From 836848622f85231c3ff6b9af49704fec4c035df4 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@herge.(none)>
Date: Tue, 30 Apr 2013 15:31:00 +0100
Subject: first synced render

---
 rotord/rotor.cpp | 33 +++++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)

(limited to 'rotord/rotor.cpp')

diff --git a/rotord/rotor.cpp b/rotord/rotor.cpp
index d295c9f..c79a9c7 100755
--- a/rotord/rotor.cpp
+++ b/rotord/rotor.cpp
@@ -6,6 +6,11 @@ bool fequal(const float u,const float v){
 	if (abs(u-v)<.001) return true;
 	else return false;
 };
+bool flessorequal(const float u,const float v){
+	//v is less or equal to u
+	if (u-v>-.001) return true;
+	else return false;
+};
 
 
 using namespace Rotor;
@@ -175,13 +180,28 @@ bool Video_output::render(const float duration, const float framerate,const stri
 	if (exporter->setup(outW,outH,bitRate,frameRate,container)) { //codecId,
 		if (exporter->record(output_filename)) {
 
-			cerr << "Rotor: Video_output rendering " << duration << " seconds at " << framerate << " fps" << endl;
-			float step=1.0f/framerate;
+			cerr << "Rotor: Video_output rendering " << duration << " seconds at " << framerate << " fps, audio frame size: " << exporter->get_audio_framesize()<<endl;
+			//25fps video and 43.06640625fps audio? hmm
+			//how to get the timecodes correct for the interleaved files
+
+			float vstep=1.0f/framerate;
 			float v=0.0f;
-			for (float f=0.0f;f<duration;f+=step) {
-			    uint16_t* s=audioloader.get_samples(exporter->get_audio_framesize());
-			    Image* i=get_output(Frame_spec(f,framerate,outW,outH));
-				if (!exporter->encodeFrame(i->RGBdata,s)){
+			float vf=0.0f;
+			float af=0.0f;
+			while (vf<duration) { //float f=0.0f;f<duration;f+=step) {
+				//seems to be that the audio frames have to be a little ahead
+				//and the frame->pts comes from video
+				while (flessorequal(vf,af)) {
+					//insert audio frames until we are ahead of the video
+			    	uint16_t* s=audioloader.get_samples(exporter->get_audio_framesize());
+			    	exporter->encodeFrame(s);
+				    af+=exporter->get_audio_step();
+				}
+			    Image* i=get_output(Frame_spec(vf,framerate,outW,outH));
+			    exporter->encodeFrame(i->RGBdata);
+			    vf+=vstep;
+			    /*
+				if (!exporter->encodeFrame(i->RGBdata)){
 				//if (!exporter->encodeFrame(get_output(Frame_spec(f,framerate,outW,outH))->RGBdata,audioloader.get_packet())){
 					cerr << "Rotor: video output failed"<<endl;
 				 	break;
@@ -193,6 +213,7 @@ bool Video_output::render(const float duration, const float framerate,const stri
 						cerr<<"stop here"<<endl;
 					}
 				}
+				*/
 			}
 			exporter->finishRecord();
 			cerr << "Rotor: Video_output finished "<< endl;
-- 
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