diff options
Diffstat (limited to 'libhb/hb.c')
| -rw-r--r-- | libhb/hb.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libhb/hb.c b/libhb/hb.c index 8588f7ff4..411e4bd66 100644 --- a/libhb/hb.c +++ b/libhb/hb.c @@ -412,6 +412,7 @@ hb_handle_t * hb_init( int verbose, int update_check ) hb_register( &hb_muxer ); #ifdef __APPLE__ hb_register( &hb_encca_aac ); + hb_register( &hb_encca_haac ); #endif hb_register( &hb_encac3 ); @@ -513,6 +514,7 @@ hb_handle_t * hb_init_dl( int verbose, int update_check ) hb_register( &hb_muxer ); #ifdef __APPLE__ hb_register( &hb_encca_aac ); + hb_register( &hb_encca_haac ); #endif hb_register( &hb_encac3 ); @@ -1940,3 +1942,56 @@ hb_interjob_t * hb_interjob_get( hb_handle_t * h ) { return h->interjob; } + +/************************************************************************ + * encca_haac_available() + ************************************************************************ + * Returns whether the Core Audio HE-AAC encoder is available for use + * on the system. Under 10.5, if the encoder is available, register it. + * The registration is actually only performed on the first call. + ************************************************************************/ +int encca_haac_available() +{ +#ifdef __APPLE__ + static int encca_haac_available = -1; + + if (encca_haac_available != -1) + return encca_haac_available; + + encca_haac_available = 0; + + long minorVersion, majorVersion, quickTimeVersion; + Gestalt(gestaltSystemVersionMajor, &majorVersion); + Gestalt(gestaltSystemVersionMinor, &minorVersion); + Gestalt(gestaltQuickTime, &quickTimeVersion); + + if (majorVersion > 10 || (majorVersion == 10 && minorVersion >= 6)) + { + // OS X 10.6+ - ca_haac is available and ready to use + encca_haac_available = 1; + } + else if (majorVersion == 10 && minorVersion >= 5 && quickTimeVersion >= 0x07630000) + { + // OS X 10.5, QuickTime 7.6.3+ - register the component + ComponentDescription cd; + cd.componentType = kAudioEncoderComponentType; + cd.componentSubType = kAudioFormatMPEG4AAC_HE; + cd.componentManufacturer = kAudioUnitManufacturer_Apple; + cd.componentFlags = 0; + cd.componentFlagsMask = 0; + ComponentResult (*ComponentRoutine) (ComponentParameters * cp, Handle componentStorage); + void *handle = dlopen("/System/Library/Components/AudioCodecs.component/Contents/MacOS/AudioCodecs", RTLD_LAZY|RTLD_LOCAL); + if (handle) + { + ComponentRoutine = dlsym(handle, "ACMP4AACHighEfficiencyEncoderEntry"); + if (ComponentRoutine) + if (RegisterComponent(&cd, ComponentRoutine, 0, NULL, NULL, NULL)) + encca_haac_available = 1; + } + } + + return encca_haac_available; +#else + return 0; +#endif +} |