mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 10:41:04 +00:00
128 lines
3.6 KiB
C
128 lines
3.6 KiB
C
/*
|
|
* gstvaapiutils.c - VA-API utilities
|
|
*
|
|
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "gstvaapiutils.h"
|
|
#include "gstvaapisurface.h"
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
|
|
/* Debug output */
|
|
void vaapi_dprintf(const char *format, ...)
|
|
{
|
|
va_list args;
|
|
va_start(args, format);
|
|
fprintf(stdout, "[GstVaapi] ");
|
|
vfprintf(stdout, format, args);
|
|
va_end(args);
|
|
}
|
|
|
|
/* Check VA status for success or print out an error */
|
|
int vaapi_check_status(VAStatus status, const char *msg)
|
|
{
|
|
if (status != VA_STATUS_SUCCESS) {
|
|
vaapi_dprintf("%s: %s\n", msg, vaErrorStr(status));
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* Return a string representation of a FOURCC */
|
|
const char *string_of_FOURCC(guint32 fourcc)
|
|
{
|
|
static int buf;
|
|
static char str[2][5]; // XXX: 2 buffers should be enough for most purposes
|
|
|
|
buf ^= 1;
|
|
str[buf][0] = fourcc;
|
|
str[buf][1] = fourcc >> 8;
|
|
str[buf][2] = fourcc >> 16;
|
|
str[buf][3] = fourcc >> 24;
|
|
str[buf][4] = '\0';
|
|
return str[buf];
|
|
}
|
|
|
|
/* Return a string representation of a VAProfile */
|
|
const char *string_of_VAProfile(VAProfile profile)
|
|
{
|
|
switch (profile) {
|
|
#define PROFILE(profile) \
|
|
case VAProfile##profile: return "VAProfile" #profile
|
|
PROFILE(MPEG2Simple);
|
|
PROFILE(MPEG2Main);
|
|
PROFILE(MPEG4Simple);
|
|
PROFILE(MPEG4AdvancedSimple);
|
|
PROFILE(MPEG4Main);
|
|
PROFILE(H264Baseline);
|
|
PROFILE(H264Main);
|
|
PROFILE(H264High);
|
|
PROFILE(VC1Simple);
|
|
PROFILE(VC1Main);
|
|
PROFILE(VC1Advanced);
|
|
#undef PROFILE
|
|
default: break;
|
|
}
|
|
return "<unknown>";
|
|
}
|
|
|
|
/* Return a string representation of a VAEntrypoint */
|
|
const char *string_of_VAEntrypoint(VAEntrypoint entrypoint)
|
|
{
|
|
switch (entrypoint) {
|
|
#define ENTRYPOINT(entrypoint) \
|
|
case VAEntrypoint##entrypoint: return "VAEntrypoint" #entrypoint
|
|
ENTRYPOINT(VLD);
|
|
ENTRYPOINT(IZZ);
|
|
ENTRYPOINT(IDCT);
|
|
ENTRYPOINT(MoComp);
|
|
ENTRYPOINT(Deblocking);
|
|
#undef ENTRYPOINT
|
|
default: break;
|
|
}
|
|
return "<unknown>";
|
|
}
|
|
|
|
/**
|
|
* get_PutSurface_flags_from_GstVaapiSurfaceRenderFlags:
|
|
*
|
|
* Converts #GstVaapiSurfaceRenderFlags to flags suitable for
|
|
* vaPutSurface().
|
|
*/
|
|
guint get_PutSurface_flags_from_GstVaapiSurfaceRenderFlags(guint flags)
|
|
{
|
|
const guint va_top_bottom_fields = (VA_TOP_FIELD|VA_BOTTOM_FIELD);
|
|
guint va_flags = 0;
|
|
|
|
if (flags & GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD)
|
|
va_flags |= VA_TOP_FIELD;
|
|
if (flags & GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD)
|
|
va_flags |= VA_BOTTOM_FIELD;
|
|
if ((va_flags & va_top_bottom_fields) == va_top_bottom_fields) {
|
|
va_flags &= ~va_top_bottom_fields;
|
|
va_flags |= VA_FRAME_PICTURE;
|
|
}
|
|
|
|
if (flags & GST_VAAPI_COLOR_STANDARD_ITUR_BT_709)
|
|
va_flags |= VA_SRC_BT709;
|
|
else if (flags & GST_VAAPI_COLOR_STANDARD_ITUR_BT_601)
|
|
va_flags |= VA_SRC_BT601;
|
|
|
|
return va_flags;
|
|
}
|