/** * gst_vaapi_plugin_base_propose_allocation: * @plugin: a #GstVaapiPluginBase * @query: the allocation query to configure * * Proposes allocation parameters to the upstream elements. * * Returns: %TRUE if successful, %FALSE otherwise. */ gboolean gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin, GstQuery * query) { GstCaps *caps = NULL; gboolean need_pool; gst_query_parse_allocation (query, &caps, &need_pool); if (!caps) goto error_no_caps; if (need_pool) { if (!ensure_sinkpad_buffer_pool (plugin, caps)) return FALSE; gst_query_add_allocation_pool (query, plugin->sinkpad_buffer_pool, plugin->sinkpad_buffer_size, BUFFER_POOL_SINK_MIN_BUFFERS, 0); gst_query_add_allocation_param (query, plugin->sinkpad_allocator, NULL); } gst_query_add_allocation_meta (query, GST_VAAPI_VIDEO_META_API_TYPE, NULL); gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL); return TRUE; /* ERRORS */ error_no_caps: { GST_INFO_OBJECT (plugin, "no caps specified"); return FALSE; } }
/** * gst_vaapi_plugin_base_set_caps: * @plugin: a #GstVaapiPluginBase * @incaps: the sink pad (input) caps * @outcaps: the src pad (output) caps * * Notifies the base plugin object of the new input and output caps, * obtained from the subclass. * * Returns: %TRUE if the update of caps was successful, %FALSE otherwise. */ gboolean gst_vaapi_plugin_base_set_caps (GstVaapiPluginBase * plugin, GstCaps * incaps, GstCaps * outcaps) { if (incaps && incaps != plugin->sinkpad_caps) { if (!gst_video_info_from_caps (&plugin->sinkpad_info, incaps)) return FALSE; gst_caps_replace (&plugin->sinkpad_caps, incaps); plugin->sinkpad_caps_is_raw = !gst_caps_has_vaapi_surface (incaps); } if (outcaps && outcaps != plugin->srcpad_caps) { if (!gst_video_info_from_caps (&plugin->srcpad_info, outcaps)) return FALSE; if (plugin->srcpad_buffer_pool && !gst_vaapi_buffer_pool_caps_is_equal (plugin->srcpad_buffer_pool, outcaps)) { gst_buffer_pool_set_active (plugin->srcpad_buffer_pool, FALSE); g_clear_object (&plugin->srcpad_buffer_pool); g_clear_object (&plugin->srcpad_allocator); plugin_reset_texture_map (plugin); } gst_caps_replace (&plugin->srcpad_caps, outcaps); } if (!ensure_sinkpad_buffer_pool (plugin, plugin->sinkpad_caps)) return FALSE; return TRUE; }
/** * gst_vaapi_plugin_base_propose_allocation: * @plugin: a #GstVaapiPluginBase * @query: the allocation query to configure * * Proposes allocation parameters to the upstream elements. * * Returns: %TRUE if successful, %FALSE otherwise. */ gboolean gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin, GstQuery * query) { GstCaps *caps = NULL; gboolean need_pool; gst_query_parse_allocation (query, &caps, &need_pool); if (need_pool) { if (!caps) goto error_no_caps; if (!ensure_sinkpad_buffer_pool (plugin, caps)) return FALSE; gst_query_add_allocation_pool (query, plugin->sinkpad_buffer_pool, plugin->sinkpad_buffer_size, 0, 0); if (has_dmabuf_capable_peer (plugin, plugin->sinkpad)) { GstStructure *const config = gst_buffer_pool_get_config (plugin->sinkpad_buffer_pool); gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_DMABUF_MEMORY); if (!gst_buffer_pool_set_config (plugin->sinkpad_buffer_pool, config)) goto error_pool_config; } } gst_query_add_allocation_meta (query, GST_VAAPI_VIDEO_META_API_TYPE, NULL); gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL); return TRUE; /* ERRORS */ error_no_caps: { GST_INFO_OBJECT (plugin, "no caps specified"); return FALSE; } error_pool_config: { GST_ERROR_OBJECT (plugin, "failed to reset buffer pool config"); return FALSE; } }
/** * gst_vaapi_plugin_base_set_caps: * @plugin: a #GstVaapiPluginBase * @incaps: the sink pad (input) caps * @outcaps: the src pad (output) caps * * Notifies the base plugin object of the new input and output caps, * obtained from the subclass. * * Returns: %TRUE if the update of caps was successful, %FALSE otherwise. */ gboolean gst_vaapi_plugin_base_set_caps (GstVaapiPluginBase * plugin, GstCaps * incaps, GstCaps * outcaps) { if (incaps && incaps != plugin->sinkpad_caps) { gst_caps_replace (&plugin->sinkpad_caps, incaps); if (!gst_video_info_from_caps (&plugin->sinkpad_info, incaps)) return FALSE; plugin->sinkpad_caps_changed = TRUE; plugin->sinkpad_caps_is_raw = !gst_caps_has_vaapi_surface (incaps); } if (outcaps && outcaps != plugin->srcpad_caps) { gst_caps_replace (&plugin->srcpad_caps, outcaps); if (!gst_video_info_from_caps (&plugin->srcpad_info, outcaps)) return FALSE; plugin->srcpad_caps_changed = TRUE; } if (!ensure_sinkpad_buffer_pool (plugin, plugin->sinkpad_caps)) return FALSE; return TRUE; }