mirror of https://github.com/mpv-player/mpv
112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/*
|
|
* This file is part of mpv.
|
|
*
|
|
* Copyright (c) 2016 Philip Langdale <philipl@overt.org>
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
// This define and typedef prevent hwcontext_cuda.h trying to include cuda.h
|
|
#define CUDA_VERSION 7050
|
|
typedef void * CUcontext;
|
|
|
|
#include <libavutil/hwcontext.h>
|
|
#include <libavutil/hwcontext_cuda.h>
|
|
|
|
#include "common/av_common.h"
|
|
#include "video/fmt-conversion.h"
|
|
#include "video/decode/lavc.h"
|
|
|
|
#if !NEW_CUDA_HWACCEL
|
|
|
|
static int probe(struct lavc_ctx *ctx, struct vd_lavc_hwdec *hwdec,
|
|
const char *codec)
|
|
{
|
|
if (!hwdec_devices_load(ctx->hwdec_devs, HWDEC_CUDA))
|
|
return HWDEC_ERR_NO_CTX;
|
|
return 0;
|
|
}
|
|
|
|
static int init(struct lavc_ctx *ctx)
|
|
{
|
|
ctx->hwdec_priv = hwdec_devices_get(ctx->hwdec_devs, HWDEC_CUDA);
|
|
return 0;
|
|
}
|
|
|
|
static int init_decoder(struct lavc_ctx *ctx, int w, int h)
|
|
{
|
|
AVCodecContext *avctx = ctx->avctx;
|
|
struct mp_hwdec_ctx *hwctx = ctx->hwdec_priv;
|
|
|
|
MP_VERBOSE(ctx, "Using old cuda API.\n");
|
|
|
|
if (avctx->hw_frames_ctx) {
|
|
MP_ERR(ctx, "hw_frames_ctx already initialised!\n");
|
|
return -1;
|
|
}
|
|
|
|
avctx->hw_frames_ctx = av_hwframe_ctx_alloc(hwctx->av_device_ref);
|
|
if (!avctx->hw_frames_ctx) {
|
|
MP_ERR(ctx, "av_hwframe_ctx_alloc failed\n");
|
|
goto error;
|
|
}
|
|
|
|
AVHWFramesContext *hwframe_ctx = (void* )avctx->hw_frames_ctx->data;
|
|
hwframe_ctx->format = AV_PIX_FMT_CUDA;
|
|
|
|
// This is proper use of the hw_frames_ctx API, but it does not work
|
|
// (appaears to work but fails e.g. with 10 bit). The cuvid wrapper
|
|
// does non-standard things, and it's a messy situation. This whole
|
|
// file is actually used only with older libavcodec versions.
|
|
/*
|
|
hwframe_ctx->width = w;
|
|
hwframe_ctx->height = h;
|
|
hwframe_ctx->sw_format = avctx->sw_pix_fmt;
|
|
|
|
if (av_hwframe_ctx_init(avctx->hw_frames_ctx) < 0)
|
|
goto error;
|
|
*/
|
|
|
|
return 0;
|
|
|
|
error:
|
|
av_buffer_unref(&avctx->hw_frames_ctx);
|
|
return -1;
|
|
}
|
|
|
|
static void uninit(struct lavc_ctx *ctx)
|
|
{
|
|
ctx->hwdec_priv = NULL;
|
|
}
|
|
|
|
static struct mp_image *process_image(struct lavc_ctx *ctx, struct mp_image *img)
|
|
{
|
|
if (img->imgfmt == IMGFMT_CUDA)
|
|
img->params.hw_subfmt = pixfmt2imgfmt(ctx->avctx->sw_pix_fmt);
|
|
return img;
|
|
}
|
|
|
|
const struct vd_lavc_hwdec mp_vd_lavc_cuda_old = {
|
|
.type = HWDEC_CUDA,
|
|
.image_format = IMGFMT_CUDA,
|
|
.lavc_suffix = "_cuvid",
|
|
.probe = probe,
|
|
.init = init,
|
|
.uninit = uninit,
|
|
.init_decoder = init_decoder,
|
|
.process_image = process_image,
|
|
};
|
|
|
|
#endif
|