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

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);