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va: allocator: Fix translation of VADRMPRIMESurfaceDescriptor

Browse source 
VADRMPRIMESurfaceDescriptor structure describes the offsets from the
point of view of the specific handle (DMABuf). While GstVideoInfo
(and the meta) describes offsets from the point of the view of the
GstBuffer, an aggregate of all the GstMemory (1 per handle).

This changes combined with [Mesa Fix](https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16813)
fixes decoding failure with AMD driver.

Fixes #1223

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2657>
This commit is contained in:
Nicolas Dufresne 2022-06-08 09:02:52 -04:00 committed by Tim-Philipp Müller
parent 3d160f4c9b
commit 9bcacb5ba4
1 changed files with 9 additions and 3 deletions
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12
subprojects/gst-plugins-bad/sys/va/gstvaallocator.c
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@ -513,6 +513,7 @@ gst_va_dmabuf_allocator_setup_buffer_full (GstAllocator * allocator,
VASurfaceID surface;
guint32 i, fourcc, rt_format, export_flags;
GDestroyNotify buffer_destroy = NULL;
gsize object_offset[4];
g_return_val_if_fail (GST_IS_VA_DMABUF_ALLOCATOR (allocator), FALSE);
@ -593,6 +594,7 @@ gst_va_dmabuf_allocator_setup_buffer_full (GstAllocator * allocator,
GstMemory *mem = gst_dmabuf_allocator_alloc (allocator, fd, size);
guint64 *drm_mod = g_new (guint64, 1);
object_offset[i] = gst_buffer_get_size (buffer);
gst_buffer_append_memory (buffer, mem);
buf->mems[i] = mem;
@ -615,18 +617,22 @@ gst_va_dmabuf_allocator_setup_buffer_full (GstAllocator * allocator,
drm_mod, g_free);
if (G_UNLIKELY (info))
GST_VIDEO_INFO_SIZE (info) += size;
GST_VIDEO_INFO_PLANE_OFFSET (info, i) = GST_VIDEO_INFO_SIZE (info);
GST_LOG_OBJECT (self, "buffer %p: new dmabuf %d / surface %#x [%dx%d] "
"size %" G_GSIZE_FORMAT " drm mod %#lx", buffer, fd, surface,
GST_VIDEO_INFO_WIDTH (&self->info), GST_VIDEO_INFO_HEIGHT (&self->info),
GST_VIDEO_INFO_SIZE (&self->info), *drm_mod);
size, *drm_mod);
}
if (G_UNLIKELY (info)) {
GST_VIDEO_INFO_SIZE (info) = gst_buffer_get_size (buffer);
for (i = 0; i < desc.num_layers; i++) {
g_assert (desc.layers[i].num_planes == 1);
GST_VIDEO_INFO_PLANE_OFFSET (info, i) = desc.layers[i].offset[0];
GST_VIDEO_INFO_PLANE_OFFSET (info, i) =
object_offset[desc.layers[i].object_index[0]] +
desc.layers[i].offset[0];
GST_VIDEO_INFO_PLANE_STRIDE (info, i) = desc.layers[i].pitch[0];
}
} else {