mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
2.9 KiB
104 lines
2.9 KiB
/* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg 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. |
|
* |
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#include "config.h" |
|
|
|
#include <android/native_window.h> |
|
#include <dlfcn.h> |
|
#include <media/NdkMediaCodec.h> |
|
|
|
#include "buffer.h" |
|
#include "common.h" |
|
#include "hwcontext.h" |
|
#include "hwcontext_internal.h" |
|
#include "hwcontext_mediacodec.h" |
|
|
|
typedef struct MediaCodecDeviceContext { |
|
AVMediaCodecDeviceContext ctx; |
|
|
|
void *libmedia; |
|
media_status_t (*create_surface)(ANativeWindow **surface); |
|
} MediaCodecDeviceContext; |
|
|
|
|
|
static int mc_device_create(AVHWDeviceContext *ctx, const char *device, |
|
AVDictionary *opts, int flags) |
|
{ |
|
if (device && device[0]) { |
|
av_log(ctx, AV_LOG_ERROR, "Device selection unsupported.\n"); |
|
return AVERROR_UNKNOWN; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int mc_device_init(AVHWDeviceContext *ctx) |
|
{ |
|
MediaCodecDeviceContext *s = ctx->hwctx; |
|
AVMediaCodecDeviceContext *dev = (AVMediaCodecDeviceContext *)s; |
|
ANativeWindow *native_window = NULL; |
|
|
|
if (dev->surface) |
|
return 0; |
|
|
|
if (dev->native_window) |
|
return 0; |
|
|
|
s->libmedia = dlopen("libmediandk.so", RTLD_NOW); |
|
if (!s->libmedia) |
|
return AVERROR_UNKNOWN; |
|
|
|
s->create_surface = dlsym(s->libmedia, "AMediaCodec_createPersistentInputSurface"); |
|
if (!s->create_surface) |
|
return AVERROR_UNKNOWN; |
|
|
|
s->create_surface(&native_window); |
|
dev->native_window = native_window; |
|
return 0; |
|
} |
|
|
|
static void mc_device_uninit(AVHWDeviceContext *ctx) |
|
{ |
|
MediaCodecDeviceContext *s = ctx->hwctx; |
|
AVMediaCodecDeviceContext *dev = ctx->hwctx; |
|
if (!s->libmedia) |
|
return; |
|
|
|
if (dev->native_window) { |
|
ANativeWindow_release(dev->native_window); |
|
dev->native_window = NULL; |
|
} |
|
dlclose(s->libmedia); |
|
s->libmedia = NULL; |
|
} |
|
|
|
const HWContextType ff_hwcontext_type_mediacodec = { |
|
.type = AV_HWDEVICE_TYPE_MEDIACODEC, |
|
.name = "mediacodec", |
|
|
|
.device_hwctx_size = sizeof(MediaCodecDeviceContext), |
|
|
|
.device_create = mc_device_create, |
|
.device_init = mc_device_init, |
|
.device_uninit = mc_device_uninit, |
|
|
|
.pix_fmts = (const enum AVPixelFormat[]){ |
|
AV_PIX_FMT_MEDIACODEC, |
|
AV_PIX_FMT_NONE |
|
}, |
|
};
|
|
|