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/*
* This file is part of mpv.
*
* mpv 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.
*
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stddef.h>
#include <assert.h>
#include <libavcodec/avcodec.h>
#include <libavutil/common.h>
#include <libavutil/hwcontext.h>
#include <libavutil/hwcontext_vaapi.h>
#include "config.h"
#include "lavc.h"
#include "common/common.h"
#include "common/av_common.h"
#include "video/fmt-conversion.h"
#include "video/vaapi.h"
#include "video/mp_image_pool.h"
#include "video/hwdec.h"
#include "video/filter/vf.h"
struct priv {
struct mp_log *log;
struct mp_vaapi_ctx *ctx;
};
static void uninit(struct lavc_ctx *ctx)
{
struct priv *p = ctx->hwdec_priv;
if (!p)
return;
va_destroy(p->ctx);
talloc_free(p);
ctx->hwdec_priv = NULL;
ctx->hwdec_dev = NULL;
}
static int init(struct lavc_ctx *ctx, bool direct)
{
struct priv *p = talloc_ptrtype(NULL, p);
*p = (struct priv) {
.log = mp_log_new(p, ctx->log, "vaapi"),
};
if (direct) {
ctx->hwdec_dev = hwdec_devices_get(ctx->hwdec_devs, HWDEC_VAAPI);
} else {
p->ctx = va_create_standalone(ctx->log, false);
if (!p->ctx) {
talloc_free(p);
return -1;
}
ctx->hwdec_dev = &p->ctx->hwctx;
}
ctx->hwdec_priv = p;
if (!ctx->hwdec_dev->av_device_ref)
return -1;
return 0;
}
static int init_direct(struct lavc_ctx *ctx)
{
return init(ctx, true);
}
static int probe(struct lavc_ctx *ctx, struct vd_lavc_hwdec *hwdec,
const char *codec)
{
if (!hwdec_devices_load(ctx->hwdec_devs, HWDEC_VAAPI))
return HWDEC_ERR_NO_CTX;
return 0;
}
static int probe_copy(struct lavc_ctx *ctx, struct vd_lavc_hwdec *hwdec,
const char *codec)
{
struct mp_vaapi_ctx *dummy = va_create_standalone(ctx->log, true);
if (!dummy)
return HWDEC_ERR_NO_CTX;
bool emulated = va_guess_if_emulated(dummy);
va_destroy(dummy);
if (emulated)
return HWDEC_ERR_EMULATED;
return 0;
}
static int init_copy(struct lavc_ctx *ctx)
{
return init(ctx, false);
}
const struct vd_lavc_hwdec mp_vd_lavc_vaapi = {
.type = HWDEC_VAAPI,
.image_format = IMGFMT_VAAPI,
.probe = probe,
.init = init_direct,
.uninit = uninit,
.generic_hwaccel = true,
.static_pool = true,
.pixfmt_map = (const enum AVPixelFormat[][2]) {
{AV_PIX_FMT_YUV420P10, AV_PIX_FMT_P010},
{AV_PIX_FMT_YUV420P, AV_PIX_FMT_NV12},
{AV_PIX_FMT_NONE}
},
};
const struct vd_lavc_hwdec mp_vd_lavc_vaapi_copy = {
.type = HWDEC_VAAPI_COPY,
.copying = true,
.image_format = IMGFMT_VAAPI,
.probe = probe_copy,
.init = init_copy,
.uninit = uninit,
.generic_hwaccel = true,
.static_pool = true,
.pixfmt_map = (const enum AVPixelFormat[][2]) {
{AV_PIX_FMT_YUV420P10, AV_PIX_FMT_P010},
{AV_PIX_FMT_YUV420P, AV_PIX_FMT_NV12},
{AV_PIX_FMT_NONE}
},
};
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