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Detect and report TS misalignment and switch to unaligned processing.

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This commit is contained in:
none 2021-02-25 14:58:42 +01:00
parent 28e09191af
commit 01ca1b8805
2 changed files with 21 additions and 5 deletions
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23
ddbridge/ddbridge-core.c
View File

@ -2300,14 +2300,29 @@ static void input_write_dvb(struct ddb_input *input,
if (alt_dma) if (alt_dma)
dma_sync_single_for_cpu(dev->dev, dma2->pbuf[dma->cbuf], dma_sync_single_for_cpu(dev->dev, dma2->pbuf[dma->cbuf],
dma2->size, DMA_FROM_DEVICE); dma2->size, DMA_FROM_DEVICE);
if (raw_stream || input->con) if (raw_stream || input->con) {
dvb_dmx_swfilter_raw(&dvb->demux, dvb_dmx_swfilter_raw(&dvb->demux,
dma2->vbuf[dma->cbuf], dma2->vbuf[dma->cbuf],
dma2->size); dma2->size);
else } else {
dvb_dmx_swfilter_packets(&dvb->demux, if (dma2->vbuf[dma->cbuf][0] != 0x47) {
if (!dma2->unaligned) {
dma2->unaligned++;
dev_warn(dev->dev, "Input %u dma buffer unaligned, "
"switching to unaligned processing.\n",
input->nr);
print_hex_dump(KERN_INFO, "TS: ", DUMP_PREFIX_OFFSET, 32, 1,
dma2->vbuf[dma->cbuf],
256, false);
}
dvb_dmx_swfilter(&dvb->demux,
dma2->vbuf[dma->cbuf], dma2->vbuf[dma->cbuf],
dma2->size / 188); dma2->size);
} else
dvb_dmx_swfilter_packets(&dvb->demux,
dma2->vbuf[dma->cbuf],
dma2->size / 188);
}
dma->cbuf = (dma->cbuf + 1) % dma2->num; dma->cbuf = (dma->cbuf + 1) % dma2->num;
if (ack) if (ack)

1
ddbridge/ddbridge.h
View File

@ -219,6 +219,7 @@ struct ddb_dma {
u32 stall_count; u32 stall_count;
u32 packet_loss; u32 packet_loss;
u32 unaligned;
}; };
struct ddb_dvb { struct ddb_dvb {