From 3429a813b77a7658d2ee59be7c9228e306d86d14 Mon Sep 17 00:00:00 2001 From: sherpya Date: Sun, 4 Dec 2016 01:28:51 +0100 Subject: [PATCH 1/6] dynamic loading of shared fdk-aac library --- configure | 6 ++-- libavcodec/libfdk-aacdec.c | 73 ++++++++++++++++++++++++++++++++++++++++++++-- libavcodec/libfdk-aacenc.c | 59 +++++++++++++++++++++++++++++++++++-- 3 files changed, 129 insertions(+), 9 deletions(-) diff --git a/configure b/configure index 0b01a221c7..9dae091033 100755 --- a/configure +++ b/configure @@ -1563,7 +1563,6 @@ EXTERNAL_LIBRARY_GPL_LIST=" EXTERNAL_LIBRARY_NONFREE_LIST=" decklink libndi_newtek - libfdk_aac openssl libtls " @@ -1597,6 +1596,7 @@ EXTERNAL_LIBRARY_LIST=" libcaca libcelt libdc1394 + libfdk_aac libdrm libflite libfontconfig @@ -5841,9 +5841,7 @@ enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 && enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion -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 && { check_header fdk-aac/aacenc_lib.h || die "ERROR: aacenc_lib.h not found"; } 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 diff --git a/libavcodec/libfdk-aacdec.c b/libavcodec/libfdk-aacdec.c index 677b11088b..d191133ae0 100644 --- a/libavcodec/libfdk-aacdec.c +++ b/libavcodec/libfdk-aacdec.c @@ -17,6 +17,17 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#ifndef _WIN32 +#include +#define LIBNAME "libfdk-aac.so.1" +#else +#include +#define LIBNAME "libfdk-aac-1.dll" +#define dlopen(fname, f) ((void *) LoadLibraryA(fname)) +#define dlclose(handle) FreeLibrary((HMODULE) handle) +#define dlsym(handle, name) GetProcAddress((HMODULE) handle, name) +#endif + #include #include "libavutil/channel_layout.h" @@ -25,6 +36,37 @@ #include "avcodec.h" #include "internal.h" +typedef LINKSPEC_H HANDLE_AACDECODER (*imp_aacDecoder_Open)(TRANSPORT_TYPE transportFmt, UINT nrOfLayers); +typedef LINKSPEC_H void (*imp_aacDecoder_Close)(HANDLE_AACDECODER self); +typedef LINKSPEC_H AAC_DECODER_ERROR (*imp_aacDecoder_Fill)(HANDLE_AACDECODER self, UCHAR *pBuffer[], const UINT bufferSize[], UINT *bytesValid); +typedef LINKSPEC_H AAC_DECODER_ERROR (*imp_aacDecoder_DecodeFrame)(HANDLE_AACDECODER self, INT_PCM *pTimeData, const INT timeDataSize, const UINT flags); +typedef LINKSPEC_H CStreamInfo* (*imp_aacDecoder_GetStreamInfo)(HANDLE_AACDECODER self); +typedef LINKSPEC_H AAC_DECODER_ERROR (*imp_aacDecoder_ConfigRaw)(HANDLE_AACDECODER self, UCHAR *conf[], const UINT length[]); +typedef LINKSPEC_H AAC_DECODER_ERROR (*imp_aacDecoder_SetParam)(const HANDLE_AACDECODER self, const AACDEC_PARAM param, const INT value); +typedef LINKSPEC_H AAC_DECODER_ERROR (*imp_aacDecoder_AncDataInit)(HANDLE_AACDECODER self, UCHAR *buffer, int size); + +typedef struct _aacDecLib { + imp_aacDecoder_Open aacDecoder_Open; + imp_aacDecoder_Close aacDecoder_Close; + imp_aacDecoder_Fill aacDecoder_Fill; + imp_aacDecoder_DecodeFrame aacDecoder_DecodeFrame; + imp_aacDecoder_ConfigRaw aacDecoder_ConfigRaw; + imp_aacDecoder_GetStreamInfo aacDecoder_GetStreamInfo; + imp_aacDecoder_SetParam aacDecoder_SetParam; + imp_aacDecoder_AncDataInit aacDecoder_AncDataInit; +} aacDecLib; + +#define DLSYM(x) \ + do \ + { \ + s->pfn.x = ( imp_##x ) dlsym(s->hLib, AV_STRINGIFY(x)); \ + if (!s->pfn.x ) \ + { \ + av_log(avctx, AV_LOG_ERROR, "Unable to find symbol " AV_STRINGIFY(x) " in dynamic " LIBNAME "\n"); \ + return -1; \ + } \ + } while (0) + /* The version macro is introduced the same time as the setting enum was * changed, so this check should suffice. */ #ifndef AACDECODER_LIB_VL0 @@ -41,6 +83,8 @@ enum ConcealMethod { typedef struct FDKAACDecContext { const AVClass *class; HANDLE_AACDECODER handle; + void *hLib; + aacDecLib pfn; uint8_t *decoder_buffer; int decoder_buffer_size; uint8_t *anc_buffer; @@ -88,7 +132,7 @@ static const AVClass fdk_aac_dec_class = { static int get_stream_info(AVCodecContext *avctx) { FDKAACDecContext *s = avctx->priv_data; - CStreamInfo *info = aacDecoder_GetStreamInfo(s->handle); + CStreamInfo *info = s->pfn.aacDecoder_GetStreamInfo(s->handle); int channel_counts[0x24] = { 0 }; int i, ch_error = 0; uint64_t ch_layout = 0; @@ -200,8 +244,10 @@ static av_cold int fdk_aac_decode_close(AVCodecContext *avctx) { FDKAACDecContext *s = avctx->priv_data; - if (s->handle) - aacDecoder_Close(s->handle); + if (s->hLib && s->handle) { + s->pfn.aacDecoder_Close(s->handle); + dlclose(s->hLib); + } av_freep(&s->decoder_buffer); av_freep(&s->anc_buffer); @@ -213,6 +259,27 @@ static av_cold int fdk_aac_decode_init(AVCodecContext *avctx) FDKAACDecContext *s = avctx->priv_data; AAC_DECODER_ERROR err; + if (!(s->hLib = dlopen(LIBNAME, RTLD_NOW))) { + av_log(avctx, AV_LOG_ERROR, "Unable to load " LIBNAME "\n"); + return -1; + } + + DLSYM(aacDecoder_Open); +#define aacDecoder_Open s->pfn.aacDecoder_Open + DLSYM(aacDecoder_Close); + DLSYM(aacDecoder_Fill); +#define aacDecoder_Fill s->pfn.aacDecoder_Fill + DLSYM(aacDecoder_DecodeFrame); +#define aacDecoder_DecodeFrame s->pfn.aacDecoder_DecodeFrame + DLSYM(aacDecoder_GetStreamInfo); +#define aacDecoder_GetStreamInfo s->pfn.aacDecoder_GetStreamInfo + DLSYM(aacDecoder_ConfigRaw); +#define aacDecoder_ConfigRaw s->pfn.aacDecoder_ConfigRaw + DLSYM(aacDecoder_SetParam); +#define aacDecoder_SetParam s->pfn.aacDecoder_SetParam + DLSYM(aacDecoder_AncDataInit); +#define aacDecoder_AncDataInit s->pfn.aacDecoder_AncDataInit + 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"); diff --git a/libavcodec/libfdk-aacenc.c b/libavcodec/libfdk-aacenc.c index d47137b227..6295af3858 100644 --- a/libavcodec/libfdk-aacenc.c +++ b/libavcodec/libfdk-aacenc.c @@ -17,6 +17,17 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#ifndef _WIN32 +#include +#define LIBNAME "libfdk-aac.so.1" +#else +#include +#define LIBNAME "libfdk-aac-1.dll" +#define dlopen(fname, f) ((void *) LoadLibraryA(fname)) +#define dlclose(handle) FreeLibrary((HMODULE) handle) +#define dlsym(handle, name) GetProcAddress((HMODULE) handle, name) +#endif + #include #include "libavutil/channel_layout.h" @@ -26,6 +37,31 @@ #include "audio_frame_queue.h" #include "internal.h" +typedef AACENC_ERROR (*imp_aacEncOpen)(HANDLE_AACENCODER *phAacEncoder, const UINT encModules, const UINT maxChannels); +typedef AACENC_ERROR (*imp_aacEncClose)(HANDLE_AACENCODER *phAacEncoder); +typedef AACENC_ERROR (*imp_aacEncEncode)(const HANDLE_AACENCODER hAacEncoder, const AACENC_BufDesc *inBufDesc, const AACENC_BufDesc *outBufDesc, const AACENC_InArgs *inargs, AACENC_OutArgs *outargs); +typedef AACENC_ERROR (*imp_aacEncInfo)(const HANDLE_AACENCODER hAacEncoder, AACENC_InfoStruct *pInfo); +typedef AACENC_ERROR (*imp_aacEncoder_SetParam)(const HANDLE_AACENCODER hAacEncoder, const AACENC_PARAM param, const UINT value); + +typedef struct _aacEncLib { + imp_aacEncOpen aacEncOpen; + imp_aacEncClose aacEncClose; + imp_aacEncEncode aacEncEncode; + imp_aacEncInfo aacEncInfo; + imp_aacEncoder_SetParam aacEncoder_SetParam; +} aacEncLib; + +#define DLSYM(x) \ + do \ + { \ + s->pfn.x = ( imp_##x ) dlsym(s->hLib, AV_STRINGIFY(x)); \ + if (!s->pfn.x ) \ + { \ + av_log(avctx, AV_LOG_ERROR, "Unable to find symbol " AV_STRINGIFY(x) " in dynamic " LIBNAME "\n"); \ + return -1; \ + } \ + } while (0) + typedef struct AACContext { const AVClass *class; HANDLE_AACENCODER handle; @@ -36,6 +72,8 @@ typedef struct AACContext { int header_period; int vbr; + void *hLib; + aacEncLib pfn; AudioFrameQueue afq; } AACContext; @@ -96,8 +134,10 @@ static int aac_encode_close(AVCodecContext *avctx) { AACContext *s = avctx->priv_data; - if (s->handle) - aacEncClose(&s->handle); + if (s->hLib && s->handle) { + s->pfn.aacEncClose(&s->handle); + dlclose(s->hLib); + } av_freep(&avctx->extradata); ff_af_queue_close(&s->afq); @@ -114,6 +154,21 @@ static av_cold int aac_encode_init(AVCodecContext *avctx) int aot = FF_PROFILE_AAC_LOW + 1; int sce = 0, cpe = 0; + if (!(s->hLib = dlopen(LIBNAME, RTLD_NOW))) { + av_log(avctx, AV_LOG_ERROR, "Unable to load " LIBNAME "\n"); + return -1; + } + + DLSYM(aacEncOpen); +#define aacEncOpen s->pfn.aacEncOpen + DLSYM(aacEncClose); + DLSYM(aacEncEncode); +#define aacEncEncode s->pfn.aacEncEncode + DLSYM(aacEncInfo); +#define aacEncInfo s->pfn.aacEncInfo + DLSYM(aacEncoder_SetParam); +#define aacEncoder_SetParam s->pfn.aacEncoder_SetParam + 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)); -- 2.15.1