forked from FFmpeg/FFmpeg
Rodger Combs
parent
db1a642cd2
commit
d5d328059e
6 changed files with 389 additions and 2 deletions
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@ -13,6 +13,7 @@ version <next>:
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- protocol blacklisting API
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- MediaCodec H264 decoding
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- VC-2 HQ RTP payload format (draft v1) depacketizer
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- AudioToolbox audio decoders
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version 3.0:
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24
configure
vendored
24
configure
vendored
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@ -194,6 +194,7 @@ Individual component options:
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--disable-filters disable all filters
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External library support:
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--disable-audiotoolbox enable AudioToolbox decoders and encoders [autodetect]
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--enable-avisynth enable reading of AviSynth script files [no]
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--disable-bzlib disable bzlib [autodetect]
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--enable-cuda enable dynamically linked CUDA [no]
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@ -1446,6 +1447,7 @@ EXAMPLE_LIST="
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"
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EXTERNAL_LIBRARY_LIST="
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audiotoolbox
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avisynth
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bzlib
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chromaprint
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@ -2506,6 +2508,10 @@ zlib_encoder_select="zlib"
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zmbv_decoder_select="zlib"
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zmbv_encoder_select="zlib"
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# platform codecs
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audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
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audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
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# hardware accelerators
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crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
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d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
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@ -2641,6 +2647,20 @@ vc1_parser_select="vc1dsp"
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mjpeg2jpeg_bsf_select="jpegtables"
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# external libraries
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aac_at_decoder_deps="audiotoolbox"
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ac3_at_decoder_deps="audiotoolbox"
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adpcm_ima_qt_at_decoder_deps="audiotoolbox"
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alac_at_decoder_deps="audiotoolbox"
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amr_nb_at_decoder_deps="audiotoolbox"
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gsm_ms_at_decoder_deps="audiotoolbox"
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ilbc_at_decoder_deps="audiotoolbox"
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mp1_at_decoder_deps="audiotoolbox"
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mp2_at_decoder_deps="audiotoolbox"
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mp3_at_decoder_deps="audiotoolbox"
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pcm_alaw_at_decoder_deps="audiotoolbox"
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pcm_mulaw_at_decoder_deps="audiotoolbox"
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qdmc_at_decoder_deps="audiotoolbox"
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qdm2_at_decoder_deps="audiotoolbox"
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chromaprint_muxer_deps="chromaprint"
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h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
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libcelt_decoder_deps="libcelt"
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@ -3087,6 +3107,9 @@ enable valgrind_backtrace
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sws_max_filter_size_default=256
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set_default sws_max_filter_size
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# Enable platform codecs by default.
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enable audiotoolbox
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# Enable hwaccels by default.
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enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
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enable xlib
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@ -5365,6 +5388,7 @@ check_func_headers glob.h glob
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enabled xlib &&
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check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
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check_header AudioToolbox/AudioToolbox.h
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check_header direct.h
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check_header dirent.h
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check_header dlfcn.h
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@ -801,6 +801,20 @@ OBJS-$(CONFIG_WEBM_MUXER) += mpeg4audio.o mpegaudiodata.o \
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OBJS-$(CONFIG_ELBG_FILTER) += elbg.o
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# external codec libraries
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OBJS-$(CONFIG_AAC_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_AC3_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_ADPCM_IMA_QT_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_ALAC_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_AMR_NB_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_GSM_MS_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_ILBC_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_MP1_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_MP2_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_MP3_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_PCM_MULAW_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_PCM_ALAW_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_QDMC_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_QDM2_AT_DECODER) += audiotoolboxdec.o
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OBJS-$(CONFIG_LIBCELT_DECODER) += libcelt_dec.o
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OBJS-$(CONFIG_LIBDCADEC_DECODER) += libdcadec.o dca.o
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OBJS-$(CONFIG_LIBFAAC_ENCODER) += libfaac.o
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@ -563,6 +563,20 @@ void avcodec_register_all(void)
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REGISTER_ENCDEC (XSUB, xsub);
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/* external libraries */
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REGISTER_DECODER(AAC_AT, aac_at);
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REGISTER_DECODER(AC3_AT, ac3_at);
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REGISTER_DECODER(ADPCM_IMA_QT_AT, adpcm_ima_qt_at);
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REGISTER_DECODER(ALAC_AT, alac_at);
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REGISTER_DECODER(AMR_NB_AT, amr_nb_at);
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REGISTER_DECODER(GSM_MS_AT, gsm_ms_at);
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REGISTER_DECODER(ILBC_AT, ilbc_at);
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REGISTER_DECODER(MP1_AT, mp1_at);
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REGISTER_DECODER(MP2_AT, mp2_at);
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REGISTER_DECODER(MP3_AT, mp3_at);
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REGISTER_DECODER(PCM_ALAW_AT, pcm_alaw_at);
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REGISTER_DECODER(PCM_MULAW_AT, pcm_mulaw_at);
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REGISTER_DECODER(QDMC_AT, qdmc_at);
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REGISTER_DECODER(QDM2_AT, qdm2_at);
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REGISTER_DECODER(LIBCELT, libcelt);
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REGISTER_DECODER(LIBDCADEC, libdcadec)
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REGISTER_ENCODER(LIBFAAC, libfaac);
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334
libavcodec/audiotoolboxdec.c
Normal file
334
libavcodec/audiotoolboxdec.c
Normal file
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@ -0,0 +1,334 @@
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/*
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* Audio Toolbox system codecs
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*
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* copyright (c) 2016 Rodger Combs
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <AudioToolbox/AudioToolbox.h>
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#include "config.h"
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#include "avcodec.h"
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#include "bytestream.h"
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#include "internal.h"
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#include "libavutil/avassert.h"
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#include "libavutil/opt.h"
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#include "libavutil/log.h"
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typedef struct ATDecodeContext {
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AVClass *av_class;
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AudioConverterRef converter;
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AudioStreamPacketDescription pkt_desc;
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AVPacket in_pkt;
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AVPacket new_in_pkt;
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unsigned pkt_size;
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int64_t last_pts;
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int eof;
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} ATDecodeContext;
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static UInt32 ffat_get_format_id(enum AVCodecID codec, int profile)
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{
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switch (codec) {
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case AV_CODEC_ID_AAC:
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return kAudioFormatMPEG4AAC;
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case AV_CODEC_ID_AC3:
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return kAudioFormatAC3;
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case AV_CODEC_ID_ADPCM_IMA_QT:
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return kAudioFormatAppleIMA4;
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case AV_CODEC_ID_ALAC:
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return kAudioFormatAppleLossless;
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case AV_CODEC_ID_AMR_NB:
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return kAudioFormatAMR;
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case AV_CODEC_ID_GSM_MS:
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return kAudioFormatMicrosoftGSM;
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case AV_CODEC_ID_ILBC:
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return kAudioFormatiLBC;
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case AV_CODEC_ID_MP1:
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return kAudioFormatMPEGLayer1;
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case AV_CODEC_ID_MP2:
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return kAudioFormatMPEGLayer2;
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case AV_CODEC_ID_MP3:
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return kAudioFormatMPEGLayer3;
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case AV_CODEC_ID_PCM_ALAW:
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return kAudioFormatALaw;
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case AV_CODEC_ID_PCM_MULAW:
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return kAudioFormatULaw;
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case AV_CODEC_ID_QDMC:
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return kAudioFormatQDesign;
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case AV_CODEC_ID_QDM2:
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return kAudioFormatQDesign2;
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default:
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av_assert0(!"Invalid codec ID!");
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return 0;
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}
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}
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static void ffat_update_ctx(AVCodecContext *avctx)
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{
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ATDecodeContext *at = avctx->priv_data;
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AudioStreamBasicDescription in_format;
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UInt32 size = sizeof(in_format);
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if (!AudioConverterGetProperty(at->converter,
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kAudioConverterCurrentInputStreamDescription,
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&size, &in_format)) {
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avctx->channels = in_format.mChannelsPerFrame;
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at->pkt_size = in_format.mFramesPerPacket;
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}
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if (!at->pkt_size)
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at->pkt_size = 2048;
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}
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static void put_descr(PutByteContext *pb, int tag, unsigned int size)
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{
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int i = 3;
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bytestream2_put_byte(pb, tag);
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for (; i > 0; i--)
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bytestream2_put_byte(pb, (size >> (7 * i)) | 0x80);
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bytestream2_put_byte(pb, size & 0x7F);
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}
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static av_cold int ffat_init_decoder(AVCodecContext *avctx)
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{
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ATDecodeContext *at = avctx->priv_data;
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OSStatus status;
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enum AVSampleFormat sample_fmt = (avctx->bits_per_raw_sample == 32) ?
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AV_SAMPLE_FMT_S32 : AV_SAMPLE_FMT_S16;
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AudioStreamBasicDescription in_format = {
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.mSampleRate = avctx->sample_rate ? avctx->sample_rate : 44100,
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.mFormatID = ffat_get_format_id(avctx->codec_id, avctx->profile),
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.mBytesPerPacket = avctx->block_align,
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.mChannelsPerFrame = avctx->channels ? avctx->channels : 1,
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};
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AudioStreamBasicDescription out_format = {
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.mSampleRate = in_format.mSampleRate,
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.mFormatID = kAudioFormatLinearPCM,
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.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked,
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.mFramesPerPacket = 1,
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.mChannelsPerFrame = in_format.mChannelsPerFrame,
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.mBitsPerChannel = av_get_bytes_per_sample(sample_fmt) * 8,
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};
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avctx->sample_fmt = sample_fmt;
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if (avctx->codec_id == AV_CODEC_ID_ADPCM_IMA_QT)
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in_format.mFramesPerPacket = 64;
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status = AudioConverterNew(&in_format, &out_format, &at->converter);
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if (status != 0) {
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av_log(avctx, AV_LOG_ERROR, "AudioToolbox init error: %i\n", (int)status);
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return AVERROR_UNKNOWN;
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}
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if (avctx->extradata_size) {
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char *extradata = avctx->extradata;
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int extradata_size = avctx->extradata_size;
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if (avctx->codec_id == AV_CODEC_ID_AAC) {
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PutByteContext pb;
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extradata_size = 5 + 3 + 5+13 + 5+avctx->extradata_size;
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if (!(extradata = av_malloc(extradata_size)))
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return AVERROR(ENOMEM);
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bytestream2_init_writer(&pb, extradata, extradata_size);
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// ES descriptor
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put_descr(&pb, 0x03, 3 + 5+13 + 5+avctx->extradata_size);
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bytestream2_put_be16(&pb, 0);
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bytestream2_put_byte(&pb, 0x00); // flags (= no flags)
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// DecoderConfig descriptor
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put_descr(&pb, 0x04, 13 + 5+avctx->extradata_size);
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// Object type indication
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bytestream2_put_byte(&pb, 0x40);
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bytestream2_put_byte(&pb, 0x15); // flags (= Audiostream)
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bytestream2_put_be24(&pb, 0); // Buffersize DB
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bytestream2_put_be32(&pb, 0); // maxbitrate
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bytestream2_put_be32(&pb, 0); // avgbitrate
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// DecoderSpecific info descriptor
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put_descr(&pb, 0x05, avctx->extradata_size);
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bytestream2_put_buffer(&pb, avctx->extradata, avctx->extradata_size);
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}
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status = AudioConverterSetProperty(at->converter,
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kAudioConverterDecompressionMagicCookie,
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extradata_size, extradata);
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if (status != 0)
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av_log(avctx, AV_LOG_WARNING, "AudioToolbox cookie error: %i\n", (int)status);
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}
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ffat_update_ctx(avctx);
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at->last_pts = AV_NOPTS_VALUE;
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return 0;
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}
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static OSStatus ffat_decode_callback(AudioConverterRef converter, UInt32 *nb_packets,
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AudioBufferList *data,
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AudioStreamPacketDescription **packets,
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void *inctx)
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{
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AVCodecContext *avctx = inctx;
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ATDecodeContext *at = avctx->priv_data;
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if (at->eof) {
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*nb_packets = 0;
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if (packets) {
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*packets = &at->pkt_desc;
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at->pkt_desc.mDataByteSize = 0;
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}
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return 0;
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}
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av_packet_move_ref(&at->in_pkt, &at->new_in_pkt);
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at->new_in_pkt.data = 0;
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at->new_in_pkt.size = 0;
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if (!at->in_pkt.data) {
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*nb_packets = 0;
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return 1;
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}
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data->mNumberBuffers = 1;
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data->mBuffers[0].mNumberChannels = 0;
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data->mBuffers[0].mDataByteSize = at->in_pkt.size;
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data->mBuffers[0].mData = at->in_pkt.data;
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*nb_packets = 1;
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if (packets) {
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*packets = &at->pkt_desc;
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at->pkt_desc.mDataByteSize = at->in_pkt.size;
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}
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return 0;
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}
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static int ffat_decode(AVCodecContext *avctx, void *data,
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int *got_frame_ptr, AVPacket *avpkt)
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{
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ATDecodeContext *at = avctx->priv_data;
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AVFrame *frame = data;
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OSStatus ret;
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AudioBufferList out_buffers = {
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.mNumberBuffers = 1,
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.mBuffers = {
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{
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.mNumberChannels = avctx->channels,
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.mDataByteSize = av_get_bytes_per_sample(avctx->sample_fmt) * at->pkt_size * avctx->channels,
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}
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}
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};
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av_packet_unref(&at->new_in_pkt);
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if (avpkt->size) {
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if ((ret = av_packet_ref(&at->new_in_pkt, avpkt)) < 0)
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return ret;
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} else {
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at->eof = 1;
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}
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frame->sample_rate = avctx->sample_rate;
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frame->nb_samples = at->pkt_size;
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ff_get_buffer(avctx, frame, 0);
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out_buffers.mBuffers[0].mData = frame->data[0];
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ret = AudioConverterFillComplexBuffer(at->converter, ffat_decode_callback, avctx,
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&frame->nb_samples, &out_buffers, NULL);
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if ((!ret || ret == 1) && frame->nb_samples) {
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*got_frame_ptr = 1;
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if (at->last_pts != AV_NOPTS_VALUE) {
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frame->pts = at->last_pts;
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at->last_pts = avpkt->pts;
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}
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} else if (ret && ret != 1) {
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av_log(avctx, AV_LOG_WARNING, "Decode error: %i\n", ret);
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} else {
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at->last_pts = avpkt->pts;
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}
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return avpkt->size;
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}
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static av_cold void ffat_decode_flush(AVCodecContext *avctx)
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{
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ATDecodeContext *at = avctx->priv_data;
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AudioConverterReset(at->converter);
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av_packet_unref(&at->new_in_pkt);
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av_packet_unref(&at->in_pkt);
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}
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static av_cold int ffat_close_decoder(AVCodecContext *avctx)
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{
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ATDecodeContext *at = avctx->priv_data;
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AudioConverterDispose(at->converter);
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av_packet_unref(&at->new_in_pkt);
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av_packet_unref(&at->in_pkt);
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return 0;
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}
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#define FFAT_DEC_CLASS(NAME) \
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static const AVClass ffat_##NAME##_dec_class = { \
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.class_name = "at_" #NAME "_dec", \
|
||||
.version = LIBAVUTIL_VERSION_INT, \
|
||||
};
|
||||
|
||||
#define FFAT_DEC(NAME, ID) \
|
||||
FFAT_DEC_CLASS(NAME) \
|
||||
AVCodec ff_##NAME##_at_decoder = { \
|
||||
.name = #NAME "_at", \
|
||||
.long_name = NULL_IF_CONFIG_SMALL(#NAME " (AudioToolbox)"), \
|
||||
.type = AVMEDIA_TYPE_AUDIO, \
|
||||
.id = ID, \
|
||||
.priv_data_size = sizeof(ATDecodeContext), \
|
||||
.init = ffat_init_decoder, \
|
||||
.close = ffat_close_decoder, \
|
||||
.decode = ffat_decode, \
|
||||
.flush = ffat_decode_flush, \
|
||||
.priv_class = &ffat_##NAME##_dec_class, \
|
||||
.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY, \
|
||||
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, \
|
||||
};
|
||||
|
||||
FFAT_DEC(aac, AV_CODEC_ID_AAC)
|
||||
FFAT_DEC(ac3, AV_CODEC_ID_AC3)
|
||||
FFAT_DEC(adpcm_ima_qt, AV_CODEC_ID_ADPCM_IMA_QT)
|
||||
FFAT_DEC(alac, AV_CODEC_ID_ALAC)
|
||||
FFAT_DEC(amr_nb, AV_CODEC_ID_AMR_NB)
|
||||
FFAT_DEC(gsm_ms, AV_CODEC_ID_GSM_MS)
|
||||
FFAT_DEC(ilbc, AV_CODEC_ID_ILBC)
|
||||
FFAT_DEC(mp1, AV_CODEC_ID_MP1)
|
||||
FFAT_DEC(mp2, AV_CODEC_ID_MP2)
|
||||
FFAT_DEC(mp3, AV_CODEC_ID_MP3)
|
||||
FFAT_DEC(pcm_alaw, AV_CODEC_ID_PCM_ALAW)
|
||||
FFAT_DEC(pcm_mulaw, AV_CODEC_ID_PCM_MULAW)
|
||||
FFAT_DEC(qdmc, AV_CODEC_ID_QDMC)
|
||||
FFAT_DEC(qdm2, AV_CODEC_ID_QDM2)
|
||||
|
|
@ -28,8 +28,8 @@
|
|||
#include "libavutil/version.h"
|
||||
|
||||
#define LIBAVCODEC_VERSION_MAJOR 57
|
||||
#define LIBAVCODEC_VERSION_MINOR 28
|
||||
#define LIBAVCODEC_VERSION_MICRO 103
|
||||
#define LIBAVCODEC_VERSION_MINOR 29
|
||||
#define LIBAVCODEC_VERSION_MICRO 100
|
||||
|
||||
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
|
||||
LIBAVCODEC_VERSION_MINOR, \
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue