mirror of https://github.com/mpv-player/mpv
128 lines
3.3 KiB
C
128 lines
3.3 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 <libavcodec/mediacodec.h>
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#include <libavutil/hwcontext.h>
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#include <libavutil/hwcontext_mediacodec.h>
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#include "common/common.h"
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#include "vo.h"
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#include "video/mp_image.h"
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#include "video/hwdec.h"
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struct priv {
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struct mp_image *next_image;
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struct mp_hwdec_ctx hwctx;
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};
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static AVBufferRef *create_mediacodec_device_ref(struct vo *vo)
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{
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AVBufferRef *device_ref = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_MEDIACODEC);
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if (!device_ref)
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return NULL;
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AVHWDeviceContext *ctx = (void *)device_ref->data;
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AVMediaCodecDeviceContext *hwctx = ctx->hwctx;
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assert(vo->opts->WinID != 0 && vo->opts->WinID != -1);
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hwctx->surface = (void *)(intptr_t)(vo->opts->WinID);
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if (av_hwdevice_ctx_init(device_ref) < 0)
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av_buffer_unref(&device_ref);
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return device_ref;
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}
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static int preinit(struct vo *vo)
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{
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struct priv *p = vo->priv;
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vo->hwdec_devs = hwdec_devices_create();
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p->hwctx = (struct mp_hwdec_ctx){
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.driver_name = "mediacodec_embed",
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.av_device_ref = create_mediacodec_device_ref(vo),
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.hw_imgfmt = IMGFMT_MEDIACODEC,
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};
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if (!p->hwctx.av_device_ref) {
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MP_VERBOSE(vo, "Failed to create hwdevice_ctx\n");
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return -1;
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}
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hwdec_devices_add(vo->hwdec_devs, &p->hwctx);
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return 0;
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}
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static void flip_page(struct vo *vo)
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{
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struct priv *p = vo->priv;
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if (!p->next_image)
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return;
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AVMediaCodecBuffer *buffer = (AVMediaCodecBuffer *)p->next_image->planes[3];
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av_mediacodec_release_buffer(buffer, 1);
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mp_image_unrefp(&p->next_image);
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}
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static void draw_frame(struct vo *vo, struct vo_frame *frame)
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{
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struct priv *p = vo->priv;
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mp_image_t *mpi = NULL;
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if (!frame->redraw && !frame->repeat)
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mpi = mp_image_new_ref(frame->current);
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talloc_free(p->next_image);
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p->next_image = mpi;
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}
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static int query_format(struct vo *vo, int format)
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{
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return format == IMGFMT_MEDIACODEC;
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}
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static int control(struct vo *vo, uint32_t request, void *data)
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{
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return VO_NOTIMPL;
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}
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static int reconfig(struct vo *vo, struct mp_image_params *params)
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{
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return 0;
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}
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static void uninit(struct vo *vo)
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{
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struct priv *p = vo->priv;
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mp_image_unrefp(&p->next_image);
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hwdec_devices_remove(vo->hwdec_devs, &p->hwctx);
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av_buffer_unref(&p->hwctx.av_device_ref);
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}
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const struct vo_driver video_out_mediacodec_embed = {
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.description = "Android (Embedded MediaCodec Surface)",
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.name = "mediacodec_embed",
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.caps = VO_CAP_NORETAIN,
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.preinit = preinit,
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.query_format = query_format,
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.control = control,
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.draw_frame = draw_frame,
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.flip_page = flip_page,
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.reconfig = reconfig,
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.uninit = uninit,
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.priv_size = sizeof(struct priv),
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};
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