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Exposing forced flag for DVD and PGS subtitles 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
hakuya 2012-04-15 21:58:40 -04:00 committed by Michael Niedermayer
parent 1f46b50a95
commit 79e5902cf1
4 changed files with 11 additions and 0 deletions
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6
libavcodec/avcodec.h
View File

@ -3158,6 +3158,12 @@ typedef struct AVSubtitleRect {
* struct.
*/
char *ass;
/**
* 1 indicates this subtitle is a forced subtitle.
* A forced subtitle should be displayed even when subtitles are hidden.
*/
int forced;
} AVSubtitleRect;
typedef struct AVSubtitle {

1
libavcodec/dvdsubdec.c
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@ -356,6 +356,7 @@ static int decode_dvd_subtitles(DVDSubContext *ctx, AVSubtitle *sub_header,
sub_header->rects[0]->h = h;
sub_header->rects[0]->type = SUBTITLE_BITMAP;
sub_header->rects[0]->pict.linesize[0] = w;
sub_header->rects[0]->forced = is_menu;
}
}
if (next_cmd_pos < cmd_pos) {

1
libavcodec/options.c
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@ -264,6 +264,7 @@ static const AVOption subtitle_rect_options[]={
{"w", "", SROFFSET(w), AV_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, 0},
{"h", "", SROFFSET(h), AV_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, 0},
{"type", "", SROFFSET(type), AV_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, 0},
{"forced", "", SROFFSET(forced), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, 0},
{NULL},
};

3
libavcodec/pgssubdec.c
View File

@ -423,6 +423,9 @@ static int display_end_segment(AVCodecContext *avctx, void *data,
sub->rects[rect]->nb_colors = 256;
sub->rects[rect]->pict.data[1] = av_mallocz(AVPALETTE_SIZE);
/* Copy the forced flag */
sub->rects[rect]->forced = (ctx->presentation.objects[rect].composition & 0x40) != 0;
if (!ctx->forced_subs_only || ctx->presentation.objects[rect].composition & 0x40)
memcpy(sub->rects[rect]->pict.data[1], ctx->clut, sub->rects[rect]->nb_colors * sizeof(uint32_t));
}