On 3/22/2024 1:01 PM, James Almer wrote:
Otherwise it would not be lossless.
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavutil/channel_layout.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/libavutil/channel_layout.c b/libavutil/channel_layout.c
index a83618bcc7..3054ee08a5 100644
--- a/libavutil/channel_layout.c
+++ b/libavutil/channel_layout.c
@@ -902,9 +902,11 @@ int av_channel_layout_retype(AVChannelLayout
*channel_layout, enum AVChannelOrde
lossy = 1;
}
if (!lossy || allow_lossy) {
+ void *opaque = channel_layout->opaque;
av_channel_layout_uninit(channel_layout);
channel_layout->order = AV_CHANNEL_ORDER_UNSPEC;
channel_layout->nb_channels = nb_channels;
+ channel_layout->opaque = opaque;
return lossy;
}
return AVERROR(ENOSYS);
@@ -916,8 +918,10 @@ int av_channel_layout_retype(AVChannelLayout
*channel_layout, enum AVChannelOrde
return AVERROR(ENOSYS);
lossy = has_channel_names(channel_layout);
if (!lossy || allow_lossy) {
+ void *opaque = channel_layout->opaque;
av_channel_layout_uninit(channel_layout);
av_channel_layout_from_mask(channel_layout, mask);
+ channel_layout->opaque = opaque;
return lossy;
}
}
@@ -925,6 +929,7 @@ int av_channel_layout_retype(AVChannelLayout
*channel_layout, enum AVChannelOrde
case AV_CHANNEL_ORDER_CUSTOM: {
AVChannelLayout custom = { 0 };
int ret = av_channel_layout_custom_init(&custom,
channel_layout->nb_channels);
+ void *opaque = channel_layout->opaque;
if (ret < 0)
return ret;
if (channel_layout->order != AV_CHANNEL_ORDER_UNSPEC)
@@ -932,6 +937,7 @@ int av_channel_layout_retype(AVChannelLayout
*channel_layout, enum AVChannelOrde
custom.u.map[i].id =
av_channel_layout_channel_from_index(channel_layout, i);
av_channel_layout_uninit(channel_layout);
*channel_layout = custom;
+ channel_layout->opaque = opaque;
return 0;
}
case AV_CHANNEL_ORDER_AMBISONIC:
@@ -946,10 +952,12 @@ int av_channel_layout_retype(AVChannelLayout
*channel_layout, enum AVChannelOrde
return AVERROR(ENOSYS);
lossy = has_channel_names(channel_layout);
if (!lossy || allow_lossy) {
+ void *opaque = channel_layout->opaque;
av_channel_layout_uninit(channel_layout);
channel_layout->order = AV_CHANNEL_ORDER_AMBISONIC;
channel_layout->nb_channels = nb_channels;
channel_layout->u.mask = mask;
+ channel_layout->opaque = opaque;
return lossy;
}
}
Will apply.
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