3 * Copyright (c) 2015 Luca Barbato
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * Simple wrapper to store an AVFrame and forward it as AVPacket.
30 #include "libavutil/internal.h"
31 #include "libavutil/frame.h"
32 #include "libavutil/buffer.h"
33 #include "libavutil/pixdesc.h"
35 static void wrapped_avframe_release_buffer(void *unused, uint8_t *data)
37 AVFrame *frame = (AVFrame *)data;
39 av_frame_free(&frame);
42 static int wrapped_avframe_encode(AVCodecContext *avctx, AVPacket *pkt,
43 const AVFrame *frame, int *got_packet)
45 AVFrame *wrapped = av_frame_clone(frame);
47 int size = sizeof(*wrapped) + AV_INPUT_BUFFER_PADDING_SIZE;
50 return AVERROR(ENOMEM);
52 data = av_mallocz(size);
54 av_frame_free(&wrapped);
55 return AVERROR(ENOMEM);
58 pkt->buf = av_buffer_create(data, size,
59 wrapped_avframe_release_buffer, NULL,
60 AV_BUFFER_FLAG_READONLY);
62 av_frame_free(&wrapped);
64 return AVERROR(ENOMEM);
67 av_frame_move_ref((AVFrame*)data, wrapped);
68 av_frame_free(&wrapped);
71 pkt->size = sizeof(*wrapped);
73 pkt->flags |= AV_PKT_FLAG_KEY;
78 AVCodec ff_wrapped_avframe_encoder = {
79 .name = "wrapped_avframe",
80 .long_name = NULL_IF_CONFIG_SMALL("AVFrame to AVPacket passthrough"),
81 .type = AVMEDIA_TYPE_VIDEO,
82 .id = AV_CODEC_ID_WRAPPED_AVFRAME,
83 .encode2 = wrapped_avframe_encode,
84 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,