FFmpeg
hwcontext_mediacodec.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "config.h"
20 
21 #include "buffer.h"
22 #include "common.h"
23 #include "hwcontext.h"
24 #include "hwcontext_internal.h"
25 #include "hwcontext_mediacodec.h"
26 
27 static int mc_device_create(AVHWDeviceContext *ctx, const char *device,
28  AVDictionary *opts, int flags)
29 {
30  if (device && device[0]) {
31  av_log(ctx, AV_LOG_ERROR, "Device selection unsupported.\n");
32  return AVERROR_UNKNOWN;
33  }
34 
35  return 0;
36 }
37 
40  .name = "mediacodec",
41 
42  .device_hwctx_size = sizeof(AVMediaCodecDeviceContext),
43 
44  .device_create = mc_device_create,
45 
46  .pix_fmts = (const enum AVPixelFormat[]){
49  },
50 };
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:60
enum AVHWDeviceType type
#define av_log(a,...)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AVDictionary * opts
Definition: movenc.c:50
AVFormatContext * ctx
Definition: movenc.c:48
static int mc_device_create(AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)
refcounted data buffer API
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
hardware decoding through MediaCodec
Definition: pixfmt.h:293
#define flags(name, subs,...)
Definition: cbs_av1.c:561
common internal and external API header
const HWContextType ff_hwcontext_type_mediacodec
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64