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gst: correct buffer & meta offset calculation

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The offset in GstVideoMeta point to location of merge-mapped buffer memories (see "gst_buffer_find_memory()") instead of raw memory location for each plane, make adjustment to comply this rule.

Also some cleanups.

Fixes 023577e391
This commit is contained in:
Huang-Huang Bao 2023-02-03 19:45:50 +08:00 • committed by Wim Taymans
parent 4f9f32084c
commit 4b60569c4a
2 changed files with 11 additions and 5 deletions
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7
src/gst/gstpipewiresink.c
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@ -508,13 +508,16 @@ do_send_buffer (GstPipeWireSink *pwsink, GstBuffer *buffer)
GstVideoMeta *meta = gst_buffer_get_video_meta (buffer);
if (meta) {
if (meta->n_planes == b->n_datas) {
gsize video_size = 0;
for (i = 0; i < meta->n_planes; i++) {
struct spa_data *d = &b->datas[i];
d->chunk->offset = meta->offset[i];
d->chunk->offset += meta->offset[i] - video_size;
d->chunk->stride = meta->stride[i];
video_size += d->chunk->size;
}
} else {
GST_ERROR ("plane num not matching, meta:%d buffer:%d", meta->n_planes, b->n_datas);
GST_ERROR ("plane num not matching, meta:%u buffer:%u", meta->n_planes, b->n_datas);
}
}