelElement *sce);
>> +
>> +void ff_aac_search_for_ms(AACEncContext *s, ChannelElement *cpe);
>> +
>> +void ff_aac_encode_window_bands_info(AACEncContext *s, 
>> SingleChannelElement *sce,
>> +                                     int win, int group_len, const 
>> float lambda);
>> +void ff_aac_quantize_and_encode_band(AACEncContext *s, PutBitContext 
>> *pb,
>> +                                     const float *in, float *out, int 
>> size,
>> +                                     int scale_idx, int cb, const 
>> float lambda,
>> +                                     int rtz);
>> +
>> +#endif /* AVCODEC_AACCODER_H */
> 
> This new header seems unrelated to this change?
> 
> 
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Its meant to be in the previous commit.
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