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

[Anshul]

On July 26, 2015 10:33:22 PM IST, Michael Niedermayer <michaelni at gmx.at> wrote:
>From: Michael Niedermayer <michael at niedermayer.cc>
>
>Signed-off-by: Michael Niedermayer <michael at 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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LGTM.

-Anshul

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