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avdevice/decklink: move queue_size to an argument for ff_decklink_packet_queue_init

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The existing queue initialization function would always sets it's
maximum queue size to ctx->queue_size.  But because we are introducing
more queues we may want the sizes to differ between them.

Move the specification of the queue size into an argument, which can
be passed from the caller.

This patch makes no functional change to the behavior.  It is being
made to accommodate Marton Balin's request to split out the queue
size for the new VANC queue being introduced in a later patch.

Signed-off-by: Devin Heitmueller <dheitmueller@ltnglobal.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Devin Heitmueller
2023-06-30 17:14:38 -04:00
committed by Marton Balint
parent 5930d397ef
commit e7d800fe89
3 changed files with 4 additions and 5 deletions
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5
libavdevice/decklink_common.cpp
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@@ -390,14 +390,13 @@ int ff_decklink_set_format(AVFormatContext *avctx, decklink_direction_t directio
return ff_decklink_set_format(avctx, 0, 0, 0, 0, AV_FIELD_UNKNOWN, direction);
}
void ff_decklink_packet_queue_init(AVFormatContext *avctx, DecklinkPacketQueue *q)
void ff_decklink_packet_queue_init(AVFormatContext *avctx, DecklinkPacketQueue *q, int64_t queue_size)
{
struct decklink_cctx *ctx = (struct decklink_cctx *)avctx->priv_data;
memset(q, 0, sizeof(DecklinkPacketQueue));
pthread_mutex_init(&q->mutex, NULL);
pthread_cond_init(&q->cond, NULL);
q->avctx = avctx;
q->max_q_size = ctx->queue_size;
q->max_q_size = queue_size;
}
void ff_decklink_packet_queue_flush(DecklinkPacketQueue *q)