vorbis_encode_ctl(vi, OV_ECTL_IBLOCK_SET, &context->iblock);
}
+ if (avccontext->channels == 3 &&
+ avccontext->channel_layout != (AV_CH_LAYOUT_STEREO|AV_CH_FRONT_CENTER) ||
+ avccontext->channels == 4 &&
+ avccontext->channel_layout != AV_CH_LAYOUT_2_2 &&
+ avccontext->channel_layout != AV_CH_LAYOUT_QUAD ||
+ avccontext->channels == 5 &&
+ avccontext->channel_layout != AV_CH_LAYOUT_5POINT0 &&
+ avccontext->channel_layout != AV_CH_LAYOUT_5POINT0_BACK ||
+ avccontext->channels == 6 &&
+ avccontext->channel_layout != AV_CH_LAYOUT_5POINT1 &&
+ avccontext->channel_layout != AV_CH_LAYOUT_5POINT1_BACK ||
+ avccontext->channels == 7 &&
+ avccontext->channel_layout != (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_CENTER) ||
+ avccontext->channels == 8 &&
+ avccontext->channel_layout != AV_CH_LAYOUT_7POINT1) {
+ if (avccontext->channel_layout) {
+ char name[32];
+ av_get_channel_layout_string(name, sizeof(name), avccontext->channels,
+ avccontext->channel_layout);
+ av_log(avccontext, AV_LOG_ERROR, "%s not supported by Vorbis: "
+ "output stream will have incorrect "
+ "channel layout.\n", name);
+ } else {
+ av_log(avccontext, AV_LOG_WARNING, "No channel layout specified. The encoder "
+ "will use Vorbis channel layout for "
+ "%d channels.\n", avccontext->channels);
+ }
+ }
+
return vorbis_encode_setup_init(vi);
}