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msdk: Add a helper function to get supported modifiers

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The modifiers will be used when creating caps for dma feature.

co-authored-by: Mengkejiergeli Ba <mengkejiergeli.ba@intel.com>

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5208>
This commit is contained in:
Yinhang Liu 2023-05-18 14:36:23 +08:00 committed by Mengkejiergeli Ba
parent ea6d602cca
commit 8100b04ea0
2 changed files with 72 additions and 0 deletions
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68
subprojects/gst-plugins-bad/sys/msdk/gstmsdkallocator_libva.c
View file

@ -32,6 +32,7 @@
#include <va/va.h>
#include <va/va_drmcommon.h>
#include <libdrm/drm_fourcc.h>
#include <unistd.h>
#include "gstmsdkallocator.h"
#include "gstmsdkallocator_libva.h"
@ -776,3 +777,70 @@ error_destroy_va_surface:
return FALSE;
}
}
static guint
_get_usage_hint (GstMsdkContextJobType job_type)
{
guint hint = VA_SURFACE_ATTRIB_USAGE_HINT_GENERIC;
switch (job_type) {
case GST_MSDK_JOB_DECODER:
hint |= VA_SURFACE_ATTRIB_USAGE_HINT_DECODER;
break;
case GST_MSDK_JOB_ENCODER:
hint |= VA_SURFACE_ATTRIB_USAGE_HINT_ENCODER;
break;
case GST_MSDK_JOB_VPP:
hint |= VA_SURFACE_ATTRIB_USAGE_HINT_VPP_READ |
VA_SURFACE_ATTRIB_USAGE_HINT_VPP_WRITE;
break;
default:
GST_WARNING ("Unsupported job type %d", job_type);
break;
}
return hint;
}
void
gst_msdk_get_supported_modifiers (GstMsdkContext * context,
GstMsdkContextJobType job_type, GstVideoFormat format, GValue * modifiers)
{
guint64 mod = DRM_FORMAT_MOD_INVALID;
guint64 mod_gen = DRM_FORMAT_MOD_INVALID;
GValue gmod = G_VALUE_INIT;
guint usage_hint = VA_SURFACE_ATTRIB_USAGE_HINT_GENERIC;
GstVaDisplay *display =
(GstVaDisplay *) gst_msdk_context_get_va_display (context);
g_value_init (&gmod, G_TYPE_UINT64);
mod = gst_va_dmabuf_get_modifier_for_format (display, format, usage_hint);
if (mod != DRM_FORMAT_MOD_INVALID && mod != DRM_FORMAT_MOD_LINEAR) {
g_value_set_uint64 (&gmod, mod);
gst_value_list_append_value (modifiers, &gmod);
}
usage_hint = _get_usage_hint (job_type);
if (usage_hint != VA_SURFACE_ATTRIB_USAGE_HINT_GENERIC) {
mod_gen =
gst_va_dmabuf_get_modifier_for_format (display, format, usage_hint);
if (mod_gen != mod && mod_gen != DRM_FORMAT_MOD_INVALID &&
mod_gen != DRM_FORMAT_MOD_LINEAR) {
g_value_set_uint64 (&gmod, mod_gen);
gst_value_list_append_value (modifiers, &gmod);
}
}
if (mod == DRM_FORMAT_MOD_LINEAR || mod_gen == DRM_FORMAT_MOD_LINEAR) {
g_value_set_uint64 (&gmod, DRM_FORMAT_MOD_LINEAR);
gst_value_list_append_value (modifiers, &gmod);
}
if (mod == DRM_FORMAT_MOD_INVALID && mod_gen == DRM_FORMAT_MOD_INVALID) {
GST_WARNING ("Failed to get modifier %s:0x%016llx",
gst_video_format_to_string (format), DRM_FORMAT_MOD_INVALID);
}
g_value_unset (&gmod);
}

4
subprojects/gst-plugins-bad/sys/msdk/gstmsdkallocator_libva.h
View file

@ -49,6 +49,10 @@ gboolean
gst_msdk_replace_mfx_memid (GstMsdkContext *context,
mfxFrameSurface1 *mfx_surface, VASurfaceID surface_id);
void
gst_msdk_get_supported_modifiers (GstMsdkContext * context,
GstMsdkContextJobType job_type, GstVideoFormat format, GValue * modifiers);
G_END_DECLS
#endif /* GST_MSDK_ALLOCATOR_LIBVA_H_ */