#ifdef CONFIG_LIBFAADBIN
#include <dlfcn.h>
-static const char* libfaadname = "libfaad.so.0";
+static const char* libfaadname = "libfaad.so";
#else
#define dlopen(a)
#define dlclose(a)
faacDecHandle FAADAPI (*faacDecOpen)(void);
faacDecConfigurationPtr FAADAPI (*faacDecGetCurrentConfiguration)(faacDecHandle hDecoder);
#ifndef FAAD2_VERSION
- int FAADAPI (*faacDecSetConfiguration)(faacDecHandle hDecoder,
+ int FAADAPI (*faacDecSetConfiguration)(faacDecHandle hDecoder,
faacDecConfigurationPtr config);
- int FAADAPI (*faacDecInit)(faacDecHandle hDecoder,
- unsigned char *buffer,
- unsigned long *samplerate,
- unsigned long *channels);
- int FAADAPI (*faacDecInit2)(faacDecHandle hDecoder, unsigned char *pBuffer,
+ int FAADAPI (*faacDecInit)(faacDecHandle hDecoder,
+ unsigned char *buffer,
+ unsigned long *samplerate,
+ unsigned long *channels);
+ int FAADAPI (*faacDecInit2)(faacDecHandle hDecoder, unsigned char *pBuffer,
unsigned long SizeOfDecoderSpecificInfo,
unsigned long *samplerate, unsigned long *channels);
- int FAADAPI (*faacDecDecode)(faacDecHandle hDecoder,
- unsigned char *buffer,
- unsigned long *bytesconsumed,
- short *sample_buffer,
- unsigned long *samples);
+ int FAADAPI (*faacDecDecode)(faacDecHandle hDecoder,
+ unsigned char *buffer,
+ unsigned long *bytesconsumed,
+ short *sample_buffer,
+ unsigned long *samples);
#else
- unsigned char FAADAPI (*faacDecSetConfiguration)(faacDecHandle hDecoder,
+ unsigned char FAADAPI (*faacDecSetConfiguration)(faacDecHandle hDecoder,
faacDecConfigurationPtr config);
- long FAADAPI (*faacDecInit)(faacDecHandle hDecoder,
- unsigned char *buffer,
- unsigned long buffer_size,
- unsigned long *samplerate,
- unsigned char *channels);
- char FAADAPI (*faacDecInit2)(faacDecHandle hDecoder, unsigned char *pBuffer,
+ long FAADAPI (*faacDecInit)(faacDecHandle hDecoder,
+ unsigned char *buffer,
+ unsigned long buffer_size,
+ 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 (*faacDecDecode)(faacDecHandle hDecoder,
- faacDecFrameInfo *hInfo,
- unsigned char *buffer,
- unsigned long buffer_size);
- char* FAADAPI (*faacDecGetErrorMessage)(unsigned char errcode);
+ void *FAADAPI (*faacDecDecode)(faacDecHandle hDecoder,
+ faacDecFrameInfo *hInfo,
+ unsigned char *buffer,
+ unsigned long buffer_size);
+ char* FAADAPI (*faacDecGetErrorMessage)(unsigned char errcode);
#endif
void FAADAPI (*faacDecClose)(faacDecHandle hDecoder);
24000, 22050, 16000, 12000, 11025, 8000
};
+static void channel_setup(AVCodecContext *avctx)
+{
+#ifdef FAAD2_VERSION
+ FAACContext *s = avctx->priv_data;
+ if (avctx->request_channels > 0 && avctx->request_channels == 2 &&
+ avctx->request_channels < avctx->channels) {
+ faacDecConfigurationPtr faac_cfg;
+ avctx->channels = 2;
+ faac_cfg = s->faacDecGetCurrentConfiguration(s->faac_handle);
+ faac_cfg->downMatrix = 1;
+ s->faacDecSetConfiguration(s->faac_handle, faac_cfg);
+ }
+#endif
+}
+
static int faac_init_mp4(AVCodecContext *avctx)
{
FAACContext *s = avctx->priv_data;
} else {
avctx->sample_rate = samplerate;
avctx->channels = channels;
+ channel_setup(avctx);
s->init = 1;
}
}
unsigned char channels;
int r = s->faacDecInit(s->faac_handle, buf, buf_size, &srate, &channels);
if(r < 0){
- av_log(avctx, AV_LOG_ERROR, "faac: codec init failed: %s\n",
- s->faacDecGetErrorMessage(frame_info.error));
+ av_log(avctx, AV_LOG_ERROR, "faac: codec init failed.\n");
return -1;
}
avctx->sample_rate = srate;
avctx->channels = channels;
+ channel_setup(avctx);
s->init = 1;
}
if (frame_info.error > 0) {
av_log(avctx, AV_LOG_ERROR, "faac: frame decoding failed: %s\n",
- s->faacDecGetErrorMessage(frame_info.error));
+ s->faacDecGetErrorMessage(frame_info.error));
return -1;
}
-
+ if (!avctx->frame_size)
+ avctx->frame_size = frame_info.samples/avctx->channels;
frame_info.samples *= s->sample_size;
memcpy(data, out, frame_info.samples); // CHECKME - can we cheat this one
#endif
}
-static int faac_decode_end(AVCodecContext *avctx)
+static av_cold int faac_decode_end(AVCodecContext *avctx)
{
FAACContext *s = avctx->priv_data;
return 0;
}
-static int faac_decode_init(AVCodecContext *avctx)
+static av_cold int faac_decode_init(AVCodecContext *avctx)
{
FAACContext *s = avctx->priv_data;
faacDecConfigurationPtr faac_cfg;
if (!s->handle)
{
av_log(avctx, AV_LOG_ERROR, "FAAD library: %s could not be opened! \n%s\n",
- libfaadname, dlerror());
+ 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(;;) {
+
+#define dfaac(a) do { \
+ const char* n = AV_STRINGIFY(faacDec ## a); \
+ if (!err && !(s->faacDec ## a = dlsym(s->handle, n))) { \
+ err = n; \
+ } \
+ } while(0)
#else /* !CONFIG_LIBFAADBIN */
-#define dfaac(a, b) s->faacDec ## a = faacDec ## a
+#define dfaac(a) s->faacDec ## a = faacDec ## a
#endif /* CONFIG_LIBFAADBIN */
- // resolve all needed function calls
- dfaac(Open, (faacDecHandle FAADAPI (*)(void)));
- dfaac(Close, (void FAADAPI (*)(faacDecHandle hDecoder)));
- dfaac(GetCurrentConfiguration, (faacDecConfigurationPtr
- FAADAPI (*)(faacDecHandle)));
-#ifndef FAAD2_VERSION
- dfaac(SetConfiguration, (int FAADAPI (*)(faacDecHandle,
- faacDecConfigurationPtr)));
-
- dfaac(Init, (int FAADAPI (*)(faacDecHandle, unsigned char*,
- unsigned long*, unsigned long*)));
- dfaac(Init2, (int FAADAPI (*)(faacDecHandle, unsigned char*,
- unsigned long, unsigned long*,
- unsigned long*)));
- dfaac(Decode, (int FAADAPI (*)(faacDecHandle, unsigned char*,
- unsigned long*, short*, unsigned long*)));
-#else
- dfaac(SetConfiguration, (unsigned char FAADAPI (*)(faacDecHandle,
- faacDecConfigurationPtr)));
- dfaac(Init, (long FAADAPI (*)(faacDecHandle, unsigned char*,
- unsigned long, unsigned long*, unsigned char*)));
- dfaac(Init2, (char FAADAPI (*)(faacDecHandle, unsigned char*,
- unsigned long, unsigned long*,
- unsigned char*)));
- dfaac(Decode, (void *FAADAPI (*)(faacDecHandle, faacDecFrameInfo*,
- unsigned char*, unsigned long)));
- dfaac(GetErrorMessage, (char* FAADAPI (*)(unsigned char)));
+ // resolve all needed function calls
+ dfaac(Open);
+ dfaac(Close);
+ dfaac(GetCurrentConfiguration);
+ dfaac(SetConfiguration);
+ dfaac(Init);
+ dfaac(Init2);
+ dfaac(Decode);
+#ifdef FAAD2_VERSION
+ dfaac(GetErrorMessage);
#endif
-#undef dfacc
+
+#undef dfaac
#ifdef CONFIG_LIBFAADBIN
- break;
- }
if (err) {
dlclose(s->handle);
av_log(avctx, AV_LOG_ERROR, "FAAD library: cannot resolve %s in %s!\n",
- err, libfaadname);
+ err, libfaadname);
return -1;
}
#endif
faac_init_mp4(avctx);
+ if(!s->init && avctx->channels > 0)
+ channel_setup(avctx);
+
return 0;
}
-#define AAC_CODEC(id, name) \
+#define AAC_CODEC(id, name, long_name_) \
AVCodec name ## _decoder = { \
#name, \
CODEC_TYPE_AUDIO, \
NULL, \
faac_decode_end, \
faac_decode_frame, \
+ .long_name = NULL_IF_CONFIG_SMALL(long_name_), \
}
// FIXME - raw AAC files - maybe just one entry will be enough
-AAC_CODEC(CODEC_ID_AAC, libfaad);
+AAC_CODEC(CODEC_ID_AAC, libfaad, "libfaad AAC (Advanced Audio Codec)");
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
// If it's mp4 file - usually embeded into Qt Mov
-AAC_CODEC(CODEC_ID_MPEG4AAC, mpeg4aac);
+AAC_CODEC(CODEC_ID_MPEG4AAC, mpeg4aac, "libfaad AAC (Advanced Audio Codec)");
#endif
#undef AAC_CODEC
projects / ffmpeg / blobdiff