1 files changed, 127 insertions, 0 deletions
diff --git a/video/out/vo_mediacodec_embed.c b/video/out/vo_mediacodec_embed.c
new file mode 100644
index 0000000..08d3866
--- /dev/null
+++ b/video/out/vo_mediacodec_embed.c
@@ -0,0 +1,127 @@
+/*
+ * 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),
+};