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d38f0bbb1d
Can not find a suitable chrome_type for this GST_VIDEO_FORMAT_RGB packed 24 format. Just use GST_VAAPI_CHROMA_TYPE_RGB32 as its chrome type. This kind of surface will just be created by new API with fourcc and no old style chrome based creation is available. fixes: #151
341 lines
10 KiB
C
341 lines
10 KiB
C
/*
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* video-format.h - Video format helpers for VA-API
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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/**
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* SECTION:videoformat
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* @short_description: Video format helpers for VA-API
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*/
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#include "sysdeps.h"
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#include "gstvaapicompat.h"
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#include "gstvaapisurface.h"
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#include "video-format.h"
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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# define VIDEO_VA_ENDIANESS VA_MSB_FIRST
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#elif G_BYTE_ORDER == G_LITTLE_ENDIAN
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# define VIDEO_VA_ENDIANESS VA_LSB_FIRST
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#endif
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typedef struct
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{
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GstVideoFormat format;
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GstVaapiChromaType chroma_type;
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VAImageFormat va_format;
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} GstVideoFormatMap;
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#define DEF_YUV(FORMAT, FOURCC, BPP, SUB) \
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{ G_PASTE(GST_VIDEO_FORMAT_,FORMAT), \
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G_PASTE(GST_VAAPI_CHROMA_TYPE_YUV,SUB), \
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{ VA_FOURCC FOURCC, VIDEO_VA_ENDIANESS, BPP, }, }
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#define DEF_RGB(FORMAT, FOURCC, BPP, DEPTH, R,G,B,A) \
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{ G_PASTE(GST_VIDEO_FORMAT_,FORMAT), \
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G_PASTE(GST_VAAPI_CHROMA_TYPE_RGB,BPP), \
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{ VA_FOURCC FOURCC, VIDEO_VA_ENDIANESS, BPP, DEPTH, R,G,B,A }, }
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/* Image formats, listed in HW order preference */
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/* *INDENT-OFF* */
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static const GstVideoFormatMap gst_vaapi_video_formats[] = {
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/* YUV formats */
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DEF_YUV (NV12, ('N', 'V', '1', '2'), 12, 420),
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DEF_YUV (YV12, ('Y', 'V', '1', '2'), 12, 420),
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DEF_YUV (I420, ('I', '4', '2', '0'), 12, 420),
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DEF_YUV (YUY2, ('Y', 'U', 'Y', '2'), 16, 422),
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DEF_YUV (UYVY, ('U', 'Y', 'V', 'Y'), 16, 422),
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DEF_YUV (Y210, ('Y', '2', '1', '0'), 32, 422_10BPP),
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DEF_YUV (Y410, ('Y', '4', '1', '0'), 32, 444_10BPP),
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DEF_YUV (AYUV, ('A', 'Y', 'U', 'V'), 32, 444),
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DEF_YUV (GRAY8, ('Y', '8', '0', '0'), 8, 400),
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DEF_YUV (P010_10LE, ('P', '0', '1', '0'), 24, 420_10BPP),
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/* RGB formats */
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DEF_RGB (ARGB, ('A', 'R', 'G', 'B'), 32,
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32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000),
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DEF_RGB (ABGR, ('A', 'B', 'G', 'R'), 32,
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32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000),
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DEF_RGB (xRGB, ('X', 'R', 'G', 'B'), 32,
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24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000),
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DEF_RGB (xBGR, ('X', 'B', 'G', 'R'), 32,
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24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000),
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DEF_RGB (BGRA, ('B', 'G', 'R', 'A'), 32,
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32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000),
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DEF_RGB (RGBA, ('R', 'G', 'B', 'A'), 32,
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32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000),
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DEF_RGB (BGRx, ('B', 'G', 'R', 'X'), 32,
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24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000),
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DEF_RGB (RGBx, ('R', 'G', 'B', 'X'), 32,
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24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000),
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DEF_RGB (RGB16, ('R', 'G', '1', '6'), 16,
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16, 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000),
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DEF_RGB (RGB, ('R', 'G', '2', '4'), 32,
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24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000),
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{0,}
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};
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/* *INDENT-ON* */
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#undef DEF_RGB
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#undef DEF_YUV
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static inline gboolean
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va_format_is_rgb (const VAImageFormat * va_format)
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{
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return va_format->depth != 0;
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}
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static inline gboolean
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va_format_is_yuv (const VAImageFormat * va_format)
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{
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return va_format->depth == 0;
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}
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static inline gboolean
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va_format_is_same_rgb (const VAImageFormat * fmt1, const VAImageFormat * fmt2)
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{
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return (fmt1->byte_order == fmt2->byte_order &&
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fmt1->red_mask == fmt2->red_mask &&
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fmt1->green_mask == fmt2->green_mask &&
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fmt1->blue_mask == fmt2->blue_mask &&
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fmt1->alpha_mask == fmt2->alpha_mask);
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}
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static inline gboolean
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va_format_is_same (const VAImageFormat * fmt1, const VAImageFormat * fmt2)
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{
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if (fmt1->fourcc != fmt2->fourcc)
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return FALSE;
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return va_format_is_rgb (fmt1) ? va_format_is_same_rgb (fmt1, fmt2) : TRUE;
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}
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static const GstVideoFormatMap *
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get_map (GstVideoFormat format)
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{
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const GstVideoFormatMap *m;
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for (m = gst_vaapi_video_formats; m->format; m++) {
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if (m->format == format)
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return m;
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}
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return NULL;
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}
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/**
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* gst_vaapi_video_format_to_string:
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* @format: a #GstVideoFormat
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*
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* Returns the string representation of the @format argument.
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*
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* Return value: string representation of @format, or %NULL if unknown
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* or unsupported.
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*/
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const gchar *
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gst_vaapi_video_format_to_string (GstVideoFormat format)
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{
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return gst_video_format_to_string (format);
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}
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/**
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* gst_vaapi_video_format_is_rgb:
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* @format: a #GstVideoFormat
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*
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* Checks whether the format is an RGB format.
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*
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* Return value: %TRUE if @format is RGB format
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*/
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gboolean
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gst_vaapi_video_format_is_rgb (GstVideoFormat format)
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{
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const GstVideoFormatMap *const m = get_map (format);
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return m && va_format_is_rgb (&m->va_format);
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}
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/**
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* gst_vaapi_video_format_is_yuv:
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* @format: a #GstVideoFormat
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*
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* Checks whether the format is an YUV format.
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*
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* Return value: %TRUE if @format is YUV format
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*/
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gboolean
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gst_vaapi_video_format_is_yuv (GstVideoFormat format)
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{
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const GstVideoFormatMap *const m = get_map (format);
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return m && va_format_is_yuv (&m->va_format);
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}
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/**
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* gst_vaapi_video_format_from_va_fourcc:
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* @fourcc: a FOURCC value
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*
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* Converts a VA fourcc into the corresponding #GstVideoFormat. If no
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* matching fourcc was found, then zero is returned.
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*
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* Return value: the #GstVideoFormat corresponding to the VA @fourcc
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*/
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GstVideoFormat
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gst_vaapi_video_format_from_va_fourcc (guint32 fourcc)
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{
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const GstVideoFormatMap *m;
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/* Note: VA fourcc values are now standardized and shall represent
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a unique format. The associated VAImageFormat is just a hint to
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determine RGBA component ordering */
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for (m = gst_vaapi_video_formats; m->format; m++) {
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if (m->va_format.fourcc == fourcc)
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return m->format;
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}
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return GST_VIDEO_FORMAT_UNKNOWN;
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}
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/**
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* gst_vaapi_video_format_from_va_format:
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* @va_format: a #VAImageFormat
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*
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* Converts a VA image format into the corresponding #GstVideoFormat.
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* If the image format cannot be represented by #GstVideoFormat,
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* then zero is returned.
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*
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* Return value: the #GstVideoFormat describing the @va_format
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*/
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GstVideoFormat
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gst_vaapi_video_format_from_va_format (const VAImageFormat * va_format)
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{
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const GstVideoFormatMap *m;
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for (m = gst_vaapi_video_formats; m->format; m++) {
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if (va_format_is_same (&m->va_format, va_format))
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return m->format;
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}
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return GST_VIDEO_FORMAT_UNKNOWN;
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}
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/**
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* gst_vaapi_video_format_to_va_format:
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* @format: a #GstVideoFormat
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*
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* Converts a #GstVideoFormat into the corresponding VA image
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* format. If no matching VA image format was found, %NULL is returned
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* and this error must be reported to be fixed.
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*
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* Return value: the VA image format, or %NULL if none was found
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*/
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const VAImageFormat *
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gst_vaapi_video_format_to_va_format (GstVideoFormat format)
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{
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const GstVideoFormatMap *const m = get_map (format);
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return m ? &m->va_format : NULL;
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}
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/**
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* gst_vaapi_video_format_get_chroma_type:
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* @format: a #GstVideoFormat
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*
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* Converts a #GstVideoFormat into the corresponding #GstVaapiChromaType
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* format.
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*
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* Return value: the #GstVaapiChromaType format, or zero if no match
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* was found.
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*/
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guint
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gst_vaapi_video_format_get_chroma_type (GstVideoFormat format)
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{
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const GstVideoFormatMap *const m = get_map (format);
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return m ? m->chroma_type : 0;
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}
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/**
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* gst_vaapi_video_format_get_score:
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* @format: a #GstVideoFormat
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*
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* Determines how "native" is this @format. The lower is the returned
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* score, the best format this is for the underlying hardware.
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*
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* Return value: the @format score, or %G_MAXUINT if none was found
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*/
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guint
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gst_vaapi_video_format_get_score (GstVideoFormat format)
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{
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const GstVideoFormatMap *const m = get_map (format);
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return m ? (m - &gst_vaapi_video_formats[0]) : G_MAXUINT;
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}
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/**
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* gst_vaapi_video_format_from_chroma:
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* @chroma_type: a #GstVaapiChromaType
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*
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* Returns the "preferred" pixel format that matches with
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* @chroma_type.
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*
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* Returns: the preferred pixel format for @chroma_type
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**/
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GstVideoFormat
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gst_vaapi_video_format_from_chroma (guint chroma_type)
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{
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switch (chroma_type) {
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case GST_VAAPI_CHROMA_TYPE_YUV422:
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return GST_VIDEO_FORMAT_YUY2;
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case GST_VAAPI_CHROMA_TYPE_YUV400:
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return GST_VIDEO_FORMAT_GRAY8;
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case GST_VAAPI_CHROMA_TYPE_YUV420:
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case GST_VAAPI_CHROMA_TYPE_RGB32: /* GstVideoGLTextureUploadMeta */
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return GST_VIDEO_FORMAT_NV12;
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case GST_VAAPI_CHROMA_TYPE_YUV420_10BPP:
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return GST_VIDEO_FORMAT_P010_10LE;
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case GST_VAAPI_CHROMA_TYPE_YUV444:
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return GST_VIDEO_FORMAT_AYUV;
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case GST_VAAPI_CHROMA_TYPE_YUV422_10BPP:
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return GST_VIDEO_FORMAT_Y210;
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case GST_VAAPI_CHROMA_TYPE_YUV444_10BPP:
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return GST_VIDEO_FORMAT_Y410;
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default:
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return GST_VIDEO_FORMAT_UNKNOWN;
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}
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}
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/**
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* gst_vaapi_video_format_get_best_native:
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* @format: a #GstVideoFormat
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*
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* Returns the best "native" pixel format that matches a particular
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* color-space.
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*
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* Returns: the #GstVideoFormat with the corresponding best native
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* format for #GstVaapiSurface
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**/
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GstVideoFormat
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gst_vaapi_video_format_get_best_native (GstVideoFormat format)
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{
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GstVaapiChromaType chroma_type;
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if (format == GST_VIDEO_FORMAT_ENCODED)
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return GST_VIDEO_FORMAT_NV12;
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chroma_type = gst_vaapi_video_format_get_chroma_type (format);
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return gst_vaapi_video_format_from_chroma (chroma_type);
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}
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