From 8218710526be85df749080c21e080560e3f43209 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20A=C3=9Fmus?= <superstippi@gmx.de>
Date: Wed, 29 Sep 2010 15:11:28 +0000
Subject: [PATCH] Do not write an audio packet if the encoder has not produced
 any encoded data yet. Fixes encoding of Vorbis audio.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38850 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/add-ons/media/plugins/ffmpeg/AVCodecEncoder.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/add-ons/media/plugins/ffmpeg/AVCodecEncoder.cpp b/src/add-ons/media/plugins/ffmpeg/AVCodecEncoder.cpp
index 85388f15e5..91dee79c86 100644
--- a/src/add-ons/media/plugins/ffmpeg/AVCodecEncoder.cpp
+++ b/src/add-ons/media/plugins/ffmpeg/AVCodecEncoder.cpp
@@ -531,6 +531,8 @@ AVCodecEncoder::_EncodeAudio(const uint8* buffer, size_t bufferSize,
 		TRACE("  avcodec_encode_video() failed: %d\n", usedBytes);
 		return B_ERROR;
 	}
+	if (usedBytes == 0)
+		return B_OK;
 
 	// Maybe we need to use this PTS to calculate start_time:
 	if (fContext->coded_frame->pts != kNoPTSValue) {