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gst: add buffer video meta support

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Fixes video buffer strides handling.
This enables passing of image datas with right line padding.
This commit is contained in:
Huang-Huang Bao 2023-02-03 13:02:49 +08:00 • committed by Wim Taymans
parent 38f88d3d25
commit 023577e391
5 changed files with 93 additions and 0 deletions
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14
src/gst/gstpipewiresink.c
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@ -142,6 +142,7 @@ gst_pipewire_sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
GstPipeWireSink *pwsink = GST_PIPEWIRE_SINK (bsink);
gst_query_add_allocation_pool (query, GST_BUFFER_POOL_CAST (pwsink->pool), 0, 0, 0);
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
return TRUE;
}
@ -504,6 +505,19 @@ do_send_buffer (GstPipeWireSink *pwsink, GstBuffer *buffer)
d->chunk->stride = 0;
}
GstVideoMeta *meta = gst_buffer_get_video_meta (buffer);
if (meta) {
if (meta->n_planes == b->n_datas) {
for (i = 0; i < meta->n_planes; i++) {
struct spa_data *d = &b->datas[i];
d->chunk->offset = meta->offset[i];
d->chunk->stride = meta->stride[i];
}
} else {
GST_ERROR ("plane num not matching, meta:%d buffer:%d", meta->n_planes, b->n_datas);
}
}
if ((res = pw_stream_queue_buffer (pwsink->stream, data->b)) < 0) {
g_warning ("can't send buffer %s", spa_strerror(res));
}