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authorRavindra <rpatagar@akamai.com>2017-08-10 11:59:30 +0530
committerMarton Balint <cus@passwd.hu>2017-08-22 22:32:29 +0200
commitf3913dcc06854dbaf90890fa5853638e057b9bb1 (patch)
tree8a6acceab22d347e13d6457b4b6d786e1d1a2126 /libavdevice/decklink_dec.cpp
parent6f03ffb47d51368a4bbc87702df8446e4660845d (diff)
libavdevice/decklink: configurablity to set max queue size
Signed-off-by: Ravindra Patagar <rpatagar@akamai.com> Signed-off-by: Marton Balint <cus@passwd.hu>
Diffstat (limited to 'libavdevice/decklink_dec.cpp')
-rw-r--r--libavdevice/decklink_dec.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/libavdevice/decklink_dec.cpp b/libavdevice/decklink_dec.cpp
index 72449a8eca..64157b4c16 100644
--- a/libavdevice/decklink_dec.cpp
+++ b/libavdevice/decklink_dec.cpp
@@ -1,6 +1,7 @@
/*
* Blackmagic DeckLink input
* Copyright (c) 2013-2014 Luca Barbato, Deti Fliegl
+ * Copyright (c) 2017 Akamai Technologies, Inc.
*
* This file is part of FFmpeg.
*
@@ -187,10 +188,12 @@ static uint8_t* teletext_data_unit_from_vanc_data(uint8_t *src, uint8_t *tgt, in
static void avpacket_queue_init(AVFormatContext *avctx, AVPacketQueue *q)
{
+ struct decklink_cctx *ctx = (struct decklink_cctx *)avctx->priv_data;
memset(q, 0, sizeof(AVPacketQueue));
pthread_mutex_init(&q->mutex, NULL);
pthread_cond_init(&q->cond, NULL);
q->avctx = avctx;
+ q->max_q_size = ctx->queue_size;
}
static void avpacket_queue_flush(AVPacketQueue *q)
@@ -230,8 +233,8 @@ static int avpacket_queue_put(AVPacketQueue *q, AVPacket *pkt)
{
AVPacketList *pkt1;
- // Drop Packet if queue size is > 1GB
- if (avpacket_queue_size(q) > 1024 * 1024 * 1024 ) {
+ // Drop Packet if queue size is > maximum queue size
+ if (avpacket_queue_size(q) > q->max_q_size) {
av_log(q->avctx, AV_LOG_WARNING, "Decklink input buffer overrun!\n");
return -1;
}