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msdk: bufferpool: set alignment to video meta

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else gst_video_meta_validate_alignment will report error like
"videometa gstvideometa.c:416:gst_video_meta_validate_alignment: Stride of plane 0 defined in meta (384) is different from the one computed from the alignment (320)"

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1224>
This commit is contained in:
Xu Guangxin 2020-04-29 16:19:08 +08:00 committed by Haihao Xiang
parent 0dfd05e574
commit cab1ddf48b
1 changed files with 16 additions and 6 deletions
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22
sys/msdk/gstmsdkbufferpool.c
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@ -54,6 +54,9 @@ struct _GstMsdkBufferPoolPrivate
mfxFrameAllocResponse *alloc_response;
GstMsdkMemoryType memory_type;
gboolean add_videometa;
gboolean need_alignment;
GstVideoAlignment alignment;
};
#define gst_msdk_buffer_pool_parent_class parent_class
@ -131,13 +134,13 @@ gst_msdk_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
priv->add_videometa = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
if (priv->add_videometa && gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT)) {
GstVideoAlignment alignment;
priv->need_alignment = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
gst_msdk_set_video_alignment (&video_info, 0, 0, &alignment);
gst_video_info_align (&video_info, &alignment);
gst_buffer_pool_config_set_video_alignment (config, &alignment);
if (priv->add_videometa && priv->need_alignment) {
gst_msdk_set_video_alignment (&video_info, 0, 0, &priv->alignment);
gst_video_info_align (&video_info, &priv->alignment);
gst_buffer_pool_config_set_video_alignment (config, &priv->alignment);
}
priv->memory_type = _msdk_get_memory_type (config);
@ -246,6 +249,13 @@ gst_msdk_buffer_pool_alloc_buffer (GstBufferPool * pool,
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info),
GST_VIDEO_INFO_N_PLANES (info), info->offset, info->stride);
if (priv->need_alignment) {
if (!gst_video_meta_set_alignment (vmeta, priv->alignment)) {
GST_ERROR_OBJECT (pool, "failed to set alignment");
return GST_FLOW_ERROR;
}
}
if (priv->memory_type == GST_MSDK_MEMORY_TYPE_VIDEO) {
vmeta->map = gst_video_meta_map_msdk_memory;
vmeta->unmap = gst_video_meta_unmap_msdk_memory;