[FFmpeg-cvslog] libavcodec/dvdsubdec: Add option forced_subs_only to only decode forced subtitle frames.
Nicholas Robbins
git at videolan.org
Mon Sep 22 21:14:20 CEST 2014
ffmpeg | branch: master | Nicholas Robbins <nickrobbins-at-yahoo.com at ffmpeg.org> | Sat Sep 20 07:53:44 2014 -0400| [c7d21dee2856da817b5c1ce3746adbcce5420f9e] | committer: Michael Niedermayer
libavcodec/dvdsubdec: Add option forced_subs_only to only decode forced subtitle frames.
Signed-off-by: Nicholas Robbins <nickrobbins at yahoo.com>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c7d21dee2856da817b5c1ce3746adbcce5420f9e
---
libavcodec/dvdsubdec.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c
index c7973f0..bb28d9e 100644
--- a/libavcodec/dvdsubdec.c
+++ b/libavcodec/dvdsubdec.c
@@ -39,6 +39,7 @@ typedef struct DVDSubContext
uint8_t alpha[256];
uint8_t *buf;
int buf_size;
+ int forced_subs_only;
#ifdef DEBUG
int sub_id;
#endif
@@ -548,6 +549,9 @@ static int dvdsub_decode(AVCodecContext *avctx,
if (!is_menu && find_smallest_bounding_rectangle(sub) == 0)
goto no_subtitle;
+ if (ctx->forced_subs_only && !(sub->rects[0]->flags & AV_SUBTITLE_FLAG_FORCED))
+ goto no_subtitle;
+
#if defined(DEBUG)
{
char ppm_name[32];
@@ -652,6 +656,7 @@ static av_cold int dvdsub_close(AVCodecContext *avctx)
#define SD AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption options[] = {
{ "palette", "set the global palette", OFFSET(palette_str), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, SD },
+ { "forced_subs_only", "Only show forced subtitles", OFFSET(forced_subs_only), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, SD},
{ NULL }
};
static const AVClass dvdsub_class = {
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