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gstreamer/gst-libs/gst/vaapi/gstvaapidisplay.c
Sreerenj Balachandran d48ab9a3d6 Encode: Add support for Picture level Entrypoint 
This is useful for JPEG encoding which is utilizing picture level
entrypoint instead of slice level entrypoint like h264,mpeg2 etc.
2015-02-04 11:15:00 +02:00

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/*
* gstvaapidisplay.c - VA display abstraction
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2011-2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* SECTION:gstvaapidisplay
* @short_description: VA display abstraction
*/
#include "sysdeps.h"
#include <string.h>
#include "gstvaapiutils.h"
#include "gstvaapivalue.h"
#include "gstvaapidisplay.h"
#include "gstvaapidisplay_priv.h"
#include "gstvaapiworkarounds.h"
#include "gstvaapiversion.h"
#define DEBUG 1
#include "gstvaapidebug.h"
GST_DEBUG_CATEGORY (gst_debug_vaapi);
/* Ensure those symbols are actually defined in the resulting libraries */
#undef gst_vaapi_display_ref
#undef gst_vaapi_display_unref
#undef gst_vaapi_display_replace
typedef struct _GstVaapiConfig GstVaapiConfig;
struct _GstVaapiConfig
{
GstVaapiProfile profile;
GstVaapiEntrypoint entrypoint;
};
typedef struct _GstVaapiProperty GstVaapiProperty;
struct _GstVaapiProperty
{
const gchar *name;
VADisplayAttribute attribute;
gint old_value;
};
typedef struct _GstVaapiFormatInfo GstVaapiFormatInfo;
struct _GstVaapiFormatInfo
{
GstVideoFormat format;
guint flags;
};
#define DEFAULT_RENDER_MODE GST_VAAPI_RENDER_MODE_TEXTURE
#define DEFAULT_ROTATION GST_VAAPI_ROTATION_0
enum
{
PROP_0,
PROP_RENDER_MODE,
PROP_ROTATION,
PROP_HUE,
PROP_SATURATION,
PROP_BRIGHTNESS,
PROP_CONTRAST,
N_PROPERTIES
};
static GstVaapiDisplayCache *g_display_cache;
static GMutex g_display_cache_lock;
static GParamSpec *g_properties[N_PROPERTIES] = { NULL, };
static void gst_vaapi_display_properties_init (void);
static gboolean
get_attribute (GstVaapiDisplay * display, VADisplayAttribType type,
gint * value);
static gboolean
set_attribute (GstVaapiDisplay * display, VADisplayAttribType type, gint value);
static gboolean
get_color_balance (GstVaapiDisplay * display, guint prop_id, gfloat * v);
static gboolean
set_color_balance (GstVaapiDisplay * display, guint prop_id, gfloat v);
static void
libgstvaapi_init_once (void)
{
static gsize g_once = FALSE;
if (!g_once_init_enter (&g_once))
return;
GST_DEBUG_CATEGORY_INIT (gst_debug_vaapi, "vaapi", 0, "VA-API helper");
/* Dump gstreamer-vaapi version for debugging purposes */
GST_INFO ("gstreamer-vaapi version %s", GST_VAAPI_VERSION_ID);
gst_vaapi_display_properties_init ();
g_once_init_leave (&g_once, TRUE);
}
static GstVaapiDisplayCache *
get_display_cache (void)
{
GstVaapiDisplayCache *cache = NULL;
g_mutex_lock (&g_display_cache_lock);
if (!g_display_cache)
g_display_cache = gst_vaapi_display_cache_new ();
if (g_display_cache)
cache = gst_vaapi_display_cache_ref (g_display_cache);
g_mutex_unlock (&g_display_cache_lock);
return cache;
}
static void
free_display_cache (void)
{
g_mutex_lock (&g_display_cache_lock);
if (g_display_cache && gst_vaapi_display_cache_is_empty (g_display_cache))
gst_vaapi_display_cache_replace (&g_display_cache, NULL);
g_mutex_unlock (&g_display_cache_lock);
}
/* GstVaapiDisplayType enumerations */
GType
gst_vaapi_display_type_get_type (void)
{
static GType g_type = 0;
static const GEnumValue display_types[] = {
{GST_VAAPI_DISPLAY_TYPE_ANY,
"Auto detection", "any"},
#if USE_X11
{GST_VAAPI_DISPLAY_TYPE_X11,
"VA/X11 display", "x11"},
#endif
#if USE_GLX
{GST_VAAPI_DISPLAY_TYPE_GLX,
"VA/GLX display", "glx"},
#endif
#if USE_WAYLAND
{GST_VAAPI_DISPLAY_TYPE_WAYLAND,
"VA/Wayland display", "wayland"},
#endif
#if USE_DRM
{GST_VAAPI_DISPLAY_TYPE_DRM,
"VA/DRM display", "drm"},
#endif
{0, NULL, NULL},
};
if (!g_type)
g_type = g_enum_register_static ("GstVaapiDisplayType", display_types);
return g_type;
}
/**
* gst_vaapi_display_type_is_compatible:
* @type1: the #GstVaapiDisplayType to test
* @type2: the reference #GstVaapiDisplayType
*
* Compares whether #GstVaapiDisplay @type1 is compatible with @type2.
* That is, if @type2 is in "any" category, or derived from @type1.
*
* Returns: %TRUE if @type1 is compatible with @type2, %FALSE otherwise.
*/
gboolean
gst_vaapi_display_type_is_compatible (GstVaapiDisplayType type1,
GstVaapiDisplayType type2)
{
if (type1 == type2)
return TRUE;
switch (type1) {
case GST_VAAPI_DISPLAY_TYPE_GLX:
if (type2 == GST_VAAPI_DISPLAY_TYPE_X11)
return TRUE;
break;
default:
break;
}
return type2 == GST_VAAPI_DISPLAY_TYPE_ANY;
}
/* Append GstVideoFormat to formats array */
static inline void
append_format (GArray * formats, GstVideoFormat format, guint flags)
{
GstVaapiFormatInfo fi;
fi.format = format;
fi.flags = flags;
g_array_append_val (formats, fi);
}
/* Append VAImageFormats to formats array */
static void
append_formats (GArray * formats, const VAImageFormat * va_formats,
guint * flags, guint n)
{
GstVideoFormat format;
const GstVaapiFormatInfo *YV12_fip = NULL;
const GstVaapiFormatInfo *I420_fip = NULL;
guint i;
for (i = 0; i < n; i++) {
const VAImageFormat *const va_format = &va_formats[i];
const GstVaapiFormatInfo **fipp;
format = gst_vaapi_video_format_from_va_format (va_format);
if (format == GST_VIDEO_FORMAT_UNKNOWN) {
GST_DEBUG ("unsupported format %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (va_format->fourcc));
continue;
}
append_format (formats, format, flags ? flags[i] : 0);
switch (format) {
case GST_VIDEO_FORMAT_YV12:
fipp = &YV12_fip;
break;
case GST_VIDEO_FORMAT_I420:
fipp = &I420_fip;
break;
default:
fipp = NULL;
break;
}
if (fipp)
*fipp = &g_array_index (formats, GstVaapiFormatInfo, formats->len - 1);
}
/* Append I420 (resp. YV12) format if YV12 (resp. I420) is not
supported by the underlying driver */
if (YV12_fip && !I420_fip)
append_format (formats, GST_VIDEO_FORMAT_I420, YV12_fip->flags);
else if (I420_fip && !YV12_fip)
append_format (formats, GST_VIDEO_FORMAT_YV12, I420_fip->flags);
}
/* Sort image formats. Prefer YUV formats first */
static gint
compare_yuv_formats (gconstpointer a, gconstpointer b)
{
const GstVideoFormat fmt1 = ((GstVaapiFormatInfo *) a)->format;
const GstVideoFormat fmt2 = ((GstVaapiFormatInfo *) b)->format;
const gboolean is_fmt1_yuv = gst_vaapi_video_format_is_yuv (fmt1);
const gboolean is_fmt2_yuv = gst_vaapi_video_format_is_yuv (fmt2);
if (is_fmt1_yuv != is_fmt2_yuv)
return is_fmt1_yuv ? -1 : 1;
return ((gint) gst_vaapi_video_format_get_score (fmt1) -
(gint) gst_vaapi_video_format_get_score (fmt2));
}
/* Sort subpicture formats. Prefer RGB formats first */
static gint
compare_rgb_formats (gconstpointer a, gconstpointer b)
{
const GstVideoFormat fmt1 = ((GstVaapiFormatInfo *) a)->format;
const GstVideoFormat fmt2 = ((GstVaapiFormatInfo *) b)->format;
const gboolean is_fmt1_rgb = gst_vaapi_video_format_is_rgb (fmt1);
const gboolean is_fmt2_rgb = gst_vaapi_video_format_is_rgb (fmt2);
if (is_fmt1_rgb != is_fmt2_rgb)
return is_fmt1_rgb ? -1 : 1;
return ((gint) gst_vaapi_video_format_get_score (fmt1) -
(gint) gst_vaapi_video_format_get_score (fmt2));
}
/* Check if configs array contains profile at entrypoint */
static inline gboolean
find_config (GArray * configs,
GstVaapiProfile profile, GstVaapiEntrypoint entrypoint)
{
GstVaapiConfig *config;
guint i;
if (!configs)
return FALSE;
for (i = 0; i < configs->len; i++) {
config = &g_array_index (configs, GstVaapiConfig, i);
if (config->profile == profile && config->entrypoint == entrypoint)
return TRUE;
}
return FALSE;
}
/* HACK: append H.263 Baseline profile if MPEG-4:2 Simple profile is supported */
static void
append_h263_config (GArray * configs)
{
GstVaapiConfig *config, tmp_config;
GstVaapiConfig *mpeg4_simple_config = NULL;
GstVaapiConfig *h263_baseline_config = NULL;
guint i;
if (!WORKAROUND_H263_BASELINE_DECODE_PROFILE)
return;
if (!configs)
return;
for (i = 0; i < configs->len; i++) {
config = &g_array_index (configs, GstVaapiConfig, i);
if (config->profile == GST_VAAPI_PROFILE_MPEG4_SIMPLE)
mpeg4_simple_config = config;
else if (config->profile == GST_VAAPI_PROFILE_H263_BASELINE)
h263_baseline_config = config;
}
if (mpeg4_simple_config && !h263_baseline_config) {
tmp_config = *mpeg4_simple_config;
tmp_config.profile = GST_VAAPI_PROFILE_H263_BASELINE;
g_array_append_val (configs, tmp_config);
}
}
/* Sort profiles. Group per codec */
static gint
compare_profiles (gconstpointer a, gconstpointer b)
{
const GstVaapiConfig *const config1 = (GstVaapiConfig *) a;
const GstVaapiConfig *const config2 = (GstVaapiConfig *) b;
if (config1->profile == config2->profile)
return config1->entrypoint - config2->entrypoint;
return config1->profile - config2->profile;
}
/* Convert configs array to profiles as GstCaps */
static GArray *
get_profiles (GArray * configs)
{
GstVaapiConfig *config;
GArray *out_profiles;
guint i;
if (!configs)
return NULL;
out_profiles = g_array_new (FALSE, FALSE, sizeof (GstVaapiProfile));
if (!out_profiles)
return NULL;
for (i = 0; i < configs->len; i++) {
config = &g_array_index (configs, GstVaapiConfig, i);
g_array_append_val (out_profiles, config->profile);
}
return out_profiles;
}
/* Find format info */
static const GstVaapiFormatInfo *
find_format_info (GArray * formats, GstVideoFormat format)
{
const GstVaapiFormatInfo *fip;
guint i;
for (i = 0; i < formats->len; i++) {
fip = &g_array_index (formats, GstVaapiFormatInfo, i);
if (fip->format == format)
return fip;
}
return NULL;
}
/* Check if formats array contains format */
static inline gboolean
find_format (GArray * formats, GstVideoFormat format)
{
return find_format_info (formats, format) != NULL;
}
/* Convert formats array to GstCaps */
static GArray *
get_formats (GArray * formats)
{
const GstVaapiFormatInfo *fip;
GArray *out_formats;
guint i;
out_formats = g_array_new (FALSE, FALSE, sizeof (GstVideoFormat));
if (!out_formats)
return NULL;
for (i = 0; i < formats->len; i++) {
fip = &g_array_index (formats, GstVaapiFormatInfo, i);
g_array_append_val (out_formats, fip->format);
}
return out_formats;
}
/* Find display attribute */
static const GstVaapiProperty *
find_property (GArray * properties, const gchar * name)
{
GstVaapiProperty *prop;
guint i;
if (!name)
return NULL;
for (i = 0; i < properties->len; i++) {
prop = &g_array_index (properties, GstVaapiProperty, i);
if (strcmp (prop->name, name) == 0)
return prop;
}
return NULL;
}
#if 0
static const GstVaapiProperty *
find_property_by_type (GArray * properties, VADisplayAttribType type)
{
GstVaapiProperty *prop;
guint i;
for (i = 0; i < properties->len; i++) {
prop = &g_array_index (properties, GstVaapiProperty, i);
if (prop->attribute.type == type)
return prop;
}
return NULL;
}
#endif
static inline const GstVaapiProperty *
find_property_by_pspec (GstVaapiDisplay * display, GParamSpec * pspec)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
return find_property (priv->properties, pspec->name);
}
static guint
find_property_id (const gchar * name)
{
typedef struct
{
const gchar *name;
guint id;
} property_map;
static const property_map g_property_map[] = {
{GST_VAAPI_DISPLAY_PROP_RENDER_MODE, PROP_RENDER_MODE},
{GST_VAAPI_DISPLAY_PROP_ROTATION, PROP_ROTATION},
{GST_VAAPI_DISPLAY_PROP_HUE, PROP_HUE},
{GST_VAAPI_DISPLAY_PROP_SATURATION, PROP_SATURATION},
{GST_VAAPI_DISPLAY_PROP_BRIGHTNESS, PROP_BRIGHTNESS},
{GST_VAAPI_DISPLAY_PROP_CONTRAST, PROP_CONTRAST},
{NULL,}
};
const property_map *m;
for (m = g_property_map; m->name != NULL; m++) {
if (strcmp (m->name, name) == 0)
return m->id;
}
return 0;
}
/* Initialize VA profiles (decoders, encoders) */
static gboolean
ensure_profiles (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
VAProfile *profiles = NULL;
VAEntrypoint *entrypoints = NULL;
gint i, j, n, num_entrypoints;
VAStatus status;
gboolean success = FALSE;
if (priv->has_profiles)
return TRUE;
priv->decoders = g_array_new (FALSE, FALSE, sizeof (GstVaapiConfig));
if (!priv->decoders)
goto cleanup;
priv->encoders = g_array_new (FALSE, FALSE, sizeof (GstVaapiConfig));
if (!priv->encoders)
goto cleanup;
priv->has_profiles = TRUE;
/* VA profiles */
profiles = g_new (VAProfile, vaMaxNumProfiles (priv->display));
if (!profiles)
goto cleanup;
entrypoints = g_new (VAEntrypoint, vaMaxNumEntrypoints (priv->display));
if (!entrypoints)
goto cleanup;
n = 0;
status = vaQueryConfigProfiles (priv->display, profiles, &n);
if (!vaapi_check_status (status, "vaQueryConfigProfiles()"))
goto cleanup;
GST_DEBUG ("%d profiles", n);
for (i = 0; i < n; i++) {
#if VA_CHECK_VERSION(0,34,0)
/* Introduced in VA/VPP API */
if (profiles[i] == VAProfileNone)
continue;
#endif
GST_DEBUG (" %s", string_of_VAProfile (profiles[i]));
}
for (i = 0; i < n; i++) {
GstVaapiConfig config;
config.profile = gst_vaapi_profile (profiles[i]);
if (!config.profile)
continue;
status = vaQueryConfigEntrypoints (priv->display,
profiles[i], entrypoints, &num_entrypoints);
if (!vaapi_check_status (status, "vaQueryConfigEntrypoints()"))
continue;
for (j = 0; j < num_entrypoints; j++) {
config.entrypoint = gst_vaapi_entrypoint (entrypoints[j]);
switch (config.entrypoint) {
case GST_VAAPI_ENTRYPOINT_VLD:
case GST_VAAPI_ENTRYPOINT_IDCT:
case GST_VAAPI_ENTRYPOINT_MOCO:
g_array_append_val (priv->decoders, config);
break;
case GST_VAAPI_ENTRYPOINT_SLICE_ENCODE:
case GST_VAAPI_ENTRYPOINT_PICTURE_ENCODE:
g_array_append_val (priv->encoders, config);
break;
}
}
}
append_h263_config (priv->decoders);
g_array_sort (priv->decoders, compare_profiles);
g_array_sort (priv->encoders, compare_profiles);
/* Video processing API */
#if USE_VA_VPP
status = vaQueryConfigEntrypoints (priv->display, VAProfileNone,
entrypoints, &num_entrypoints);
if (vaapi_check_status (status, "vaQueryEntrypoints() [VAProfileNone]")) {
for (j = 0; j < num_entrypoints; j++) {
if (entrypoints[j] == VAEntrypointVideoProc)
priv->has_vpp = TRUE;
}
}
#endif
success = TRUE;
cleanup:
g_free (profiles);
g_free (entrypoints);
return success;
}
/* Initialize VA display attributes */
static gboolean
ensure_properties (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
VADisplayAttribute *display_attrs = NULL;
VAStatus status;
gint i, n;
gboolean success = FALSE;
if (priv->properties)
return TRUE;
priv->properties = g_array_new (FALSE, FALSE, sizeof (GstVaapiProperty));
if (!priv->properties)
goto cleanup;
/* VA display attributes */
display_attrs =
g_new (VADisplayAttribute, vaMaxNumDisplayAttributes (priv->display));
if (!display_attrs)
goto cleanup;
n = 0;
status = vaQueryDisplayAttributes (priv->display, display_attrs, &n);
if (!vaapi_check_status (status, "vaQueryDisplayAttributes()"))
goto cleanup;
GST_DEBUG ("%d display attributes", n);
for (i = 0; i < n; i++) {
VADisplayAttribute *const attr = &display_attrs[i];
GstVaapiProperty prop;
gint value;
GST_DEBUG (" %s", string_of_VADisplayAttributeType (attr->type));
switch (attr->type) {
#if !VA_CHECK_VERSION(0,34,0)
case VADisplayAttribDirectSurface:
prop.name = GST_VAAPI_DISPLAY_PROP_RENDER_MODE;
break;
#endif
case VADisplayAttribRenderMode:
prop.name = GST_VAAPI_DISPLAY_PROP_RENDER_MODE;
break;
case VADisplayAttribRotation:
prop.name = GST_VAAPI_DISPLAY_PROP_ROTATION;
break;
case VADisplayAttribHue:
prop.name = GST_VAAPI_DISPLAY_PROP_HUE;
break;
case VADisplayAttribSaturation:
prop.name = GST_VAAPI_DISPLAY_PROP_SATURATION;
break;
case VADisplayAttribBrightness:
prop.name = GST_VAAPI_DISPLAY_PROP_BRIGHTNESS;
break;
case VADisplayAttribContrast:
prop.name = GST_VAAPI_DISPLAY_PROP_CONTRAST;
break;
default:
prop.name = NULL;
break;
}
if (!prop.name)
continue;
/* Assume the attribute is really supported if we can get the
* actual and current value */
if (!get_attribute (display, attr->type, &value))
continue;
/* Some drivers (e.g. EMGD) have completely random initial
* values */
if (value < attr->min_value || value > attr->max_value)
continue;
prop.attribute = *attr;
prop.old_value = value;
g_array_append_val (priv->properties, prop);
}
success = TRUE;
cleanup:
g_free (display_attrs);
return success;
}
/* Initialize VA image formats */
static gboolean
ensure_image_formats (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
VAImageFormat *formats = NULL;
VAStatus status;
gint i, n;
gboolean success = FALSE;
if (priv->image_formats)
return TRUE;
priv->image_formats = g_array_new (FALSE, FALSE, sizeof (GstVaapiFormatInfo));
if (!priv->image_formats)
goto cleanup;
/* VA image formats */
formats = g_new (VAImageFormat, vaMaxNumImageFormats (priv->display));
if (!formats)
goto cleanup;
n = 0;
status = vaQueryImageFormats (priv->display, formats, &n);
if (!vaapi_check_status (status, "vaQueryImageFormats()"))
goto cleanup;
GST_DEBUG ("%d image formats", n);
for (i = 0; i < n; i++)
GST_DEBUG (" %" GST_FOURCC_FORMAT, GST_FOURCC_ARGS (formats[i].fourcc));
append_formats (priv->image_formats, formats, NULL, n);
g_array_sort (priv->image_formats, compare_yuv_formats);
success = TRUE;
cleanup:
g_free (formats);
return success;
}
/* Initialize VA subpicture formats */
static gboolean
ensure_subpicture_formats (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
VAImageFormat *formats = NULL;
unsigned int *flags = NULL;
VAStatus status;
guint i, n;
gboolean success = FALSE;
if (priv->subpicture_formats)
return TRUE;
priv->subpicture_formats =
g_array_new (FALSE, FALSE, sizeof (GstVaapiFormatInfo));
if (!priv->subpicture_formats)
goto cleanup;
/* VA subpicture formats */
n = vaMaxNumSubpictureFormats (priv->display);
formats = g_new (VAImageFormat, n);
if (!formats)
goto cleanup;
flags = g_new (guint, n);
if (!flags)
goto cleanup;
n = 0;
status = vaQuerySubpictureFormats (priv->display, formats, flags, &n);
if (!vaapi_check_status (status, "vaQuerySubpictureFormats()"))
goto cleanup;
GST_DEBUG ("%d subpicture formats", n);
for (i = 0; i < n; i++) {
GST_DEBUG (" %" GST_FOURCC_FORMAT, GST_FOURCC_ARGS (formats[i].fourcc));
flags[i] = to_GstVaapiSubpictureFlags (flags[i]);
}
append_formats (priv->subpicture_formats, formats, flags, n);
g_array_sort (priv->subpicture_formats, compare_rgb_formats);
success = TRUE;
cleanup:
g_free (formats);
g_free (flags);
return success;
}
static void
gst_vaapi_display_calculate_pixel_aspect_ratio (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
gdouble ratio, delta;
gint i, j, index, windex;
static const gint par[][2] = {
{1, 1}, /* regular screen */
{16, 15}, /* PAL TV */
{11, 10}, /* 525 line Rec.601 video */
{54, 59}, /* 625 line Rec.601 video */
{64, 45}, /* 1280x1024 on 16:9 display */
{5, 3}, /* 1280x1024 on 4:3 display */
{4, 3} /* 800x600 on 16:9 display */
};
/* First, calculate the "real" ratio based on the X values;
* which is the "physical" w/h divided by the w/h in pixels of the
* display */
if (!priv->width || !priv->height || !priv->width_mm || !priv->height_mm)
ratio = 1.0;
else
ratio = (gdouble) (priv->width_mm * priv->height) /
(priv->height_mm * priv->width);
GST_DEBUG ("calculated pixel aspect ratio: %f", ratio);
/* Now, find the one from par[][2] with the lowest delta to the real one */
#define DELTA(idx, w) (ABS(ratio - ((gdouble)par[idx][w] / par[idx][!(w)])))
delta = DELTA (0, 0);
index = 0;
windex = 0;
for (i = 1; i < G_N_ELEMENTS (par); i++) {
for (j = 0; j < 2; j++) {
const gdouble this_delta = DELTA (i, j);
if (this_delta < delta) {
index = i;
windex = j;
delta = this_delta;
}
}
}
#undef DELTA
priv->par_n = par[index][windex];
priv->par_d = par[index][windex ^ 1];
}
static void
gst_vaapi_display_destroy (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
if (priv->decoders) {
g_array_free (priv->decoders, TRUE);
priv->decoders = NULL;
}
if (priv->encoders) {
g_array_free (priv->encoders, TRUE);
priv->encoders = NULL;
}
if (priv->image_formats) {
g_array_free (priv->image_formats, TRUE);
priv->image_formats = NULL;
}
if (priv->subpicture_formats) {
g_array_free (priv->subpicture_formats, TRUE);
priv->subpicture_formats = NULL;
}
if (priv->properties) {
g_array_free (priv->properties, TRUE);
priv->properties = NULL;
}
if (priv->display) {
if (!priv->parent)
vaTerminate (priv->display);
priv->display = NULL;
}
if (!priv->use_foreign_display) {
GstVaapiDisplayClass *klass = GST_VAAPI_DISPLAY_GET_CLASS (display);
if (klass->close_display)
klass->close_display (display);
}
g_free (priv->display_name);
priv->display_name = NULL;
g_free (priv->vendor_string);
priv->vendor_string = NULL;
gst_vaapi_display_replace_internal (&priv->parent, NULL);
if (priv->cache) {
gst_vaapi_display_cache_lock (priv->cache);
gst_vaapi_display_cache_remove (priv->cache, display);
gst_vaapi_display_cache_unlock (priv->cache);
}
gst_vaapi_display_cache_replace (&priv->cache, NULL);
free_display_cache ();
}
static gboolean
gst_vaapi_display_create_unlocked (GstVaapiDisplay * display,
GstVaapiDisplayInitType init_type, gpointer init_value)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
const GstVaapiDisplayClass *const klass =
GST_VAAPI_DISPLAY_GET_CLASS (display);
gint major_version, minor_version;
VAStatus status;
GstVaapiDisplayInfo info;
const GstVaapiDisplayInfo *cached_info = NULL;
memset (&info, 0, sizeof (info));
info.display = display;
info.display_type = priv->display_type;
switch (init_type) {
case GST_VAAPI_DISPLAY_INIT_FROM_VA_DISPLAY:
info.va_display = init_value;
priv->display = init_value;
priv->use_foreign_display = TRUE;
break;
case GST_VAAPI_DISPLAY_INIT_FROM_DISPLAY_NAME:
if (klass->open_display && !klass->open_display (display, init_value))
return FALSE;
goto create_display;
case GST_VAAPI_DISPLAY_INIT_FROM_NATIVE_DISPLAY:
if (klass->bind_display && !klass->bind_display (display, init_value))
return FALSE;
// fall-through
create_display:
if (!klass->get_display || !klass->get_display (display, &info))
return FALSE;
priv->display = info.va_display;
priv->display_type = info.display_type;
priv->native_display = info.native_display;
if (klass->get_size)
klass->get_size (display, &priv->width, &priv->height);
if (klass->get_size_mm)
klass->get_size_mm (display, &priv->width_mm, &priv->height_mm);
gst_vaapi_display_calculate_pixel_aspect_ratio (display);
break;
}
if (!priv->display)
return FALSE;
cached_info = gst_vaapi_display_cache_lookup_by_va_display (priv->cache,
info.va_display);
if (cached_info) {
gst_vaapi_display_replace_internal (&priv->parent, cached_info->display);
priv->display_type = cached_info->display_type;
}
if (!priv->parent) {
status = vaInitialize (priv->display, &major_version, &minor_version);
if (!vaapi_check_status (status, "vaInitialize()"))
return FALSE;
GST_DEBUG ("VA-API version %d.%d", major_version, minor_version);
}
if (!cached_info) {
if (!gst_vaapi_display_cache_add (priv->cache, &info))
return FALSE;
}
g_free (priv->display_name);
priv->display_name = g_strdup (info.display_name);
return TRUE;
}
static gboolean
gst_vaapi_display_create (GstVaapiDisplay * display,
GstVaapiDisplayInitType init_type, gpointer init_value)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
GstVaapiDisplayCache *cache;
gboolean success;
cache = get_display_cache ();
if (!cache)
return FALSE;
gst_vaapi_display_cache_replace (&priv->cache, cache);
gst_vaapi_display_cache_unref (cache);
gst_vaapi_display_cache_lock (cache);
success = gst_vaapi_display_create_unlocked (display, init_type, init_value);
gst_vaapi_display_cache_unlock (cache);
return success;
}
static void
gst_vaapi_display_lock_default (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
if (priv->parent)
priv = GST_VAAPI_DISPLAY_GET_PRIVATE (priv->parent);
g_rec_mutex_lock (&priv->mutex);
}
static void
gst_vaapi_display_unlock_default (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
if (priv->parent)
priv = GST_VAAPI_DISPLAY_GET_PRIVATE (priv->parent);
g_rec_mutex_unlock (&priv->mutex);
}
static void
gst_vaapi_display_init (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
const GstVaapiDisplayClass *const dpy_class =
GST_VAAPI_DISPLAY_GET_CLASS (display);
priv->display_type = GST_VAAPI_DISPLAY_TYPE_ANY;
priv->par_n = 1;
priv->par_d = 1;
g_rec_mutex_init (&priv->mutex);
if (dpy_class->init)
dpy_class->init (display);
}
static void
gst_vaapi_display_finalize (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
gst_vaapi_display_destroy (display);
g_rec_mutex_clear (&priv->mutex);
}
void
gst_vaapi_display_class_init (GstVaapiDisplayClass * klass)
{
GstVaapiMiniObjectClass *const object_class =
GST_VAAPI_MINI_OBJECT_CLASS (klass);
GstVaapiDisplayClass *const dpy_class = GST_VAAPI_DISPLAY_CLASS (klass);
libgstvaapi_init_once ();
object_class->size = sizeof (GstVaapiDisplay);
object_class->finalize = (GDestroyNotify) gst_vaapi_display_finalize;
dpy_class->lock = gst_vaapi_display_lock_default;
dpy_class->unlock = gst_vaapi_display_unlock_default;
}
static void
gst_vaapi_display_properties_init (void)
{
/**
* GstVaapiDisplay:render-mode:
*
* The VA display rendering mode, expressed as a #GstVaapiRenderMode.
*/
g_properties[PROP_RENDER_MODE] =
g_param_spec_enum (GST_VAAPI_DISPLAY_PROP_RENDER_MODE,
"render mode",
"The display rendering mode",
GST_VAAPI_TYPE_RENDER_MODE, DEFAULT_RENDER_MODE, G_PARAM_READWRITE);
/**
* GstVaapiDisplay:rotation:
*
* The VA display rotation mode, expressed as a #GstVaapiRotation.
*/
g_properties[PROP_ROTATION] =
g_param_spec_enum (GST_VAAPI_DISPLAY_PROP_ROTATION,
"rotation",
"The display rotation mode",
GST_VAAPI_TYPE_ROTATION, DEFAULT_ROTATION, G_PARAM_READWRITE);
/**
* GstVaapiDisplay:hue:
*
* The VA display hue, expressed as a float value. Range is -180.0
* to 180.0. Default value is 0.0 and represents no modification.
*/
g_properties[PROP_HUE] =
g_param_spec_float (GST_VAAPI_DISPLAY_PROP_HUE,
"hue", "The display hue value", -180.0, 180.0, 0.0, G_PARAM_READWRITE);
/**
* GstVaapiDisplay:saturation:
*
* The VA display saturation, expressed as a float value. Range is
* 0.0 to 2.0. Default value is 1.0 and represents no modification.
*/
g_properties[PROP_SATURATION] =
g_param_spec_float (GST_VAAPI_DISPLAY_PROP_SATURATION,
"saturation",
"The display saturation value", 0.0, 2.0, 1.0, G_PARAM_READWRITE);
/**
* GstVaapiDisplay:brightness:
*
* The VA display brightness, expressed as a float value. Range is
* -1.0 to 1.0. Default value is 0.0 and represents no modification.
*/
g_properties[PROP_BRIGHTNESS] =
g_param_spec_float (GST_VAAPI_DISPLAY_PROP_BRIGHTNESS,
"brightness",
"The display brightness value", -1.0, 1.0, 0.0, G_PARAM_READWRITE);
/**
* GstVaapiDisplay:contrast:
*
* The VA display contrast, expressed as a float value. Range is 0.0
* to 2.0. Default value is 1.0 and represents no modification.
*/
g_properties[PROP_CONTRAST] =
g_param_spec_float (GST_VAAPI_DISPLAY_PROP_CONTRAST,
"contrast",
"The display contrast value", 0.0, 2.0, 1.0, G_PARAM_READWRITE);
}
static inline const GstVaapiDisplayClass *
gst_vaapi_display_class (void)
{
static GstVaapiDisplayClass g_class;
static gsize g_class_init = FALSE;
if (g_once_init_enter (&g_class_init)) {
gst_vaapi_display_class_init (&g_class);
g_once_init_leave (&g_class_init, TRUE);
}
return &g_class;
}
GstVaapiDisplay *
gst_vaapi_display_new (const GstVaapiDisplayClass * klass,
GstVaapiDisplayInitType init_type, gpointer init_value)
{
GstVaapiDisplay *display;
display = (GstVaapiDisplay *)
gst_vaapi_mini_object_new0 (GST_VAAPI_MINI_OBJECT_CLASS (klass));
if (!display)
return NULL;
gst_vaapi_display_init (display);
if (!gst_vaapi_display_create (display, init_type, init_value))
goto error;
return display;
error:
gst_vaapi_display_unref_internal (display);
return NULL;
}
/**
* gst_vaapi_display_new_with_display:
* @va_display: a #VADisplay
*
* Creates a new #GstVaapiDisplay, using @va_display as the VA
* display.
*
* Return value: the newly created #GstVaapiDisplay object
*/
GstVaapiDisplay *
gst_vaapi_display_new_with_display (VADisplay va_display)
{
GstVaapiDisplayCache *const cache = get_display_cache ();
const GstVaapiDisplayInfo *info;
g_return_val_if_fail (va_display != NULL, NULL);
g_return_val_if_fail (cache != NULL, NULL);
info = gst_vaapi_display_cache_lookup_by_va_display (cache, va_display);
if (info)
return gst_vaapi_display_ref_internal (info->display);
return gst_vaapi_display_new (gst_vaapi_display_class (),
GST_VAAPI_DISPLAY_INIT_FROM_VA_DISPLAY, va_display);
}
/**
* gst_vaapi_display_ref:
* @display: a #GstVaapiDisplay
*
* Atomically increases the reference count of the given @display by one.
*
* Returns: The same @display argument
*/
GstVaapiDisplay *
gst_vaapi_display_ref (GstVaapiDisplay * display)
{
return gst_vaapi_display_ref_internal (display);
}
/**
* gst_vaapi_display_unref:
* @display: a #GstVaapiDisplay
*
* Atomically decreases the reference count of the @display by one. If
* the reference count reaches zero, the display will be free'd.
*/
void
gst_vaapi_display_unref (GstVaapiDisplay * display)
{
gst_vaapi_display_unref_internal (display);
}
/**
* gst_vaapi_display_replace:
* @old_display_ptr: a pointer to a #GstVaapiDisplay
* @new_display: a #GstVaapiDisplay
*
* Atomically replaces the display display held in @old_display_ptr
* with @new_display. This means that @old_display_ptr shall reference
* a valid display. However, @new_display can be NULL.
*/
void
gst_vaapi_display_replace (GstVaapiDisplay ** old_display_ptr,
GstVaapiDisplay * new_display)
{
gst_vaapi_display_replace_internal (old_display_ptr, new_display);
}
/**
* gst_vaapi_display_lock:
* @display: a #GstVaapiDisplay
*
* Locks @display. If @display is already locked by another thread,
* the current thread will block until @display is unlocked by the
* other thread.
*/
void
gst_vaapi_display_lock (GstVaapiDisplay * display)
{
GstVaapiDisplayClass *klass;
g_return_if_fail (display != NULL);
klass = GST_VAAPI_DISPLAY_GET_CLASS (display);
if (klass->lock)
klass->lock (display);
}
/**
* gst_vaapi_display_unlock:
* @display: a #GstVaapiDisplay
*
* Unlocks @display. If another thread is blocked in a
* gst_vaapi_display_lock() call for @display, it will be woken and
* can lock @display itself.
*/
void
gst_vaapi_display_unlock (GstVaapiDisplay * display)
{
GstVaapiDisplayClass *klass;
g_return_if_fail (display != NULL);
klass = GST_VAAPI_DISPLAY_GET_CLASS (display);
if (klass->unlock)
klass->unlock (display);
}
/**
* gst_vaapi_display_sync:
* @display: a #GstVaapiDisplay
*
* Flushes any requests queued for the windowing system and waits until
* all requests have been handled. This is often used for making sure
* that the display is synchronized with the current state of the program.
*
* This is most useful for X11. On windowing systems where requests are
* handled synchronously, this function will do nothing.
*/
void
gst_vaapi_display_sync (GstVaapiDisplay * display)
{
GstVaapiDisplayClass *klass;
g_return_if_fail (display != NULL);
klass = GST_VAAPI_DISPLAY_GET_CLASS (display);
if (klass->sync)
klass->sync (display);
else if (klass->flush)
klass->flush (display);
}
/**
* gst_vaapi_display_flush:
* @display: a #GstVaapiDisplay
*
* Flushes any requests queued for the windowing system.
*
* This is most useful for X11. On windowing systems where requests
* are handled synchronously, this function will do nothing.
*/
void
gst_vaapi_display_flush (GstVaapiDisplay * display)
{
GstVaapiDisplayClass *klass;
g_return_if_fail (display != NULL);
klass = GST_VAAPI_DISPLAY_GET_CLASS (display);
if (klass->flush)
klass->flush (display);
}
/**
* gst_vaapi_display_get_class_type:
* @display: a #GstVaapiDisplay
*
* Returns the #GstVaapiDisplayType of @display. This is the type of
* the object, thus the associated class, not the type of the VA
* display.
*
* Return value: the #GstVaapiDisplayType
*/
GstVaapiDisplayType
gst_vaapi_display_get_class_type (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, GST_VAAPI_DISPLAY_TYPE_ANY);
return GST_VAAPI_DISPLAY_GET_CLASS_TYPE (display);
}
/**
* gst_vaapi_display_get_display_type:
* @display: a #GstVaapiDisplay
*
* Returns the #GstVaapiDisplayType of the VA display bound to
* @display. This is not the type of the @display object.
*
* Return value: the #GstVaapiDisplayType
*/
GstVaapiDisplayType
gst_vaapi_display_get_display_type (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, GST_VAAPI_DISPLAY_TYPE_ANY);
return GST_VAAPI_DISPLAY_VADISPLAY_TYPE (display);
}
/**
* gst_vaapi_display_get_display_type:
* @display: a #GstVaapiDisplay
*
* Returns the @display name.
*
* Return value: the display name
*/
const gchar *
gst_vaapi_display_get_display_name (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, NULL);
return GST_VAAPI_DISPLAY_GET_PRIVATE (display)->display_name;
}
/**
* gst_vaapi_display_get_display:
* @display: a #GstVaapiDisplay
*
* Returns the #VADisplay bound to @display.
*
* Return value: the #VADisplay
*/
VADisplay
gst_vaapi_display_get_display (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, NULL);
return GST_VAAPI_DISPLAY_GET_PRIVATE (display)->display;
}
/**
* gst_vaapi_display_get_width:
* @display: a #GstVaapiDisplay
*
* Retrieves the width of a #GstVaapiDisplay.
*
* Return value: the width of the @display, in pixels
*/
guint
gst_vaapi_display_get_width (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, 0);
return GST_VAAPI_DISPLAY_GET_PRIVATE (display)->width;
}
/**
* gst_vaapi_display_get_height:
* @display: a #GstVaapiDisplay
*
* Retrieves the height of a #GstVaapiDisplay
*
* Return value: the height of the @display, in pixels
*/
guint
gst_vaapi_display_get_height (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, 0);
return GST_VAAPI_DISPLAY_GET_PRIVATE (display)->height;
}
/**
* gst_vaapi_display_get_size:
* @display: a #GstVaapiDisplay
* @pwidth: return location for the width, or %NULL
* @pheight: return location for the height, or %NULL
*
* Retrieves the dimensions of a #GstVaapiDisplay.
*/
void
gst_vaapi_display_get_size (GstVaapiDisplay * display, guint * pwidth,
guint * pheight)
{
g_return_if_fail (GST_VAAPI_DISPLAY (display));
if (pwidth)
*pwidth = GST_VAAPI_DISPLAY_GET_PRIVATE (display)->width;
if (pheight)
*pheight = GST_VAAPI_DISPLAY_GET_PRIVATE (display)->height;
}
/**
* gst_vaapi_display_get_pixel_aspect_ratio:
* @display: a #GstVaapiDisplay
* @par_n: return location for the numerator of pixel aspect ratio, or %NULL
* @par_d: return location for the denominator of pixel aspect ratio, or %NULL
*
* Retrieves the pixel aspect ratio of a #GstVaapiDisplay.
*/
void
gst_vaapi_display_get_pixel_aspect_ratio (GstVaapiDisplay * display,
guint * par_n, guint * par_d)
{
g_return_if_fail (display != NULL);
if (par_n)
*par_n = GST_VAAPI_DISPLAY_GET_PRIVATE (display)->par_n;
if (par_d)
*par_d = GST_VAAPI_DISPLAY_GET_PRIVATE (display)->par_d;
}
/**
* gst_vaapi_display_has_video_processing:
* @display: a #GstVaapiDisplay
*
* Checks whether the underlying VA driver implementation supports
* video processing (VPP) acceleration.
*
* Returns: %TRUE if some VPP features are available
*/
gboolean
gst_vaapi_display_has_video_processing (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, FALSE);
if (!ensure_profiles (display))
return FALSE;
return GST_VAAPI_DISPLAY_GET_PRIVATE (display)->has_vpp;
}
/**
* gst_vaapi_display_get_decode_profiles:
* @display: a #GstVaapiDisplay
*
* Gets the supported profiles for decoding. The caller owns an extra
* reference to the resulting array of #GstVaapiProfile elements, so
* it shall be released with g_array_unref() after usage.
*
* Return value: a newly allocated #GArray, or %NULL or error or if
* decoding is not supported at all
*/
GArray *
gst_vaapi_display_get_decode_profiles (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, NULL);
if (!ensure_profiles (display))
return NULL;
return get_profiles (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->decoders);
}
/**
* gst_vaapi_display_has_decoder:
* @display: a #GstVaapiDisplay
* @profile: a #VAProfile
* @entrypoint: a #GstVaaiEntrypoint
*
* Returns whether VA @display supports @profile for decoding at the
* specified @entrypoint.
*
* Return value: %TRUE if VA @display supports @profile for decoding.
*/
gboolean
gst_vaapi_display_has_decoder (GstVaapiDisplay * display,
GstVaapiProfile profile, GstVaapiEntrypoint entrypoint)
{
g_return_val_if_fail (display != NULL, FALSE);
if (!ensure_profiles (display))
return FALSE;
return find_config (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->decoders,
profile, entrypoint);
}
/**
* gst_vaapi_display_get_encode_profiles:
* @display: a #GstVaapiDisplay
*
* Gets the supported profiles for encoding. The caller owns an extra
* reference to the resulting array of #GstVaapiProfile elements, so
* it shall be released with g_array_unref() after usage.
*
* Return value: a newly allocated #GArray, or %NULL or error or if
* encoding is not supported at all
*/
GArray *
gst_vaapi_display_get_encode_profiles (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, NULL);
if (!ensure_profiles (display))
return NULL;
return get_profiles (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->encoders);
}
/**
* gst_vaapi_display_has_encoder:
* @display: a #GstVaapiDisplay
* @profile: a #VAProfile
* @entrypoint: a #GstVaapiEntrypoint
*
* Returns whether VA @display supports @profile for encoding at the
* specified @entrypoint.
*
* Return value: %TRUE if VA @display supports @profile for encoding.
*/
gboolean
gst_vaapi_display_has_encoder (GstVaapiDisplay * display,
GstVaapiProfile profile, GstVaapiEntrypoint entrypoint)
{
g_return_val_if_fail (display != NULL, FALSE);
if (!ensure_profiles (display))
return FALSE;
return find_config (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->encoders,
profile, entrypoint);
}
/**
* gst_vaapi_display_get_image_formats:
* @display: a #GstVaapiDisplay
*
* Gets the supported image formats for gst_vaapi_surface_get_image()
* or gst_vaapi_surface_put_image().
*
* Note that this method does not necessarily map image formats
* returned by vaQueryImageFormats(). The set of capabilities can be
* stripped down, if gstreamer-vaapi does not support the format, or
* expanded to cover compatible formats not exposed by the underlying
* driver. e.g. I420 can be supported even if the driver only exposes
* YV12.
*
* Note: the caller owns an extra reference to the resulting array of
* #GstVideoFormat elements, so it shall be released with
* g_array_unref() after usage.
*
* Return value: a newly allocated #GArray, or %NULL on error or if
* the set is empty
*/
GArray *
gst_vaapi_display_get_image_formats (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, NULL);
if (!ensure_image_formats (display))
return NULL;
return get_formats (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->image_formats);
}
/**
* gst_vaapi_display_has_image_format:
* @display: a #GstVaapiDisplay
* @format: a #GstVideoFormat
*
* Returns whether VA @display supports @format image format.
*
* Return value: %TRUE if VA @display supports @format image format
*/
gboolean
gst_vaapi_display_has_image_format (GstVaapiDisplay * display,
GstVideoFormat format)
{
GstVaapiDisplayPrivate *priv;
g_return_val_if_fail (display != NULL, FALSE);
g_return_val_if_fail (format, FALSE);
priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
if (!ensure_image_formats (display))
return FALSE;
if (find_format (priv->image_formats, format))
return TRUE;
/* XXX: try subpicture formats since some drivers could report a
* set of VA image formats that is not a superset of the set of VA
* subpicture formats
*/
if (!ensure_subpicture_formats (display))
return FALSE;
return find_format (priv->subpicture_formats, format);
}
/**
* gst_vaapi_display_get_subpicture_formats:
* @display: a #GstVaapiDisplay
*
* Gets the supported subpicture formats.
*
* Note that this method does not necessarily map subpicture formats
* returned by vaQuerySubpictureFormats(). The set of capabilities can
* be stripped down if gstreamer-vaapi does not support the
* format. e.g. this is the case for paletted formats like IA44.
*
* Note: the caller owns an extra reference to the resulting array of
* #GstVideoFormat elements, so it shall be released with
* g_array_unref() after usage.
*
* Return value: a newly allocated #GArray, or %NULL on error of if
* the set is empty
*/
GArray *
gst_vaapi_display_get_subpicture_formats (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, NULL);
if (!ensure_subpicture_formats (display))
return NULL;
return get_formats (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->
subpicture_formats);
}
/**
* gst_vaapi_display_has_subpicture_format:
* @display: a #GstVaapiDisplay
* @format: a #GstVideoFormat
* @flags_ptr: pointer to #GstVaapiSubpictureFlags, or zero
*
* Returns whether VA @display supports @format subpicture format with
* the supplied @flags.
*
* Return value: %TRUE if VA @display supports @format subpicture format
*/
gboolean
gst_vaapi_display_has_subpicture_format (GstVaapiDisplay * display,
GstVideoFormat format, guint * flags_ptr)
{
GstVaapiDisplayPrivate *priv;
const GstVaapiFormatInfo *fip;
g_return_val_if_fail (display != NULL, FALSE);
g_return_val_if_fail (format, FALSE);
priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
if (!ensure_subpicture_formats (display))
return FALSE;
fip = find_format_info (priv->subpicture_formats, format);
if (!fip)
return FALSE;
if (flags_ptr)
*flags_ptr = fip->flags;
return TRUE;
}
/**
* gst_vaapi_display_has_property:
* @display: a #GstVaapiDisplay
* @name: the property name to check
*
* Returns whether VA @display supports the requested property. The
* check is performed against the property @name. So, the client
* application may perform this check only once and cache this
* information.
*
* Return value: %TRUE if VA @display supports property @name
*/
gboolean
gst_vaapi_display_has_property (GstVaapiDisplay * display, const gchar * name)
{
g_return_val_if_fail (display != NULL, FALSE);
g_return_val_if_fail (name, FALSE);
if (!ensure_properties (display))
return FALSE;
return find_property (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->properties,
name) != NULL;
}
gboolean
gst_vaapi_display_get_property (GstVaapiDisplay * display, const gchar * name,
GValue * out_value)
{
const GstVaapiProperty *prop;
g_return_val_if_fail (display != NULL, FALSE);
g_return_val_if_fail (name != NULL, FALSE);
g_return_val_if_fail (out_value != NULL, FALSE);
if (!ensure_properties (display))
return FALSE;
prop =
find_property (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->properties, name);
if (!prop)
return FALSE;
switch (prop->attribute.type) {
case VADisplayAttribRenderMode:{
GstVaapiRenderMode mode;
if (!gst_vaapi_display_get_render_mode (display, &mode))
return FALSE;
g_value_init (out_value, GST_VAAPI_TYPE_RENDER_MODE);
g_value_set_enum (out_value, mode);
break;
}
case VADisplayAttribRotation:{
GstVaapiRotation rotation;
rotation = gst_vaapi_display_get_rotation (display);
g_value_init (out_value, GST_VAAPI_TYPE_ROTATION);
g_value_set_enum (out_value, rotation);
break;
}
case VADisplayAttribHue:
case VADisplayAttribSaturation:
case VADisplayAttribBrightness:
case VADisplayAttribContrast:{
gfloat value;
if (!get_color_balance (display, find_property_id (name), &value))
return FALSE;
g_value_init (out_value, G_TYPE_FLOAT);
g_value_set_float (out_value, value);
break;
}
default:
GST_WARNING ("unsupported property '%s'", name);
return FALSE;
}
return TRUE;
}
gboolean
gst_vaapi_display_set_property (GstVaapiDisplay * display, const gchar * name,
const GValue * value)
{
const GstVaapiProperty *prop;
g_return_val_if_fail (display != NULL, FALSE);
g_return_val_if_fail (name != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
if (!ensure_properties (display))
return FALSE;
prop =
find_property (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->properties, name);
if (!prop)
return FALSE;
switch (prop->attribute.type) {
case VADisplayAttribRenderMode:{
GstVaapiRenderMode mode;
if (!G_VALUE_HOLDS (value, GST_VAAPI_TYPE_RENDER_MODE))
return FALSE;
mode = g_value_get_enum (value);
return gst_vaapi_display_set_render_mode (display, mode);
}
case VADisplayAttribRotation:{
GstVaapiRotation rotation;
if (!G_VALUE_HOLDS (value, GST_VAAPI_TYPE_ROTATION))
return FALSE;
rotation = g_value_get_enum (value);
return gst_vaapi_display_set_rotation (display, rotation);
}
case VADisplayAttribHue:
case VADisplayAttribSaturation:
case VADisplayAttribBrightness:
case VADisplayAttribContrast:{
gfloat v;
if (!G_VALUE_HOLDS (value, G_TYPE_FLOAT))
return FALSE;
v = g_value_get_float (value);
return set_color_balance (display, find_property_id (name), v);
}
default:
break;
}
GST_WARNING ("unsupported property '%s'", name);
return FALSE;
}
static gboolean
get_attribute (GstVaapiDisplay * display, VADisplayAttribType type,
gint * value)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
VADisplayAttribute attr;
VAStatus status;
attr.type = type;
attr.flags = VA_DISPLAY_ATTRIB_GETTABLE;
status = vaGetDisplayAttributes (priv->display, &attr, 1);
if (!vaapi_check_status (status, "vaGetDisplayAttributes()"))
return FALSE;
*value = attr.value;
return TRUE;
}
static gboolean
set_attribute (GstVaapiDisplay * display, VADisplayAttribType type, gint value)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
VADisplayAttribute attr;
VAStatus status;
attr.type = type;
attr.value = value;
attr.flags = VA_DISPLAY_ATTRIB_SETTABLE;
status = vaSetDisplayAttributes (priv->display, &attr, 1);
if (!vaapi_check_status (status, "vaSetDisplayAttributes()"))
return FALSE;
return TRUE;
}
static gboolean
get_render_mode_VADisplayAttribRenderMode (GstVaapiDisplay * display,
GstVaapiRenderMode * pmode)
{
gint modes, devices;
if (!get_attribute (display, VADisplayAttribRenderDevice, &devices))
return FALSE;
if (!devices)
return FALSE;
if (!get_attribute (display, VADisplayAttribRenderMode, &modes))
return FALSE;
/* Favor "overlay" mode since it is the most restrictive one */
if (modes & (VA_RENDER_MODE_LOCAL_OVERLAY | VA_RENDER_MODE_EXTERNAL_OVERLAY))
*pmode = GST_VAAPI_RENDER_MODE_OVERLAY;
else
*pmode = GST_VAAPI_RENDER_MODE_TEXTURE;
return TRUE;
}
static gboolean
get_render_mode_VADisplayAttribDirectSurface (GstVaapiDisplay * display,
GstVaapiRenderMode * pmode)
{
#if VA_CHECK_VERSION(0,34,0)
/* VADisplayAttribDirectsurface was removed in VA-API >= 0.34.0 */
return FALSE;
#else
gint direct_surface;
if (!get_attribute (display, VADisplayAttribDirectSurface, &direct_surface))
return FALSE;
if (direct_surface)
*pmode = GST_VAAPI_RENDER_MODE_OVERLAY;
else
*pmode = GST_VAAPI_RENDER_MODE_TEXTURE;
return TRUE;
#endif
}
static gboolean
get_render_mode_default (GstVaapiDisplay * display, GstVaapiRenderMode * pmode)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
switch (priv->display_type) {
#if USE_WAYLAND
case GST_VAAPI_DISPLAY_TYPE_WAYLAND:
/* wl_buffer mapped from VA surface through vaGetSurfaceBufferWl() */
*pmode = GST_VAAPI_RENDER_MODE_OVERLAY;
break;
#endif
#if USE_DRM
case GST_VAAPI_DISPLAY_TYPE_DRM:
/* vaGetSurfaceBufferDRM() returns the underlying DRM buffer handle */
*pmode = GST_VAAPI_RENDER_MODE_OVERLAY;
break;
#endif
default:
/* This includes VA/X11 and VA/GLX modes */
*pmode = DEFAULT_RENDER_MODE;
break;
}
return TRUE;
}
/**
* gst_vaapi_display_get_render_mode:
* @display: a #GstVaapiDisplay
* @pmode: return location for the VA @display rendering mode
*
* Returns the current VA @display rendering mode.
*
* Return value: %TRUE if VA @display rendering mode could be determined
*/
gboolean
gst_vaapi_display_get_render_mode (GstVaapiDisplay * display,
GstVaapiRenderMode * pmode)
{
g_return_val_if_fail (display != NULL, FALSE);
/* Try with render-mode attribute */
if (get_render_mode_VADisplayAttribRenderMode (display, pmode))
return TRUE;
/* Try with direct-surface attribute */
if (get_render_mode_VADisplayAttribDirectSurface (display, pmode))
return TRUE;
/* Default: determine from the display type */
return get_render_mode_default (display, pmode);
}
/**
* gst_vaapi_display_set_render_mode:
* @display: a #GstVaapiDisplay
* @mode: the #GstVaapiRenderMode to set
*
* Sets the VA @display rendering mode to the supplied @mode. This
* function returns %FALSE if the rendering mode could not be set,
* e.g. run-time switching rendering mode is not supported.
*
* Return value: %TRUE if VA @display rendering @mode could be changed
* to the requested value
*/
gboolean
gst_vaapi_display_set_render_mode (GstVaapiDisplay * display,
GstVaapiRenderMode mode)
{
gint modes, devices;
g_return_val_if_fail (display != NULL, FALSE);
if (!get_attribute (display, VADisplayAttribRenderDevice, &devices))
return FALSE;
modes = 0;
switch (mode) {
case GST_VAAPI_RENDER_MODE_OVERLAY:
if (devices & VA_RENDER_DEVICE_LOCAL)
modes |= VA_RENDER_MODE_LOCAL_OVERLAY;
if (devices & VA_RENDER_DEVICE_EXTERNAL)
modes |= VA_RENDER_MODE_EXTERNAL_OVERLAY;
break;
case GST_VAAPI_RENDER_MODE_TEXTURE:
if (devices & VA_RENDER_DEVICE_LOCAL)
modes |= VA_RENDER_MODE_LOCAL_GPU;
if (devices & VA_RENDER_DEVICE_EXTERNAL)
modes |= VA_RENDER_MODE_EXTERNAL_GPU;
break;
}
if (!modes)
return FALSE;
if (!set_attribute (display, VADisplayAttribRenderMode, modes))
return FALSE;
return TRUE;
}
/**
* gst_vaapi_display_get_rotation:
* @display: a #GstVaapiDisplay
*
* Returns the current VA @display rotation angle. If the VA driver
* does not support "rotation" display attribute, then the display is
* assumed to be un-rotated.
*
* Return value: the current #GstVaapiRotation value
*/
GstVaapiRotation
gst_vaapi_display_get_rotation (GstVaapiDisplay * display)
{
gint value;
g_return_val_if_fail (display != NULL, DEFAULT_ROTATION);
if (!get_attribute (display, VADisplayAttribRotation, &value))
value = VA_ROTATION_NONE;
return to_GstVaapiRotation (value);
}
/**
* gst_vaapi_display_set_rotation:
* @display: a #GstVaapiDisplay
* @rotation: the #GstVaapiRotation value to set
*
* Sets the VA @display rotation angle to the supplied @rotation
* value. This function returns %FALSE if the rotation angle could not
* be set, e.g. the VA driver does not allow to change the display
* rotation angle.
*
* Return value: %TRUE if VA @display rotation angle could be changed
* to the requested value
*/
gboolean
gst_vaapi_display_set_rotation (GstVaapiDisplay * display,
GstVaapiRotation rotation)
{
guint value;
g_return_val_if_fail (display != NULL, FALSE);
value = from_GstVaapiRotation (rotation);
if (!set_attribute (display, VADisplayAttribRotation, value))
return FALSE;
return TRUE;
}
/* Get color balance attributes */
static gboolean
get_color_balance (GstVaapiDisplay * display, guint prop_id, gfloat * v)
{
GParamSpecFloat *const pspec = G_PARAM_SPEC_FLOAT (g_properties[prop_id]);
const GstVaapiProperty *prop;
const VADisplayAttribute *attr;
gfloat out_value;
gint value;
if (!ensure_properties (display))
return FALSE;
if (!pspec)
return FALSE;
prop = find_property_by_pspec (display, &pspec->parent_instance);
if (!prop)
return FALSE;
attr = &prop->attribute;
if (!get_attribute (display, attr->type, &value))
return FALSE;
/* Scale wrt. the medium ("default") value */
out_value = pspec->default_value;
if (value > attr->value)
out_value += ((gfloat) (value - attr->value) /
(attr->max_value - attr->value) *
(pspec->maximum - pspec->default_value));
else if (value < attr->value)
out_value -= ((gfloat) (attr->value - value) /
(attr->value - attr->min_value) *
(pspec->default_value - pspec->minimum));
*v = out_value;
return TRUE;
}
/* Set color balance attribute */
static gboolean
set_color_balance (GstVaapiDisplay * display, guint prop_id, gfloat v)
{
GParamSpecFloat *const pspec = G_PARAM_SPEC_FLOAT (g_properties[prop_id]);
const GstVaapiProperty *prop;
const VADisplayAttribute *attr;
gint value;
if (!ensure_properties (display))
return FALSE;
if (!pspec)
return FALSE;
prop = find_property_by_pspec (display, &pspec->parent_instance);
if (!prop)
return FALSE;
attr = &prop->attribute;
/* Scale wrt. the medium ("default") value */
value = attr->value;
if (v > pspec->default_value)
value += ((v - pspec->default_value) /
(pspec->maximum - pspec->default_value) *
(attr->max_value - attr->value));
else if (v < pspec->default_value)
value -= ((pspec->default_value - v) /
(pspec->default_value - pspec->minimum) *
(attr->value - attr->min_value));
if (!set_attribute (display, attr->type, value))
return FALSE;
return TRUE;
}
/* Ensures the VA driver vendor string was copied */
static gboolean
ensure_vendor_string (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
const gchar *vendor_string;
GST_VAAPI_DISPLAY_LOCK (display);
if (!priv->vendor_string) {
vendor_string = vaQueryVendorString (priv->display);
if (vendor_string)
priv->vendor_string = g_strdup (vendor_string);
}
GST_VAAPI_DISPLAY_UNLOCK (display);
return priv->vendor_string != NULL;
}
/**
* gst_vaapi_display_get_vendor_string:
* @display: a #GstVaapiDisplay
*
* Returns the VA driver vendor string attached to the supplied VA @display.
* The @display owns the vendor string, do *not* de-allocate it.
*
* This function is thread safe.
*
* Return value: the current #GstVaapiRotation value
*/
const gchar *
gst_vaapi_display_get_vendor_string (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, NULL);
if (!ensure_vendor_string (display))
return NULL;
return display->priv.vendor_string;
}
/**
* gst_vaapi_display_has_opengl:
* @display: a #GstVaapiDisplay
*
* Returns wether the @display that was created does support OpenGL
* context to be attached.
*
* This function is thread safe.
*
* Return value: %TRUE if the @display supports OpenGL context, %FALSE
* otherwise
*/
gboolean
gst_vaapi_display_has_opengl (GstVaapiDisplay * display)
{
GstVaapiDisplayClass *klass;
g_return_val_if_fail (display != NULL, NULL);
klass = GST_VAAPI_DISPLAY_GET_CLASS (display);
return (klass->display_type == GST_VAAPI_DISPLAY_TYPE_GLX);
}
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