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/*
* gstvaapiutils.c - VA-API utilities
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Copyright (C) 2011-2012 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
*/
#include "sysdeps.h"
#include "gstvaapicompat.h"
#include "gstvaapiutils.h"
#include "gstvaapisurface.h"
#include <stdio.h>
#include <stdarg.h>
#define DEBUG 1
#include "gstvaapidebug.h"
#define CONCAT(a, b) CONCAT_(a, b)
#define CONCAT_(a, b) a##b
#define STRINGIFY(x) STRINGIFY_(x)
#define STRINGIFY_(x) #x
#define STRCASEP(p, x) STRCASE(CONCAT(p, x))
#define STRCASE(x) case x: return STRINGIFY(x)
/* Check VA status for success or print out an error */
gboolean
vaapi_check_status(VAStatus status, const char *msg)
{
if (status != VA_STATUS_SUCCESS) {
GST_DEBUG("%s: %s", msg, vaErrorStr(status));
return FALSE;
}
return TRUE;
}
/* Maps VA buffer */
void *
vaapi_map_buffer(VADisplay dpy, VABufferID buf_id)
{
VAStatus status;
void *data = NULL;
status = vaMapBuffer(dpy, buf_id, &data);
if (!vaapi_check_status(status, "vaMapBuffer()"))
return NULL;
return data;
}
/* Unmaps VA buffer */
void
vaapi_unmap_buffer(VADisplay dpy, VABufferID buf_id, void **pbuf)
{
VAStatus status;
if (pbuf)
*pbuf = NULL;
status = vaUnmapBuffer(dpy, buf_id);
if (!vaapi_check_status(status, "vaUnmapBuffer()"))
return;
}
/* Creates and maps VA buffer */
gboolean
vaapi_create_buffer(
VADisplay dpy,
VAContextID ctx,
int type,
unsigned int size,
gconstpointer buf,
VABufferID *buf_id_ptr,
gpointer *mapped_data
)
{
VABufferID buf_id;
VAStatus status;
gpointer data = (gpointer)buf;
status = vaCreateBuffer(dpy, ctx, type, size, 1, data, &buf_id);
if (!vaapi_check_status(status, "vaCreateBuffer()"))
return FALSE;
if (mapped_data) {
data = vaapi_map_buffer(dpy, buf_id);
if (!data)
goto error;
*mapped_data = data;
}
*buf_id_ptr = buf_id;
return TRUE;
error:
vaapi_destroy_buffer(dpy, &buf_id);
return FALSE;
}
/* Destroy VA buffer */
void
vaapi_destroy_buffer(VADisplay dpy, VABufferID *buf_id_ptr)
{
if (!buf_id_ptr || *buf_id_ptr == VA_INVALID_ID)
return;
vaDestroyBuffer(dpy, *buf_id_ptr);
*buf_id_ptr = VA_INVALID_ID;
}
/* Return a string representation of a VAProfile */
const char *string_of_VAProfile(VAProfile profile)
{
switch (profile) {
#define MAP(profile) \
STRCASEP(VAProfile, profile)
MAP(MPEG2Simple);
MAP(MPEG2Main);
MAP(MPEG4Simple);
MAP(MPEG4AdvancedSimple);
MAP(MPEG4Main);
#if VA_CHECK_VERSION(0,32,0)
MAP(JPEGBaseline);
MAP(H263Baseline);
MAP(H264ConstrainedBaseline);
#endif
MAP(H264Baseline);
MAP(H264Main);
MAP(H264High);
MAP(VC1Simple);
MAP(VC1Main);
MAP(VC1Advanced);
#undef MAP
default: break;
}
return "<unknown>";
}
/* Return a string representation of a VAEntrypoint */
const char *string_of_VAEntrypoint(VAEntrypoint entrypoint)
{
switch (entrypoint) {
#define MAP(entrypoint) \
STRCASEP(VAEntrypoint, entrypoint)
MAP(VLD);
MAP(IZZ);
MAP(IDCT);
MAP(MoComp);
MAP(Deblocking);
#undef MAP
default: break;
}
return "<unknown>";
}
/**
* from_GstVaapiSurfaceRenderFlags:
* @flags: the #GstVaapiSurfaceRenderFlags
*
* Converts #GstVaapiSurfaceRenderFlags to flags suitable for
* vaPutSurface().
*/
guint
from_GstVaapiSurfaceRenderFlags(guint flags)
{
guint va_fields = 0, va_csc = 0;
if (flags & GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD)
va_fields |= VA_TOP_FIELD;
if (flags & GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD)
va_fields |= VA_BOTTOM_FIELD;
if ((va_fields ^ (VA_TOP_FIELD|VA_BOTTOM_FIELD)) == 0)
va_fields = VA_FRAME_PICTURE;
#ifdef VA_SRC_BT601
if (flags & GST_VAAPI_COLOR_STANDARD_ITUR_BT_601)
va_csc = VA_SRC_BT601;
#endif
#ifdef VA_SRC_BT709
if (flags & GST_VAAPI_COLOR_STANDARD_ITUR_BT_709)
va_csc = VA_SRC_BT709;
#endif
return va_fields|va_csc;
}
/**
* to_GstVaapiSurfaceStatus:
* @flags: the #GstVaapiSurfaceStatus flags to translate
*
* Converts vaQuerySurfaceStatus() @flags to #GstVaapiSurfaceStatus
* flags.
*
* Return value: the #GstVaapiSurfaceStatus flags
*/
guint
to_GstVaapiSurfaceStatus(guint va_flags)
{
guint flags;
const guint va_flags_mask = (VASurfaceReady|
VASurfaceRendering|
VASurfaceDisplaying);
/* Check for core status */
switch (va_flags & va_flags_mask) {
case VASurfaceReady:
flags = GST_VAAPI_SURFACE_STATUS_IDLE;
break;
case VASurfaceRendering:
flags = GST_VAAPI_SURFACE_STATUS_RENDERING;
break;
case VASurfaceDisplaying:
flags = GST_VAAPI_SURFACE_STATUS_DISPLAYING;
break;
default:
flags = 0;
break;
}
/* Check for encoder status */
#if VA_CHECK_VERSION(0,30,0)
if (va_flags & VASurfaceSkipped)
flags |= GST_VAAPI_SURFACE_STATUS_SKIPPED;
#endif
return flags;
}
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