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add packet loss function

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none 2021-02-24 20:24:14 +01:00
parent f72c7b2256
commit d259d69808
1 changed files with 12 additions and 0 deletions
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12
ddbridge/ddbridge-core.c
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@ -527,6 +527,18 @@ static void ddb_output_stop(struct ddb_output *output)
}
}
static void update_loss(struct ddb_dma *dma)
{
struct ddb_input *input = (struct ddb_input *)dma->io;
u32 packet_loss = dma->packet_loss;
u32 cur_counter = ddbreadl(input->port->dev, TS_STAT(input)) & 0xffff;
if (cur_counter < (packet_loss & 0xffff))
packet_loss += 0x10000;
packet_loss = ((packet_loss & 0xffff0000) | cur_counter);
dma->packet_loss = packet_loss;
}
static void ddb_input_stop_unlocked(struct ddb_input *input)
{
struct ddb *dev = input->port->dev;