#define UNSET_FLAG(var, val) ( (var) &= ~( 1 << (val)) )
#define CHECK_FLAG(var, val) ( (var) & ( 1 << (val)) )
-static const AVRational ass_tb = {1, 100};
+static const AVRational ms_tb = {1, 1000};
/*
* TODO list
CCFONT_UNDERLINED_ITALICS,
};
+enum cc_charset {
+ CCSET_BASIC_AMERICAN,
+ CCSET_SPECIAL_AMERICAN,
+ CCSET_EXTENDED_SPANISH_FRENCH_MISC,
+ CCSET_EXTENDED_PORTUGUESE_GERMAN_DANISH,
+};
+
+static const char *charset_overrides[4][128] =
+{
+ [CCSET_BASIC_AMERICAN] = {
+ [0x27] = "\u2019",
+ [0x2a] = "\u00e1",
+ [0x5c] = "\u00e9",
+ [0x5e] = "\u00ed",
+ [0x5f] = "\u00f3",
+ [0x60] = "\u00fa",
+ [0x7b] = "\u00e7",
+ [0x7c] = "\u00f7",
+ [0x7d] = "\u00d1",
+ [0x7e] = "\u00f1",
+ [0x7f] = "\u2588"
+ },
+ [CCSET_SPECIAL_AMERICAN] = {
+ [0x30] = "\u00ae",
+ [0x31] = "\u00b0",
+ [0x32] = "\u00bd",
+ [0x33] = "\u00bf",
+ [0x34] = "\u2122",
+ [0x35] = "\u00a2",
+ [0x36] = "\u00a3",
+ [0x37] = "\u266a",
+ [0x38] = "\u00e0",
+ [0x39] = "\u00A0",
+ [0x3a] = "\u00e8",
+ [0x3b] = "\u00e2",
+ [0x3c] = "\u00ea",
+ [0x3d] = "\u00ee",
+ [0x3e] = "\u00f4",
+ [0x3f] = "\u00fb",
+ },
+ [CCSET_EXTENDED_SPANISH_FRENCH_MISC] = {
+ [0x20] = "\u00c1",
+ [0x21] = "\u00c9",
+ [0x22] = "\u00d3",
+ [0x23] = "\u00da",
+ [0x24] = "\u00dc",
+ [0x25] = "\u00fc",
+ [0x26] = "\u00b4",
+ [0x27] = "\u00a1",
+ [0x28] = "*",
+ [0x29] = "\u2018",
+ [0x2a] = "-",
+ [0x2b] = "\u00a9",
+ [0x2c] = "\u2120",
+ [0x2d] = "\u00b7",
+ [0x2e] = "\u201c",
+ [0x2f] = "\u201d",
+ [0x30] = "\u00c0",
+ [0x31] = "\u00c2",
+ [0x32] = "\u00c7",
+ [0x33] = "\u00c8",
+ [0x34] = "\u00ca",
+ [0x35] = "\u00cb",
+ [0x36] = "\u00eb",
+ [0x37] = "\u00ce",
+ [0x38] = "\u00cf",
+ [0x39] = "\u00ef",
+ [0x3a] = "\u00d4",
+ [0x3b] = "\u00d9",
+ [0x3c] = "\u00f9",
+ [0x3d] = "\u00db",
+ [0x3e] = "\u00ab",
+ [0x3f] = "\u00bb",
+ },
+ [CCSET_EXTENDED_PORTUGUESE_GERMAN_DANISH] = {
+ [0x20] = "\u00c3",
+ [0x21] = "\u00e3",
+ [0x22] = "\u00cd",
+ [0x23] = "\u00cc",
+ [0x24] = "\u00ec",
+ [0x25] = "\u00d2",
+ [0x26] = "\u00f2",
+ [0x27] = "\u00d5",
+ [0x28] = "\u00f5",
+ [0x29] = "{",
+ [0x2a] = "}",
+ [0x2b] = "\\",
+ [0x2c] = "^",
+ [0x2d] = "_",
+ [0x2e] = "|",
+ [0x2f] = "~",
+ [0x30] = "\u00c4",
+ [0x31] = "\u00e4",
+ [0x32] = "\u00d6",
+ [0x33] = "\u00f6",
+ [0x34] = "\u00df",
+ [0x35] = "\u00a5",
+ [0x36] = "\u00a4",
+ [0x37] = "\u00a6",
+ [0x38] = "\u00c5",
+ [0x39] = "\u00e5",
+ [0x3a] = "\u00d8",
+ [0x3b] = "\u00f8",
+ [0x3c] = "\u250c",
+ [0x3d] = "\u2510",
+ [0x3e] = "\u2514",
+ [0x3f] = "\u2518",
+ },
+};
+
static const unsigned char pac2_attribs[32][3] = // Color, font, ident
{
{ CCCOL_WHITE, CCFONT_REGULAR, 0 }, // 0x40 || 0x60
struct Screen {
/* +1 is used to compensate null character of string */
uint8_t characters[SCREEN_ROWS][SCREEN_COLUMNS+1];
+ uint8_t charsets[SCREEN_ROWS][SCREEN_COLUMNS+1];
uint8_t colors[SCREEN_ROWS][SCREEN_COLUMNS+1];
uint8_t fonts[SCREEN_ROWS][SCREEN_COLUMNS+1];
/*
uint8_t cursor_column;
uint8_t cursor_color;
uint8_t cursor_font;
+ uint8_t cursor_charset;
AVBPrint buffer;
int buffer_changed;
int rollup;
char prev_cmd[2];
/* buffer to store pkt data */
AVBufferRef *pktbuf;
+ int readorder;
} CCaptionSubContext;
ctx->cursor_column = 0;
ctx->cursor_font = 0;
ctx->cursor_color = 0;
+ ctx->cursor_charset = 0;
ctx->active_screen = 0;
ctx->last_real_time = 0;
ctx->screen_touched = 0;
ctx->buffer_changed = 0;
+ if (!(avctx->flags2 & AV_CODEC_FLAG2_RO_FLUSH_NOOP))
+ ctx->readorder = 0;
av_bprint_clear(&ctx->buffer);
}
uint8_t col = ctx->cursor_column;
char *row = screen->characters[ctx->cursor_row];
char *font = screen->fonts[ctx->cursor_row];
+ char *charset = screen->charsets[ctx->cursor_row];
if (col < SCREEN_COLUMNS) {
row[col] = ch;
font[col] = ctx->cursor_font;
+ charset[col] = ctx->cursor_charset;
+ ctx->cursor_charset = CCSET_BASIC_AMERICAN;
if (ch) ctx->cursor_column++;
return 0;
}
memcpy(screen->characters[i_row], screen->characters[i_row+1], SCREEN_COLUMNS);
memcpy(screen->colors[i_row], screen->colors[i_row+1], SCREEN_COLUMNS);
memcpy(screen->fonts[i_row], screen->fonts[i_row+1], SCREEN_COLUMNS);
+ memcpy(screen->charsets[i_row], screen->charsets[i_row+1], SCREEN_COLUMNS);
if (CHECK_FLAG(screen->row_used, i_row + 1))
SET_FLAG(screen->row_used, i_row);
}
if (CHECK_FLAG(screen->row_used, i)) {
const char *row = screen->characters[i];
const char *font = screen->fonts[i];
+ const char *charset = screen->charsets[i];
+ const char *override;
int j = 0;
/* skip leading space */
- while (row[j] == ' ')
+ while (row[j] == ' ' && charset[j] == CCSET_BASIC_AMERICAN)
j++;
for (; j < SCREEN_COLUMNS; j++) {
}
}
prev_font = font[j];
- av_bprintf(&ctx->buffer, "%s%s%c", e_tag, s_tag, row[j]);
+ override = charset_overrides[(int)charset[j]][(int)row[j]];
+ if (override) {
+ av_bprintf(&ctx->buffer, "%s%s%s", e_tag, s_tag, override);
+ } else {
+ av_bprintf(&ctx->buffer, "%s%s%c", e_tag, s_tag, row[j]);
+ }
}
av_bprintf(&ctx->buffer, "\\N");
}
ctx->cursor_row = row_map[index] - 1;
ctx->cursor_color = pac2_attribs[lo][0];
ctx->cursor_font = pac2_attribs[lo][1];
+ ctx->cursor_charset = CCSET_BASIC_AMERICAN;
ctx->cursor_column = 0;
indent = pac2_attribs[lo][2];
for (i = 0; i < indent; i++) {
SET_FLAG(screen->row_used, ctx->cursor_row);
- write_char(ctx, screen, hi);
+ switch (hi) {
+ case 0x11:
+ ctx->cursor_charset = CCSET_SPECIAL_AMERICAN;
+ break;
+ case 0x12:
+ if (ctx->cursor_column > 0)
+ ctx->cursor_column -= 1;
+ ctx->cursor_charset = CCSET_EXTENDED_SPANISH_FRENCH_MISC;
+ break;
+ case 0x13:
+ if (ctx->cursor_column > 0)
+ ctx->cursor_column -= 1;
+ ctx->cursor_charset = CCSET_EXTENDED_PORTUGUESE_GERMAN_DANISH;
+ break;
+ default:
+ ctx->cursor_charset = CCSET_BASIC_AMERICAN;
+ write_char(ctx, screen, hi);
+ break;
+ }
if (lo) {
write_char(ctx, screen, lo);
if (ctx->mode != CCMODE_POPON)
ctx->screen_touched = 1;
- /* reset prev command since character can repeat */
- ctx->prev_cmd[0] = 0;
- ctx->prev_cmd[1] = 0;
if (lo)
ff_dlog(ctx, "(%c,%c)\n", hi, lo);
else
{
if (hi == ctx->prev_cmd[0] && lo == ctx->prev_cmd[1]) {
/* ignore redundant command */
- } else if ( (hi == 0x10 && (lo >= 0x40 && lo <= 0x5f)) ||
- ( (hi >= 0x11 && hi <= 0x17) && (lo >= 0x40 && lo <= 0x7f) ) ) {
+ return;
+ }
+
+ /* set prev command */
+ ctx->prev_cmd[0] = hi;
+ ctx->prev_cmd[1] = lo;
+
+ if ( (hi == 0x10 && (lo >= 0x40 && lo <= 0x5f)) ||
+ ( (hi >= 0x11 && hi <= 0x17) && (lo >= 0x40 && lo <= 0x7f) ) ) {
handle_pac(ctx, hi, lo);
} else if ( ( hi == 0x11 && lo >= 0x20 && lo <= 0x2f ) ||
( hi == 0x17 && lo >= 0x2e && lo <= 0x2f) ) {
ff_dlog(ctx, "Unknown command 0x%hhx 0x%hhx\n", hi, lo);
break;
}
+ } else if (hi >= 0x11 && hi <= 0x13) {
+ /* Special characters */
+ handle_char(ctx, hi, lo, pts);
} else if (hi >= 0x20) {
/* Standard characters (always in pairs) */
handle_char(ctx, hi, lo, pts);
+ ctx->prev_cmd[0] = ctx->prev_cmd[1] = 0;
} else {
/* Ignoring all other non data code */
ff_dlog(ctx, "Unknown command 0x%hhx 0x%hhx\n", hi, lo);
}
-
- /* set prev command */
- ctx->prev_cmd[0] = hi;
- ctx->prev_cmd[1] = lo;
}
static int decode(AVCodecContext *avctx, void *data, int *got_sub, AVPacket *avpkt)
{
CCaptionSubContext *ctx = avctx->priv_data;
AVSubtitle *sub = data;
+ const int64_t start_time = sub->pts;
uint8_t *bptr = NULL;
int len = avpkt->size;
int ret = 0;
if(cc_type == 1)
continue;
else
- process_cc608(ctx, avpkt->pts, *(bptr + i + 1) & 0x7f, *(bptr + i + 2) & 0x7f);
+ process_cc608(ctx, start_time, *(bptr + i + 1) & 0x7f, *(bptr + i + 2) & 0x7f);
if (!ctx->buffer_changed)
continue;
if (*ctx->buffer.str || ctx->real_time)
{
- int64_t sub_pts = ctx->real_time ? avpkt->pts : ctx->start_time;
- int start_time = av_rescale_q(sub_pts, avctx->time_base, ass_tb);
- int duration = -1;
- if (!ctx->real_time) {
- int end_time = av_rescale_q(ctx->end_time, avctx->time_base, ass_tb);
- duration = end_time - start_time;
- }
ff_dlog(ctx, "cdp writing data (%s)\n",ctx->buffer.str);
- ret = ff_ass_add_rect_bprint(sub, &ctx->buffer, start_time, duration);
+ ret = ff_ass_add_rect(sub, ctx->buffer.str, ctx->readorder++, 0, NULL, NULL);
if (ret < 0)
return ret;
- sub->pts = av_rescale_q(sub_pts, avctx->time_base, AV_TIME_BASE_Q);
+ sub->pts = ctx->start_time;
+ if (!ctx->real_time)
+ sub->end_display_time = av_rescale_q(ctx->end_time - ctx->start_time,
+ AV_TIME_BASE_Q, ms_tb);
+ else
+ sub->end_display_time = -1;
ctx->buffer_changed = 0;
- ctx->last_real_time = avpkt->pts;
+ ctx->last_real_time = sub->pts;
ctx->screen_touched = 0;
}
}
if (ctx->real_time && ctx->screen_touched &&
- avpkt->pts > ctx->last_real_time + av_rescale_q(20, ass_tb, avctx->time_base)) {
- int start_time;
- ctx->last_real_time = avpkt->pts;
+ sub->pts > ctx->last_real_time + av_rescale_q(200, ms_tb, AV_TIME_BASE_Q)) {
+ ctx->last_real_time = sub->pts;
ctx->screen_touched = 0;
capture_screen(ctx);
ctx->buffer_changed = 0;
- start_time = av_rescale_q(avpkt->pts, avctx->time_base, ass_tb);
- ret = ff_ass_add_rect_bprint(sub, &ctx->buffer, start_time, -1);
+ ret = ff_ass_add_rect(sub, ctx->buffer.str, ctx->readorder++, 0, NULL, NULL);
if (ret < 0)
return ret;
- sub->pts = av_rescale_q(avpkt->pts, avctx->time_base, AV_TIME_BASE_Q);
+ sub->end_display_time = -1;
}
*got_sub = sub->num_rects > 0;