mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-09 05:38:58 +00:00
7fa4973f8a
Fix new internal video format API, based on GstVideoFormat, to not clobber with system symbols. So replace the gst_video_format_* prefix with gst_vaapi_video_format_ prefix, even if the format type remains GstVideoFormat.
347 lines
11 KiB
C
347 lines
11 KiB
C
/*
|
|
* video-format.h - Video format helpers for VA-API
|
|
*
|
|
* Copyright (C) 2010-2011 Splitted-Desktop Systems
|
|
* Copyright (C) 2011-2013 Intel Corporation
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; either version 2.1
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* SECTION:videoformat
|
|
* @short_description: Video format helpers for VA-API
|
|
*/
|
|
|
|
#include "sysdeps.h"
|
|
#include <gst/video/video.h>
|
|
#include "gstvaapicompat.h"
|
|
#include "gstvaapisurface.h"
|
|
#include "video-format.h"
|
|
|
|
typedef struct _GstVideoFormatMap GstVideoFormatMap;
|
|
struct _GstVideoFormatMap {
|
|
GstVideoFormat format;
|
|
GstVaapiChromaType chroma_type;
|
|
const char *caps_str;
|
|
VAImageFormat va_format;
|
|
};
|
|
|
|
#if GST_CHECK_VERSION(1,0,0)
|
|
# define GST_VIDEO_CAPS_MAKE_YUV(FORMAT) \
|
|
GST_VIDEO_CAPS_MAKE(#FORMAT)
|
|
# define GST_VIDEO_CAPS_MAKE_RGB(FORMAT) \
|
|
GST_VIDEO_CAPS_MAKE(#FORMAT)
|
|
#else
|
|
# define GST_VIDEO_CAPS_MAKE_YUV(FORMAT) \
|
|
GST_VIDEO_CAPS_YUV(#FORMAT)
|
|
# define GST_VIDEO_CAPS_MAKE_RGB(FORMAT) \
|
|
GST_VIDEO_CAPS_##FORMAT
|
|
#endif
|
|
|
|
#define DEF_YUV(FORMAT, FOURCC, ENDIAN, BPP, SUB) \
|
|
{ G_PASTE(GST_VIDEO_FORMAT_,FORMAT), \
|
|
G_PASTE(GST_VAAPI_CHROMA_TYPE_YUV,SUB), \
|
|
GST_VIDEO_CAPS_MAKE_YUV(FORMAT), \
|
|
{ VA_FOURCC FOURCC, VA_##ENDIAN##_FIRST, BPP, }, }
|
|
|
|
#define DEF_RGB(FORMAT, FOURCC, ENDIAN, BPP, DEPTH, R,G,B,A) \
|
|
{ G_PASTE(GST_VIDEO_FORMAT_,FORMAT), \
|
|
G_PASTE(GST_VAAPI_CHROMA_TYPE_RGB,BPP), \
|
|
GST_VIDEO_CAPS_MAKE_RGB(FORMAT), \
|
|
{ VA_FOURCC FOURCC, VA_##ENDIAN##_FIRST, BPP, DEPTH, R,G,B,A }, }
|
|
|
|
/* Image formats, listed in HW order preference */
|
|
static const GstVideoFormatMap gst_vaapi_video_formats[] = {
|
|
DEF_YUV(NV12, ('N','V','1','2'), LSB, 12, 420),
|
|
DEF_YUV(YV12, ('Y','V','1','2'), LSB, 12, 420),
|
|
DEF_YUV(I420, ('I','4','2','0'), LSB, 12, 420),
|
|
DEF_YUV(YUY2, ('Y','U','Y','2'), LSB, 16, 422),
|
|
DEF_YUV(UYVY, ('U','Y','V','Y'), LSB, 16, 422),
|
|
DEF_YUV(AYUV, ('A','Y','U','V'), LSB, 32, 444),
|
|
#if G_BYTE_ORDER == G_BIG_ENDIAN
|
|
DEF_RGB(ARGB, ('A','R','G','B'), MSB, 32,
|
|
32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000),
|
|
DEF_RGB(ABGR, ('A','B','G','R'), MSB, 32,
|
|
32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000),
|
|
DEF_RGB(xRGB, ('X','R','G','B'), MSB, 32,
|
|
24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000),
|
|
DEF_RGB(xBGR, ('X','B','G','R'), MSB, 32,
|
|
24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000),
|
|
#elif G_BYTE_ORDER == G_LITTLE_ENDIAN
|
|
DEF_RGB(BGRA, ('B','G','R','A'), LSB, 32,
|
|
32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000),
|
|
DEF_RGB(RGBA, ('R','G','B','A'), LSB, 32,
|
|
32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000),
|
|
DEF_RGB(BGRx, ('B','G','R','X'), LSB, 32,
|
|
24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000),
|
|
DEF_RGB(RGBx, ('R','G','B','X'), LSB, 32,
|
|
24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000),
|
|
#endif
|
|
DEF_YUV(GRAY8, ('Y','8','0','0'), LSB, 8, 400),
|
|
{ 0, }
|
|
};
|
|
|
|
#undef DEF_RGB
|
|
#undef DEF_YUV
|
|
|
|
static inline gboolean
|
|
va_format_is_rgb(const VAImageFormat *va_format)
|
|
{
|
|
return va_format->depth != 0;
|
|
}
|
|
|
|
static inline gboolean
|
|
va_format_is_yuv(const VAImageFormat *va_format)
|
|
{
|
|
return va_format->depth == 0;
|
|
}
|
|
|
|
static inline gboolean
|
|
va_format_is_same_rgb(const VAImageFormat *fmt1, const VAImageFormat *fmt2)
|
|
{
|
|
return (fmt1->byte_order == fmt2->byte_order &&
|
|
fmt1->red_mask == fmt2->red_mask &&
|
|
fmt1->green_mask == fmt2->green_mask &&
|
|
fmt1->blue_mask == fmt2->blue_mask &&
|
|
fmt1->alpha_mask == fmt2->alpha_mask);
|
|
}
|
|
|
|
static inline gboolean
|
|
va_format_is_same(const VAImageFormat *fmt1, const VAImageFormat *fmt2)
|
|
{
|
|
if (fmt1->fourcc != fmt2->fourcc)
|
|
return FALSE;
|
|
return va_format_is_rgb(fmt1) ? va_format_is_same_rgb(fmt1, fmt2) : TRUE;
|
|
}
|
|
|
|
static const GstVideoFormatMap *
|
|
get_map(GstVideoFormat format)
|
|
{
|
|
const GstVideoFormatMap *m;
|
|
|
|
for (m = gst_vaapi_video_formats; m->format; m++) {
|
|
if (m->format == format)
|
|
return m;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_format_is_rgb:
|
|
* @format: a #GstVideoFormat
|
|
*
|
|
* Checks whether the format is an RGB format.
|
|
*
|
|
* Return value: %TRUE if @format is RGB format
|
|
*/
|
|
gboolean
|
|
gst_vaapi_video_format_is_rgb(GstVideoFormat format)
|
|
{
|
|
const GstVideoFormatMap * const m = get_map(format);
|
|
|
|
return m && va_format_is_rgb(&m->va_format);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_format_is_yuv:
|
|
* @format: a #GstVideoFormat
|
|
*
|
|
* Checks whether the format is an YUV format.
|
|
*
|
|
* Return value: %TRUE if @format is YUV format
|
|
*/
|
|
gboolean
|
|
gst_vaapi_video_format_is_yuv(GstVideoFormat format)
|
|
{
|
|
const GstVideoFormatMap * const m = get_map(format);
|
|
|
|
return m && va_format_is_yuv(&m->va_format);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_format_from_caps:
|
|
* @caps: a #GstCaps
|
|
*
|
|
* Converts @caps into the corresponding #GstVideoFormat. If the
|
|
* image format cannot be represented by #GstVideoFormat, then
|
|
* zero is returned.
|
|
*
|
|
* Return value: the #GstVideoFormat describing the @caps
|
|
*/
|
|
GstVideoFormat
|
|
gst_vaapi_video_format_from_caps(GstCaps *caps)
|
|
{
|
|
GstStructure *structure;
|
|
|
|
if (!caps)
|
|
return 0;
|
|
|
|
structure = gst_caps_get_structure(caps, 0);
|
|
if (!structure)
|
|
return 0;
|
|
return gst_vaapi_video_format_from_structure(structure);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_format_from_structure:
|
|
* @structure: a #GstStructure
|
|
*
|
|
* Converts @structure into the corresponding #GstVideoFormat. If
|
|
* the image format cannot be represented by #GstVideoFormat,
|
|
* then zero is returned.
|
|
*
|
|
* Return value: the #GstVideoFormat describing the @structure
|
|
*/
|
|
GstVideoFormat
|
|
gst_vaapi_video_format_from_structure(GstStructure *structure)
|
|
{
|
|
#if GST_CHECK_VERSION(1,0,0)
|
|
const gchar * format = gst_structure_get_string(structure, "format");
|
|
if (format)
|
|
return gst_video_format_from_string(format);
|
|
return GST_VIDEO_FORMAT_UNKNOWN;
|
|
#else
|
|
const GstVideoFormatMap *m;
|
|
VAImageFormat *va_format, va_formats[2];
|
|
gint endian, rmask, gmask, bmask, amask = 0;
|
|
guint32 fourcc;
|
|
|
|
/* Check for YUV format */
|
|
if (gst_structure_get_fourcc(structure, "format", &fourcc))
|
|
return gst_video_format_from_fourcc(fourcc);
|
|
|
|
/* Check for RGB format */
|
|
gst_structure_get_int(structure, "endianness", &endian);
|
|
gst_structure_get_int(structure, "red_mask", &rmask);
|
|
gst_structure_get_int(structure, "green_mask", &gmask);
|
|
gst_structure_get_int(structure, "blue_mask", &bmask);
|
|
gst_structure_get_int(structure, "alpha_mask", &amask);
|
|
|
|
va_format = &va_formats[0];
|
|
va_format->byte_order = endian == G_BIG_ENDIAN ? VA_MSB_FIRST : VA_LSB_FIRST;
|
|
va_format->red_mask = rmask;
|
|
va_format->green_mask = gmask;
|
|
va_format->blue_mask = bmask;
|
|
va_format->alpha_mask = amask;
|
|
|
|
va_format = &va_formats[1];
|
|
va_format->byte_order = endian == G_BIG_ENDIAN ? VA_LSB_FIRST : VA_MSB_FIRST;
|
|
va_format->red_mask = GUINT32_SWAP_LE_BE(rmask);
|
|
va_format->green_mask = GUINT32_SWAP_LE_BE(gmask);
|
|
va_format->blue_mask = GUINT32_SWAP_LE_BE(bmask);
|
|
va_format->alpha_mask = GUINT32_SWAP_LE_BE(amask);
|
|
|
|
for (m = gst_vaapi_video_formats; m->format; m++) {
|
|
if (va_format_is_rgb(&m->va_format) &&
|
|
(va_format_is_same_rgb(&m->va_format, &va_formats[0]) ||
|
|
va_format_is_same_rgb(&m->va_format, &va_formats[1])))
|
|
return m->format;
|
|
}
|
|
return GST_VIDEO_FORMAT_UNKNOWN;
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_format_to_caps:
|
|
* @format: a #GstVideoFormat
|
|
*
|
|
* Converts a #GstVideoFormat into the corresponding #GstCaps. If
|
|
* no matching caps were found, %NULL is returned.
|
|
*
|
|
* Return value: the newly allocated #GstCaps, or %NULL if none was found
|
|
*/
|
|
GstCaps *
|
|
gst_vaapi_video_format_to_caps(GstVideoFormat format)
|
|
{
|
|
const GstVideoFormatMap * const m = get_map(format);
|
|
|
|
return m ? gst_caps_from_string(m->caps_str) : NULL;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_format_from_va_format:
|
|
* @va_format: a #VAImageFormat
|
|
*
|
|
* Converts a VA image format into the corresponding #GstVideoFormat.
|
|
* If the image format cannot be represented by #GstVideoFormat,
|
|
* then zero is returned.
|
|
*
|
|
* Return value: the #GstVideoFormat describing the @va_format
|
|
*/
|
|
GstVideoFormat
|
|
gst_vaapi_video_format_from_va_format(const VAImageFormat *va_format)
|
|
{
|
|
const GstVideoFormatMap *m;
|
|
|
|
for (m = gst_vaapi_video_formats; m->format; m++) {
|
|
if (va_format_is_same(&m->va_format, va_format))
|
|
return m->format;
|
|
}
|
|
return GST_VIDEO_FORMAT_UNKNOWN;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_format_to_va_format:
|
|
* @format: a #GstVideoFormat
|
|
*
|
|
* Converts a #GstVideoFormat into the corresponding VA image
|
|
* format. If no matching VA image format was found, %NULL is returned
|
|
* and this error must be reported to be fixed.
|
|
*
|
|
* Return value: the VA image format, or %NULL if none was found
|
|
*/
|
|
const VAImageFormat *
|
|
gst_vaapi_video_format_to_va_format(GstVideoFormat format)
|
|
{
|
|
const GstVideoFormatMap * const m = get_map(format);
|
|
|
|
return m ? &m->va_format : NULL;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_format_get_chroma_type:
|
|
* @format: a #GstVideoFormat
|
|
*
|
|
* Converts a #GstVideoFormat into the corresponding #GstVaapiChromaType
|
|
* format.
|
|
*
|
|
* Return value: the #GstVaapiChromaType format, or zero if no match
|
|
* was found.
|
|
*/
|
|
guint
|
|
gst_vaapi_video_format_get_chroma_type(GstVideoFormat format)
|
|
{
|
|
const GstVideoFormatMap * const m = get_map(format);
|
|
|
|
return m ? m->chroma_type : 0;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_format_get_score:
|
|
* @format: a #GstVideoFormat
|
|
*
|
|
* Determines how "native" is this @format. The lower is the returned
|
|
* score, the best format this is for the underlying hardware.
|
|
*
|
|
* Return value: the @format score, or %G_MAXUINT if none was found
|
|
*/
|
|
guint
|
|
gst_vaapi_video_format_get_score(GstVideoFormat format)
|
|
{
|
|
const GstVideoFormatMap * const m = get_map(format);
|
|
|
|
return m ? (m - &gst_vaapi_video_formats[0]) : G_MAXUINT;
|
|
}
|