mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 04:01:08 +00:00
vkupload: implement an uploader abstraction
This commit is contained in:
Matthew Waters
parent
57bd62f85f
commit
53f99ac804
2 changed files with 537 additions and 148 deletions
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@ -35,6 +35,374 @@
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GST_DEBUG_CATEGORY (gst_debug_vulkan_upload);
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#define GST_CAT_DEFAULT gst_debug_vulkan_upload
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static GstCaps *
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_set_caps_features_with_passthrough (const GstCaps * caps,
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const gchar * feature_name, GstCapsFeatures * passthrough)
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{
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guint i, j, m, n;
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GstCaps *tmp;
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tmp = gst_caps_copy (caps);
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n = gst_caps_get_size (caps);
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for (i = 0; i < n; i++) {
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GstCapsFeatures *features, *orig_features;
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orig_features = gst_caps_get_features (caps, i);
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features = gst_caps_features_new (feature_name, NULL);
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m = gst_caps_features_get_size (orig_features);
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for (j = 0; j < m; j++) {
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const gchar *feature = gst_caps_features_get_nth (orig_features, j);
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/* if we already have the features */
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if (gst_caps_features_contains (features, feature))
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continue;
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if (g_strcmp0 (feature, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY) == 0)
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continue;
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if (passthrough && gst_caps_features_contains (passthrough, feature)) {
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gst_caps_features_add (features, feature);
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}
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}
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gst_caps_set_features (tmp, i, features);
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}
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return tmp;
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}
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struct BufferUpload
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{
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GstVulkanUpload *upload;
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};
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static gpointer
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_buffer_new_impl (GstVulkanUpload * upload)
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{
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struct BufferUpload *raw = g_new0 (struct BufferUpload, 1);
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raw->upload = upload;
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return raw;
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}
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static GstCaps *
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_buffer_transform_caps (gpointer impl, GstPadDirection direction,
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GstCaps * caps)
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{
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return gst_caps_ref (caps);
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}
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static gboolean
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_buffer_set_caps (gpointer impl, GstCaps * in_caps, GstCaps * out_caps)
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{
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return TRUE;
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}
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static void
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_buffer_propose_allocation (gpointer impl, GstQuery * decide_query,
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GstQuery * query)
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{
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struct BufferUpload *raw = impl;
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gboolean need_pool;
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GstCaps *caps;
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guint size;
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gst_query_parse_allocation (query, &caps, &need_pool);
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if (caps == NULL)
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return;
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if (need_pool) {
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GstBufferPool *pool;
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GstStructure *config;
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GstVideoInfo info;
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if (!gst_video_info_from_caps (&info, caps))
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return;
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/* the normal size of a frame */
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size = info.size;
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pool = gst_vulkan_buffer_pool_new (raw->upload->device);
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
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if (!gst_buffer_pool_set_config (pool, config)) {
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g_object_unref (pool);
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return;
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}
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gst_query_add_allocation_pool (query, pool, size, 1, 0);
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g_object_unref (pool);
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}
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return;
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}
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static GstFlowReturn
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_buffer_perform (gpointer impl, GstBuffer * inbuf, GstBuffer ** outbuf)
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{
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if (!gst_is_vulkan_buffer_memory (gst_buffer_peek_memory (inbuf, 0)))
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return GST_FLOW_ERROR;
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*outbuf = inbuf;
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return GST_FLOW_OK;
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}
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static void
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_buffer_free (gpointer impl)
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{
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g_free (impl);
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}
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static GstStaticCaps _buffer_in_templ =
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GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER ")");
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static GstStaticCaps _buffer_out_templ =
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GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER ")");
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static const struct UploadMethod buffer_upload = {
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"VulkanBuffer",
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&_buffer_in_templ,
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&_buffer_out_templ,
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_buffer_new_impl,
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_buffer_transform_caps,
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_buffer_set_caps,
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_buffer_propose_allocation,
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_buffer_perform,
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_buffer_free,
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};
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struct RawToBufferUpload
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{
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GstVulkanUpload *upload;
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GstVideoInfo in_info;
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GstVideoInfo out_info;
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GstBufferPool *pool;
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gboolean pool_active;
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gsize alloc_sizes[GST_VIDEO_MAX_PLANES];
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};
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static gpointer
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_raw_to_buffer_new_impl (GstVulkanUpload * upload)
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{
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struct RawToBufferUpload *raw = g_new0 (struct RawToBufferUpload, 1);
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raw->upload = upload;
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return raw;
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}
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static GstCaps *
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_raw_to_buffer_transform_caps (gpointer impl, GstPadDirection direction,
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GstCaps * caps)
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{
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GstCaps *ret;
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if (direction == GST_PAD_SINK) {
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ret =
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_set_caps_features_with_passthrough (caps,
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GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER, NULL);
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} else {
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ret =
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_set_caps_features_with_passthrough (caps,
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GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY, NULL);
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}
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return ret;
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}
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static gboolean
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_raw_to_buffer_set_caps (gpointer impl, GstCaps * in_caps, GstCaps * out_caps)
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{
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struct RawToBufferUpload *raw = impl;
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guint out_width, out_height;
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guint i;
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if (!gst_video_info_from_caps (&raw->in_info, in_caps))
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return FALSE;
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if (!gst_video_info_from_caps (&raw->out_info, out_caps))
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return FALSE;
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out_width = GST_VIDEO_INFO_WIDTH (&raw->out_info);
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out_height = GST_VIDEO_INFO_HEIGHT (&raw->out_info);
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for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&raw->out_info); i++) {
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GstVideoFormat v_format = GST_VIDEO_INFO_FORMAT (&raw->out_info);
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GstVulkanImageMemory *img_mem;
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VkFormat vk_format;
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vk_format = gst_vulkan_format_from_video_format (v_format, i);
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img_mem = (GstVulkanImageMemory *)
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gst_vulkan_image_memory_alloc (raw->upload->device, vk_format,
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out_width, out_height, VK_IMAGE_TILING_OPTIMAL,
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VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT,
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VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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raw->alloc_sizes[i] = img_mem->requirements.size;
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gst_memory_unref (GST_MEMORY_CAST (img_mem));
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}
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return TRUE;
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}
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static void
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_raw_to_buffer_propose_allocation (gpointer impl, GstQuery * decide_query,
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GstQuery * query)
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{
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/* a little trickery with the impl pointer */
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_buffer_propose_allocation (impl, decide_query, query);
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}
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static GstFlowReturn
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_raw_to_buffer_perform (gpointer impl, GstBuffer * inbuf, GstBuffer ** outbuf)
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{
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struct RawToBufferUpload *raw = impl;
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GstVideoFrame v_frame;
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GstFlowReturn ret;
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guint i;
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if (!raw->pool) {
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GstStructure *config;
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guint min = 0, max = 0;
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gsize size = 1;
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raw->pool = gst_vulkan_buffer_pool_new (raw->upload->device);
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config = gst_buffer_pool_get_config (raw->pool);
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gst_buffer_pool_config_set_params (config, raw->upload->out_caps, size, min,
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max);
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gst_buffer_pool_set_config (raw->pool, config);
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}
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if (!raw->pool_active) {
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gst_buffer_pool_set_active (raw->pool, TRUE);
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raw->pool_active = TRUE;
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}
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if ((ret =
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gst_buffer_pool_acquire_buffer (raw->pool, outbuf,
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NULL)) != GST_FLOW_OK)
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goto out;
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if (!gst_video_frame_map (&v_frame, &raw->in_info, inbuf, GST_MAP_READ)) {
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GST_ELEMENT_ERROR (raw->upload, RESOURCE, NOT_FOUND,
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("%s", "Failed to map input buffer"), NULL);
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return GST_FLOW_ERROR;
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}
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for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&raw->out_info); i++) {
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GstMapInfo map_info;
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gsize plane_size;
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GstMemory *mem;
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mem = gst_buffer_peek_memory (*outbuf, i);
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if (!gst_memory_map (GST_MEMORY_CAST (mem), &map_info, GST_MAP_WRITE)) {
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GST_ELEMENT_ERROR (raw->upload, RESOURCE, NOT_FOUND,
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("%s", "Failed to map output memory"), NULL);
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gst_buffer_unref (*outbuf);
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*outbuf = NULL;
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ret = GST_FLOW_ERROR;
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goto out;
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}
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plane_size =
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GST_VIDEO_INFO_PLANE_STRIDE (&raw->out_info,
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i) * GST_VIDEO_INFO_COMP_HEIGHT (&raw->out_info, i);
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g_assert (plane_size < map_info.size);
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memcpy (map_info.data, v_frame.data[i], plane_size);
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gst_memory_unmap (GST_MEMORY_CAST (mem), &map_info);
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}
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gst_video_frame_unmap (&v_frame);
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ret = GST_FLOW_OK;
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out:
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return ret;
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}
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static void
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_raw_to_buffer_free (gpointer impl)
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{
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struct RawToBufferUpload *raw = impl;
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if (raw->pool) {
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if (raw->pool_active) {
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gst_buffer_pool_set_active (raw->pool, FALSE);
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}
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raw->pool_active = FALSE;
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gst_object_unref (raw->pool);
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raw->pool = NULL;
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}
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g_free (impl);
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}
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static GstStaticCaps _raw_to_buffer_in_templ = GST_STATIC_CAPS ("video/x-raw");
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static GstStaticCaps _raw_to_buffer_out_templ =
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GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER ")");
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static const struct UploadMethod raw_to_buffer_upload = {
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"RawToVulkanBuffer",
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&_raw_to_buffer_in_templ,
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&_raw_to_buffer_out_templ,
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_raw_to_buffer_new_impl,
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_raw_to_buffer_transform_caps,
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_raw_to_buffer_set_caps,
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_raw_to_buffer_propose_allocation,
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_raw_to_buffer_perform,
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_raw_to_buffer_free,
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};
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static const struct UploadMethod *upload_methods[] = {
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&buffer_upload,
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&raw_to_buffer_upload,
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};
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static GstCaps *
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_get_input_template_caps (void)
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{
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GstCaps *ret = NULL;
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gint i;
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/* FIXME: cache this and invalidate on changes to upload_methods */
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for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
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GstCaps *template = gst_static_caps_get (upload_methods[i]->in_template);
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ret = ret == NULL ? template : gst_caps_merge (ret, template);
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}
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ret = gst_caps_simplify (ret);
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return ret;
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}
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static GstCaps *
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_get_output_template_caps (void)
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{
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GstCaps *ret = NULL;
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gint i;
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/* FIXME: cache this and invalidate on changes to upload_methods */
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for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
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GstCaps *template = gst_static_caps_get (upload_methods[i]->out_template);
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ret = ret == NULL ? template : gst_caps_merge (ret, template);
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}
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ret = gst_caps_simplify (ret);
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return ret;
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}
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static void gst_vulkan_upload_finalize (GObject * object);
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static void gst_vulkan_upload_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * param_spec);
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@ -61,17 +429,6 @@ static GstFlowReturn gst_vulkan_upload_transform (GstBaseTransform * bt,
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static GstFlowReturn gst_vulkan_upload_prepare_output_buffer (GstBaseTransform *
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bt, GstBuffer * inbuf, GstBuffer ** outbuf);
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw"));
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw(memory:"
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GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME ") ; " "video/x-raw"));
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enum
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{
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PROP_0,
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@ -108,10 +465,19 @@ gst_vulkan_upload_class_init (GstVulkanUploadClass * klass)
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"Filter/Video", "A Vulkan data uploader",
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"Matthew Waters <matthew@centricular.com>");
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&src_template));
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{
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GstCaps *caps;
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caps = _get_input_template_caps ();
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gst_element_class_add_pad_template (gstelement_class,
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gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps));
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gst_caps_unref (caps);
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caps = _get_output_template_caps ();
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gst_element_class_add_pad_template (gstelement_class,
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gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps));
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gst_caps_unref (caps);
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}
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gobject_class->finalize = gst_vulkan_upload_finalize;
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@ -132,12 +498,27 @@ gst_vulkan_upload_class_init (GstVulkanUploadClass * klass)
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static void
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gst_vulkan_upload_init (GstVulkanUpload * vk_upload)
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{
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guint i, n;
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n = G_N_ELEMENTS (upload_methods);
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vk_upload->upload_impls = g_malloc (sizeof (gpointer) * n);
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for (i = 0; i < n; i++) {
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vk_upload->upload_impls[i] = upload_methods[i]->new_impl (vk_upload);
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}
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}
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static void
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gst_vulkan_upload_finalize (GObject * object)
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{
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// GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (object);
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GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (object);
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guint i;
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gst_caps_replace (&vk_upload->in_caps, NULL);
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gst_caps_replace (&vk_upload->out_caps, NULL);
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for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
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upload_methods[i]->free (vk_upload->upload_impls[i]);
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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@ -306,32 +687,41 @@ static GstCaps *
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gst_vulkan_upload_transform_caps (GstBaseTransform * bt,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter)
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{
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// GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
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GstCaps *tmp = NULL;
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GstCaps *result = NULL;
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GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
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GstCaps *result, *tmp;
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gint i;
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tmp = gst_caps_copy (caps);
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tmp = gst_caps_new_empty ();
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if (direction == GST_PAD_SINK) {
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gst_caps_set_features (tmp, 0,
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gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER));
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} else {
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gst_caps_set_features (tmp, 0,
|
||||
gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY));
|
||||
for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
|
||||
GstCaps *tmp2;
|
||||
GstCaps *templ;
|
||||
|
||||
if (direction == GST_PAD_SINK) {
|
||||
templ = gst_static_caps_get (upload_methods[i]->in_template);
|
||||
} else {
|
||||
templ = gst_static_caps_get (upload_methods[i]->out_template);
|
||||
}
|
||||
if (!gst_caps_can_intersect (caps, templ)) {
|
||||
gst_caps_unref (templ);
|
||||
continue;
|
||||
}
|
||||
gst_caps_unref (templ);
|
||||
|
||||
tmp2 = upload_methods[i]->transform_caps (vk_upload->upload_impls[i],
|
||||
direction, caps);
|
||||
|
||||
if (tmp2)
|
||||
tmp = gst_caps_merge (tmp, tmp2);
|
||||
}
|
||||
|
||||
if (filter) {
|
||||
GST_DEBUG_OBJECT (bt, "intersecting with filter caps %" GST_PTR_FORMAT,
|
||||
filter);
|
||||
|
||||
result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
|
||||
gst_caps_unref (tmp);
|
||||
} else {
|
||||
result = tmp;
|
||||
}
|
||||
|
||||
GST_DEBUG_OBJECT (bt, "returning caps: %" GST_PTR_FORMAT, result);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
|
@ -340,41 +730,46 @@ gst_vulkan_upload_set_caps (GstBaseTransform * bt, GstCaps * in_caps,
|
|||
GstCaps * out_caps)
|
||||
{
|
||||
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
|
||||
guint out_width, out_height;
|
||||
gboolean found_method = FALSE;
|
||||
guint i;
|
||||
|
||||
if (!gst_video_info_from_caps (&vk_upload->in_info, in_caps))
|
||||
return FALSE;
|
||||
gst_caps_replace (&vk_upload->in_caps, in_caps);
|
||||
gst_caps_replace (&vk_upload->out_caps, out_caps);
|
||||
|
||||
if (!gst_video_info_from_caps (&vk_upload->out_info, out_caps))
|
||||
return FALSE;
|
||||
for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
|
||||
GstCaps *templ;
|
||||
|
||||
out_width = GST_VIDEO_INFO_WIDTH (&vk_upload->out_info);
|
||||
out_height = GST_VIDEO_INFO_HEIGHT (&vk_upload->out_info);
|
||||
templ = gst_static_caps_get (upload_methods[i]->in_template);
|
||||
if (!gst_caps_can_intersect (in_caps, templ)) {
|
||||
gst_caps_unref (templ);
|
||||
continue;
|
||||
}
|
||||
gst_caps_unref (templ);
|
||||
|
||||
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&vk_upload->out_info); i++) {
|
||||
GstVideoFormat v_format = GST_VIDEO_INFO_FORMAT (&vk_upload->out_info);
|
||||
GstVulkanImageMemory *img_mem;
|
||||
VkFormat vk_format;
|
||||
templ = gst_static_caps_get (upload_methods[i]->out_template);
|
||||
if (!gst_caps_can_intersect (out_caps, templ)) {
|
||||
gst_caps_unref (templ);
|
||||
continue;
|
||||
}
|
||||
gst_caps_unref (templ);
|
||||
|
||||
vk_format = gst_vulkan_format_from_video_format (v_format, i);
|
||||
if (!upload_methods[i]->set_caps (vk_upload->upload_impls[i], in_caps,
|
||||
out_caps))
|
||||
continue;
|
||||
|
||||
img_mem = (GstVulkanImageMemory *)
|
||||
gst_vulkan_image_memory_alloc (vk_upload->device, vk_format, out_width,
|
||||
out_height, VK_IMAGE_TILING_OPTIMAL,
|
||||
VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
|
||||
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
|
||||
GST_LOG_OBJECT (bt, "uploader %s accepted caps in: %" GST_PTR_FORMAT
|
||||
" out: %" GST_PTR_FORMAT, upload_methods[i]->name, in_caps, out_caps);
|
||||
|
||||
vk_upload->alloc_sizes[i] = img_mem->requirements.size;
|
||||
|
||||
gst_memory_unref (GST_MEMORY_CAST (img_mem));
|
||||
vk_upload->current_impl = i;
|
||||
found_method = TRUE;
|
||||
break;
|
||||
}
|
||||
|
||||
GST_DEBUG_OBJECT (bt,
|
||||
"set caps in: %" GST_PTR_FORMAT " out: %" GST_PTR_FORMAT, in_caps,
|
||||
out_caps);
|
||||
|
||||
return TRUE;
|
||||
return found_method;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
|
@ -382,62 +777,30 @@ gst_vulkan_upload_propose_allocation (GstBaseTransform * bt,
|
|||
GstQuery * decide_query, GstQuery * query)
|
||||
{
|
||||
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
|
||||
gboolean need_pool;
|
||||
GstCaps *caps;
|
||||
gboolean ret;
|
||||
guint size;
|
||||
guint i;
|
||||
|
||||
gst_query_parse_allocation (query, &caps, &need_pool);
|
||||
for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
|
||||
GstCaps *templ;
|
||||
|
||||
if (caps == NULL)
|
||||
goto no_caps;
|
||||
|
||||
if (need_pool) {
|
||||
GstBufferPool *pool;
|
||||
GstStructure *config;
|
||||
GstVideoInfo info;
|
||||
|
||||
if (!gst_video_info_from_caps (&info, caps))
|
||||
goto invalid_caps;
|
||||
|
||||
/* the normal size of a frame */
|
||||
size = info.size;
|
||||
|
||||
GST_DEBUG_OBJECT (bt, "create new pool");
|
||||
pool = gst_vulkan_buffer_pool_new (vk_upload->device);
|
||||
|
||||
config = gst_buffer_pool_get_config (pool);
|
||||
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
|
||||
|
||||
if (!gst_buffer_pool_set_config (pool, config)) {
|
||||
g_object_unref (pool);
|
||||
goto config_failed;
|
||||
templ = gst_static_caps_get (upload_methods[i]->in_template);
|
||||
if (!gst_caps_can_intersect (vk_upload->in_caps, templ)) {
|
||||
gst_caps_unref (templ);
|
||||
continue;
|
||||
}
|
||||
gst_caps_unref (templ);
|
||||
|
||||
gst_query_add_allocation_pool (query, pool, size, 1, 0);
|
||||
g_object_unref (pool);
|
||||
templ = gst_static_caps_get (upload_methods[i]->out_template);
|
||||
if (!gst_caps_can_intersect (vk_upload->out_caps, templ)) {
|
||||
gst_caps_unref (templ);
|
||||
continue;
|
||||
}
|
||||
gst_caps_unref (templ);
|
||||
|
||||
upload_methods[i]->propose_allocation (vk_upload->upload_impls[i],
|
||||
decide_query, query);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
|
||||
/* ERRORS */
|
||||
no_caps:
|
||||
{
|
||||
GST_DEBUG_OBJECT (bt, "no caps specified");
|
||||
return FALSE;
|
||||
}
|
||||
invalid_caps:
|
||||
{
|
||||
GST_DEBUG_OBJECT (bt, "invalid caps specified");
|
||||
return FALSE;
|
||||
}
|
||||
config_failed:
|
||||
{
|
||||
GST_DEBUG_OBJECT (bt, "failed setting config");
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
|
@ -446,60 +809,61 @@ gst_vulkan_upload_decide_allocation (GstBaseTransform * bt, GstQuery * query)
|
|||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
_upload_find_method (GstVulkanUpload * vk_upload)
|
||||
{
|
||||
vk_upload->current_impl++;
|
||||
|
||||
if (vk_upload->current_impl > G_N_ELEMENTS (upload_methods))
|
||||
return FALSE;
|
||||
|
||||
GST_DEBUG_OBJECT (vk_upload, "attempting upload with uploader %s",
|
||||
upload_methods[vk_upload->current_impl]->name);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_vulkan_upload_prepare_output_buffer (GstBaseTransform * bt,
|
||||
GstBuffer * inbuf, GstBuffer ** outbuf)
|
||||
{
|
||||
if (gst_is_vulkan_buffer_memory (gst_buffer_peek_memory (inbuf, 0))) {
|
||||
*outbuf = inbuf;
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
|
||||
GstFlowReturn ret;
|
||||
|
||||
return GST_BASE_TRANSFORM_CLASS (parent_class)->prepare_output_buffer (bt,
|
||||
inbuf, outbuf);
|
||||
do {
|
||||
gpointer method_impl;
|
||||
const struct UploadMethod *method;
|
||||
|
||||
method = upload_methods[vk_upload->current_impl];
|
||||
method_impl = vk_upload->upload_impls[vk_upload->current_impl];
|
||||
|
||||
ret = method->perform (method_impl, inbuf, outbuf);
|
||||
if (ret != GST_FLOW_OK) {
|
||||
do {
|
||||
if (!_upload_find_method (vk_upload)) {
|
||||
GST_ELEMENT_ERROR (bt, RESOURCE, NOT_FOUND,
|
||||
("Could not find suitable uploader"), (NULL));
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
method = upload_methods[vk_upload->current_impl];
|
||||
method_impl = vk_upload->upload_impls[vk_upload->current_impl];
|
||||
if (!method->set_caps (method_impl, vk_upload->in_caps,
|
||||
vk_upload->out_caps))
|
||||
/* try the next method */
|
||||
continue;
|
||||
} while (FALSE);
|
||||
/* try the uploading with the next method */
|
||||
continue;
|
||||
}
|
||||
} while (FALSE);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_vulkan_upload_transform (GstBaseTransform * bt, GstBuffer * inbuf,
|
||||
GstBuffer * outbuf)
|
||||
{
|
||||
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
|
||||
GstVideoFrame v_frame;
|
||||
guint i;
|
||||
|
||||
if (inbuf == outbuf)
|
||||
return GST_FLOW_OK;
|
||||
|
||||
if (!gst_video_frame_map (&v_frame, &vk_upload->in_info, inbuf, GST_MAP_READ)) {
|
||||
GST_ELEMENT_ERROR (bt, RESOURCE, NOT_FOUND,
|
||||
("%s", "Failed to map input buffer"), NULL);
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&vk_upload->out_info); i++) {
|
||||
GstMapInfo map_info;
|
||||
gsize plane_size;
|
||||
GstMemory *mem;
|
||||
|
||||
mem = gst_buffer_peek_memory (outbuf, i);
|
||||
if (!gst_memory_map (GST_MEMORY_CAST (mem), &map_info, GST_MAP_WRITE)) {
|
||||
GST_ELEMENT_ERROR (bt, RESOURCE, NOT_FOUND,
|
||||
("%s", "Failed to map output memory"), NULL);
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
plane_size =
|
||||
GST_VIDEO_INFO_PLANE_STRIDE (&vk_upload->out_info,
|
||||
i) * GST_VIDEO_INFO_COMP_HEIGHT (&vk_upload->out_info, i);
|
||||
g_assert (plane_size < map_info.size);
|
||||
memcpy (map_info.data, v_frame.data[i], plane_size);
|
||||
|
||||
gst_memory_unmap (GST_MEMORY_CAST (mem), &map_info);
|
||||
|
||||
gst_buffer_append_memory (outbuf, mem);
|
||||
}
|
||||
|
||||
gst_video_frame_unmap (&v_frame);
|
||||
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -36,6 +36,29 @@ G_BEGIN_DECLS
|
|||
typedef struct _GstVulkanUpload GstVulkanUpload;
|
||||
typedef struct _GstVulkanUploadClass GstVulkanUploadClass;
|
||||
|
||||
struct UploadMethod
|
||||
{
|
||||
const gchar *name;
|
||||
|
||||
GstStaticCaps *in_template;
|
||||
GstStaticCaps *out_template;
|
||||
|
||||
gpointer (*new_impl) (GstVulkanUpload * upload);
|
||||
GstCaps * (*transform_caps) (gpointer impl,
|
||||
GstPadDirection direction,
|
||||
GstCaps * caps);
|
||||
gboolean (*set_caps) (gpointer impl,
|
||||
GstCaps * in_caps,
|
||||
GstCaps * out_caps);
|
||||
void (*propose_allocation) (gpointer impl,
|
||||
GstQuery * decide_query,
|
||||
GstQuery * query);
|
||||
GstFlowReturn (*perform) (gpointer impl,
|
||||
GstBuffer * buffer,
|
||||
GstBuffer ** outbuf);
|
||||
void (*free) (gpointer impl);
|
||||
};
|
||||
|
||||
struct _GstVulkanUpload
|
||||
{
|
||||
GstBaseTransform parent;
|
||||
|
|
@ -45,10 +68,12 @@ struct _GstVulkanUpload
|
|||
|
||||
GstVulkanDisplay *display;
|
||||
|
||||
GstVideoInfo in_info;
|
||||
GstVideoInfo out_info;
|
||||
GstCaps *in_caps;
|
||||
GstCaps *out_caps;
|
||||
|
||||
gsize alloc_sizes[GST_VIDEO_MAX_PLANES];
|
||||
/* all impl pointers */
|
||||
gpointer *upload_impls;
|
||||
guint current_impl;
|
||||
};
|
||||
|
||||
struct _GstVulkanUploadClass
|
||||
|
|
|
|||
Loading…
Reference in a new issue