mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-07 11:13:41 +02:00
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/*
|
|
* AVFrame wrapper
|
|
* Copyright (c) 2015 Luca Barbato
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; 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,
|
|
};
|