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b7aa03570c
GstVdpVideoSrcPad takes care of caps negotiation and conversion of GstVdpVideoBuffers to the negotiated output format.
114 lines
3.6 KiB
C
114 lines
3.6 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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#ifndef _GST_VDP_VIDEO_BUFFER_H_
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#define _GST_VDP_VIDEO_BUFFER_H_
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "gstvdpdevice.h"
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#include "gstvdpvideobuffer.h"
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typedef struct _GstVdpVideoBuffer GstVdpVideoBuffer;
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#define GST_TYPE_VDP_VIDEO_BUFFER (gst_vdp_video_buffer_get_type())
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#define GST_IS_VDP_VIDEO_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VDP_VIDEO_BUFFER))
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#define GST_VDP_VIDEO_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VDP_VIDEO_BUFFER, GstVdpVideoBuffer))
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struct _GstVdpVideoBuffer {
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GstBuffer buffer;
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GstVdpDevice *device;
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VdpVideoSurface surface;
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};
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typedef struct
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{
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VdpChromaType chroma_type;
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VdpYCbCrFormat format;
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guint32 fourcc;
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} GstVdpVideoBufferFormats;
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static const VdpChromaType chroma_types[] =
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{ VDP_CHROMA_TYPE_420, VDP_CHROMA_TYPE_422, VDP_CHROMA_TYPE_444 };
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static const GstVdpVideoBufferFormats formats[] = {
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{
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VDP_CHROMA_TYPE_420,
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VDP_YCBCR_FORMAT_YV12,
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GST_MAKE_FOURCC ('I', '4', '2', '0')
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},
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{
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VDP_CHROMA_TYPE_420,
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VDP_YCBCR_FORMAT_YV12,
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GST_MAKE_FOURCC ('Y', 'V', '1', '2')
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},
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{
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VDP_CHROMA_TYPE_420,
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VDP_YCBCR_FORMAT_NV12,
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GST_MAKE_FOURCC ('N', 'V', '1', '2')
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},
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{
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VDP_CHROMA_TYPE_422,
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VDP_YCBCR_FORMAT_UYVY,
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GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y')
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},
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{
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VDP_CHROMA_TYPE_444,
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VDP_YCBCR_FORMAT_V8U8Y8A8,
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GST_MAKE_FOURCC ('A', 'Y', 'U', 'V')
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},
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{
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VDP_CHROMA_TYPE_444,
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VDP_YCBCR_FORMAT_Y8U8V8A8,
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GST_MAKE_FOURCC ('A', 'V', 'U', 'Y')
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},
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{
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VDP_CHROMA_TYPE_422,
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VDP_YCBCR_FORMAT_YUYV,
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GST_MAKE_FOURCC ('Y', 'U', 'Y', '2')
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},
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};
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GType gst_vdp_video_buffer_get_type (void);
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GstVdpVideoBuffer* gst_vdp_video_buffer_new (GstVdpDevice * device, VdpChromaType chroma_type, gint width, gint height);
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void gst_vdp_video_buffer_add_reference (GstVdpVideoBuffer *buffer, GstVdpVideoBuffer *buf);
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GstCaps *gst_vdp_video_buffer_get_caps (gboolean filter, VdpChromaType chroma_type);
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GstCaps *gst_vdp_video_buffer_get_allowed_yuv_caps (GstVdpDevice * device);
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GstCaps *gst_vdp_video_buffer_get_allowed_video_caps (GstVdpDevice * device);
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gboolean gst_vdp_video_buffer_parse_yuv_caps (GstCaps *yuv_caps, VdpChromaType *chroma_type, gint *width, gint *height);
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gboolean gst_vdp_video_buffer_calculate_size (guint32 fourcc, gint width, gint height, guint *size);
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gboolean gst_vdp_video_buffer_download (GstVdpVideoBuffer *inbuf, GstBuffer *outbuf, guint32 fourcc, gint width, gint height);
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gboolean gst_vdp_video_buffer_upload (GstVdpVideoBuffer *video_buf, GstBuffer *src_buf, guint fourcc, gint width, gint height);
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#define GST_VDP_VIDEO_CAPS \
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"video/x-vdpau-video, " \
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"chroma-type = (int)[0,2], " \
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"width = (int)[1,4096], " \
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"height = (int)[1,4096]"
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#endif
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