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A slight logic problem in mutual supported page sizes

This commit is contained in:
Steve Underwood 2013-04-11 22:57:37 +08:00
parent 9eab201f93
commit 59395684d3
1 changed files with 6 additions and 3 deletions
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9
libs/spandsp/src/t30.c
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@ -2245,7 +2245,6 @@ static int process_rx_dis_dtc(t30_state_t *s, const uint8_t *msg, int len)
span_log(&s->logging, SPAN_LOG_FLOW, "Choose compression %s (%d)\n", t4_encoding_to_str(s->line_encoding), s->line_encoding);
s->mutual_bilevel_resolutions = s->supported_bilevel_resolutions;
s->mutual_colour_resolutions = s->supported_colour_resolutions;
if (!test_ctrl_bit(s->far_dis_dtc_frame, T30_DIS_BIT_1200_1200_CAPABLE))
@ -2330,9 +2329,11 @@ static int process_rx_dis_dtc(t30_state_t *s, const uint8_t *msg, int len)
}
/* A4 is always supported. */
if (!test_ctrl_bit(s->far_dis_dtc_frame, T30_DIS_BIT_UNLIMITED_LENGTH_CAPABLE))
{
s->mutual_image_sizes &= ~T4_SUPPORT_LENGTH_UNLIMITED;
if (!test_ctrl_bit(s->far_dis_dtc_frame, T30_DIS_BIT_A4_B4_LENGTH_CAPABLE))
s->mutual_image_sizes &= ~T4_SUPPORT_LENGTH_B4;
if (!test_ctrl_bit(s->far_dis_dtc_frame, T30_DIS_BIT_A4_B4_LENGTH_CAPABLE))
s->mutual_image_sizes &= ~T4_SUPPORT_LENGTH_B4;
}
if (!test_ctrl_bit(s->local_dis_dtc_frame, T30_DIS_BIT_NORTH_AMERICAN_LETTER_CAPABLE))
s->mutual_image_sizes &= ~T4_SUPPORT_LENGTH_US_LETTER;
if (!test_ctrl_bit(s->local_dis_dtc_frame, T30_DIS_BIT_NORTH_AMERICAN_LEGAL_CAPABLE))
@ -6716,6 +6717,8 @@ SPAN_DECLARE(t30_state_t *) t30_init(t30_state_t *s,
s->supported_image_sizes = T4_SUPPORT_WIDTH_215MM
| T4_SUPPORT_LENGTH_US_LETTER
| T4_SUPPORT_LENGTH_US_LEGAL
| T4_SUPPORT_LENGTH_A4
| T4_SUPPORT_LENGTH_B4
| T4_SUPPORT_LENGTH_UNLIMITED;
/* Set the output encoding to something safe. Most things get 1D and 2D
encoding right. Quite a lot get other things wrong. */