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/*
* AVFrame wrapper
* Copyright (c) 2015 Luca Barbato
*
* 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
*/
/**
* @file
* Simple wrapper to store an AVFrame and forward it as AVPacket.
*/
#include "avcodec.h"
#include "internal.h"
#include "libavutil/internal.h"
#include "libavutil/frame.h"
#include "libavutil/buffer.h"
#include "libavutil/pixdesc.h"
static void wrapped_avframe_release_buffer(void *unused, uint8_t *data)
{
AVFrame *frame = (AVFrame *)data;
av_frame_free(&frame);
}
static int wrapped_avframe_encode(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
AVFrame *wrapped = av_frame_clone(frame);
if (!wrapped)
return AVERROR(ENOMEM);
pkt->buf = av_buffer_create((uint8_t *)wrapped, sizeof(*wrapped),
wrapped_avframe_release_buffer, NULL,
AV_BUFFER_FLAG_READONLY);
if (!pkt->buf) {
av_frame_free(&wrapped);
return AVERROR(ENOMEM);
}
pkt->data = (uint8_t *)wrapped;
pkt->size = sizeof(*wrapped);
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
AVCodec ff_wrapped_avframe_encoder = {
.name = "wrapped_avframe",
.long_name = NULL_IF_CONFIG_SMALL("AVFrame to AVPacket passthrough"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_WRAPPED_AVFRAME,
.encode2 = wrapped_avframe_encode,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
};
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