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Diffstat (limited to 'src/spu_dec/cc_decoder.c')
-rw-r--r--src/spu_dec/cc_decoder.c92
1 files changed, 46 insertions, 46 deletions
diff --git a/src/spu_dec/cc_decoder.c b/src/spu_dec/cc_decoder.c
index 71e2578db..d60d2cf03 100644
--- a/src/spu_dec/cc_decoder.c
+++ b/src/spu_dec/cc_decoder.c
@@ -1,21 +1,21 @@
/*
* Copyright (C) 2000-2003 the xine project
- *
- * Copyright (C) Christian Vogler
+ *
+ * Copyright (C) Christian Vogler
* cvogler@gradient.cis.upenn.edu - December 2001
*
* This file is part of xine, a free video player.
- *
+ *
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* xine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
@@ -83,7 +83,7 @@ static const int text_colormap[NUM_FG_COL] = {
/* FIXME: The colors look fine on an XShm display, but they look *terrible*
with the Xv display on the NVidia driver on a GeForce 3. The colors bleed
into each other more than I'd expect from the downsampling into YUV
- colorspace.
+ colorspace.
At this moment, it looks like a problem in the Xv YUV blending functions.
*/
typedef struct colorinfo_s {
@@ -217,14 +217,14 @@ static const uint8_t *const cc_alpha_palettes[NUM_CC_PALETTES] = {
/* --------------------- misc. EIA 608 definitions -------------------*/
-#define TRANSP_SPACE 0x19 /* code for transparent space, essentially
+#define TRANSP_SPACE 0x19 /* code for transparent space, essentially
arbitrary */
/* mapping from PAC row code to actual CC row */
static const int rowdata[] = {10, -1, 0, 1, 2, 3, 11, 12, 13, 14, 4, 5, 6,
7, 8, 9};
/* FIXME: do real ™ (U+2122) */
-/* Code 182 must be mapped as a musical note ('♪', U+266A) in the caption font */
+/* Code 182 must be mapped as a musical note ('♪', U+266A) in the caption font */
static const char specialchar[] = {
174 /* ® */, 176 /* ° */, 189 /* ½ */, 191 /* ¿ */,
'T' /* ™ */, 162 /* ¢ */, 163 /* £ */, 182 /* ¶ => ♪ */,
@@ -257,7 +257,7 @@ static const char specialchar[] = {
* chartbl[0x7e] = 241; // ñ
* chartbl[0x7f] = 164; // ¤ FIXME: should be a solid block ('█'; U+2588)
* }
- *
+ *
*/
static const int chartbl[128] = {
'\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07',
@@ -290,12 +290,12 @@ static const int chartbl[128] = {
* {
* int i;
* int ones = 0;
- *
+ *
* for (i = 0; i < 7; i++) {
* if (byte & (1 << i))
* ones++;
* }
- *
+ *
* return ones & 1;
* }
*
@@ -361,11 +361,11 @@ struct cc_renderer_s {
If this happens, the vpts of a hide caption event can actually be
slightly higher than the vpts of the following show caption event.
For this reason, we remember the vpts of the hide event and force
- the next show event's vpts to be at least equal to the hide event's
+ the next show event's vpts to be at least equal to the hide event's
vpts.
*/
int64_t last_hide_vpts;
-
+
/* caption palette and alpha channel */
uint32_t cc_palette[OVL_PALETTE_SIZE];
uint8_t cc_trans[OVL_PALETTE_SIZE];
@@ -451,7 +451,7 @@ struct cc_decoder_s {
/*---------------- general utility functions ---------------------*/
-static void get_font_metrics(osd_renderer_t *renderer,
+static void get_font_metrics(osd_renderer_t *renderer,
const char *fontname, int font_size,
int *maxw, int *maxh)
{
@@ -572,8 +572,8 @@ static void ccrow_set_attributes(cc_renderer_t *renderer, cc_row_t *this,
fontname = cap_info->italic_font;
else
fontname = cap_info->font;
- renderer->osd_renderer->set_font(renderer->cap_display, (char *) fontname,
- cap_info->font_size);
+ renderer->osd_renderer->set_font(renderer->cap_display, (char *) fontname,
+ cap_info->font_size);
}
@@ -652,7 +652,7 @@ static void ccrow_render(cc_renderer_t *renderer, cc_row_t *this, int rownum)
x = renderer->width * pos / CC_COLUMNS;
y = base_y;
}
-
+
#ifdef LOG_DEBUG
printf("text_w, text_h = %d, %d\n", text_w, text_h);
printf("cc from %d to %d; text plotting from %d, %d (basey = %d)\n", pos, endpos, x, y, base_y);
@@ -663,7 +663,7 @@ static void ccrow_render(cc_renderer_t *renderer, cc_row_t *this, int rownum)
int textcol = text_colormap[this->cells[seg_attr[seg]].attributes.foreground];
int box_x1 = x + cumulative_seg_width[seg];
int box_x2 = x + cumulative_seg_width[seg + 1];
-
+
#ifdef LOG_DEBUG
printf("ccrow_render: rendering segment %d from %d to %d / %d to %d\n",
seg, seg_pos[seg], seg_pos[seg + 1],
@@ -688,7 +688,7 @@ static void ccrow_render(cc_renderer_t *renderer, cc_row_t *this, int rownum)
/* text is already mapped from EIA-608 into iso-8859-1 */
osd_renderer->render_text(renderer->cap_display,
- x + cumulative_seg_width[seg], y, buf,
+ x + cumulative_seg_width[seg], y, buf,
textcol);
}
@@ -753,7 +753,7 @@ static void ccbuf_add_char(cc_buffer_t *this, uint8_t c)
}
-static void ccbuf_set_cursor(cc_buffer_t *this, int row, int column,
+static void ccbuf_set_cursor(cc_buffer_t *this, int row, int column,
int underline, int italics, int color)
{
cc_row_t *rowbuf = &this->rows[row];
@@ -767,7 +767,7 @@ static void ccbuf_set_cursor(cc_buffer_t *this, int row, int column,
rowbuf->pac_attr = attr;
rowbuf->pac_attr_chg = 1;
- this->rowpos = row;
+ this->rowpos = row;
rowbuf->pos = column;
rowbuf->attr_chg = 0;
}
@@ -777,7 +777,7 @@ static void ccbuf_apply_attribute(cc_buffer_t *this, cc_attribute_t *attr)
{
cc_row_t *rowbuf = &this->rows[this->rowpos];
int pos = rowbuf->pos;
-
+
rowbuf->attr_chg = 1;
rowbuf->cells[pos].attributes = *attr;
/* A midrow attribute always counts as a space */
@@ -845,7 +845,7 @@ static void cc_renderer_build_palette(cc_renderer_t *this)
int i, j;
const colorinfo_t *cc_text = cc_text_palettes[this->cc_state->cc_cfg->cc_scheme];
const uint8_t *cc_alpha = cc_alpha_palettes[this->cc_state->cc_cfg->cc_scheme];
-
+
memset(this->cc_palette, 0, sizeof (this->cc_palette));
memset(this->cc_trans, 0, sizeof (this->cc_trans));
for (i = 0; i < NUM_FG_COL; i++) {
@@ -920,12 +920,12 @@ static void cc_renderer_show_caption(cc_renderer_t *this, cc_buffer_t *buf,
this->osd_renderer->clear(this->cap_display);
ccbuf_render(this, buf);
- this->osd_renderer->set_position(this->cap_display,
+ this->osd_renderer->set_position(this->cap_display,
this->x,
this->y);
vpts = MAX(vpts, this->last_hide_vpts);
this->osd_renderer->show(this->cap_display, vpts);
-
+
this->displayed = 1;
this->display_vpts = vpts;
}
@@ -973,7 +973,7 @@ cc_renderer_t *cc_renderer_open(osd_renderer_t *osd_renderer,
cc_renderer_update_cfg(this, video_width, video_height);
#ifdef LOG_DEBUG
printf("spucc: cc_renderer: open\n");
-#endif
+#endif
return this;
}
@@ -985,7 +985,7 @@ void cc_renderer_close(cc_renderer_t *this_obj)
#ifdef LOG_DEBUG
printf("spucc: cc_renderer: close\n");
-#endif
+#endif
}
@@ -1020,7 +1020,7 @@ void cc_renderer_update_cfg(cc_renderer_t *this_obj, int video_width,
#ifdef LOG_DEBUG
printf("spucc: cc_renderer: update config: max text extents: %d, %d\n",
this_obj->max_char_width, this_obj->max_char_height);
-#endif
+#endif
/* need to adjust captioning area to accommodate font? */
required_w = CC_COLUMNS * (this_obj->max_char_width + 1);
@@ -1042,7 +1042,7 @@ void cc_renderer_update_cfg(cc_renderer_t *this_obj, int video_width,
this_obj->y = (this_obj->video_height - required_h) / 2;
}
- if (required_w <= this_obj->video_width &&
+ if (required_w <= this_obj->video_width &&
required_h <= this_obj->video_height) {
this_obj->cc_state->can_cc = 1;
cc_renderer_adjust_osd_object(this_obj);
@@ -1053,7 +1053,7 @@ void cc_renderer_update_cfg(cc_renderer_t *this_obj, int video_width,
printf("spucc: required captioning area %dx%d exceeds screen %dx%d!\n"
" Captions disabled. Perhaps you should choose a smaller"
" font?\n",
- required_w, required_h, this_obj->video_width,
+ required_w, required_h, this_obj->video_width,
this_obj->video_height);
}
}
@@ -1091,10 +1091,10 @@ static void cc_hide_displayed(cc_decoder_t *this)
if (cc_renderer_on_display(this->cc_state->renderer)) {
int64_t vpts = cc_renderer_calc_vpts(this->cc_state->renderer, this->pts,
- this->f_offset);
+ this->f_offset);
#ifdef LOG_DEBUG
printf("cc_decoder: cc_hide_displayed: hiding caption %u at vpts %u\n", this->capid, vpts);
-#endif
+#endif
cc_renderer_hide_caption(this->cc_state->renderer, vpts);
}
}
@@ -1111,7 +1111,7 @@ static void cc_show_displayed(cc_decoder_t *this)
this->f_offset);
#ifdef LOG_DEBUG
printf("cc_decoder: cc_show_displayed: showing caption %u at vpts %u\n", this->capid, vpts);
-#endif
+#endif
this->capid++;
cc_renderer_show_caption(this->cc_state->renderer,
&this->on_buf->channel[this->on_buf->channel_no],
@@ -1334,7 +1334,7 @@ static void cc_decode_EIA608(cc_decoder_t *this, uint16_t data)
}
else {
switch (c1) {
-
+
case 0x10: /* extended background attribute code */
cc_decode_ext_attribute(this, channel, c1, c2);
break;
@@ -1362,7 +1362,7 @@ static void cc_decode_EIA608(cc_decoder_t *this, uint16_t data)
}
}
}
-
+
this->lastcode = data;
}
@@ -1388,13 +1388,13 @@ void decode_cc(cc_decoder_t *this, uint8_t *buffer, uint32_t buf_len,
* 0x00 is padding, followed by 2 more 0x00.
*
* 0x01 always seems to appear at the beginning, always seems to
- * be followed by 0xf8, 8-bit number.
+ * be followed by 0xf8, 8-bit number.
* The lower 7 bits of this 8-bit number seem to denote the
* number of code triplets that follow.
- * The most significant bit denotes whether the Line 21 field 1
+ * The most significant bit denotes whether the Line 21 field 1
* captioning information is at odd or even triplet offsets from this
* beginning triplet. 1 denotes odd offsets, 0 denotes even offsets.
- *
+ *
* Most captions are encoded with odd offsets, so this is what we
* will assume.
*
@@ -1419,31 +1419,31 @@ void decode_cc(cc_decoder_t *this, uint8_t *buffer, uint32_t buf_len,
}
printf("\n");
}
-#endif
+#endif
while (curbytes < buf_len) {
int skip = 2;
cc_code = *current++;
curbytes++;
-
+
if (buf_len - curbytes < 2) {
#ifdef LOG_DEBUG
fprintf(stderr, "Not enough data for 2-byte CC encoding\n");
#endif
break;
}
-
+
data1 = *current;
data2 = *(current + 1);
-
+
switch (cc_code) {
case 0xfe:
/* expect 2 byte encoding (perhaps CC3, CC4?) */
/* ignore for time being */
skip = 2;
break;
-
+
case 0xff:
/* expect EIA-608 CC1/CC2 encoding */
if (good_parity(data1 | (data2 << 8))) {
@@ -1452,12 +1452,12 @@ void decode_cc(cc_decoder_t *this, uint8_t *buffer, uint32_t buf_len,
}
skip = 5;
break;
-
+
case 0x00:
/* This seems to be just padding */
skip = 2;
break;
-
+
case 0x01:
odd_offset = data2 & 0x80;
if (odd_offset)
@@ -1465,7 +1465,7 @@ void decode_cc(cc_decoder_t *this, uint8_t *buffer, uint32_t buf_len,
else
skip = 5;
break;
-
+
default:
#ifdef LOG_DEBUG
fprintf(stderr, "Unknown CC encoding: %x\n", cc_code);
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-06 18:49:20 +0000