mpv/video/out/android_common.c

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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/jni.h>
#include <android/native_window_jni.h>
#include "android_common.h"
#include "common/msg.h"
#include "misc/jni.h"
#include "options/m_config.h"
#include "vo.h"
struct android_opts {
struct m_geometry surface_size;
};
#define OPT_BASE_STRUCT struct android_opts
const struct m_sub_options android_conf = {
.opts = (const struct m_option[]) {
{"android-surface-size", OPT_SIZE_BOX(surface_size),
.flags = UPDATE_VO_RESIZE},
{0}
},
.size = sizeof(struct android_opts),
};
struct vo_android_state {
struct mp_log *log;
ANativeWindow *native_window;
};
int vo_android_init(struct vo *vo)
{
vo->android = talloc_zero(vo, struct vo_android_state);
struct vo_android_state *ctx = vo->android;
*ctx = (struct vo_android_state){
.log = mp_log_new(ctx, vo->log, "android"),
};
JNIEnv *env = MP_JNI_GET_ENV(ctx);
if (!env) {
MP_FATAL(ctx, "Could not attach java VM.\n");
goto fail;
}
jobject surface = (jobject)(intptr_t)vo->opts->WinID;
ctx->native_window = ANativeWindow_fromSurface(env, surface);
if (!ctx->native_window) {
MP_FATAL(ctx, "Failed to create ANativeWindow\n");
goto fail;
}
return 1;
fail:
talloc_free(ctx);
vo->android = NULL;
return 0;
}
void vo_android_uninit(struct vo *vo)
{
struct vo_android_state *ctx = vo->android;
if (!ctx)
return;
if (ctx->native_window)
ANativeWindow_release(ctx->native_window);
talloc_free(ctx);
vo->android = NULL;
}
ANativeWindow *vo_android_native_window(struct vo *vo)
{
struct vo_android_state *ctx = vo->android;
return ctx->native_window;
}
bool vo_android_surface_size(struct vo *vo, int *out_w, int *out_h)
{
struct vo_android_state *ctx = vo->android;
void *tmp = talloc_new(NULL);
struct android_opts *opts = mp_get_config_group(tmp, vo->global, &android_conf);
int w = opts->surface_size.w, h = opts->surface_size.h;
if (!w)
w = ANativeWindow_getWidth(ctx->native_window);
if (!h)
h = ANativeWindow_getHeight(ctx->native_window);
talloc_free(tmp);
if (w <= 0 || h <= 0) {
MP_ERR(ctx, "Failed to get height and width.\n");
return false;
}
*out_w = w;
*out_h = h;
return true;
}