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Revert "lavc/ccaption_dec: implement "erase non displayed memory""

This reverts commit 26abdd61a3.
This commit is contained in:
Aman Gupta 2016-01-08 17:40:11 -08:00 committed by Clément Bœsch
parent 23a50c8ab9
commit 578b911b5e

View File

@ -361,9 +361,12 @@ static void handle_pac(CCaptionSubContext *ctx, uint8_t hi, uint8_t lo)
}
}
static void handle_erase(CCaptionSubContext *ctx, int64_t pts, int n_screen)
/**
* @param pts it is required to set end time
*/
static void handle_edm(CCaptionSubContext *ctx, int64_t pts)
{
struct Screen *screen = ctx->screen + n_screen;
struct Screen *screen = ctx->screen + ctx->active_screen;
reap_screen(ctx, pts);
screen->row_used = 0;
@ -371,7 +374,7 @@ static void handle_erase(CCaptionSubContext *ctx, int64_t pts, int n_screen)
static void handle_eoc(CCaptionSubContext *ctx, int64_t pts)
{
handle_erase(ctx, pts, ctx->active_screen);
handle_edm(ctx,pts);
ctx->active_screen = !ctx->active_screen;
ctx->cursor_column = 0;
}
@ -452,7 +455,7 @@ static void process_cc608(CCaptionSubContext *ctx, int64_t pts, uint8_t hi, uint
break;
case 0x2c:
/* erase display memory */
handle_erase(ctx, pts, ctx->active_screen);
handle_edm(ctx, pts);
break;
case 0x2d:
/* carriage return */
@ -461,10 +464,6 @@ static void process_cc608(CCaptionSubContext *ctx, int64_t pts, uint8_t hi, uint
roll_up(ctx);
ctx->cursor_column = 0;
break;
case 0x2e:
/* erase non displayed memory */
handle_erase(ctx, pts, !ctx->active_screen);
break;
case 0x2f:
/* end of caption */
ff_dlog(ctx, "handle_eoc\n");