Index: ffmpeg-4.2/configure =================================================================== --- ffmpeg-4.2.orig/configure +++ ffmpeg-4.2/configure @@ -232,6 +232,7 @@ External library support: --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394 and libraw1394 [no] --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no] + --enable-libfdk-aac-dlopen enable AAC de/encoding via dlopen()'ed libfdk-aac [no] --enable-libflite enable flite (voice synthesis) support via libflite [no] --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no] --enable-libfreetype enable libfreetype, needed for drawtext filter [no] @@ -1724,6 +1725,7 @@ EXTERNAL_LIBRARY_GPL_LIST=" EXTERNAL_LIBRARY_NONFREE_LIST=" decklink libfdk_aac + libfdk_aac_dlopen openssl libtls " @@ -6203,6 +6205,7 @@ enabled libdrm && require_pkg enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen || { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac && warn "using libfdk without pkg-config"; } } +enabled libfdk_aac_dlopen && enable libfdk_aac && add_cppflags "-I/usr/include/fdk-aac" 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" enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs enabled fontconfig && enable libfontconfig Index: ffmpeg-4.2/libavcodec/dlopen.h =================================================================== --- /dev/null +++ ffmpeg-4.2/libavcodec/dlopen.h @@ -0,0 +1,12 @@ +#ifndef LOCALINC_DLOPEN_H +#define LOCALINC_DLOPEN_H +#include +#define num2str(x) str(x) +#define str(x) #x + +#define dl_sym(func, args, lib) \ + dl_##func = args dlsym(lib, #func); \ + if ((err = dlerror())) \ + goto error; + +#endif Index: ffmpeg-4.2/libavcodec/libfdk-aacdec.c =================================================================== --- ffmpeg-4.2.orig/libavcodec/libfdk-aacdec.c +++ ffmpeg-4.2/libavcodec/libfdk-aacdec.c @@ -37,6 +37,54 @@ #define AAC_PCM_MAX_OUTPUT_CHANNELS AAC_PCM_OUTPUT_CHANNELS #endif +#ifdef CONFIG_LIBFDK_AAC_DLOPEN +#include "dlopen.h" +AAC_DECODER_ERROR (*dl_aacDecoder_AncDataInit)(HANDLE_AACDECODER, UCHAR*, int); +HANDLE_AACDECODER (*dl_aacDecoder_Open)(TRANSPORT_TYPE, UINT); +AAC_DECODER_ERROR (*dl_aacDecoder_Fill)(HANDLE_AACDECODER, UCHAR**, const UINT*, UINT*); +AAC_DECODER_ERROR (*dl_aacDecoder_ConfigRaw)(HANDLE_AACDECODER, UCHAR **, const UINT*); +AAC_DECODER_ERROR (*dl_aacDecoder_SetParam)(const HANDLE_AACDECODER, const AACDEC_PARAM, const INT); +AAC_DECODER_ERROR (*dl_aacDecoder_DecodeFrame)(HANDLE_AACDECODER, INT_PCM*, const INT, const UINT); +CStreamInfo* (*dl_aacDecoder_GetStreamInfo)(HANDLE_AACDECODER); +void (*dl_aacDecoder_Close)(HANDLE_AACDECODER); +#define aacDecoder_AncDataInit dl_aacDecoder_AncDataInit +#define aacDecoder_Open dl_aacDecoder_Open +#define aacDecoder_Fill dl_aacDecoder_Fill +#define aacDecoder_ConfigRaw dl_aacDecoder_ConfigRaw +#define aacDecoder_SetParam dl_aacDecoder_SetParam +#define aacDecoder_DecodeFrame dl_aacDecoder_DecodeFrame +#define aacDecoder_GetStreamInfo dl_aacDecoder_GetStreamInfo +#define aacDecoder_Close dl_aacDecoder_Close +#define FDKAAC_LIB "libfdk-aac.so.1" +static int loadLibFdkAac(AVCodecContext *avctx); +static int loadLibFdkAac(AVCodecContext *avctx) { + void *libfdkaac = NULL; + const char *err = NULL; + + libfdkaac = dlopen(FDKAAC_LIB, RTLD_LAZY); + if(err = dlerror()) { + av_log(avctx, AV_LOG_FATAL, "%s\n%s is missing, libfdk-aac support will be disabled\n", err, FDKAAC_LIB); + if(libfdkaac) + dlclose(libfdkaac); + return 1; + } + dl_sym(aacDecoder_AncDataInit, (AAC_DECODER_ERROR (*)(HANDLE_AACDECODER, UCHAR*, int)), libfdkaac); + dl_sym(aacDecoder_Open, (HANDLE_AACDECODER (*)(TRANSPORT_TYPE, UINT)), libfdkaac); + dl_sym(aacDecoder_Fill, (AAC_DECODER_ERROR (*)(HANDLE_AACDECODER, UCHAR**, const UINT*, UINT*)), libfdkaac); + dl_sym(aacDecoder_ConfigRaw, (AAC_DECODER_ERROR (*)(HANDLE_AACDECODER, UCHAR**, const UINT*)), libfdkaac); + dl_sym(aacDecoder_SetParam, (AAC_DECODER_ERROR (*)(const HANDLE_AACDECODER, const AACDEC_PARAM, const INT)), libfdkaac); + dl_sym(aacDecoder_DecodeFrame, (AAC_DECODER_ERROR (*)(HANDLE_AACDECODER, INT_PCM*, const INT, const UINT)), libfdkaac); + dl_sym(aacDecoder_GetStreamInfo, (CStreamInfo* (*)(HANDLE_AACDECODER)), libfdkaac); + dl_sym(aacDecoder_Close, (void (*)(HANDLE_AACDECODER)), libfdkaac); + return 0; +error: + av_log(avctx, AV_LOG_FATAL, "libfdk-aac: Missing symbols in %s: %s\n" + "libfdk-aac support disabled\n", FDKAAC_LIB, err); + dlclose(libfdkaac); + return 1; +} +#endif + enum ConcealMethod { CONCEAL_METHOD_SPECTRAL_MUTING = 0, CONCEAL_METHOD_NOISE_SUBSTITUTION = 1, @@ -224,6 +272,11 @@ static av_cold int fdk_aac_decode_init(A FDKAACDecContext *s = avctx->priv_data; AAC_DECODER_ERROR err; +#ifdef CONFIG_LIBFDK_AAC_DLOPEN + if (loadLibFdkAac(avctx)) + return -1; +#endif + s->handle = aacDecoder_Open(avctx->extradata_size ? TT_MP4_RAW : TT_MP4_ADTS, 1); if (!s->handle) { av_log(avctx, AV_LOG_ERROR, "Error opening decoder\n"); Index: ffmpeg-4.2/libavcodec/libfdk-aacenc.c =================================================================== --- ffmpeg-4.2.orig/libavcodec/libfdk-aacenc.c +++ ffmpeg-4.2/libavcodec/libfdk-aacenc.c @@ -34,6 +34,48 @@ #define FDKENC_VER_AT_LEAST(vl0, vl1) 0 #endif +#ifdef CONFIG_LIBFDK_AAC_DLOPEN +#include "dlopen.h" +#include +AACENC_ERROR (*dl_aacEncOpen)(HANDLE_AACENCODER*, const UINT, const UINT); +AACENC_ERROR (*dl_aacEncoder_SetParam)(const HANDLE_AACENCODER, const AACENC_PARAM, const UINT); +AACENC_ERROR (*dl_aacEncEncode)(const HANDLE_AACENCODER, const AACENC_BufDesc*, const AACENC_BufDesc*, const AACENC_InArgs*, AACENC_OutArgs*); +AACENC_ERROR (*dl_aacEncInfo)(const HANDLE_AACENCODER, AACENC_InfoStruct*); +AACENC_ERROR (*dl_aacEncClose)(HANDLE_AACENCODER*); + +#define aacEncOpen dl_aacEncOpen +#define aacEncoder_SetParam dl_aacEncoder_SetParam +#define aacEncEncode dl_aacEncEncode +#define aacEncInfo dl_aacEncInfo +#define aacEncClose dl_aacEncClose +#define FDKAAC_LIB "libfdk-aac.so.1" + +static int loadLibFdkAac(AVCodecContext *avctx); +static int loadLibFdkAac(AVCodecContext *avctx) { + void *libfdkaac = NULL; + const char *err = NULL; + + libfdkaac = dlopen(FDKAAC_LIB, RTLD_LAZY); + if(err = dlerror()) { + av_log(avctx, AV_LOG_FATAL, "%s\n%s is missing, libfdk-aac support will be disabled\n", err, FDKAAC_LIB); + if(libfdkaac) + dlclose(libfdkaac); + return 1; + } + dl_sym(aacEncOpen, (AACENC_ERROR (*)(HANDLE_AACENCODER*, const UINT, const UINT)), libfdkaac); + dl_sym(aacEncoder_SetParam, (AACENC_ERROR (*)(const HANDLE_AACENCODER, const AACENC_PARAM, const UINT)), libfdkaac); + dl_sym(aacEncEncode, (AACENC_ERROR (*)(const HANDLE_AACENCODER, const AACENC_BufDesc*, const AACENC_BufDesc*, const AACENC_InArgs*, AACENC_OutArgs*)), libfdkaac); + dl_sym(aacEncInfo, (AACENC_ERROR (*)(const HANDLE_AACENCODER, AACENC_InfoStruct*)), libfdkaac); + dl_sym(aacEncClose, (AACENC_ERROR (*)(HANDLE_AACENCODER*)), libfdkaac); + return 0; +error: + av_log(avctx, AV_LOG_FATAL, "libfdk-aac: Missing symbols in %s: %s\n" + "libfdk-aac support disabled\n", FDKAAC_LIB, err); + dlclose(libfdkaac); + return 1; +} +#endif + typedef struct AACContext { const AVClass *class; HANDLE_AACENCODER handle; @@ -126,6 +168,11 @@ static av_cold int aac_encode_init(AVCod int aot = FF_PROFILE_AAC_LOW + 1; int sce = 0, cpe = 0; +#ifdef CONFIG_LIBFDK_AAC_DLOPEN + if (loadLibFdkAac(avctx)) + return -1; +#endif + if ((err = aacEncOpen(&s->handle, 0, avctx->channels)) != AACENC_OK) { av_log(avctx, AV_LOG_ERROR, "Unable to open the encoder: %s\n", aac_get_error(err));