You've already forked FFmpeg
mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2025-11-23 21:54:53 +02:00
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
|
|
* AHX to MP2 bitstream filter
|
|
* Copyright (c) 2024 Paul B Mahol
|
|
*
|
|
* 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
|
|
* AHX to MP2 bitstream filter.
|
|
*/
|
|
|
|
#include "libavutil/intreadwrite.h"
|
|
#include "bsf.h"
|
|
#include "bsf_internal.h"
|
|
|
|
static av_cold int init(AVBSFContext *ctx)
|
|
{
|
|
ctx->par_out->codec_id = AV_CODEC_ID_MP2;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int filter(AVBSFContext *ctx, AVPacket *pkt)
|
|
{
|
|
int ret;
|
|
|
|
ret = ff_bsf_get_packet_ref(ctx, pkt);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (pkt->size < 1044) {
|
|
ret = av_grow_packet(pkt, 1044-pkt->size);
|
|
if (ret < 0) {
|
|
av_packet_unref(pkt);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
const FFBitStreamFilter ff_ahx_to_mp2_bsf = {
|
|
.p.name = "ahx_to_mp2",
|
|
.p.codec_ids = (const enum AVCodecID []){ AV_CODEC_ID_AHX, AV_CODEC_ID_NONE },
|
|
.init = init,
|
|
.filter = filter,
|
|
};
|