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