X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_05%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Ffaad.c;fp=synfig-core%2Ftags%2Fsynfig_0_61_05%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Ffaad.c;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=6dfffd837dc30267ab1e5e4a5b2299338f2c6696;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/faad.c b/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/faad.c deleted file mode 100644 index 6dfffd8..0000000 --- a/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/faad.c +++ /dev/null @@ -1,247 +0,0 @@ -/* - * Faad decoder - * Copyright (c) 2003 Zdenek Kabelac. - * - * This library 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 of the License, or (at your option) any later version. - * - * This library 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 this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/** - * @file faad.c - * AAC decoder. - * - * still a bit unfinished - but it plays something - */ - -#include "avcodec.h" -#include "faad.h" - -/* - * when CONFIG_FAADBIN is defined the libfaad will be opened at runtime - */ -//#undef CONFIG_FAADBIN -//#define CONFIG_FAADBIN - -#ifdef CONFIG_FAADBIN -#include -static const char* libfaadname = "libfaad.so.0"; -#else -#define dlopen(a) -#define dlclose(a) -#endif - -typedef struct { - void* handle; /* dlopen handle */ - void* faac_handle; /* FAAD library handle */ - int frame_size; - int sample_size; - int flags; - - /* faad calls */ - faacDecHandle FAADAPI (*faacDecOpen)(void); - faacDecConfigurationPtr FAADAPI (*faacDecGetCurrentConfiguration)(faacDecHandle hDecoder); - unsigned char FAADAPI (*faacDecSetConfiguration)(faacDecHandle hDecoder, - faacDecConfigurationPtr config); - long FAADAPI (*faacDecInit)(faacDecHandle hDecoder, - unsigned char *buffer, - unsigned long *samplerate, - unsigned char *channels); - char FAADAPI (*faacDecInit2)(faacDecHandle hDecoder, unsigned char *pBuffer, - unsigned long SizeOfDecoderSpecificInfo, - unsigned long *samplerate, unsigned char *channels); - void FAADAPI (*faacDecClose)(faacDecHandle hDecoder); - void* FAADAPI (*faacDecDecode)(faacDecHandle hDecoder, - faacDecFrameInfo *hInfo, - unsigned char *buffer); - unsigned char* FAADAPI (*faacDecGetErrorMessage)(unsigned char errcode); -} FAACContext; - -static const unsigned long faac_srates[] = -{ - 96000, 88200, 64000, 48000, 44100, 32000, - 24000, 22050, 16000, 12000, 11025, 8000 -}; - -static int faac_init_mp4(AVCodecContext *avctx) -{ - FAACContext *s = (FAACContext *) avctx->priv_data; - unsigned long samplerate; - unsigned char channels; - int r = 0; - - if (avctx->extradata) - r = s->faacDecInit2(s->faac_handle, (uint8_t*) avctx->extradata, - avctx->extradata_size, - &samplerate, &channels); - // else r = s->faacDecInit(s->faac_handle ... ); - - if (r < 0) - fprintf(stderr, "faacDecInit2 failed r:%d sr:%ld ch:%d s:%d\n", - r, samplerate, channels, avctx->extradata_size); - - return r; -} - -static int faac_init_aac(AVCodecContext *avctx) -{ - FAACContext *s = (FAACContext *) avctx->priv_data; - return 0; -} - -static int faac_decode_frame(AVCodecContext *avctx, - void *data, int *data_size, - uint8_t *buf, int buf_size) -{ - FAACContext *s = (FAACContext *) avctx->priv_data; - faacDecFrameInfo frame_info; - void* out = s->faacDecDecode(s->faac_handle, &frame_info, (unsigned char*)buf); - //printf("DECODE FRAME %d, %d, %d - %p\n", buf_size, frame_info.samples, frame_info.bytesconsumed, out); - - if (frame_info.error > 0) { - fprintf(stderr, "faac: frame decodinf failed: %s\n", - s->faacDecGetErrorMessage(frame_info.error)); - return 0; - } - - frame_info.samples *= s->sample_size; - memcpy(data, out, frame_info.samples); // CHECKME - can we cheat this one - - if (data_size) - *data_size = frame_info.samples; - - return (buf_size < (int)frame_info.bytesconsumed) - ? buf_size : (int)frame_info.bytesconsumed; -} - -static int faac_decode_end(AVCodecContext *avctx) -{ - FAACContext *s = (FAACContext *) avctx->priv_data; - - if (s->faacDecClose) - s->faacDecClose(s->faac_handle); - - dlclose(s->handle); - return 0; -} - -static int faac_decode_init(AVCodecContext *avctx) -{ - FAACContext *s = (FAACContext *) avctx->priv_data; - faacDecConfigurationPtr faac_cfg; - -#ifdef CONFIG_FAADBIN - const char* err = 0; - - s->handle = dlopen(libfaadname, RTLD_LAZY); - if (!s->handle) - { - fprintf(stderr, "FAAD library: %s could not be opened! \n%s\n", - libfaadname, dlerror()); - return -1; - } -#define dfaac(a, b) \ - do { static const char* n = "faacDec" #a; \ - if ((s->faacDec ## a = b dlsym( s->handle, n )) == NULL) { err = n; break; } } while(0) - for(;;) { -#else /* !CONFIG_FAADBIN */ -#define dfaac(a, b) s->faacDec ## a = faacDec ## a -#endif /* CONFIG_FAADBIN */ - - // resolve all needed function calls - dfaac(Open, (faacDecHandle FAADAPI (*)(void))); - dfaac(GetCurrentConfiguration, (faacDecConfigurationPtr - FAADAPI (*)(faacDecHandle))); - dfaac(SetConfiguration, (unsigned char FAADAPI (*)(faacDecHandle, - faacDecConfigurationPtr))); - - dfaac(Init, (long FAADAPI (*)(faacDecHandle, unsigned char*, - unsigned long*, unsigned char*))); - dfaac(Init2, (char FAADAPI (*)(faacDecHandle, unsigned char*, - unsigned long, unsigned long*, - unsigned char*))); - dfaac(Close, (void FAADAPI (*)(faacDecHandle hDecoder))); - dfaac(Decode, (void* FAADAPI (*)(faacDecHandle, faacDecFrameInfo*, - unsigned char*))); - - dfaac(GetErrorMessage, (unsigned char* FAADAPI (*)(unsigned char))); -#undef dfacc - -#ifdef CONFIG_FAADBIN - break; - } - if (err) { - dlclose(s->handle); - fprintf(stderr, "FAAD library: cannot resolve %s in %s!\n", - err, libfaadname); - return -1; - } -#endif - - s->faac_handle = s->faacDecOpen(); - if (!s->faac_handle) { - fprintf(stderr, "FAAD library: cannot create handler!\n"); - faac_decode_end(avctx); - return -1; - } - - - faac_cfg = s->faacDecGetCurrentConfiguration(s->faac_handle); - - if (faac_cfg) { - switch (avctx->bits_per_sample) { - case 8: fprintf(stderr, "FAADlib unsupported bps %d\n", avctx->bits_per_sample); break; - default: - case 16: - faac_cfg->outputFormat = FAAD_FMT_16BIT; - s->sample_size = 2; - break; - case 24: - faac_cfg->outputFormat = FAAD_FMT_24BIT; - s->sample_size = 3; - break; - case 32: - faac_cfg->outputFormat = FAAD_FMT_32BIT; - s->sample_size = 4; - break; - } - - faac_cfg->defSampleRate = (!avctx->sample_rate) ? 44100 : avctx->sample_rate; - faac_cfg->defObjectType = LC; - } - - s->faacDecSetConfiguration(s->faac_handle, faac_cfg); - - faac_init_mp4(avctx); - - return 0; -} - -#define AAC_CODEC(id, name) \ -AVCodec name ## _decoder = { \ - #name, \ - CODEC_TYPE_AUDIO, \ - id, \ - sizeof(FAACContext), \ - faac_decode_init, \ - NULL, \ - faac_decode_end, \ - faac_decode_frame, \ -} - -// FIXME - raw AAC files - maybe just one entry will be enough -AAC_CODEC(CODEC_ID_AAC, aac); -// If it's mp4 file - usually embeded into Qt Mov -AAC_CODEC(CODEC_ID_MPEG4AAC, mpeg4aac); - -#undef AAC_CODEC