On 04/23/2011 01:37 PM, Justin Ruggles wrote: > On 04/22/2011 10:19 PM, Justin Ruggles wrote: > >> @@ -574,7 +578,11 @@ static av_cold int aac_decode_init(AVCodecContext >> *avctx) >> // 60 - Required to scale values to the correct range [-32768,32767] >> // for float to int16 conversion. (1 << (60 / 4)) == 32768 >> ac->sf_scale = 1. / -1024.; >> +#if CONFIG_AUDIO_FLOAT >> + ac->sf_offset = 0; >> +#else >> ac->sf_offset = 60; >> +#endif > > > This apparently is not working when the window sequence is > EIGHT_SHORT_SEQUENCE. I've been trying to find out where to address > that, but I'm not having any luck. I'm guessing it's because sf_offset > is set to 12 in that case, but I don't know what to do instead... Any ideas? > > It works if I just leave the code as-is and scale at the end before > returning, but that's not ideal since we can save some time by applying > the appropriate scale during decoding. > > Also, where can I find or create samples with LTP? It looks like > ltp_state being int16_t might also lead to some issues.
Well, I should say I'm guessing that it's the EIGHT_SHORT_SEQUENCE. If I play the fate latm sample it turns to static at the first occurance of EIGHT_SHORT_SEQUENCE. -Justin _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
