mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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79c600f7be
The library contains GstVdpDevice GstVdpVideoBuffer and GstVdpOutputBuffer. The library will (apart from the plugins here) be used by the upcoming gst-ffmpeg vdpau support.
339 lines
10 KiB
C
339 lines
10 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 <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/vdpau/gstvdpvideobuffer.h>
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#include "gstvdputils.h"
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#include "gstvdpyuvvideo.h"
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GST_DEBUG_CATEGORY_STATIC (gst_vdp_yuv_video_debug);
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#define GST_CAT_DEFAULT gst_vdp_yuv_video_debug
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/* Filter signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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PROP_0
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};
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static GstStaticPadTemplate sink_template =
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GST_STATIC_PAD_TEMPLATE (GST_BASE_TRANSFORM_SINK_NAME,
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420") ";"
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GST_VIDEO_CAPS_YUV ("YV12") ";" GST_VIDEO_CAPS_YUV ("NV12") ";"
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GST_VIDEO_CAPS_YUV ("UYVY") ";" GST_VIDEO_CAPS_YUV ("YUY2")));
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static GstStaticPadTemplate src_template =
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GST_STATIC_PAD_TEMPLATE (GST_BASE_TRANSFORM_SRC_NAME,
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VDP_VIDEO_CAPS));
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#define DEBUG_INIT(bla) \
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GST_DEBUG_CATEGORY_INIT (gst_vdp_yuv_video_debug, "vdpauyuvvideo", 0, "YUV to VDPAU video surface");
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GST_BOILERPLATE_FULL (GstVdpYUVVideo, gst_vdp_yuv_video, GstBaseTransform,
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GST_TYPE_BASE_TRANSFORM, DEBUG_INIT);
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static gboolean
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gst_vdp_yuv_video_transform_size (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, guint size,
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GstCaps * othercaps, guint * othersize)
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{
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*othersize = size;
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return TRUE;
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}
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static GstFlowReturn
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gst_vdp_yuv_video_transform (GstBaseTransform * trans, GstBuffer * inbuf,
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GstBuffer * outbuf)
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{
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GstVdpYUVVideo *yuv_video = GST_VDP_YUV_VIDEO (trans);
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GstVdpDevice *device;
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VdpVideoSurface surface;
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device = GST_VDP_VIDEO_BUFFER (outbuf)->device;
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if (!yuv_video->device)
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yuv_video->device = g_object_ref (device);
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surface = GST_VDP_VIDEO_BUFFER (outbuf)->surface;
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switch (yuv_video->format) {
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case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
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{
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VdpStatus status;
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guint8 *data[3];
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guint32 stride[3];
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data[0] = GST_BUFFER_DATA (inbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_YV12,
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0, yuv_video->width, yuv_video->height);
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data[1] = GST_BUFFER_DATA (inbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_YV12,
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2, yuv_video->width, yuv_video->height);
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data[2] = GST_BUFFER_DATA (inbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_YV12,
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1, yuv_video->width, yuv_video->height);
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stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YV12,
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0, yuv_video->width);
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stride[1] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YV12,
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2, yuv_video->width);
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stride[2] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YV12,
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1, yuv_video->width);
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status =
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device->vdp_video_surface_put_bits_ycbcr (surface,
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VDP_YCBCR_FORMAT_YV12, (void *) data, stride);
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if (G_UNLIKELY (status != VDP_STATUS_OK)) {
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GST_ELEMENT_ERROR (yuv_video, RESOURCE, READ,
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("Couldn't push YV12 data to VDPAU"),
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("Error returned from vdpau was: %s",
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device->vdp_get_error_string (status)));
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return GST_FLOW_ERROR;
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}
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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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VdpStatus status;
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guint8 *data[3];
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guint32 stride[3];
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data[0] = GST_BUFFER_DATA (inbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420,
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0, yuv_video->width, yuv_video->height);
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data[1] = GST_BUFFER_DATA (inbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420,
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2, yuv_video->width, yuv_video->height);
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data[2] = GST_BUFFER_DATA (inbuf) +
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gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420,
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1, yuv_video->width, yuv_video->height);
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stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420,
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0, yuv_video->width);
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stride[1] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420,
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2, yuv_video->width);
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stride[2] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420,
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1, yuv_video->width);
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status =
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device->vdp_video_surface_put_bits_ycbcr (surface,
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VDP_YCBCR_FORMAT_YV12, (void *) data, stride);
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if (G_UNLIKELY (status != VDP_STATUS_OK)) {
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GST_ELEMENT_ERROR (yuv_video, RESOURCE, READ,
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("Couldn't push YV12 data to VDPAU"),
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("Error returned from vdpau was: %s",
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device->vdp_get_error_string (status)));
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return GST_FLOW_ERROR;
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}
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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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VdpStatus status;
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guint8 *data[2];
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guint32 stride[2];
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data[0] = GST_BUFFER_DATA (inbuf);
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data[1] = GST_BUFFER_DATA (inbuf) + yuv_video->width * yuv_video->height;
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stride[0] = yuv_video->width;
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stride[1] = yuv_video->width;
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status =
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device->vdp_video_surface_put_bits_ycbcr (surface,
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VDP_YCBCR_FORMAT_NV12, (void *) data, stride);
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if (G_UNLIKELY (status != VDP_STATUS_OK)) {
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GST_ELEMENT_ERROR (yuv_video, RESOURCE, READ,
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("Couldn't get data from vdpau"),
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("Error returned from vdpau was: %s",
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device->vdp_get_error_string (status)));
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return GST_FLOW_ERROR;
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}
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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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VdpStatus status;
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guint8 *data[1];
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guint32 stride[1];
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data[0] = GST_BUFFER_DATA (inbuf);
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stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_UYVY,
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0, yuv_video->width);
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status =
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device->vdp_video_surface_put_bits_ycbcr (surface,
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VDP_YCBCR_FORMAT_UYVY, (void *) data, stride);
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if (G_UNLIKELY (status != VDP_STATUS_OK)) {
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GST_ELEMENT_ERROR (yuv_video, RESOURCE, READ,
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("Couldn't get data from vdpau"),
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("Error returned from vdpau was: %s",
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device->vdp_get_error_string (status)));
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return GST_FLOW_ERROR;
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}
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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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VdpStatus status;
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guint8 *data[1];
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guint32 stride[1];
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data[0] = GST_BUFFER_DATA (inbuf);
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stride[0] = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_YUY2,
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0, yuv_video->width);
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status =
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device->vdp_video_surface_put_bits_ycbcr (surface,
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VDP_YCBCR_FORMAT_YUYV, (void *) data, stride);
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if (G_UNLIKELY (status != VDP_STATUS_OK)) {
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GST_ELEMENT_ERROR (yuv_video, RESOURCE, READ,
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("Couldn't get data from vdpau"),
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("Error returned from vdpau was: %s",
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device->vdp_get_error_string (status)));
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return GST_FLOW_ERROR;
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}
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break;
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}
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default:
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break;
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}
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gst_buffer_copy_metadata (outbuf, inbuf,
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GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS);
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return GST_FLOW_OK;
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}
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static gboolean
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gst_vdp_yuv_video_set_caps (GstBaseTransform * trans, GstCaps * incaps,
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GstCaps * outcaps)
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{
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GstVdpYUVVideo *yuv_video = GST_VDP_YUV_VIDEO (trans);
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GstStructure *structure;
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structure = gst_caps_get_structure (incaps, 0);
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if (!gst_structure_get_int (structure, "width", &yuv_video->width))
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return FALSE;
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if (!gst_structure_get_int (structure, "height", &yuv_video->height))
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return FALSE;
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if (!gst_structure_get_fourcc (structure, "format", &yuv_video->format))
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return FALSE;
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return TRUE;
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}
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static GstCaps *
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gst_vdp_yuv_video_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps)
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{
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GstVdpYUVVideo *yuv_video = GST_VDP_YUV_VIDEO (trans);
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GstCaps *result = NULL;
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if (direction == GST_PAD_SINK) {
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result = gst_vdp_yuv_to_video_caps (caps, yuv_video->device);
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} else if (direction == GST_PAD_SRC) {
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result = gst_vdp_video_to_yuv_caps (caps, yuv_video->device);
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}
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GST_LOG ("transformed %" GST_PTR_FORMAT " to %" GST_PTR_FORMAT, caps, result);
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return result;
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}
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static gboolean
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gst_vdp_yuv_video_start (GstBaseTransform * trans)
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{
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GstVdpYUVVideo *yuv_video = GST_VDP_YUV_VIDEO (trans);
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yuv_video->device = NULL;
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return TRUE;
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}
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static gboolean
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gst_vdp_yuv_video_stop (GstBaseTransform * trans)
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{
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GstVdpYUVVideo *yuv_video = GST_VDP_YUV_VIDEO (trans);
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if (yuv_video->device)
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g_object_unref (yuv_video->device);
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return TRUE;
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}
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/* GObject vmethod implementations */
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static void
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gst_vdp_yuv_video_base_init (gpointer klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_set_details_simple (element_class,
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"VdpauYUVVideo",
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"Filter/Converter/Decoder/Video",
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"VDPAU video surface to YUV",
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"Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>");
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_template));
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}
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static void
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gst_vdp_yuv_video_class_init (GstVdpYUVVideoClass * klass)
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{
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GObjectClass *gobject_class;
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GstBaseTransformClass *trans_class;
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gobject_class = (GObjectClass *) klass;
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trans_class = (GstBaseTransformClass *) klass;
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trans_class->start = gst_vdp_yuv_video_start;
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trans_class->stop = gst_vdp_yuv_video_stop;
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trans_class->transform_caps = gst_vdp_yuv_video_transform_caps;
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trans_class->transform_size = gst_vdp_yuv_video_transform_size;
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trans_class->set_caps = gst_vdp_yuv_video_set_caps;
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trans_class->transform = gst_vdp_yuv_video_transform;
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}
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static void
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gst_vdp_yuv_video_init (GstVdpYUVVideo * yuv_video, GstVdpYUVVideoClass * klass)
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{
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}
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