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lavd/lavfi: compute and use the used samples buffer size for the output audio packet size

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Do not assume the used size is the same of the allocated size, as it was
wrongly assumed. Fix audio playback when the two values differ.
This commit is contained in:
Stefano Sabatini 2011-10-16 10:35:07 +02:00
parent 6bca574a98
commit 477718f40b
1 changed files with 3 additions and 1 deletions
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4
libavdevice/lavfi.c
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@ -299,7 +299,9 @@ static int lavfi_read_packet(AVFormatContext *avctx, AVPacket *pkt)
avpicture_layout(&pict, ref->format, ref->video->w,
ref->video->h, pkt->data, size);
} else if (ref->audio) {
size = ref->linesize[0];
size = ref->audio->nb_samples *
av_get_bytes_per_sample(ref->format) *
av_get_channel_layout_nb_channels(ref->audio->channel_layout);
if ((ret = av_new_packet(pkt, size)) < 0)
return ret;
memcpy(pkt->data, ref->data[0], size);