Signed-off-by: Vittorio Giovara <vittorio.giov...@gmail.com>
---
libavresample/utils.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/libavresample/utils.c b/libavresample/utils.c
index 5e4a9f3ac3..cadfd5474f 100644
--- a/libavresample/utils.c
+++ b/libavresample/utils.c
@@ -46,8 +46,10 @@ int avresample_open(AVAudioResampleContext *avr)
/* whitelist allowed channel orders */
if ( (avr->in_ch_layout.order != AV_CHANNEL_ORDER_NATIVE &&
+ avr->in_ch_layout.order != AV_CHANNEL_ORDER_AMBISONIC &&
avr->in_ch_layout.order != AV_CHANNEL_ORDER_UNSPEC) ||
(avr->out_ch_layout.order != AV_CHANNEL_ORDER_NATIVE &&
+ avr->out_ch_layout.order != AV_CHANNEL_ORDER_AMBISONIC &&
avr->out_ch_layout.order != AV_CHANNEL_ORDER_UNSPEC)) {
av_log(avr, AV_LOG_ERROR,
"Input or ouput channel order is not supported.\n");
@@ -73,6 +75,14 @@ int avresample_open(AVAudioResampleContext *avr)
av_channel_layout_default(&avr->out_ch_layout,
avr->out_ch_layout.nb_channels);
}
+ if (( avr->in_ch_layout.order == AV_CHANNEL_ORDER_AMBISONIC ||
+ avr->out_ch_layout.order == AV_CHANNEL_ORDER_AMBISONIC) &&
+ av_channel_layout_compare(&avr->in_ch_layout, &avr->out_ch_layout)) {
+ av_log(avr, AV_LOG_ERROR,
+ "Resampling to/from ambisonic channel layouts is not
supported.\n");
+ return AVERROR(ENOSYS);
+ }
+
/* set channel mixing parameters */
#if FF_API_OLD_CHANNEL_LAYOUT
if (avr->in_channel_layout) {
--
2.13.1
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