Create 0003-dynamic-loading-of-shared-fdk-aac-library.patch
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Daniel Stankewitz
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patches/0003-dynamic-loading-of-shared-fdk-aac-library.patch
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264
patches/0003-dynamic-loading-of-shared-fdk-aac-library.patch
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From de345e50f1b2d8b79c72db747c66a6bdcc646914 Mon Sep 17 00:00:00 2001
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From: Gianluigi Tiesi <sherpya@netfarm.it>
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Date: Sun, 4 Dec 2016 01:28:51 +0100
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Subject: [PATCH 3/8] dynamic loading of shared fdk-aac library
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---
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configure | 6 +--
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libavcodec/libfdk-aac_internal.h | 84 ++++++++++++++++++++++++++++++++
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libavcodec/libfdk-aacdec.c | 32 ++++++++++--
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libavcodec/libfdk-aacenc.c | 25 +++++++++-
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4 files changed, 138 insertions(+), 9 deletions(-)
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create mode 100644 libavcodec/libfdk-aac_internal.h
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diff --git a/configure b/configure
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index 69fc11fcba..d381419123 100755
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--- a/configure
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+++ b/configure
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@@ -1726,7 +1726,6 @@ EXTERNAL_LIBRARY_GPL_LIST="
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EXTERNAL_LIBRARY_NONFREE_LIST="
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decklink
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- libfdk_aac
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openssl
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libtls
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"
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@@ -1816,6 +1815,7 @@ EXTERNAL_LIBRARY_LIST="
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opengl
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pocketsphinx
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vapoursynth
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+ libfdk_aac
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"
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HWACCEL_AUTODETECT_LIBRARY_LIST="
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@@ -6246,9 +6246,7 @@ enabled libdav1d && require_pkg_config libdav1d "dav1d >= 0.4.0" "dav1d
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enabled libdavs2 && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open
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enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
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enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
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-enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
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- { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
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- warn "using libfdk without pkg-config"; } }
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+enabled libfdk_aac && require_headers fdk-aac/aacenc_lib.h
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flite_extralibs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
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enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
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enabled fontconfig && enable libfontconfig
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diff --git a/libavcodec/libfdk-aac_internal.h b/libavcodec/libfdk-aac_internal.h
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new file mode 100644
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index 0000000000..cd1e6e3340
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--- /dev/null
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+++ b/libavcodec/libfdk-aac_internal.h
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@@ -0,0 +1,84 @@
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+/*
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+ * Copyright (c) 2018 Gianluigi Tiesi
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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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+
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+#ifndef AVCODEC_LIBFDK_AAC_INTERNAL_H
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+#define AVCODEC_LIBFDK_AAC_INTERNAL_H
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+
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+#ifdef _WIN32
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+#include <windows.h>
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+#define LIBNAME "libfdk-aac-2.dll"
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+#define dlopen(fname, f) ((void *) LoadLibraryA(fname))
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+#define dlclose(handle) FreeLibrary((HMODULE) handle)
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+#define dlsym(handle, name) GetProcAddress((HMODULE) handle, name)
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+#else
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+#include <dlfcn.h>
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+#define LIBNAME "libfdk-aac.so.2"
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+#endif
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+
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+#define DLSYM(x) \
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+ do \
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+ { \
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+ s->pfn.x = ( imp_##x ) dlsym(s->hLib, AV_STRINGIFY(x)); \
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+ if (!s->pfn.x ) \
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+ { \
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+ av_log(avctx, AV_LOG_ERROR, "Unable to find symbol " AV_STRINGIFY(x) " in dynamic " LIBNAME "\n"); \
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+ return -1; \
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+ } \
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+ } while (0)
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+
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+
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+#include <fdk-aac/aacenc_lib.h>
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+#include <fdk-aac/aacdecoder_lib.h>
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+
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+typedef AACENC_ERROR (*imp_aacEncOpen)(HANDLE_AACENCODER *phAacEncoder, const UINT encModules, const UINT maxChannels);
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+typedef AACENC_ERROR (*imp_aacEncClose)(HANDLE_AACENCODER *phAacEncoder);
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+typedef AACENC_ERROR (*imp_aacEncEncode)(const HANDLE_AACENCODER hAacEncoder, const AACENC_BufDesc *inBufDesc, const AACENC_BufDesc *outBufDesc, const AACENC_InArgs *inargs, AACENC_OutArgs *outargs);
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+typedef AACENC_ERROR (*imp_aacEncInfo)(const HANDLE_AACENCODER hAacEncoder, AACENC_InfoStruct *pInfo);
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+typedef AACENC_ERROR (*imp_aacEncoder_SetParam)(const HANDLE_AACENCODER hAacEncoder, const AACENC_PARAM param, const UINT value);
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+
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+typedef struct _aacEncLib {
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+ imp_aacEncOpen aacEncOpen;
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+ imp_aacEncClose aacEncClose;
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+ imp_aacEncEncode aacEncEncode;
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+ imp_aacEncInfo aacEncInfo;
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+ imp_aacEncoder_SetParam aacEncoder_SetParam;
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+} aacEncLib;
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+
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+typedef LINKSPEC_H HANDLE_AACDECODER (*imp_aacDecoder_Open)(TRANSPORT_TYPE transportFmt, UINT nrOfLayers);
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+typedef LINKSPEC_H void (*imp_aacDecoder_Close)(HANDLE_AACDECODER self);
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+typedef LINKSPEC_H AAC_DECODER_ERROR (*imp_aacDecoder_Fill)(HANDLE_AACDECODER self, UCHAR *pBuffer[], const UINT bufferSize[], UINT *bytesValid);
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+typedef LINKSPEC_H AAC_DECODER_ERROR (*imp_aacDecoder_DecodeFrame)(HANDLE_AACDECODER self, INT_PCM *pTimeData, const INT timeDataSize, const UINT flags);
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+typedef LINKSPEC_H CStreamInfo* (*imp_aacDecoder_GetStreamInfo)(HANDLE_AACDECODER self);
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+typedef LINKSPEC_H AAC_DECODER_ERROR (*imp_aacDecoder_ConfigRaw)(HANDLE_AACDECODER self, UCHAR *conf[], const UINT length[]);
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+typedef LINKSPEC_H AAC_DECODER_ERROR (*imp_aacDecoder_SetParam)(const HANDLE_AACDECODER self, const AACDEC_PARAM param, const INT value);
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+typedef LINKSPEC_H AAC_DECODER_ERROR (*imp_aacDecoder_AncDataInit)(HANDLE_AACDECODER self, UCHAR *buffer, int size);
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+
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+typedef struct _aacDecLib {
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+ imp_aacDecoder_Open aacDecoder_Open;
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+ imp_aacDecoder_Close aacDecoder_Close;
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+ imp_aacDecoder_Fill aacDecoder_Fill;
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+ imp_aacDecoder_DecodeFrame aacDecoder_DecodeFrame;
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+ imp_aacDecoder_ConfigRaw aacDecoder_ConfigRaw;
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+ imp_aacDecoder_GetStreamInfo aacDecoder_GetStreamInfo;
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+ imp_aacDecoder_SetParam aacDecoder_SetParam;
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+ imp_aacDecoder_AncDataInit aacDecoder_AncDataInit;
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+} aacDecLib;
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+
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+#endif /* AVCODEC_LIBFDK_AAC_INTERNAL_H */
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diff --git a/libavcodec/libfdk-aacdec.c b/libavcodec/libfdk-aacdec.c
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index 1abe1d8438..ef7728c368 100644
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--- a/libavcodec/libfdk-aacdec.c
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+++ b/libavcodec/libfdk-aacdec.c
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@@ -24,6 +24,7 @@
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#include "libavutil/opt.h"
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#include "avcodec.h"
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#include "internal.h"
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+#include "libfdk-aac_internal.h"
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#ifdef AACDECODER_LIB_VL0
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#define FDKDEC_VER_AT_LEAST(vl0, vl1) \
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@@ -47,6 +48,8 @@ enum ConcealMethod {
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typedef struct FDKAACDecContext {
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const AVClass *class;
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HANDLE_AACDECODER handle;
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+ void *hLib;
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+ aacDecLib pfn;
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uint8_t *decoder_buffer;
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int decoder_buffer_size;
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uint8_t *anc_buffer;
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@@ -99,7 +102,7 @@ static const AVClass fdk_aac_dec_class = {
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static int get_stream_info(AVCodecContext *avctx)
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{
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FDKAACDecContext *s = avctx->priv_data;
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- CStreamInfo *info = aacDecoder_GetStreamInfo(s->handle);
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+ CStreamInfo *info = s->pfn.aacDecoder_GetStreamInfo(s->handle);
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int channel_counts[0x24] = { 0 };
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int i, ch_error = 0;
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uint64_t ch_layout = 0;
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@@ -211,8 +214,10 @@ static av_cold int fdk_aac_decode_close(AVCodecContext *avctx)
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{
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FDKAACDecContext *s = avctx->priv_data;
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- if (s->handle)
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- aacDecoder_Close(s->handle);
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+ if (s->hLib && s->handle) {
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+ s->pfn.aacDecoder_Close(s->handle);
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+ dlclose(s->hLib);
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+ }
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av_freep(&s->decoder_buffer);
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av_freep(&s->anc_buffer);
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@@ -224,6 +229,27 @@ static av_cold int fdk_aac_decode_init(AVCodecContext *avctx)
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FDKAACDecContext *s = avctx->priv_data;
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AAC_DECODER_ERROR err;
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+ if (!(s->hLib = dlopen(LIBNAME, RTLD_NOW))) {
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+ av_log(avctx, AV_LOG_ERROR, "Unable to load " LIBNAME "\n");
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+ return -1;
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+ }
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+
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+ DLSYM(aacDecoder_Open);
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+#define aacDecoder_Open s->pfn.aacDecoder_Open
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+ DLSYM(aacDecoder_Close);
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+ DLSYM(aacDecoder_Fill);
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+#define aacDecoder_Fill s->pfn.aacDecoder_Fill
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+ DLSYM(aacDecoder_DecodeFrame);
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+#define aacDecoder_DecodeFrame s->pfn.aacDecoder_DecodeFrame
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+ DLSYM(aacDecoder_GetStreamInfo);
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+#define aacDecoder_GetStreamInfo s->pfn.aacDecoder_GetStreamInfo
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+ DLSYM(aacDecoder_ConfigRaw);
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+#define aacDecoder_ConfigRaw s->pfn.aacDecoder_ConfigRaw
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+ DLSYM(aacDecoder_SetParam);
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+#define aacDecoder_SetParam s->pfn.aacDecoder_SetParam
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+ DLSYM(aacDecoder_AncDataInit);
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+#define aacDecoder_AncDataInit s->pfn.aacDecoder_AncDataInit
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+
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s->handle = aacDecoder_Open(avctx->extradata_size ? TT_MP4_RAW : TT_MP4_ADTS, 1);
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if (!s->handle) {
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av_log(avctx, AV_LOG_ERROR, "Error opening decoder\n");
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diff --git a/libavcodec/libfdk-aacenc.c b/libavcodec/libfdk-aacenc.c
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index 5620bb5951..c4519b6b74 100644
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--- a/libavcodec/libfdk-aacenc.c
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+++ b/libavcodec/libfdk-aacenc.c
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@@ -26,6 +26,8 @@
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#include "audio_frame_queue.h"
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#include "internal.h"
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+#include "libfdk-aac_internal.h"
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+
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#ifdef AACENCODER_LIB_VL0
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#define FDKENC_VER_AT_LEAST(vl0, vl1) \
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((AACENCODER_LIB_VL0 > vl0) || \
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@@ -45,6 +47,8 @@ typedef struct AACContext {
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int header_period;
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int vbr;
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+ void *hLib;
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+ aacEncLib pfn;
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AudioFrameQueue afq;
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} AACContext;
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@@ -108,8 +112,10 @@ static int aac_encode_close(AVCodecContext *avctx)
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{
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AACContext *s = avctx->priv_data;
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- if (s->handle)
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- aacEncClose(&s->handle);
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+ if (s->hLib && s->handle) {
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+ s->pfn.aacEncClose(&s->handle);
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+ dlclose(s->hLib);
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+ }
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av_freep(&avctx->extradata);
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ff_af_queue_close(&s->afq);
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@@ -126,6 +132,21 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
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int aot = FF_PROFILE_AAC_LOW + 1;
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int sce = 0, cpe = 0;
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+ if (!(s->hLib = dlopen(LIBNAME, RTLD_NOW))) {
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+ av_log(avctx, AV_LOG_ERROR, "Unable to load " LIBNAME "\n");
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+ return -1;
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+ }
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+
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+ DLSYM(aacEncOpen);
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+#define aacEncOpen s->pfn.aacEncOpen
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+ DLSYM(aacEncClose);
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+ DLSYM(aacEncEncode);
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+#define aacEncEncode s->pfn.aacEncEncode
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+ DLSYM(aacEncInfo);
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+#define aacEncInfo s->pfn.aacEncInfo
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+ DLSYM(aacEncoder_SetParam);
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+#define aacEncoder_SetParam s->pfn.aacEncoder_SetParam
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+
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if ((err = aacEncOpen(&s->handle, 0, avctx->channels)) != AACENC_OK) {
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av_log(avctx, AV_LOG_ERROR, "Unable to open the encoder: %s\n",
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aac_get_error(err));
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--
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2.24.0
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