c5324d92c5
And rename it to retimeinterleave, use the pcm_rechunk bitstream filter for rechunking. By seperating the two functions we hopefully get cleaner code. Signed-off-by: Marton Balint <cus@passwd.hu>
52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
/*
|
|
* Retime Interleaving functions
|
|
*
|
|
* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include "libavutil/mathematics.h"
|
|
#include "avformat.h"
|
|
#include "retimeinterleave.h"
|
|
#include "internal.h"
|
|
|
|
void ff_retime_interleave_init(RetimeInterleaveContext *aic, AVRational time_base)
|
|
{
|
|
aic->time_base = time_base;
|
|
}
|
|
|
|
int ff_retime_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush,
|
|
int (*get_packet)(AVFormatContext *, AVPacket *, AVPacket *, int),
|
|
int (*compare_ts)(AVFormatContext *, const AVPacket *, const AVPacket *))
|
|
{
|
|
int ret;
|
|
|
|
if (pkt) {
|
|
AVStream *st = s->streams[pkt->stream_index];
|
|
RetimeInterleaveContext *aic = st->priv_data;
|
|
pkt->duration = av_rescale_q(pkt->duration, st->time_base, aic->time_base);
|
|
// rewrite pts and dts to be decoded time line position
|
|
pkt->pts = pkt->dts = aic->dts;
|
|
aic->dts += pkt->duration;
|
|
if ((ret = ff_interleave_add_packet(s, pkt, compare_ts)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
return get_packet(s, out, NULL, flush);
|
|
}
|