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alsa-audio-dec: explicitly cast the delay to a signed int64

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Otherwise the expression will be evaluated as unsigned, which will break
when the result should be negative.
CC:libav-stable@libav.org

(cherry picked from commit 089fac77a6)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Anton Khirnov
2013-12-01 09:27:01 +01:00
committed by Reinhard Tartler
parent cbf51c4d36
commit f9f2591beb
1 changed files with 1 additions and 1 deletions
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libavdevice/alsa-audio-dec.c
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@@ -142,7 +142,7 @@ static int audio_read_packet(AVFormatContext *s1, AVPacket *pkt)
ts_delay += res;
pkt->pts = timestamp.tv_sec * 1000000LL
+ (timestamp.tv_nsec * st->codec->sample_rate
- ts_delay * 1000000000LL + st->codec->sample_rate * 500LL)
- (int64_t)ts_delay * 1000000000LL + st->codec->sample_rate * 500LL)
/ (st->codec->sample_rate * 1000LL);
pkt->size = res * s->frame_size;