http://git.alsa-project.org/?p=alsa-plugins.git;a=blob;f=doc/upmix.txt;hb=HEAD
http://git.alsa-project.org/?p=alsa-plugins.git;a=blob;f=mix/pcm_upmix.c;hb=HEAD upmix_2_to_21 is similar to upmix_2_to_51 without delayed_copy static void upmix_2_to_21(snd_pcm_upmix_t *mix, const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset, const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset, snd_pcm_uframes_t size) { snd_pcm_areas_copy(dst_areas, dst_offset, src_areas, src_offset, 2, size, SND_PCM_FORMAT_S16); average_copy(dst_areas + 2, dst_offset, src_areas, src_offset, 2, size); } -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1040873 Title: [N56VZ, Realtek ALC663, Black Headphone Out, Right] No sound at all: Subwoofer not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1040873/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
