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va: Add a helper function to convert video drm info to video info

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4821>
This commit is contained in:
He Junyan 2023-06-08 21:53:28 +08:00 committed by GStreamer Marge Bot
parent 547f3e8622
commit 994ab957c1
2 changed files with 39 additions and 0 deletions
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34
subprojects/gst-plugins-bad/gst-libs/gst/va/gstvavideoformat.c
View file

@ -362,6 +362,40 @@ gst_va_video_surface_format_from_image_format (GstVideoFormat image_format,
return GST_VIDEO_FORMAT_UNKNOWN;
}
/* Convert the GstVideoInfoDmaDrm into a traditional GstVideoInfo
with recognized format. */
gboolean
gst_va_video_info_from_dma_info (GstVideoInfo * info,
const GstVideoInfoDmaDrm * drm_info)
{
GstVideoFormat video_format;
g_return_val_if_fail (drm_info, FALSE);
g_return_val_if_fail (info, FALSE);
if (GST_VIDEO_INFO_FORMAT (&drm_info->vinfo) != GST_VIDEO_FORMAT_ENCODED) {
*info = drm_info->vinfo;
return TRUE;
}
/* The non linear DMA format will be recognized as FORMAT_ENCODED,
but we still need to know its real format to set the info such
as pitch and stride. Because va plugins have its internal mapping
between drm fourcc and video format, we do not use the standard
conversion API here. */
video_format = gst_va_video_format_from_drm_fourcc (drm_info->drm_fourcc);
if (video_format == GST_VIDEO_FORMAT_UNKNOWN)
return FALSE;
*info = drm_info->vinfo;
if (!gst_video_info_set_format (info, video_format,
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info)))
return FALSE;
return TRUE;
}
static GstVideoFormat
find_gst_video_format_in_rgb32_map (VAImageFormat * image_format,
guint * drm_fourcc)

5
subprojects/gst-plugins-bad/gst-libs/gst/va/gstvavideoformat.h
View file

@ -54,6 +54,11 @@ GstVideoFormat gst_va_video_format_from_va_image_format (const VAImageFor
GST_VA_API
GstVideoFormat gst_va_video_surface_format_from_image_format (GstVideoFormat image_format,
GArray * surface_formats);
GST_VA_API
gboolean gst_va_video_info_from_dma_info (GstVideoInfo * info,
const GstVideoInfoDmaDrm * drm_info);
GST_VA_API
void gst_va_video_format_fix_map (VAImageFormat * image_formats,
gint num);