mirror of https://github.com/mpv-player/mpv
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*
|
|
* 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 <libavcodec/avcodec.h>
|
|
#include <libavcodec/vdpau.h>
|
|
#include <libavutil/common.h>
|
|
|
|
#include "lavc.h"
|
|
#include "common/common.h"
|
|
#include "video/vdpau.h"
|
|
#include "video/hwdec.h"
|
|
|
|
struct priv {
|
|
struct mp_log *log;
|
|
struct mp_vdpau_ctx *mpvdp;
|
|
uint64_t preemption_counter;
|
|
};
|
|
|
|
static int init_decoder(struct lavc_ctx *ctx, int w, int h)
|
|
{
|
|
struct priv *p = ctx->hwdec_priv;
|
|
|
|
// During preemption, pretend everything is ok.
|
|
if (mp_vdpau_handle_preemption(p->mpvdp, &p->preemption_counter) < 0)
|
|
return 0;
|
|
|
|
return av_vdpau_bind_context(ctx->avctx, p->mpvdp->vdp_device,
|
|
p->mpvdp->get_proc_address,
|
|
AV_HWACCEL_FLAG_IGNORE_LEVEL |
|
|
AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH);
|
|
}
|
|
|
|
static struct mp_image *allocate_image(struct lavc_ctx *ctx, int w, int h)
|
|
{
|
|
struct priv *p = ctx->hwdec_priv;
|
|
|
|
// In case of preemption, reinit the decoder. Setting hwdec_request_reinit
|
|
// will cause init_decoder() to be called again.
|
|
if (mp_vdpau_handle_preemption(p->mpvdp, &p->preemption_counter) == 0)
|
|
ctx->hwdec_request_reinit = true;
|
|
|
|
VdpChromaType chroma = 0;
|
|
uint32_t s_w = w, s_h = h;
|
|
if (av_vdpau_get_surface_parameters(ctx->avctx, &chroma, &s_w, &s_h) < 0)
|
|
return NULL;
|
|
|
|
return mp_vdpau_get_video_surface(p->mpvdp, chroma, s_w, s_h);
|
|
}
|
|
|
|
static void uninit(struct lavc_ctx *ctx)
|
|
{
|
|
struct priv *p = ctx->hwdec_priv;
|
|
|
|
talloc_free(p);
|
|
|
|
av_freep(&ctx->avctx->hwaccel_context);
|
|
}
|
|
|
|
static int init(struct lavc_ctx *ctx)
|
|
{
|
|
struct priv *p = talloc_ptrtype(NULL, p);
|
|
*p = (struct priv) {
|
|
.log = mp_log_new(p, ctx->log, "vdpau"),
|
|
.mpvdp = ctx->hwdec_info->hwctx->vdpau_ctx,
|
|
};
|
|
ctx->hwdec_priv = p;
|
|
|
|
if (mp_vdpau_handle_preemption(p->mpvdp, &p->preemption_counter) < 1)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int probe(struct vd_lavc_hwdec *hwdec, struct mp_hwdec_info *info,
|
|
const char *decoder)
|
|
{
|
|
hwdec_request_api(info, "vdpau");
|
|
if (!info || !info->hwctx || !info->hwctx->vdpau_ctx)
|
|
return HWDEC_ERR_NO_CTX;
|
|
if (mp_vdpau_guess_if_emulated(info->hwctx->vdpau_ctx))
|
|
return HWDEC_ERR_EMULATED;
|
|
return 0;
|
|
}
|
|
|
|
const struct vd_lavc_hwdec mp_vd_lavc_vdpau = {
|
|
.type = HWDEC_VDPAU,
|
|
.image_format = IMGFMT_VDPAU,
|
|
.probe = probe,
|
|
.init = init,
|
|
.uninit = uninit,
|
|
.init_decoder = init_decoder,
|
|
.allocate_image = allocate_image,
|
|
};
|