Use power-of-two max packet sizes.
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@ -327,6 +327,18 @@ int raw1394_iso_recv_flush(raw1394handle_t handle)
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return 0;
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}
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static unsigned int
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round_to_power_of_two(unsigned int value)
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{
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unsigned int pot;
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pot = 1;
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while (pot < value)
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pot <<= 1;
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return pot;
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}
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static int
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iso_init(raw1394handle_t handle, int type,
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raw1394_iso_xmit_handler_t xmit_handler,
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@ -366,7 +378,7 @@ iso_init(raw1394handle_t handle, int type,
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handle->iso.xmit_handler = xmit_handler;
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handle->iso.recv_handler = recv_handler;
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handle->iso.buf_packets = buf_packets;
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handle->iso.max_packet_size = max_packet_size;
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handle->iso.max_packet_size = round_to_power_of_two(max_packet_size);
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handle->iso.packet_phase = 0;
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handle->iso.packet_count = 0;
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handle->iso.packets =
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