gstreamer/sys/va/gstvacaps.c

480 lines
14 KiB
C

/* GStreamer
* Copyright (C) 2020 Igalia, S.L.
* Author: Víctor Jáquez <vjaquez@igalia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvacaps.h"
#include <va/va_drmcommon.h>
#include "gstvadisplay.h"
#include "gstvaprofile.h"
#include "gstvavideoformat.h"
GST_DEBUG_CATEGORY_EXTERN (gst_va_display_debug);
#define GST_CAT_DEFAULT gst_va_display_debug
static const guint va_rt_format_list[] = {
#define R(name) G_PASTE (VA_RT_FORMAT_, name)
R (YUV420),
R (YUV422),
R (YUV444),
R (YUV411),
R (YUV400),
R (YUV420_10),
R (YUV422_10),
R (YUV444_10),
R (YUV420_12),
R (YUV422_12),
R (YUV444_12),
R (YUV420_10BPP),
R (RGB16),
R (RGB32),
R (RGBP),
R (RGB32_10),
R (RGB32_10BPP),
R (PROTECTED),
#undef R
};
VASurfaceAttrib *
gst_va_get_surface_attribs (GstVaDisplay * display, VAConfigID config,
guint * attrib_count)
{
VADisplay dpy;
VASurfaceAttrib *attribs;
VAStatus status;
dpy = gst_va_display_get_va_dpy (display);
gst_va_display_lock (display);
status = vaQuerySurfaceAttributes (dpy, config, NULL, attrib_count);
gst_va_display_unlock (display);
if (status != VA_STATUS_SUCCESS) {
GST_ERROR_OBJECT (display, "vaQuerySurfaceAttributes: %s",
vaErrorStr (status));
return NULL;
}
attribs = g_new (VASurfaceAttrib, *attrib_count);
gst_va_display_lock (display);
status = vaQuerySurfaceAttributes (dpy, config, attribs, attrib_count);
gst_va_display_unlock (display);
if (status != VA_STATUS_SUCCESS) {
GST_ERROR_OBJECT (display, "vaQuerySurfaceAttributes: %s",
vaErrorStr (status));
goto bail;
}
return attribs;
bail:
g_free (attribs);
return NULL;
}
gboolean
gst_caps_set_format_array (GstCaps * caps, GArray * formats)
{
GstVideoFormat fmt;
GValue v_formats = G_VALUE_INIT;
const gchar *format;
guint i;
g_return_val_if_fail (GST_IS_CAPS (caps), FALSE);
g_return_val_if_fail (formats, FALSE);
if (formats->len == 1) {
fmt = g_array_index (formats, GstVideoFormat, 0);
if (fmt == GST_VIDEO_FORMAT_UNKNOWN)
return FALSE;
format = gst_video_format_to_string (fmt);
if (!format)
return FALSE;
g_value_init (&v_formats, G_TYPE_STRING);
g_value_set_string (&v_formats, format);
} else if (formats->len > 1) {
gst_value_list_init (&v_formats, formats->len);
for (i = 0; i < formats->len; i++) {
GValue item = G_VALUE_INIT;
fmt = g_array_index (formats, GstVideoFormat, i);
if (fmt == GST_VIDEO_FORMAT_UNKNOWN)
continue;
format = gst_video_format_to_string (fmt);
if (!format)
continue;
g_value_init (&item, G_TYPE_STRING);
g_value_set_string (&item, format);
gst_value_list_append_value (&v_formats, &item);
g_value_unset (&item);
}
} else {
return FALSE;
}
gst_caps_set_value (caps, "format", &v_formats);
g_value_unset (&v_formats);
return TRUE;
}
GstCaps *
gst_va_create_raw_caps_from_config (GstVaDisplay * display, VAConfigID config)
{
GArray *formats;
GstCaps *caps = NULL, *base_caps, *feature_caps;
GstCapsFeatures *features;
GstVideoFormat format;
VASurfaceAttrib *attribs;
guint i, attrib_count, mem_type = 0;
gint min_width = 1, max_width = G_MAXINT;
gint min_height = 1, max_height = G_MAXINT;
attribs = gst_va_get_surface_attribs (display, config, &attrib_count);
if (!attribs)
return NULL;
formats = g_array_new (FALSE, FALSE, sizeof (GstVideoFormat));
for (i = 0; i < attrib_count; i++) {
if (attribs[i].value.type != VAGenericValueTypeInteger)
continue;
switch (attribs[i].type) {
case VASurfaceAttribPixelFormat:
format = gst_va_video_format_from_va_fourcc (attribs[i].value.value.i);
if (format != GST_VIDEO_FORMAT_UNKNOWN)
g_array_append_val (formats, format);
break;
case VASurfaceAttribMinWidth:
min_width = MAX (min_width, attribs[i].value.value.i);
break;
case VASurfaceAttribMaxWidth:
max_width = attribs[i].value.value.i;
break;
case VASurfaceAttribMinHeight:
min_height = MAX (min_height, attribs[i].value.value.i);
break;
case VASurfaceAttribMaxHeight:
max_height = attribs[i].value.value.i;
break;
case VASurfaceAttribMemoryType:
mem_type = attribs[i].value.value.i;
break;
default:
break;
}
}
/* if driver doesn't report surface formats for current
* chroma. Gallium AMD bug for 4:2:2 */
if (formats->len == 0)
goto bail;
base_caps = gst_caps_new_simple ("video/x-raw", "width", GST_TYPE_INT_RANGE,
min_width, max_width, "height", GST_TYPE_INT_RANGE, min_height,
max_height, NULL);
if (!gst_caps_set_format_array (base_caps, formats)) {
gst_caps_unref (base_caps);
goto bail;
}
caps = gst_caps_new_empty ();
if (mem_type & VA_SURFACE_ATTRIB_MEM_TYPE_VA) {
feature_caps = gst_caps_copy (base_caps);
features = gst_caps_features_from_string ("memory:VAMemory");
gst_caps_set_features_simple (feature_caps, features);
caps = gst_caps_merge (caps, feature_caps);
}
if (mem_type & VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME
|| mem_type & VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME_2) {
feature_caps = gst_caps_copy (base_caps);
features = gst_caps_features_from_string ("memory:DMABuf");
gst_caps_set_features_simple (feature_caps, features);
caps = gst_caps_merge (caps, feature_caps);
}
/* raw caps */
/* XXX(victor): assumption -- drivers can only download to image
* formats with same chroma of surface's format
*/
{
GstCaps *raw_caps;
GArray *image_formats = gst_va_display_get_image_formats (display);
if (!image_formats) {
raw_caps = gst_caps_copy (base_caps);
} else {
GArray *raw_formats = g_array_new (FALSE, FALSE, sizeof (GstVideoFormat));
guint j, surface_chroma, image_chroma;
GstVideoFormat image_format;
raw_caps =
gst_caps_new_simple ("video/x-raw", "width", GST_TYPE_INT_RANGE,
min_width, max_width, "height", GST_TYPE_INT_RANGE, min_height,
max_height, NULL);
for (i = 0; i < formats->len; i++) {
format = g_array_index (formats, GstVideoFormat, i);
surface_chroma = gst_va_chroma_from_video_format (format);
if (surface_chroma == 0)
continue;
g_array_append_val (raw_formats, format);
for (j = 0; j < image_formats->len; j++) {
image_format = g_array_index (image_formats, GstVideoFormat, j);
image_chroma = gst_va_chroma_from_video_format (image_format);
if (image_format != format && surface_chroma == image_chroma)
g_array_append_val (raw_formats, image_format);
}
}
if (!gst_caps_set_format_array (raw_caps, raw_formats)) {
gst_caps_unref (raw_caps);
raw_caps = gst_caps_copy (base_caps);
}
g_array_unref (raw_formats);
g_array_unref (image_formats);
}
caps = gst_caps_merge (caps, raw_caps);
}
gst_caps_unref (base_caps);
bail:
g_array_unref (formats);
g_free (attribs);
return caps;
}
static GstCaps *
gst_va_create_raw_caps (GstVaDisplay * display, VAProfile profile,
VAEntrypoint entrypoint, guint rt_format)
{
GstCaps *caps;
VAConfigAttrib attrib = {
.type = VAConfigAttribRTFormat,
.value = rt_format,
};
VAConfigID config;
VADisplay dpy;
VAStatus status;
dpy = gst_va_display_get_va_dpy (display);
gst_va_display_lock (display);
status = vaCreateConfig (dpy, profile, entrypoint, &attrib, 1, &config);
gst_va_display_unlock (display);
if (status != VA_STATUS_SUCCESS) {
GST_ERROR_OBJECT (display, "vaCreateConfig: %s", vaErrorStr (status));
return NULL;
}
caps = gst_va_create_raw_caps_from_config (display, config);
gst_va_display_lock (display);
status = vaDestroyConfig (dpy, config);
gst_va_display_unlock (display);
if (status != VA_STATUS_SUCCESS) {
GST_ERROR_OBJECT (display, "vaDestroyConfig: %s", vaErrorStr (status));
return NULL;
}
return caps;
}
static GstCaps *
gst_va_create_coded_caps (GstVaDisplay * display, VAProfile profile,
VAEntrypoint entrypoint, guint32 * rt_formats_ptr)
{
GstCaps *caps;
VAConfigAttrib attribs[] = {
{.type = VAConfigAttribMaxPictureWidth,},
{.type = VAConfigAttribMaxPictureHeight,},
{.type = VAConfigAttribRTFormat,},
};
VADisplay dpy;
VAStatus status;
guint32 value, rt_formats = 0;
gint i, max_width = -1, max_height = -1;
dpy = gst_va_display_get_va_dpy (display);
gst_va_display_lock (display);
status = vaGetConfigAttributes (dpy, profile, entrypoint, attribs,
G_N_ELEMENTS (attribs));
gst_va_display_unlock (display);
if (status != VA_STATUS_SUCCESS) {
GST_ERROR_OBJECT (display, "vaGetConfigAttributes: %s",
vaErrorStr (status));
return NULL;
}
for (i = 0; i < G_N_ELEMENTS (attribs); i++) {
value = attribs[i].value;
if (value == VA_ATTRIB_NOT_SUPPORTED)
continue;
switch (attribs[i].type) {
case VAConfigAttribMaxPictureHeight:
if (value <= G_MAXINT)
max_height = value;
break;
case VAConfigAttribMaxPictureWidth:
if (value <= G_MAXINT)
max_width = value;
break;
case VAConfigAttribRTFormat:
rt_formats = value;
break;
default:
break;
}
}
if (rt_formats_ptr)
*rt_formats_ptr = rt_formats;
caps = gst_va_profile_caps (profile);
if (!caps)
return NULL;
if (max_width == -1 || max_height == -1)
return caps;
gst_caps_set_simple (caps, "width", GST_TYPE_INT_RANGE, 1, max_width,
"height", GST_TYPE_INT_RANGE, 1, max_height, NULL);
return caps;
}
gboolean
gst_va_caps_from_profiles (GstVaDisplay * display, GArray * profiles,
VAEntrypoint entrypoint, GstCaps ** codedcaps_ptr, GstCaps ** rawcaps_ptr)
{
GstCaps *codedcaps, *rawcaps;
VAProfile profile;
gboolean ret;
gint i, j, k;
guint32 rt_formats;
gint min_width = 1, max_width = G_MAXINT;
gint min_height = 1, max_height = G_MAXINT;
g_return_val_if_fail (GST_IS_VA_DISPLAY (display), FALSE);
g_return_val_if_fail (profiles, FALSE);
codedcaps = gst_caps_new_empty ();
rawcaps = gst_caps_new_empty ();
for (i = 0; i < profiles->len; i++) {
GstCaps *profile_codedcaps;
profile = g_array_index (profiles, VAProfile, i);
profile_codedcaps = gst_va_create_coded_caps (display, profile, entrypoint,
&rt_formats);
if (!profile_codedcaps)
continue;
for (j = 0; rt_formats && j < G_N_ELEMENTS (va_rt_format_list); j++) {
if (rt_formats & va_rt_format_list[j]) {
GstCaps *profile_rawcaps = gst_va_create_raw_caps (display, profile,
entrypoint, va_rt_format_list[j]);
if (!profile_rawcaps)
continue;
/* fetch width and height ranges */
{
guint num_structures = gst_caps_get_size (profile_rawcaps);
for (k = 0; k < num_structures; k++) {
GstStructure *st = gst_caps_get_structure (profile_rawcaps, k);
if (!st)
continue;
if (gst_structure_has_field (st, "width")
&& gst_structure_has_field (st, "height")) {
const GValue *w = gst_structure_get_value (st, "width");
const GValue *h = gst_structure_get_value (st, "height");
min_width = MAX (min_width, gst_value_get_int_range_min (w));
max_width = MIN (max_width, gst_value_get_int_range_max (w));
min_height = MAX (min_height, gst_value_get_int_range_min (h));
max_height = MIN (max_height, gst_value_get_int_range_max (h));
}
}
}
rawcaps = gst_caps_merge (rawcaps, profile_rawcaps);
}
}
/* check frame size range was specified otherwise use the one used
* by the rawcaps */
{
guint num_structures = gst_caps_get_size (profile_codedcaps);
for (k = 0; k < num_structures; k++) {
GstStructure *st = gst_caps_get_structure (profile_codedcaps, k);
if (!st)
continue;
if (!gst_structure_has_field (st, "width"))
gst_structure_set (st, "width", GST_TYPE_INT_RANGE, min_width,
max_width, NULL);
if (!gst_structure_has_field (st, "height"))
gst_structure_set (st, "height", GST_TYPE_INT_RANGE, min_height,
max_height, NULL);
}
}
codedcaps = gst_caps_merge (codedcaps, profile_codedcaps);
}
if (gst_caps_is_empty (rawcaps))
gst_caps_replace (&rawcaps, NULL);
if (gst_caps_is_empty (codedcaps))
gst_caps_replace (&codedcaps, NULL);
if ((ret = codedcaps && rawcaps)) {
rawcaps = gst_caps_simplify (rawcaps);
codedcaps = gst_caps_simplify (codedcaps);
if (rawcaps_ptr)
*rawcaps_ptr = gst_caps_ref (rawcaps);
if (codedcaps_ptr)
*codedcaps_ptr = gst_caps_ref (codedcaps);
}
if (codedcaps)
gst_caps_unref (codedcaps);
if (rawcaps)
gst_caps_unref (rawcaps);
return ret;
}