X-Git-Url: https://review.fuel-infra.org/gitweb?a=blobdiff_plain;ds=sidebyside;f=cirros-testvm%2Fsrc-cirros%2Fbuildroot-2015.05%2Fpackage%2Fffmpeg%2F0001-Support-raw-dvdsub-palette-as-stored-on-normal-dvd-s.patch;fp=cirros-testvm%2Fsrc-cirros%2Fbuildroot-2015.05%2Fpackage%2Fffmpeg%2F0001-Support-raw-dvdsub-palette-as-stored-on-normal-dvd-s.patch;h=a51a7d3c9c480440b8e01c58afb6647b9b7f2c36;hb=b0a0f15dfaa205161a7fcb20cf1b8cd4948c2ef3;hp=0000000000000000000000000000000000000000;hpb=c6ac3cd55ee2da956195eee393b0882105dfad4e;p=packages%2Ftrusty%2Fcirros-testvm.git

diff --git a/cirros-testvm/src-cirros/buildroot-2015.05/package/ffmpeg/0001-Support-raw-dvdsub-palette-as-stored-on-normal-dvd-s.patch b/cirros-testvm/src-cirros/buildroot-2015.05/package/ffmpeg/0001-Support-raw-dvdsub-palette-as-stored-on-normal-dvd-s.patch
new file mode 100644
index 0000000..a51a7d3
--- /dev/null
+++ b/cirros-testvm/src-cirros/buildroot-2015.05/package/ffmpeg/0001-Support-raw-dvdsub-palette-as-stored-on-normal-dvd-s.patch
@@ -0,0 +1,63 @@
+From 74f1c9b43b191a9d6b494e90a4a11677fca33c13 Mon Sep 17 00:00:00 2001
+From: Joakim Plate <elupus@ecce.se>
+Date: Sun, 11 Sep 2011 19:04:51 +0200
+Subject: [PATCH 01/13] Support raw dvdsub palette as stored on normal dvd's
+
+This is how the palette is stored on dvd's. Currently
+only xbmc passes the palette information to libavcodec
+this way.
+
+Patch part of the XBMC patch set for ffmpeg, downloaded from
+https://github.com/xbmc/FFmpeg/.
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+---
+ libavcodec/dvdsubdec.c | 24 ++++++++++++++++++++++++
+ 1 file changed, 24 insertions(+)
+
+diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c
+index 39604f3..a711e16 100644
+--- a/libavcodec/dvdsubdec.c
++++ b/libavcodec/dvdsubdec.c
+@@ -64,6 +64,24 @@ static void yuv_a_to_rgba(const uint8_t *ycbcr, const uint8_t *alpha, uint32_t *
+     }
+ }
+ 
++static void ayvu_to_argb(const uint8_t *ayvu, uint32_t *argb, int num_values)
++{
++    uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
++    uint8_t r, g, b;
++    int i, y, cb, cr, a;
++    int r_add, g_add, b_add;
++
++    for (i = num_values; i > 0; i--) {
++        a = *ayvu++;
++        y = *ayvu++;
++        cr = *ayvu++;
++        cb = *ayvu++;
++        YUV_TO_RGB1_CCIR(cb, cr);
++        YUV_TO_RGB2_CCIR(r, g, b, y);
++        *argb++ = (a << 24) | (r << 16) | (g << 8) | b;
++    }
++}
++
+ static int decode_run_2bit(GetBitContext *gb, int *color)
+ {
+     unsigned int v, t;
+@@ -697,6 +715,12 @@ static av_cold int dvdsub_init(AVCodecContext *avctx)
+         parse_ifo_palette(ctx, ctx->ifo_str);
+     if (ctx->palette_str)
+         parse_palette(ctx, ctx->palette_str);
++
++    if (!ctx->has_palette && avctx->extradata_size == 64) {
++        ayvu_to_argb((uint8_t*)avctx->extradata, ctx->palette, 16);
++        ctx->has_palette = 1;
++    }
++
+     if (ctx->has_palette) {
+         int i;
+         av_log(avctx, AV_LOG_DEBUG, "palette:");
+-- 
+2.1.0
+