mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-03 13:16:04 +00:00
d3d11: d3d11desktopdupsrc: Add support for non-D3D11 downstream element
By this commit, application doesn't need to configure d3d11download element for software pipeline which will make things simpler Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1082>
This commit is contained in:
Seungha Yang
parent
b590511146
commit
7286c8e302
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@ -60,8 +60,9 @@ static GParamSpec *properties[PROP_LAST];
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#define DEFAULT_SHOW_CURSOR FALSE
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static GstStaticCaps template_caps =
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
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(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, "BGRA"));
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
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(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, "BGRA") ";"
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GST_VIDEO_CAPS_MAKE ("BGRA"));
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struct _GstD3D11DesktopDupSrc
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{
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@ -74,6 +75,8 @@ struct _GstD3D11DesktopDupSrc
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GstD3D11Device *device;
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GstD3D11DesktopDup *dupl;
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GstBufferPool *pool;
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gint adapter;
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gint monitor_index;
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gboolean show_cursor;
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@ -81,6 +84,8 @@ struct _GstD3D11DesktopDupSrc
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gboolean flushing;
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GstClockTime min_latency;
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GstClockTime max_latency;
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gboolean downstream_supports_d3d11;
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};
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static void gst_d3d11_desktop_dup_src_dispose (GObject * object);
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@ -264,13 +269,11 @@ gst_d3d11_desktop_dup_src_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
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return NULL;
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}
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caps =
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gst_caps_new_simple ("video/x-raw", "format", G_TYPE_STRING, "BGRA",
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"width", G_TYPE_INT, width,
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"height", G_TYPE_INT, height,
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"framerate", GST_TYPE_FRACTION_RANGE, 1, 1, G_MAXINT, 1, NULL);
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gst_caps_set_features (caps, 0,
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gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, NULL));
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caps = gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD (bsrc));
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caps = gst_caps_make_writable (caps);
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gst_caps_set_simple (caps, "width", G_TYPE_INT, width, "height",
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G_TYPE_INT, height, nullptr);
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if (filter) {
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GstCaps *tmp =
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@ -286,25 +289,63 @@ gst_d3d11_desktop_dup_src_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
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static GstCaps *
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gst_d3d11_desktop_dup_src_fixate (GstBaseSrc * bsrc, GstCaps * caps)
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{
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GstStructure *structure;
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guint size;
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GstCaps *d3d11_caps = nullptr;
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caps = gst_caps_make_writable (caps);
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size = gst_caps_get_size (caps);
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structure = gst_caps_get_structure (caps, 0);
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for (guint i = 0; i < size; i++) {
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GstStructure *s;
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gst_structure_fixate_field_nearest_fraction (structure, "framerate", 30, 1);
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s = gst_caps_get_structure (caps, i);
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gst_structure_fixate_field_nearest_fraction (s, "framerate", 30, 1);
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return GST_BASE_SRC_CLASS (parent_class)->fixate (bsrc, caps);
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if (!d3d11_caps) {
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GstCapsFeatures *features;
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features = gst_caps_get_features (caps, i);
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if (features && gst_caps_features_contains (features,
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GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
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d3d11_caps = gst_caps_new_empty ();
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gst_caps_append_structure (d3d11_caps, gst_structure_copy (s));
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gst_caps_set_features (d3d11_caps, 0,
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gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY,
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nullptr));
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break;
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}
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}
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}
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if (d3d11_caps) {
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gst_caps_unref (caps);
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caps = d3d11_caps;
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}
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return gst_caps_fixate (caps);
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}
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static gboolean
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gst_d3d11_desktop_dup_src_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
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{
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GstD3D11DesktopDupSrc *self = GST_D3D11_DESKTOP_DUP_SRC (bsrc);
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GstCapsFeatures *features;
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GST_DEBUG_OBJECT (self, "Set caps %" GST_PTR_FORMAT, caps);
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features = gst_caps_get_features (caps, 0);
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if (features && gst_caps_features_contains (features,
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GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
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self->downstream_supports_d3d11 = TRUE;
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} else {
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self->downstream_supports_d3d11 = FALSE;
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}
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gst_video_info_from_caps (&self->video_info, caps);
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gst_base_src_set_blocksize (bsrc, GST_VIDEO_INFO_SIZE (&self->video_info));
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return TRUE;
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}
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@ -322,6 +363,11 @@ gst_d3d11_desktop_dup_src_decide_allocation (GstBaseSrc * bsrc,
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gboolean update_pool;
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GstVideoInfo vinfo;
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if (self->pool) {
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gst_buffer_pool_set_active (self->pool, FALSE);
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gst_clear_object (&self->pool);
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}
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gst_query_parse_allocation (query, &caps, NULL);
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if (!caps) {
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@ -341,7 +387,7 @@ gst_d3d11_desktop_dup_src_decide_allocation (GstBaseSrc * bsrc,
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update_pool = FALSE;
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}
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if (pool) {
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if (pool && self->downstream_supports_d3d11) {
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if (!GST_IS_D3D11_BUFFER_POOL (pool)) {
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gst_clear_object (&pool);
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} else {
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@ -351,32 +397,74 @@ gst_d3d11_desktop_dup_src_decide_allocation (GstBaseSrc * bsrc,
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}
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}
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if (!pool)
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pool = gst_d3d11_buffer_pool_new (self->device);
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if (!pool) {
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if (self->downstream_supports_d3d11)
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pool = gst_d3d11_buffer_pool_new (self->device);
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else
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pool = gst_video_buffer_pool_new ();
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}
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_set_params (config, caps, size, min, max);
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gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
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d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
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if (!d3d11_params) {
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d3d11_params = gst_d3d11_allocation_params_new (self->device, &vinfo,
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(GstD3D11AllocationFlags) 0, D3D11_BIND_RENDER_TARGET);
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} else {
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d3d11_params->desc[0].BindFlags |= D3D11_BIND_RENDER_TARGET;
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if (self->downstream_supports_d3d11) {
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d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
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if (!d3d11_params) {
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d3d11_params = gst_d3d11_allocation_params_new (self->device, &vinfo,
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(GstD3D11AllocationFlags) 0,
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D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET);
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} else {
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d3d11_params->desc[0].BindFlags |= D3D11_BIND_RENDER_TARGET;
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}
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gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
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gst_d3d11_allocation_params_free (d3d11_params);
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}
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gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
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gst_d3d11_allocation_params_free (d3d11_params);
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if (!gst_buffer_pool_set_config (pool, config)) {
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GST_ERROR_OBJECT (self, "Failed to set config");
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goto error;
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}
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gst_buffer_pool_set_config (pool, config);
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if (self->downstream_supports_d3d11) {
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/* d3d11 buffer pool will update buffer size based on allocated texture,
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* get size from config again */
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_get_params (config,
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nullptr, &size, nullptr, nullptr);
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gst_structure_free (config);
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} else {
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self->pool = gst_d3d11_buffer_pool_new (self->device);
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/* d3d11 buffer pool will update buffer size based on allocated texture,
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* get size from config again */
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_get_params (config, nullptr, &size, nullptr, nullptr);
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gst_structure_free (config);
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config = gst_buffer_pool_get_config (self->pool);
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gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
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gst_buffer_pool_config_add_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_META);
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d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
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if (!d3d11_params) {
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d3d11_params = gst_d3d11_allocation_params_new (self->device, &vinfo,
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(GstD3D11AllocationFlags) 0, D3D11_BIND_RENDER_TARGET);
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} else {
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d3d11_params->desc[0].BindFlags |= D3D11_BIND_RENDER_TARGET;
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}
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gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
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gst_d3d11_allocation_params_free (d3d11_params);
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if (!gst_buffer_pool_set_config (self->pool, config)) {
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GST_ERROR_OBJECT (self, "Failed to set config for internal pool");
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goto error;
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}
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if (!gst_buffer_pool_set_active (self->pool, TRUE)) {
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GST_ERROR_OBJECT (self, "Failed to activate internal pool");
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goto error;
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}
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}
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if (update_pool)
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gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
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@ -386,6 +474,12 @@ gst_d3d11_desktop_dup_src_decide_allocation (GstBaseSrc * bsrc,
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gst_object_unref (pool);
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return TRUE;
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error:
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gst_clear_object (&self->pool);
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gst_clear_object (&pool);
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return FALSE;
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}
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static gboolean
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@ -450,6 +544,11 @@ gst_d3d11_desktop_dup_src_stop (GstBaseSrc * bsrc)
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{
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GstD3D11DesktopDupSrc *self = GST_D3D11_DESKTOP_DUP_SRC (bsrc);
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if (self->pool) {
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gst_buffer_pool_set_active (self->pool, FALSE);
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gst_clear_object (&self->pool);
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}
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gst_clear_object (&self->dupl);
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gst_clear_object (&self->device);
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@ -535,6 +634,7 @@ gst_d3d11_desktop_dup_src_create (GstBaseSrc * bsrc, guint64 offset, guint size,
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/* Just magic number... */
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gint unsupported_retry_count = 100;
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GstBuffer *buffer = NULL;
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GstBuffer *sysmem_buf = NULL;
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if (!self->dupl) {
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GST_ELEMENT_ERROR (self, RESOURCE, OPEN_READ,
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@ -624,29 +724,40 @@ again:
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GST_OBJECT_UNLOCK (self);
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if (!buffer) {
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ret =
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GST_BASE_SRC_CLASS (parent_class)->alloc (bsrc, offset, size, &buffer);
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if (self->downstream_supports_d3d11) {
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ret = GST_BASE_SRC_CLASS (parent_class)->alloc (bsrc,
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offset, size, &buffer);
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} else {
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if (!self->pool) {
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GST_ERROR_OBJECT (self, "Internal pool wasn't configured");
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goto error;
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}
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ret = gst_buffer_pool_acquire_buffer (self->pool, &buffer, nullptr);
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}
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if (ret != GST_FLOW_OK)
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goto out;
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}
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/* FIXME: handle fallback case
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* (e.g., texture belongs to other device, RTV is unavailable) */
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mem = gst_buffer_peek_memory (buffer, 0);
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if (!gst_is_d3d11_memory (mem)) {
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GST_ERROR_OBJECT (self, "Not a D3D11 memory");
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goto error;
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}
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dmem = (GstD3D11Memory *) mem;
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draw_mouse = self->show_cursor;
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rtv = gst_d3d11_memory_get_render_target_view (dmem, 0);
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if (draw_mouse && !rtv) {
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GST_ERROR_OBJECT (self, "Render target view is unavailable");
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ret = GST_FLOW_ERROR;
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goto out;
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goto error;
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}
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if (!gst_memory_map (mem, &info,
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(GstMapFlags) (GST_MAP_WRITE | GST_MAP_D3D11))) {
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GST_ERROR_OBJECT (self, "Failed to map d3d11 memory");
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ret = GST_FLOW_ERROR;
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goto out;
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goto error;
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}
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texture = (ID3D11Texture2D *) info.data;
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@ -654,10 +765,6 @@ again:
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ret = gst_d3d11_desktop_dup_capture (self->dupl, texture, rtv, draw_mouse);
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gst_memory_unmap (mem, &info);
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GST_BUFFER_DTS (buffer) = GST_CLOCK_TIME_NONE;
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GST_BUFFER_PTS (buffer) = next_capture_ts;
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GST_BUFFER_DURATION (buffer) = dur;
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switch (ret) {
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case GST_D3D11_DESKTOP_DUP_FLOW_EXPECTED_ERROR:
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GST_WARNING_OBJECT (self, "Got expected error, try again");
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@ -667,10 +774,9 @@ again:
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GST_WARNING_OBJECT (self, "Got DXGI_ERROR_UNSUPPORTED error");
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unsupported_retry_count--;
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if (unsupported_retry_count < 0) {
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ret = GST_FLOW_ERROR;
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goto out;
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}
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if (unsupported_retry_count < 0)
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goto error;
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gst_clear_object (&clock);
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goto again;
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case GST_D3D11_DESKTOP_DUP_FLOW_SIZE_CHANGED:
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@ -688,6 +794,48 @@ again:
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break;
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}
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if (!self->downstream_supports_d3d11) {
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GstVideoFrame src_frame, dst_frame;
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gboolean copy_ret;
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ret = GST_BASE_SRC_CLASS (parent_class)->alloc (bsrc,
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offset, size, &sysmem_buf);
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if (ret != GST_FLOW_OK) {
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gst_clear_buffer (&buffer);
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goto out;
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}
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if (!gst_video_frame_map (&src_frame, &self->video_info, buffer,
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GST_MAP_READ)) {
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GST_ERROR_OBJECT (self, "Failed to map d3d11 buffer");
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goto error;
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}
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if (!gst_video_frame_map (&dst_frame, &self->video_info, sysmem_buf,
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GST_MAP_WRITE)) {
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GST_ERROR_OBJECT (self, "Failed to map sysmem buffer");
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gst_video_frame_unmap (&src_frame);
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goto error;
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}
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copy_ret = gst_video_frame_copy (&dst_frame, &src_frame);
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gst_video_frame_unmap (&dst_frame);
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gst_video_frame_unmap (&src_frame);
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if (!copy_ret) {
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GST_ERROR_OBJECT (self, "Failed to copy frame");
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goto error;
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}
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gst_buffer_unref (buffer);
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buffer = sysmem_buf;
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sysmem_buf = nullptr;
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}
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GST_BUFFER_DTS (buffer) = GST_CLOCK_TIME_NONE;
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GST_BUFFER_PTS (buffer) = next_capture_ts;
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GST_BUFFER_DURATION (buffer) = dur;
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after_capture = gst_clock_get_time (clock);
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latency = after_capture - before_capture;
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if (!GST_CLOCK_TIME_IS_VALID (self->min_latency)) {
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@ -714,4 +862,11 @@ out:
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*buf = buffer;
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return ret;
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error:
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gst_clear_buffer (&buffer);
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gst_clear_buffer (&sysmem_buf);
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gst_clear_object (&clock);
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return GST_FLOW_ERROR;
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}
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