From 2fee53f8cb846aedc8bf921c3ad6654993dd2222 Mon Sep 17 00:00:00 2001
From: Matthew Wozniak <me@woz.blue>
Date: Mon, 18 Nov 2024 21:05:46 -0500
Subject: Fix 5288 issue/multiple demos

---
 render.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/render.c b/render.c
index ec841e7..aafa882 100644
--- a/render.c
+++ b/render.c
@@ -15,8 +15,6 @@
  */
 
 #include "api.h"
-#include "libavutil/channel_layout.h"
-#include "libavutil/mathematics.h"
 #include "log.h"
 #include "hook.h"
 #include "render.h"
@@ -26,6 +24,8 @@
 #include <libavformat/avformat.h>
 #include <libavcodec/avcodec.h>
 #include <libavcodec/codec_id.h>
+#include <libavutil/channel_layout.h>
+#include <libavutil/mathematics.h>
 #include <libavutil/error.h>
 #include <libavutil/opt.h>
 #include <libavutil/log.h>
@@ -69,7 +69,6 @@ struct renderctx {
 	AVFrame *aframe;
 	AVFrame *aframe_tmp;
 	struct SwrContext *swr;
-	u64 nextpts;
 };
 
 static struct renderctx ctx = { 0 };
@@ -102,7 +101,10 @@ bool encode(AVCodecContext *codec, AVFrame *frame, AVStream *stream) {
 }
 
 bool do_frame(struct videomode *this, struct movieinfo *info) {
+	(void)(info); // unused param
 	is_rendering = true;
+
+	static int nextpts = 0;
 	static struct { u8 bgr[3]; } *pixels = 0;
 	if (!pixels)
 		pixels = malloc(args.width * args.height * sizeof(*pixels));
@@ -118,7 +120,7 @@ bool do_frame(struct videomode *this, struct movieinfo *info) {
 	sws_scale(ctx.sws, (const u8 **)&pixels, &stride, 0, args.height, 
 			ctx.yuv_frame->data, ctx.yuv_frame->linesize);
 
-	ctx.yuv_frame->pts = info->curframe;
+	ctx.yuv_frame->pts = nextpts++;
 	ctx.yuv_frame->time_base = ctx.vcodec_ctx->time_base;
 	ctx.yuv_frame->duration = 1;
 
@@ -135,7 +137,7 @@ void VIRTUAL hook_write_movie_frame(struct videomode *this,
 
 bool do_audio_frame(void) {
 	if (!is_rendering) return true;
-
+	static u64 nextpts = 0;
 	static int frame_idx = 0;
 #define CLIP16(n) (i16)(n < -32768 ? -32768 : (n > 32767 ? 32767 : n))
 
@@ -151,8 +153,8 @@ bool do_audio_frame(void) {
 					ctx.aframe_tmp->nb_samples) < 0)
 				bail("failed to resample audio frame");
 
-			ctx.aframe->pts = ctx.nextpts;
-			ctx.nextpts += ctx.aframe->nb_samples;
+			ctx.aframe->pts = nextpts;
+			nextpts += ctx.aframe->nb_samples;
 			encode(ctx.acodec_ctx, ctx.aframe, ctx.astream);
 			frame_idx = 0;
 		}
@@ -316,8 +318,6 @@ bool render_init(void) {
 	if (swr_init(ctx.swr) < 0)
 		bail("failed to init resampler");
 
-	ctx.nextpts = 0;
-
 	// audio frame
 	ctx.aframe = av_frame_alloc();
 	if (!ctx.aframe) bail("failed to alloc audio frame");
-- 
cgit v1.2.3-54-g00ecf