/*
* gstvaapidisplay.c - VA display abstraction
*
- * gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
+ * 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 program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU 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 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 program is distributed in the hope that it will be useful,
+ * 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 General Public License for more details.
+ * 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ * 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
*/
-#include "config.h"
-#include "vaapi_utils.h"
+/**
+ * SECTION:gstvaapidisplay
+ * @short_description: VA display abstraction
+ */
+
+#include "sysdeps.h"
+#include <string.h>
+#include "gstvaapiutils.h"
+#include "gstvaapivalue.h"
#include "gstvaapidisplay.h"
-#include <va/va_backend.h>
+#include "gstvaapidisplay_priv.h"
+#include "gstvaapiworkarounds.h"
+#include "gstvaapiversion.h"
#define DEBUG 1
-#include "vaapi_debug.h"
-
-GST_DEBUG_CATEGORY(gst_debug_vaapi);
-
-G_DEFINE_TYPE(GstVaapiDisplay, gst_vaapi_display, G_TYPE_OBJECT);
-
-#define GST_VAAPI_DISPLAY_GET_PRIVATE(obj) \
- (G_TYPE_INSTANCE_GET_PRIVATE((obj), \
- GST_VAAPI_TYPE_DISPLAY, \
- GstVaapiDisplayPrivate))
-
-struct _GstVaapiDisplayPrivate {
- VADisplay display;
- gboolean create_display;
- VAProfile *profiles;
- unsigned int num_profiles;
- VAImageFormat *image_formats;
- unsigned int num_image_formats;
- VAImageFormat *subpicture_formats;
- unsigned int *subpicture_flags;
- unsigned int num_subpicture_formats;
+#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;
};
-enum {
- PROP_0,
+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,
- PROP_DISPLAY
+ 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
-append_format(
- VAImageFormat **pva_formats,
- unsigned int *pnum_va_formats,
- GstVaapiImageFormat format
-)
+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)
{
- const VAImageFormat *va_format;
- VAImageFormat *new_va_formats;
+ if (type1 == type2)
+ return TRUE;
- va_format = gst_vaapi_image_format_get_va_format(format);
- if (!va_format)
- return;
+ 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;
+}
- new_va_formats = realloc(
- *pva_formats,
- sizeof(new_va_formats[0]) * (1 + *pnum_va_formats)
- );
- if (!new_va_formats)
- return;
+/* Append GstVideoFormat to formats array */
+static inline void
+append_format (GArray * formats, GstVideoFormat format, guint flags)
+{
+ GstVaapiFormatInfo fi;
- new_va_formats[(*pnum_va_formats)++] = *va_format;
- *pva_formats = new_va_formats;
+ fi.format = format;
+ fi.flags = flags;
+ g_array_append_val (formats, fi);
}
+/* Append VAImageFormats to formats array */
static void
-filter_formats(VAImageFormat **pva_formats, unsigned int *pnum_va_formats)
-{
- unsigned int i = 0;
- gboolean has_YV12 = FALSE;
- gboolean has_I420 = FALSE;
-
- while (i < *pnum_va_formats) {
- VAImageFormat * const va_format = &(*pva_formats)[i];
- const GstVaapiImageFormat format = gst_vaapi_image_format(va_format);
- if (format) {
- ++i;
- switch (format) {
- case GST_VAAPI_IMAGE_YV12:
- has_YV12 = TRUE;
- break;
- case GST_VAAPI_IMAGE_I420:
- has_I420 = TRUE;
- break;
- default:
- break;
- }
- }
- else {
- /* Remove any format that is not supported by libgstvaapi */
- GST_DEBUG("unsupported format %c%c%c%c",
- va_format->fourcc & 0xff,
- (va_format->fourcc >> 8) & 0xff,
- (va_format->fourcc >> 16) & 0xff,
- (va_format->fourcc >> 24) & 0xff);
- *va_format = (*pva_formats)[--(*pnum_va_formats)];
- }
+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);
- /* Append I420 (resp. YV12) format if YV12 (resp. I420) is not
- supported by the underlying driver */
- if (has_YV12 && !has_I420)
- append_format(pva_formats, pnum_va_formats, GST_VAAPI_IMAGE_I420);
- else if (has_I420 && !has_YV12)
- append_format(pva_formats, pnum_va_formats, GST_VAAPI_IMAGE_YV12);
+ 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 int
-compare_yuv_formats(const void *a, const void *b)
+static gint
+compare_yuv_formats (gconstpointer a, gconstpointer b)
{
- const GstVaapiImageFormat fmt1 = gst_vaapi_image_format((VAImageFormat *)a);
- const GstVaapiImageFormat fmt2 = gst_vaapi_image_format((VAImageFormat *)b);
+ const GstVideoFormat fmt1 = ((GstVaapiFormatInfo *) a)->format;
+ const GstVideoFormat fmt2 = ((GstVaapiFormatInfo *) b)->format;
- g_assert(fmt1 && fmt2);
+ const gboolean is_fmt1_yuv = gst_vaapi_video_format_is_yuv (fmt1);
+ const gboolean is_fmt2_yuv = gst_vaapi_video_format_is_yuv (fmt2);
- const gboolean is_fmt1_yuv = gst_vaapi_image_format_is_yuv(fmt1);
- const gboolean is_fmt2_yuv = gst_vaapi_image_format_is_yuv(fmt2);
+ if (is_fmt1_yuv != is_fmt2_yuv)
+ return is_fmt1_yuv ? -1 : 1;
- if (is_fmt1_yuv != is_fmt2_yuv)
- return is_fmt1_yuv ? -1 : 1;
-
- return ((int)gst_vaapi_image_format_get_score(fmt1) -
- (int)gst_vaapi_image_format_get_score(fmt2));
+ 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 int
-compare_rgb_formats(const void *a, const void *b)
+static gint
+compare_rgb_formats (gconstpointer a, gconstpointer b)
{
- const GstVaapiImageFormat fmt1 = gst_vaapi_image_format((VAImageFormat *)a);
- const GstVaapiImageFormat fmt2 = gst_vaapi_image_format((VAImageFormat *)b);
+ const GstVideoFormat fmt1 = ((GstVaapiFormatInfo *) a)->format;
+ const GstVideoFormat fmt2 = ((GstVaapiFormatInfo *) b)->format;
- g_assert(fmt1 && fmt2);
+ const gboolean is_fmt1_rgb = gst_vaapi_video_format_is_rgb (fmt1);
+ const gboolean is_fmt2_rgb = gst_vaapi_video_format_is_rgb (fmt2);
- const gboolean is_fmt1_rgb = gst_vaapi_image_format_is_rgb(fmt1);
- const gboolean is_fmt2_rgb = gst_vaapi_image_format_is_rgb(fmt2);
+ if (is_fmt1_rgb != is_fmt2_rgb)
+ return is_fmt1_rgb ? -1 : 1;
- 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));
+}
- return ((int)gst_vaapi_image_format_get_score(fmt1) -
- (int)gst_vaapi_image_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
-gst_vaapi_display_destroy(GstVaapiDisplay *display)
+append_h263_config (GArray * configs)
{
- GstVaapiDisplayPrivate * const priv = display->priv;
+ 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);
+ }
+}
- if (priv->profiles) {
- g_free(priv->profiles);
- priv->profiles = NULL;
- }
+/* 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 (priv->image_formats) {
- g_free(priv->image_formats);
- priv->image_formats = NULL;
- priv->num_image_formats = 0;
- }
+ if (config1->profile == config2->profile)
+ return config1->entrypoint - config2->entrypoint;
- if (priv->subpicture_formats) {
- g_free(priv->subpicture_formats);
- priv->subpicture_formats = NULL;
- priv->num_subpicture_formats = 0;
- }
+ return config1->profile - config2->profile;
+}
- if (priv->subpicture_flags) {
- g_free(priv->subpicture_flags);
- priv->subpicture_flags = NULL;
- }
+/* 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;
+}
- if (priv->display) {
- vaTerminate(priv->display);
- priv->display = NULL;
- }
+/* 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;
+}
- if (priv->create_display) {
- GstVaapiDisplayClass *klass = GST_VAAPI_DISPLAY_GET_CLASS(display);
- if (klass->close_display)
- klass->close_display(display);
+/* 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:
+ 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
-gst_vaapi_display_create(GstVaapiDisplay *display)
-{
- GstVaapiDisplayPrivate * const priv = display->priv;
- VAStatus status;
- int major_version, minor_version;
- unsigned int i;
-
- if (!priv->display && priv->create_display) {
- GstVaapiDisplayClass *klass = GST_VAAPI_DISPLAY_GET_CLASS(display);
- if (klass->open_display && !klass->open_display(display))
- return FALSE;
- if (klass->get_display)
- priv->display = klass->get_display(display);
+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 (!priv->display)
- return FALSE;
+ 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;
+}
- 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);
+/* 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;
- /* VA profiles */
- priv->num_profiles = vaMaxNumProfiles(priv->display);
- priv->profiles = g_new(VAProfile, priv->num_profiles);
- if (!priv->profiles)
- return FALSE;
- status = vaQueryConfigProfiles(priv->display,
- priv->profiles,
- &priv->num_profiles);
- if (!vaapi_check_status(status, "vaQueryConfigProfiles()"))
- return FALSE;
+ if (priv->image_formats)
+ return TRUE;
- GST_DEBUG("%d profiles", priv->num_profiles);
- for (i = 0; i < priv->num_profiles; i++)
- GST_DEBUG(" %s", string_of_VAProfile(priv->profiles[i]));
+ priv->image_formats = g_array_new (FALSE, FALSE, sizeof (GstVaapiFormatInfo));
+ if (!priv->image_formats)
+ goto cleanup;
- /* VA image formats */
- priv->num_image_formats = vaMaxNumImageFormats(priv->display);
- priv->image_formats = g_new(VAImageFormat, priv->num_image_formats);
- if (!priv->image_formats)
- return FALSE;
- status = vaQueryImageFormats(
- priv->display,
- priv->image_formats,
- &priv->num_image_formats
- );
- if (!vaapi_check_status(status, "vaQueryImageFormats()"))
- return FALSE;
+ /* VA image formats */
+ formats = g_new (VAImageFormat, vaMaxNumImageFormats (priv->display));
+ if (!formats)
+ goto cleanup;
- GST_DEBUG("%d image formats", priv->num_image_formats);
- for (i = 0; i < priv->num_image_formats; i++)
- GST_DEBUG(" %s", string_of_FOURCC(priv->image_formats[i].fourcc));
-
- filter_formats(&priv->image_formats, &priv->num_image_formats);
- qsort(
- priv->image_formats,
- priv->num_image_formats,
- sizeof(priv->image_formats[0]),
- compare_yuv_formats
- );
-
- /* VA subpicture formats */
- priv->num_subpicture_formats = vaMaxNumSubpictureFormats(priv->display);
- priv->subpicture_formats = g_new(VAImageFormat, priv->num_subpicture_formats);
- if (!priv->subpicture_formats)
- return FALSE;
- priv->subpicture_flags = g_new(unsigned int, priv->num_subpicture_formats);
- if (!priv->subpicture_flags)
- return FALSE;
- status = vaQuerySubpictureFormats(
- priv->display,
- priv->subpicture_formats,
- priv->subpicture_flags,
- &priv->num_subpicture_formats
- );
- if (!vaapi_check_status(status, "vaQuerySubpictureFormats()"))
- return FALSE;
+ 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));
- filter_formats(&priv->subpicture_formats, &priv->num_subpicture_formats);
- qsort(
- priv->subpicture_formats,
- priv->num_subpicture_formats,
- sizeof(priv->subpicture_formats[0]),
- compare_rgb_formats
- );
+ append_formats (priv->image_formats, formats, NULL, n);
+ g_array_sort (priv->image_formats, compare_yuv_formats);
+ success = TRUE;
- GST_DEBUG("%d subpicture formats", priv->num_subpicture_formats);
- for (i = 0; i < priv->num_subpicture_formats; i++)
- GST_DEBUG(" %s", string_of_FOURCC(priv->subpicture_formats[i].fourcc));
+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_finalize(GObject *object)
+gst_vaapi_display_destroy (GstVaapiDisplay * display)
{
- GstVaapiDisplay * const display = GST_VAAPI_DISPLAY(object);
+ 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);
+
+ g_mutex_lock (&g_display_cache_lock);
+ if (priv->cache)
+ gst_vaapi_display_cache_remove (priv->cache, display);
+ g_mutex_unlock (&g_display_cache_lock);
+ gst_vaapi_display_cache_replace (&priv->cache, NULL);
+ free_display_cache ();
+}
- gst_vaapi_display_destroy(display);
+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;
+ 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);
- G_OBJECT_CLASS(gst_vaapi_display_parent_class)->finalize(object);
+ g_mutex_lock (&g_display_cache_lock);
+ success = gst_vaapi_display_create_unlocked (display, init_type, init_value);
+ g_mutex_unlock (&g_display_cache_lock);
+ return success;
}
static void
-gst_vaapi_display_set_property(
- GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec
-)
-{
- GstVaapiDisplay * const display = GST_VAAPI_DISPLAY(object);
-
- switch (prop_id) {
- case PROP_DISPLAY:
- display->priv->display = g_value_get_pointer(value);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
- break;
- }
+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_get_property(
- GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec
-)
-{
- GstVaapiDisplay * const display = GST_VAAPI_DISPLAY(object);
-
- switch (prop_id) {
- case PROP_DISPLAY:
- g_value_set_pointer(value, gst_vaapi_display_get_display(display));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
- break;
- }
+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_constructed(GObject *object)
+gst_vaapi_display_init (GstVaapiDisplay * display)
{
- GstVaapiDisplay * const display = GST_VAAPI_DISPLAY(object);
- GObjectClass *parent_class;
+ GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
+ const GstVaapiDisplayClass *const dpy_class =
+ GST_VAAPI_DISPLAY_GET_CLASS (display);
- display->priv->create_display = display->priv->display == NULL;
- gst_vaapi_display_create(display);
+ priv->display_type = GST_VAAPI_DISPLAY_TYPE_ANY;
+ priv->par_n = 1;
+ priv->par_d = 1;
- parent_class = G_OBJECT_CLASS(gst_vaapi_display_parent_class);
- if (parent_class->constructed)
- parent_class->constructed(object);
+ g_rec_mutex_init (&priv->mutex);
+
+ if (dpy_class->init)
+ dpy_class->init (display);
}
static void
-gst_vaapi_display_class_init(GstVaapiDisplayClass *klass)
+gst_vaapi_display_finalize (GstVaapiDisplay * display)
{
- GObjectClass * const object_class = G_OBJECT_CLASS(klass);
+ GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
- GST_DEBUG_CATEGORY_INIT(gst_debug_vaapi, "vaapi", 0, "VA-API helper");
+ gst_vaapi_display_destroy (display);
+ g_rec_mutex_clear (&priv->mutex);
+}
- g_type_class_add_private(klass, sizeof(GstVaapiDisplayPrivate));
+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);
- object_class->finalize = gst_vaapi_display_finalize;
- object_class->set_property = gst_vaapi_display_set_property;
- object_class->get_property = gst_vaapi_display_get_property;
- object_class->constructed = gst_vaapi_display_constructed;
+ libgstvaapi_init_once ();
- g_object_class_install_property
- (object_class,
- PROP_DISPLAY,
- g_param_spec_pointer("display",
- "VA display",
- "VA display",
- G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
+ 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_init(GstVaapiDisplay *display)
+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)
{
- GstVaapiDisplayPrivate *priv = GST_VAAPI_DISPLAY_GET_PRIVATE(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);
- display->priv = priv;
- priv->display = NULL;
- priv->create_display = TRUE;
- priv->profiles = 0;
- priv->num_profiles = 0;
- priv->image_formats = NULL;
- priv->num_image_formats = 0;
- priv->subpicture_formats = NULL;
- priv->subpicture_flags = NULL;
- priv->num_subpicture_formats = 0;
+ 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_new_with_display(VADisplay va_display)
+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_display:
+ * @display: a #GstVaapiDisplay
+ *
+ * Returns the #GstVaapiDisplayType bound to @display.
+ *
+ * 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_GET_PRIVATE (display)->display_type;
+}
+
+/**
+ * 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)
{
- return g_object_new(GST_VAAPI_TYPE_DISPLAY,
- "display", va_display,
- NULL);
+ 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)
+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_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
+ g_return_if_fail (display != NULL);
+
+ if (par_n)
+ *par_n = GST_VAAPI_DISPLAY_GET_PRIVATE (display)->par_n;
- return display->priv->display;
+ 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_profile(GstVaapiDisplay *display, VAProfile profile)
+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)
{
- guint i;
+ g_return_val_if_fail (display != NULL, NULL);
- g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), FALSE);
+ 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);
- for (i = 0; i < display->priv->num_profiles; i++)
- if (display->priv->profiles[i] == profile)
- return TRUE;
+ if (!ensure_profiles (display))
return FALSE;
+ return find_config (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->decoders,
+ profile, entrypoint);
}
-static gboolean
-_gst_vaapi_display_has_format(
- GstVaapiDisplay *display,
- GstVaapiImageFormat format,
- const VAImageFormat *va_formats,
- unsigned int num_va_formats
-)
+/**
+ * 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)
{
- unsigned int i;
+ g_return_val_if_fail (display != NULL, NULL);
- g_return_val_if_fail(format != 0, FALSE);
+ if (!ensure_profiles (display))
+ return NULL;
+ return get_profiles (GST_VAAPI_DISPLAY_GET_PRIVATE (display)->encoders);
+}
- for (i = 0; i < num_va_formats; i++)
- if (gst_vaapi_image_format(&va_formats[i]) == format)
- return TRUE;
+/**
+ * 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);
}
-static GstCaps *
-_gst_vaapi_display_get_caps(
- GstVaapiDisplay *display,
- const VAImageFormat *va_formats,
- unsigned int num_va_formats
-)
+/**
+ * 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)
{
- GstCaps *out_caps;
- unsigned int i;
+ const GstVaapiProperty *prop;
- out_caps = gst_caps_new_empty();
- if (!out_caps)
- return NULL;
+ 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);
- for (i = 0; i < num_va_formats; i++) {
- GstVaapiImageFormat format = gst_vaapi_image_format(&va_formats[i]);
- if (format) {
- GstCaps * const caps = gst_vaapi_image_format_get_caps(format);
- if (caps)
- gst_caps_append(out_caps, caps);
- }
+ 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);
}
- return out_caps;
+ 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;
}
-GstCaps *
-gst_vaapi_display_get_image_caps(GstVaapiDisplay *display)
+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(GST_VAAPI_IS_DISPLAY(display), NULL);
+ g_return_val_if_fail (display != NULL, FALSE);
+
+ /* Try with render-mode attribute */
+ if (get_render_mode_VADisplayAttribRenderMode (display, pmode))
+ return TRUE;
- return _gst_vaapi_display_get_caps(display,
- display->priv->image_formats,
- display->priv->num_image_formats);
+ /* 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_has_image_format(
- GstVaapiDisplay *display,
- GstVaapiImageFormat format
-)
+gst_vaapi_display_set_render_mode (GstVaapiDisplay * display,
+ GstVaapiRenderMode mode)
{
- g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), FALSE);
+ gint modes, devices;
+
+ g_return_val_if_fail (display != NULL, FALSE);
+
+ if (!get_attribute (display, VADisplayAttribRenderDevice, &devices))
+ return FALSE;
- return _gst_vaapi_display_has_format(display, format,
- display->priv->image_formats,
- display->priv->num_image_formats);
+ 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;
}
-GstCaps *
-gst_vaapi_display_get_subpicture_caps(GstVaapiDisplay *display)
+/**
+ * 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)
{
- g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
+ gint value;
- return _gst_vaapi_display_get_caps(display,
- display->priv->subpicture_formats,
- display->priv->num_subpicture_formats);
+ 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_has_subpicture_format(
- GstVaapiDisplay *display,
- GstVaapiImageFormat format
-)
+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(GST_VAAPI_IS_DISPLAY(display), FALSE);
+ g_return_val_if_fail (display != NULL, NULL);
- return _gst_vaapi_display_has_format(display, format,
- display->priv->subpicture_formats,
- display->priv->num_subpicture_formats);
+ if (!ensure_vendor_string (display))
+ return NULL;
+ return display->priv.vendor_string;
}