From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Thu, 6 Jul 2017 22:25:48 +0000 (+0200)
Subject: Fix a problem where we could wait for a very long time for the first frame on FFmpeg... 
X-Git-Tag: 1.6.1~7
X-Git-Url: https://git.sesse.net/?p=nageru;a=commitdiff_plain;h=30a7d1923b360f993209426aff4d2ea76da794bc

Fix a problem where we could wait for a very long time for the first frame on FFmpeg inputs.
---

diff --git a/ffmpeg_capture.cpp b/ffmpeg_capture.cpp
index fb1b223..be27e6f 100644
--- a/ffmpeg_capture.cpp
+++ b/ffmpeg_capture.cpp
@@ -411,6 +411,9 @@ bool FFmpegCapture::play_video(const string &pathname)
                 audio_format.num_channels = 8;
 
 		for ( ;; ) {
+			if (last_pts == 0 && pts_origin == 0) {
+				pts_origin = frame->pts;	
+			}
 			next_frame_start = compute_frame_start(frame->pts, pts_origin, video_timebase, start, rate);
 			video_frame.received_timestamp = next_frame_start;
 			bool finished_wakeup = producer_thread_should_quit.sleep_until(next_frame_start);