mirror of https://github.com/mpv-player/mpv
142 lines
3.6 KiB
C
142 lines
3.6 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stddef.h>
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#include <string.h>
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#include <assert.h>
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#include <unistd.h>
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#include <libavutil/hwcontext.h>
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#include <libavutil/hwcontext_videotoolbox.h>
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#include "config.h"
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#include "video/out/gpu/hwdec.h"
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#include "video/out/hwdec/hwdec_vt.h"
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static void uninit(struct ra_hwdec *hw)
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{
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struct priv_owner *p = hw->priv;
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hwdec_devices_remove(hw->devs, &p->hwctx);
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av_buffer_unref(&p->hwctx.av_device_ref);
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}
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static const vt_interop_init interop_inits[] = {
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#if HAVE_VIDEOTOOLBOX_GL || HAVE_IOS_GL
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vt_gl_init,
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#endif
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#if HAVE_VIDEOTOOLBOX_PL
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vt_pl_init,
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#endif
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NULL
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};
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static int init(struct ra_hwdec *hw)
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{
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struct priv_owner *p = hw->priv;
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for (int i = 0; interop_inits[i]; i++) {
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if (interop_inits[i](hw)) {
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break;
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}
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}
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if (!p->interop_map || !p->interop_unmap) {
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MP_VERBOSE(hw, "VT hwdec only works with OpenGL or Vulkan backends.\n");
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return -1;
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}
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p->hwctx = (struct mp_hwdec_ctx){
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.driver_name = hw->driver->name,
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.hw_imgfmt = IMGFMT_VIDEOTOOLBOX,
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};
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int ret = av_hwdevice_ctx_create(&p->hwctx.av_device_ref,
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AV_HWDEVICE_TYPE_VIDEOTOOLBOX, NULL, NULL, 0);
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if (ret != 0) {
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MP_VERBOSE(hw, "Failed to create hwdevice_ctx: %s\n", av_err2str(ret));
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return -1;
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}
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hwdec_devices_add(hw->devs, &p->hwctx);
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return 0;
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}
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static void mapper_unmap(struct ra_hwdec_mapper *mapper)
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{
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struct priv_owner *p_owner = mapper->owner->priv;
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p_owner->interop_unmap(mapper);
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}
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static void mapper_uninit(struct ra_hwdec_mapper *mapper)
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{
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struct priv_owner *p_owner = mapper->owner->priv;
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if (p_owner->interop_uninit) {
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p_owner->interop_uninit(mapper);
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}
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}
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static int mapper_init(struct ra_hwdec_mapper *mapper)
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{
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struct priv_owner *p_owner = mapper->owner->priv;
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struct priv *p = mapper->priv;
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mapper->dst_params = mapper->src_params;
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mapper->dst_params.imgfmt = mapper->src_params.hw_subfmt;
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mapper->dst_params.hw_subfmt = 0;
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if (!mapper->dst_params.imgfmt) {
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MP_ERR(mapper, "Unsupported CVPixelBuffer format.\n");
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return -1;
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}
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if (!ra_get_imgfmt_desc(mapper->ra, mapper->dst_params.imgfmt, &p->desc)) {
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MP_ERR(mapper, "Unsupported texture format.\n");
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return -1;
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}
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if (p_owner->interop_init)
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return p_owner->interop_init(mapper);
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return 0;
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}
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static int mapper_map(struct ra_hwdec_mapper *mapper)
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{
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struct priv_owner *p_owner = mapper->owner->priv;
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return p_owner->interop_map(mapper);
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}
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const struct ra_hwdec_driver ra_hwdec_videotoolbox = {
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.name = "videotoolbox",
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.priv_size = sizeof(struct priv_owner),
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.imgfmts = {IMGFMT_VIDEOTOOLBOX, 0},
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.init = init,
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.uninit = uninit,
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.mapper = &(const struct ra_hwdec_mapper_driver){
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.priv_size = sizeof(struct priv),
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.init = mapper_init,
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.uninit = mapper_uninit,
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.map = mapper_map,
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.unmap = mapper_unmap,
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},
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};
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