mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-04 23:46:43 +00:00
267 lines
6.2 KiB
C
267 lines
6.2 KiB
C
/* GStreamer
|
|
*
|
|
* Copyright (C) 2016 Igalia
|
|
*
|
|
* Authors:
|
|
* Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
|
|
* Javier Martin <javiermartin@by.com.es>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <drm_fourcc.h>
|
|
|
|
#include "gstkmsutils.h"
|
|
|
|
/* *INDENT-OFF* */
|
|
static const struct
|
|
{
|
|
guint32 fourcc;
|
|
GstVideoFormat format;
|
|
} format_map[] = {
|
|
#define DEF_FMT(fourcc, fmt) \
|
|
{ DRM_FORMAT_##fourcc,GST_VIDEO_FORMAT_##fmt }
|
|
|
|
/* Keep sorted by decreasing quality, refer to GST_VIDEO_FORMATS_ALL order
|
|
* if unsure */
|
|
|
|
/* 32bits/p RGB with Alpha */
|
|
DEF_FMT (ARGB8888, BGRA),
|
|
DEF_FMT (ABGR8888, RGBA),
|
|
|
|
/* 16bits/c YUV 4:2:0 */
|
|
DEF_FMT (P016, P016_LE),
|
|
|
|
/* 16bits/c YUV 4:2:0 */
|
|
DEF_FMT (P010, P010_10LE),
|
|
|
|
/* YUV 4:4:4 */
|
|
DEF_FMT (NV24, NV24),
|
|
|
|
/* 32bits/p RGB opaque */
|
|
DEF_FMT (XRGB8888, BGRx),
|
|
DEF_FMT (XBGR8888, RGBx),
|
|
|
|
/* 24bits RGB opaque */
|
|
DEF_FMT (BGR888, RGB),
|
|
DEF_FMT (RGB888, BGR),
|
|
|
|
/* 8bits/c YUV 4:2:2 */
|
|
DEF_FMT (YUV422, Y42B),
|
|
DEF_FMT (NV61, NV61),
|
|
DEF_FMT (NV16, NV16),
|
|
DEF_FMT (UYVY, UYVY),
|
|
DEF_FMT (YVYU, YVYU),
|
|
DEF_FMT (YUYV, YUY2),
|
|
|
|
/* 8bits/c YUV 4:2:0 */
|
|
DEF_FMT (YUV420, I420),
|
|
DEF_FMT (YVU420, YV12),
|
|
DEF_FMT (NV21, NV21),
|
|
DEF_FMT (NV12, NV12),
|
|
|
|
/* 16bits/p RGB */
|
|
DEF_FMT (RGB565, RGB16),
|
|
DEF_FMT (BGR565, BGR16),
|
|
|
|
#undef DEF_FMT
|
|
};
|
|
/* *INDENT-ON* */
|
|
|
|
GstVideoFormat
|
|
gst_video_format_from_drm (guint32 drmfmt)
|
|
{
|
|
gint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (format_map); i++) {
|
|
if (format_map[i].fourcc == drmfmt)
|
|
return format_map[i].format;
|
|
}
|
|
|
|
return GST_VIDEO_FORMAT_UNKNOWN;
|
|
}
|
|
|
|
guint32
|
|
gst_drm_format_from_video (GstVideoFormat fmt)
|
|
{
|
|
gint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (format_map); i++) {
|
|
if (format_map[i].format == fmt)
|
|
return format_map[i].fourcc;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
guint32
|
|
gst_drm_bpp_from_drm (guint32 drmfmt)
|
|
{
|
|
guint32 bpp;
|
|
|
|
switch (drmfmt) {
|
|
case DRM_FORMAT_YUV420:
|
|
case DRM_FORMAT_YVU420:
|
|
case DRM_FORMAT_YUV422:
|
|
case DRM_FORMAT_NV12:
|
|
case DRM_FORMAT_NV21:
|
|
case DRM_FORMAT_NV16:
|
|
case DRM_FORMAT_NV61:
|
|
case DRM_FORMAT_NV24:
|
|
bpp = 8;
|
|
break;
|
|
case DRM_FORMAT_P010:
|
|
bpp = 10;
|
|
break;
|
|
case DRM_FORMAT_UYVY:
|
|
case DRM_FORMAT_YUYV:
|
|
case DRM_FORMAT_YVYU:
|
|
case DRM_FORMAT_P016:
|
|
case DRM_FORMAT_RGB565:
|
|
case DRM_FORMAT_BGR565:
|
|
bpp = 16;
|
|
break;
|
|
case DRM_FORMAT_BGR888:
|
|
case DRM_FORMAT_RGB888:
|
|
bpp = 24;
|
|
break;
|
|
default:
|
|
bpp = 32;
|
|
break;
|
|
}
|
|
|
|
return bpp;
|
|
}
|
|
|
|
guint32
|
|
gst_drm_height_from_drm (guint32 drmfmt, guint32 height)
|
|
{
|
|
guint32 ret;
|
|
|
|
switch (drmfmt) {
|
|
case DRM_FORMAT_YUV420:
|
|
case DRM_FORMAT_YVU420:
|
|
case DRM_FORMAT_YUV422:
|
|
case DRM_FORMAT_NV12:
|
|
case DRM_FORMAT_NV21:
|
|
case DRM_FORMAT_P010:
|
|
case DRM_FORMAT_P016:
|
|
ret = height * 3 / 2;
|
|
break;
|
|
case DRM_FORMAT_NV16:
|
|
case DRM_FORMAT_NV61:
|
|
ret = height * 2;
|
|
break;
|
|
case DRM_FORMAT_NV24:
|
|
ret = height * 3;
|
|
break;
|
|
default:
|
|
ret = height;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static GstStructure *
|
|
gst_video_format_to_structure (GstVideoFormat format)
|
|
{
|
|
GstStructure *structure;
|
|
|
|
structure = NULL;
|
|
if (format != GST_VIDEO_FORMAT_UNKNOWN)
|
|
structure = gst_structure_new ("video/x-raw", "format", G_TYPE_STRING,
|
|
gst_video_format_to_string (format), NULL);
|
|
|
|
return structure;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_kms_sink_caps_template_fill (void)
|
|
{
|
|
gint i;
|
|
GstCaps *caps;
|
|
GstStructure *template;
|
|
|
|
caps = gst_caps_new_empty ();
|
|
for (i = 0; i < G_N_ELEMENTS (format_map); i++) {
|
|
template = gst_video_format_to_structure (format_map[i].format);
|
|
gst_structure_set (template,
|
|
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
|
|
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
|
|
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
|
|
gst_caps_append_structure (caps, template);
|
|
}
|
|
return gst_caps_simplify (caps);
|
|
}
|
|
|
|
static const gint device_par_map[][2] = {
|
|
{1, 1}, /* regular screen */
|
|
{16, 15}, /* PAL TV */
|
|
{11, 10}, /* 525 line Rec.601 video */
|
|
{54, 59}, /* 625 line Rec.601 video */
|
|
{64, 45}, /* 1280x1024 on 16:9 display */
|
|
{5, 3}, /* 1280x1024 on 4:3 display */
|
|
{4, 3} /* 800x600 on 16:9 display */
|
|
};
|
|
|
|
#define DELTA(ratio, idx, w) \
|
|
(ABS(ratio - ((gdouble)device_par_map[idx][w] / device_par_map[idx][!(w)])))
|
|
|
|
void
|
|
gst_video_calculate_device_ratio (guint dev_width, guint dev_height,
|
|
guint dev_width_mm, guint dev_height_mm,
|
|
guint * dpy_par_n, guint * dpy_par_d)
|
|
{
|
|
gdouble ratio, delta, cur_delta;
|
|
gint i, j, index, windex;
|
|
|
|
/* First, calculate the "real" ratio based on the X values; which is
|
|
* the "physical" w/h divided by the w/h in pixels of the display */
|
|
if (dev_width == 0 || dev_height == 0
|
|
|| dev_width_mm == 0 || dev_height_mm == 0)
|
|
ratio = 1.0;
|
|
else
|
|
ratio = (gdouble) (dev_width_mm * dev_height) / (dev_height_mm * dev_width);
|
|
|
|
/* Now, find the one from device_par_map[][2] with the lowest delta
|
|
* to the real one */
|
|
delta = DELTA (ratio, 0, 0);
|
|
index = 0;
|
|
windex = 0;
|
|
|
|
for (i = 1; i < G_N_ELEMENTS (device_par_map); i++) {
|
|
for (j = 0; j < 2; j++) {
|
|
cur_delta = DELTA (ratio, i, j);
|
|
if (cur_delta < delta) {
|
|
index = i;
|
|
windex = j;
|
|
delta = cur_delta;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (dpy_par_n)
|
|
*dpy_par_n = device_par_map[index][windex];
|
|
|
|
if (dpy_par_d)
|
|
*dpy_par_d = device_par_map[index][windex ^ 1];
|
|
}
|