From cd3fe8cc1ae9028acb4f630ed16c12f4fb327f3c Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期四, 10 十月 2019 17:35:12 +0800
Subject: [PATCH] add interface out
---
csrc/ffmpeg/format/FormatOut.cpp | 56 +++++++++++++++++++++-----------------------------------
1 files changed, 21 insertions(+), 35 deletions(-)
diff --git a/csrc/ffmpeg/format/FormatOut.cpp b/csrc/ffmpeg/format/FormatOut.cpp
index a0cad4a..60efd59 100644
--- a/csrc/ffmpeg/format/FormatOut.cpp
+++ b/csrc/ffmpeg/format/FormatOut.cpp
@@ -287,13 +287,13 @@
return false;
}
//灏嗚緭鍑烘祦鐨勭紪鐮佷俊鎭鍒跺埌杈撳叆娴�
- auto ret = avcodec_copy_context(out_stream->codec, in_stream->codec);
+ auto ret = avcodec_parameters_copy(out_stream->codecpar, in_stream->codecpar);
if(ret<0)
{
logIt("Failed to copy context from input to output stream codec context\n");
return false;
}
- out_stream->codecpar->codec_tag = out_stream->codec->codec_tag = 0;
+ out_stream->codecpar->codec_tag = 0;
if(ctx_->oformat->flags & AVFMT_GLOBALHEADER)
out_stream->codec->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
@@ -395,30 +395,6 @@
}
void FormatOut::adjustPTS(AVPacket *pkt, const int64_t &frame_cnt){
- if (pkt->stream_index >= ctx_->nb_streams){
- logIt("adjustPTS pkt stream index too much");
- return;
- }
-
- if (!in_a_stream_){
- int64_t time_stamp = frame_cnt;
-
- pkt->pos = -1;
- pkt->stream_index = 0;
- //Write PTS
- AVRational time_base = getStream()->time_base;
-
- AVRational time_base_q = { 1, AV_TIME_BASE };
- //Duration between 2 frames (us)
- // int64_t calc_duration = (double)(AV_TIME_BASE)*(1 / fps_); //鍐呴儴鏃堕棿鎴�
- int64_t calc_duration = (int64_t)(AV_TIME_BASE / fps_); //鍐呴儴鏃堕棿鎴�
- //Parameters
- pkt->pts = av_rescale_q(time_stamp*calc_duration, time_base_q, time_base);
- pkt->dts = pkt->pts;
- pkt->duration = av_rescale_q(calc_duration, time_base_q, time_base);
- return;
- }
-
AVStream *in_stream,*out_stream;
int out_idx = -1;
std::vector<AVStream*> in_streams{in_v_stream_, in_a_stream_};
@@ -436,24 +412,34 @@
}
}
if (out_idx == -1) return;
-
out_stream = ctx_->streams[out_idx];
pkt->stream_index = out_idx;
+
+ int64_t time_stamp = frame_cnt;
+
+ if (out_idx == v_idx_){
+ pkt->pos = -1;
+ AVRational time_base = ctx_->streams[out_idx]->time_base;
+
+ AVRational time_base_q = { 1, AV_TIME_BASE };
+ int64_t calc_duration = (int64_t)(AV_TIME_BASE / fps_); //鍐呴儴鏃堕棿鎴�
+ pkt->pts = av_rescale_q(time_stamp*calc_duration, time_base_q, time_base);
+ pkt->dts = pkt->pts;
+ pkt->duration = av_rescale_q(calc_duration, time_base_q, time_base);
+
+ }else if (out_idx == a_idx_){
+
+ pkt->duration = 1024;
+ pkt->pts = pkt->dts = pkt->duration * time_stamp;
+
+ }
// logIt("BEFORE in stream timebase %d:%d, out timebase %d:%d,
// pts: %lld, dts: %lld, duration: %lld",
// in_stream->time_base.num, in_stream->time_base.den,
// out_stream->time_base.num, out_stream->time_base.den,
// pkt->pts, pkt->dts, pkt->duration);
- //杞崲 PTS/DTS 鏃跺簭
- pkt->pts = av_rescale_q_rnd(pkt->pts,in_stream->time_base,out_stream->time_base,(enum AVRounding)(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
- pkt->dts = av_rescale_q_rnd(pkt->dts, in_stream->time_base, out_stream->time_base, (enum AVRounding)(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
- pkt->duration = av_rescale_q(pkt->duration, in_stream->time_base, out_stream->time_base);
- pkt->pos = -1;
-
- // logIt("AFTER stream %d, pts: %lld, dts: %lld, duration: %lld",
- // pkt->stream_index, pkt->pts, pkt->dts, pkt->duration);
}
bool FormatOut::writeFrame(AVPacket *pkt, const int64_t &frame_cnt,
--
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