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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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559 lines
16 KiB
C
559 lines
16 KiB
C
/*
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* GStreamer
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* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvdpvideobuffer.h"
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GST_DEBUG_CATEGORY_STATIC (gst_vdp_video_buffer_debug);
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#define GST_CAT_DEFAULT gst_vdp_video_buffer_debug
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#define DEBUG_INIT(bla) \
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GST_DEBUG_CATEGORY_INIT (gst_vdp_video_buffer_debug, "vdpvideobuffer", 0, "VDPAU video buffer");
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GstVdpVideoBuffer *
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gst_vdp_video_buffer_new (GstVdpDevice * device, VdpChromaType chroma_type,
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gint width, gint height, GError ** error)
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{
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GstVdpVideoBuffer *buffer;
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VdpStatus status;
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VdpVideoSurface surface;
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g_return_val_if_fail (GST_IS_VDP_DEVICE (device), NULL);
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status = device->vdp_video_surface_create (device->device, chroma_type, width,
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height, &surface);
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if (status != VDP_STATUS_OK)
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goto create_error;
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buffer =
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(GstVdpVideoBuffer *) gst_mini_object_new (GST_TYPE_VDP_VIDEO_BUFFER);
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buffer->device = g_object_ref (device);
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buffer->surface = surface;
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return buffer;
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create_error:
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g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_READ,
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"Couldn't create a VdpVideoSurface, error returned from vdpau was: %s",
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device->vdp_get_error_string (status));
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return NULL;
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}
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static GObjectClass *gst_vdp_video_buffer_parent_class;
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static void
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gst_vdp_video_buffer_finalize (GstVdpVideoBuffer * buffer)
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{
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GstVdpDevice *device;
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VdpStatus status;
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if (gst_vdp_buffer_revive (GST_VDP_BUFFER_CAST (buffer)))
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return;
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device = buffer->device;
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status = device->vdp_video_surface_destroy (buffer->surface);
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if (status != VDP_STATUS_OK)
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GST_ERROR
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("Couldn't destroy the buffers VdpVideoSurface, error returned was: %s",
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device->vdp_get_error_string (status));
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g_object_unref (buffer->device);
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GST_MINI_OBJECT_CLASS (gst_vdp_video_buffer_parent_class)->finalize
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(GST_MINI_OBJECT (buffer));
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}
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static void
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gst_vdp_video_buffer_init (GstVdpVideoBuffer * buffer, gpointer g_class)
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{
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buffer->device = NULL;
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buffer->surface = VDP_INVALID_HANDLE;
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}
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static void
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gst_vdp_video_buffer_class_init (gpointer g_class, gpointer class_data)
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{
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GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
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gst_vdp_video_buffer_parent_class = g_type_class_peek_parent (g_class);
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mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
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gst_vdp_video_buffer_finalize;
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}
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GType
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gst_vdp_video_buffer_get_type (void)
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{
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static GType _gst_vdp_video_buffer_type;
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if (G_UNLIKELY (_gst_vdp_video_buffer_type == 0)) {
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static const GTypeInfo info = {
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sizeof (GstBufferClass),
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NULL,
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NULL,
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gst_vdp_video_buffer_class_init,
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NULL,
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NULL,
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sizeof (GstVdpVideoBuffer),
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0,
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(GInstanceInitFunc) gst_vdp_video_buffer_init,
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NULL
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};
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_gst_vdp_video_buffer_type = g_type_register_static (GST_TYPE_VDP_BUFFER,
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"GstVdpVideoBuffer", &info, 0);
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}
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return _gst_vdp_video_buffer_type;
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}
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GstCaps *
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gst_vdp_video_buffer_get_caps (gboolean filter, VdpChromaType chroma_type)
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{
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GstCaps *video_caps, *yuv_caps;
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gint i;
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video_caps = gst_caps_new_empty ();
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for (i = 0; i < G_N_ELEMENTS (chroma_types); i++) {
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GstStructure *structure;
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if (filter) {
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if (chroma_types[i] != chroma_type)
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continue;
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}
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structure = gst_structure_new ("video/x-vdpau-video",
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"chroma-type", G_TYPE_INT, chroma_types[i],
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"width", GST_TYPE_INT_RANGE, 1, 4096,
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"height", GST_TYPE_INT_RANGE, 1, 4096, NULL);
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gst_caps_append_structure (video_caps, structure);
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}
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yuv_caps = gst_caps_new_empty ();
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for (i = 0; i < G_N_ELEMENTS (formats); i++) {
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GstStructure *structure;
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if (filter) {
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if (formats[i].chroma_type != chroma_type)
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continue;
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}
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structure = gst_structure_new ("video/x-raw-yuv",
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"format", GST_TYPE_FOURCC, formats[i].fourcc,
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"width", GST_TYPE_INT_RANGE, 1, 4096,
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"height", GST_TYPE_INT_RANGE, 1, 4096, NULL);
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gst_caps_append_structure (yuv_caps, structure);
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}
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gst_caps_append (video_caps, yuv_caps);
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return video_caps;
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}
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GstCaps *
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gst_vdp_video_buffer_get_allowed_caps (GstVdpDevice * device)
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{
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GstCaps *video_caps, *yuv_caps;
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gint i;
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VdpStatus status;
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video_caps = gst_caps_new_empty ();
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yuv_caps = gst_caps_new_empty ();
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for (i = 0; i < G_N_ELEMENTS (chroma_types); i++) {
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VdpBool is_supported;
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guint32 max_w, max_h;
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status =
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device->vdp_video_surface_query_capabilities (device->device,
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chroma_types[i], &is_supported, &max_w, &max_h);
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if (status != VDP_STATUS_OK && status != VDP_STATUS_INVALID_CHROMA_TYPE)
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goto surface_query_caps_error;
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if (is_supported) {
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GstCaps *format_caps;
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gint j;
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format_caps = gst_caps_new_simple ("video/x-vdpau-video",
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"chroma-type", G_TYPE_INT, chroma_types[i],
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"width", GST_TYPE_INT_RANGE, 1, max_w,
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"height", GST_TYPE_INT_RANGE, 1, max_h, NULL);
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gst_caps_append (video_caps, format_caps);
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for (j = 0; j < G_N_ELEMENTS (formats); j++) {
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if (formats[j].chroma_type != chroma_types[i])
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continue;
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status =
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device->vdp_video_surface_query_ycbcr_capabilities (device->device,
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formats[j].chroma_type, formats[j].format, &is_supported);
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if (status != VDP_STATUS_OK
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&& status != VDP_STATUS_INVALID_Y_CB_CR_FORMAT)
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goto surface_query_ycbcr_error;
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if (is_supported) {
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format_caps = gst_caps_new_simple ("video/x-raw-yuv",
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"format", GST_TYPE_FOURCC, formats[j].fourcc,
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"width", GST_TYPE_INT_RANGE, 1, max_w,
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"height", GST_TYPE_INT_RANGE, 1, max_h, NULL);
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gst_caps_append (yuv_caps, format_caps);
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}
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}
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}
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}
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done:
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gst_caps_append (video_caps, yuv_caps);
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return video_caps;
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surface_query_caps_error:
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GST_ERROR_OBJECT (device,
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"Could not get query VDPAU video surface capabilites, "
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"Error returned from vdpau was: %s",
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device->vdp_get_error_string (status));
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goto done;
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surface_query_ycbcr_error:
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GST_ERROR_OBJECT (device, "Could not query VDPAU YCbCr capabilites, "
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"Error returned from vdpau was: %s",
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device->vdp_get_error_string (status));
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goto done;
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}
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gboolean
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gst_vdp_video_buffer_calculate_size (guint32 fourcc, gint width, gint height,
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guint * size)
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{
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switch (fourcc) {
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case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
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{
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*size = gst_video_format_get_size (GST_VIDEO_FORMAT_YV12, width, height);
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break;
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}
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case GST_MAKE_FOURCC ('I', '4', '2', '0'):
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{
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*size = gst_video_format_get_size (GST_VIDEO_FORMAT_YV12, width, height);
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break;
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}
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case GST_MAKE_FOURCC ('N', 'V', '1', '2'):
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{
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*size = width * height + width * height / 2;
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break;
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}
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case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
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{
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*size = gst_video_format_get_size (GST_VIDEO_FORMAT_UYVY, width, height);
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break;
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}
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case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
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{
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*size = gst_video_format_get_size (GST_VIDEO_FORMAT_YUY2, width, height);
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break;
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}
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default:
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return FALSE;
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}
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return TRUE;
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}
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GstCaps *
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gst_vdp_video_buffer_parse_yuv_caps (GstCaps * yuv_caps)
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{
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GstCaps *video_caps;
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gint i;
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g_return_val_if_fail (GST_IS_CAPS (yuv_caps), NULL);
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video_caps = gst_caps_copy (yuv_caps);
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for (i = 0; i < gst_caps_get_size (video_caps); i++) {
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GstStructure *structure;
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guint32 fourcc;
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VdpChromaType chroma_type;
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structure = gst_caps_get_structure (video_caps, i);
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if (!gst_structure_has_name (structure, "video/x-raw-yuv"))
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goto not_yuv_error;
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if (!gst_structure_get_fourcc (structure, "format", &fourcc))
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goto no_format_error;
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chroma_type = -1;
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for (i = 0; i < G_N_ELEMENTS (formats); i++) {
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if (formats[i].fourcc == fourcc) {
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chroma_type = formats[i].chroma_type;
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break;
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}
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}
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if (chroma_type == -1)
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goto no_chroma_error;
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/* now we transform the caps */
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gst_structure_set_name (structure, "video/x-vdpau-video");
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gst_structure_remove_field (structure, "format");
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gst_structure_set (structure, "chroma-type", G_TYPE_INT, chroma_type, NULL);
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}
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return video_caps;
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error:
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gst_caps_unref (video_caps);
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return NULL;
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not_yuv_error:
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GST_WARNING ("The caps weren't of type \"video/x-raw-yuv\"");
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goto error;
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no_format_error:
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GST_WARNING ("The caps didn't have a \"fourcc\" field");
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goto error;
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no_chroma_error:
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GST_WARNING ("The caps had an invalid \"fourcc\" field");
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goto error;
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}
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gboolean
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gst_vdp_video_buffer_download (GstVdpVideoBuffer * video_buf,
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GstBuffer * outbuf, guint32 fourcc, gint width, gint height)
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{
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guint8 *data[3];
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guint32 stride[3];
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VdpYCbCrFormat format;
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GstVdpDevice *device;
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VdpVideoSurface surface;
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VdpStatus status;
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g_return_val_if_fail (GST_IS_VDP_VIDEO_BUFFER (video_buf), FALSE);
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g_return_val_if_fail (GST_IS_BUFFER (outbuf), FALSE);
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switch (fourcc) {
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case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
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{
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data[0] = GST_BUFFER_DATA (outbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_YV12,
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0, width, height);
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data[1] = GST_BUFFER_DATA (outbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_YV12,
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2, width, height);
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data[2] = GST_BUFFER_DATA (outbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_YV12,
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1, width, height);
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stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YV12,
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0, width);
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stride[1] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YV12,
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2, width);
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stride[2] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YV12,
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1, width);
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format = VDP_YCBCR_FORMAT_YV12;
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break;
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}
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case GST_MAKE_FOURCC ('I', '4', '2', '0'):
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{
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data[0] = GST_BUFFER_DATA (outbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420,
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0, width, height);
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data[1] = GST_BUFFER_DATA (outbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420,
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2, width, height);
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data[2] = GST_BUFFER_DATA (outbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420,
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1, width, height);
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stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420,
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0, width);
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stride[1] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420,
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2, width);
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stride[2] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420,
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1, width);
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format = VDP_YCBCR_FORMAT_YV12;
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break;
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}
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case GST_MAKE_FOURCC ('N', 'V', '1', '2'):
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{
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data[0] = GST_BUFFER_DATA (outbuf);
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data[1] = GST_BUFFER_DATA (outbuf) + width * height;
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stride[0] = width;
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stride[1] = width;
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format = VDP_YCBCR_FORMAT_NV12;
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break;
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}
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case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
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{
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data[0] = GST_BUFFER_DATA (outbuf);
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stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_UYVY,
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0, width);
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format = VDP_YCBCR_FORMAT_UYVY;
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break;
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}
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case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
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{
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data[0] = GST_BUFFER_DATA (outbuf);
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stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YUY2,
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0, width);
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format = VDP_YCBCR_FORMAT_YUYV;
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break;
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}
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default:
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return FALSE;
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}
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device = video_buf->device;
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surface = video_buf->surface;
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GST_LOG_OBJECT (video_buf, "Entering vdp_video_surface_get_bits_ycbcr");
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status =
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device->vdp_video_surface_get_bits_ycbcr (surface,
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format, (void *) data, stride);
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GST_LOG_OBJECT (video_buf,
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"Got status %d from vdp_video_surface_get_bits_ycbcr", status);
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if (G_UNLIKELY (status != VDP_STATUS_OK)) {
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GST_ERROR_OBJECT (video_buf,
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"Couldn't get data from vdpau, Error returned from vdpau was: %s",
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device->vdp_get_error_string (status));
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return FALSE;
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}
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return TRUE;
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}
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gboolean
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gst_vdp_video_buffer_upload (GstVdpVideoBuffer * video_buf, GstBuffer * src_buf,
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guint fourcc, gint width, gint height)
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{
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guint8 *data[3];
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guint32 stride[3];
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VdpYCbCrFormat format;
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GstVdpDevice *device;
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VdpStatus status;
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g_return_val_if_fail (GST_IS_VDP_VIDEO_BUFFER (video_buf), FALSE);
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g_return_val_if_fail (GST_IS_BUFFER (src_buf), FALSE);
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switch (fourcc) {
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case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
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{
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data[0] = GST_BUFFER_DATA (src_buf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_YV12,
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0, width, height);
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data[1] = GST_BUFFER_DATA (src_buf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_YV12,
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2, width, height);
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data[2] = GST_BUFFER_DATA (src_buf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_YV12,
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1, width, height);
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|
|
stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YV12,
|
|
0, width);
|
|
stride[1] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YV12,
|
|
2, width);
|
|
stride[2] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YV12,
|
|
1, width);
|
|
|
|
format = VDP_YCBCR_FORMAT_YV12;
|
|
break;
|
|
}
|
|
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
|
|
{
|
|
data[0] = GST_BUFFER_DATA (src_buf) +
|
|
gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420,
|
|
0, width, height);
|
|
data[1] = GST_BUFFER_DATA (src_buf) +
|
|
gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420,
|
|
2, width, height);
|
|
data[2] = GST_BUFFER_DATA (src_buf) +
|
|
gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420,
|
|
1, width, height);
|
|
|
|
stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420,
|
|
0, width);
|
|
stride[1] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420,
|
|
2, width);
|
|
stride[2] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420,
|
|
1, width);
|
|
|
|
format = VDP_YCBCR_FORMAT_YV12;
|
|
break;
|
|
}
|
|
case GST_MAKE_FOURCC ('N', 'V', '1', '2'):
|
|
{
|
|
data[0] = GST_BUFFER_DATA (src_buf);
|
|
data[1] = GST_BUFFER_DATA (src_buf) + width * height;
|
|
|
|
stride[0] = width;
|
|
stride[1] = width;
|
|
|
|
format = VDP_YCBCR_FORMAT_NV12;
|
|
break;
|
|
}
|
|
case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
|
|
{
|
|
data[0] = GST_BUFFER_DATA (src_buf);
|
|
|
|
stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_UYVY,
|
|
0, width);
|
|
|
|
format = VDP_YCBCR_FORMAT_UYVY;
|
|
break;
|
|
}
|
|
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
|
|
{
|
|
data[0] = GST_BUFFER_DATA (src_buf);
|
|
|
|
stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YUY2,
|
|
0, width);
|
|
|
|
format = VDP_YCBCR_FORMAT_YUYV;
|
|
break;
|
|
}
|
|
default:
|
|
return FALSE;
|
|
}
|
|
|
|
device = video_buf->device;
|
|
status = device->vdp_video_surface_put_bits_ycbcr (video_buf->surface, format,
|
|
(void *) data, stride);
|
|
if (G_UNLIKELY (status != VDP_STATUS_OK)) {
|
|
GST_ERROR_OBJECT (video_buf, "Couldn't push YUV data to VDPAU, "
|
|
"Error returned from vdpau was: %s",
|
|
device->vdp_get_error_string (status));
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|