[FFmpeg-devel] [PATCH] avcodec/dvbsubdec: Add option to select when to computer clut (always/never/"if needed")

[Michael Niedermayer]

From: Michael Niedermayer <mich...@niedermayer.cc>

Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
 libavcodec/dvbsubdec.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/dvbsubdec.c b/libavcodec/dvbsubdec.c
index 9f59b72..e3b72ab 100644
--- a/libavcodec/dvbsubdec.c
+++ b/libavcodec/dvbsubdec.c
@@ -237,6 +237,7 @@ typedef struct DVBSubContext {
     int time_out;
     int compute_edt; /**< if 1 end display time calculated using pts
                           if 0 (Default) calculated using time out */
+    int compute_clut;
     int64_t prev_start;
     DVBSubRegion *region_list;
     DVBSubCLUT   *clut_list;
@@ -912,7 +913,7 @@ static int save_subtitle_set(AVCodecContext *avctx, 
AVSubtitle *sub, int *got_ou
 
             memcpy(rect->pict.data[0], region->pbuf, region->buf_size);
 
-            if (clut == &default_clut)
+            if ((clut == &default_clut && ctx->compute_clut == -1) || 
ctx->compute_clut == 1)
                 compute_default_clut(&rect->pict, rect->w, rect->h);
 
             i++;
@@ -1706,6 +1707,7 @@ end:
 #define DS AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_SUBTITLE_PARAM
 static const AVOption options[] = {
     {"compute_edt", "compute end of time using pts or timeout", 
offsetof(DVBSubContext, compute_edt), FF_OPT_TYPE_INT, {.i64 = 0}, 0, 1, DS},
+    {"compute_clut", "compute clut when not available(-1) or always(1) or 
never(0)", offsetof(DVBSubContext, compute_clut), FF_OPT_TYPE_INT, {.i64 = -1}, 
-1, 1, DS},
     {NULL}
 };
 static const AVClass dvbsubdec_class = {
-- 
1.7.9.5

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