[FFmpeg-devel] [PATCH] libavcodec/dvdsubdec: Add option forced_subs_only to only decode forced subtitle frames.

[Nicholas Robbins]

ping



On Saturday, September 20, 2014 7:54 AM, Nicholas Robbins <nickrobbins-at-yahoo.com at ffmpeg.org> wrote:
 

>
>
>Signed-off-by: Nicholas Robbins <nickrobbins at yahoo.com>
>---
>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 = {
>-- 
>1.8.5.5
>
>
>_______________________________________________
>ffmpeg-devel mailing list
>ffmpeg-devel at ffmpeg.org
>http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
>
>