From 7c8689ef5401bb462006cb7d555efc380f320b17 Mon Sep 17 00:00:00 2001
From: Baptiste Coudurier <baptiste.coudurier@gmail.com>
Date: Tue, 14 Apr 2009 00:20:52 +0000
Subject: [PATCH] set pkt duration for last smaller frame, should fix alac in
 m4a muxing

Originally committed as revision 18504 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 ffmpeg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ffmpeg.c b/ffmpeg.c
index 1a4fcfbc48..4be4b92681 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -1469,6 +1469,8 @@ static int output_packet(AVInputStream *ist, int ist_index,
                                 enc->frame_size = fifo_bytes / (2 * enc->channels);
                                 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
                                 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
+                                pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
+                                                          ost->st->time_base.num, enc->sample_rate);
                                 enc->frame_size = fs_tmp;
                             }
                             if(ret <= 0) {