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authorjbrjake <[email protected]>2007-08-11 18:21:21 +0000
committerjbrjake <[email protected]>2007-08-11 18:21:21 +0000
commitb811ee3c5e1108fbbb21961d4fcad0942b1a609f (patch)
tree86721c42910524a52715a72858ead6f6146c51f1 /contrib
parent6bd6cb369fcdefd64f0ccdc1c2d3bb07c2a7eacc (diff)
Applies a patch from the MPlayer project to libmpeg2. This allows mpeg2dec to see PIC_FLAG_REPEAT_FIRST_FIELD in frame structures.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@798 b64f7644-9d1e-0410-96f1-a4d463321fa5
Diffstat (limited to 'contrib')
-rw-r--r--contrib/Jamfile2
-rw-r--r--contrib/patch-libmpeg2.patch33
2 files changed, 34 insertions, 1 deletions
diff --git a/contrib/Jamfile b/contrib/Jamfile
index d99672666..59cc1747b 100644
--- a/contrib/Jamfile
+++ b/contrib/Jamfile
@@ -237,7 +237,7 @@ rule LibMpeg2
actions LibMpeg2
{
cd `dirname $(>)` && CONTRIB=`pwd` &&
- rm -rf mpeg2dec && tar xzf mpeg2dec.tar.gz && cd mpeg2dec &&
+ rm -rf mpeg2dec && tar xzf mpeg2dec.tar.gz && cd mpeg2dec && patch -p1 < ../patch-libmpeg2.patch &&
./configure --prefix=$CONTRIB --disable-shared --disable-sdl &&
make && make install &&
strip -S $CONTRIB/lib/libmpeg2.a
diff --git a/contrib/patch-libmpeg2.patch b/contrib/patch-libmpeg2.patch
new file mode 100644
index 000000000..d5ab5bf65
--- /dev/null
+++ b/contrib/patch-libmpeg2.patch
@@ -0,0 +1,33 @@
+diff -ur orig/header.c mpeg2dec/libmpeg2/header.c
+--- orig/header.c 2003-12-22 12:24:02.000000000 +0100
++++ mpeg2dec/libmpeg2/header.c 2004-08-02 18:07:50.000000000 +0200
+@@ -100,6 +100,9 @@
+ mpeg2dec->decoder.convert = NULL;
+ mpeg2dec->decoder.convert_id = NULL;
+ mpeg2dec->picture = mpeg2dec->pictures;
++ memset(&mpeg2dec->fbuf_alloc[0].fbuf, 0, sizeof(mpeg2_fbuf_t));
++ memset(&mpeg2dec->fbuf_alloc[1].fbuf, 0, sizeof(mpeg2_fbuf_t));
++ memset(&mpeg2dec->fbuf_alloc[2].fbuf, 0, sizeof(mpeg2_fbuf_t));
+ mpeg2dec->fbuf[0] = &mpeg2dec->fbuf_alloc[0].fbuf;
+ mpeg2dec->fbuf[1] = &mpeg2dec->fbuf_alloc[1].fbuf;
+ mpeg2dec->fbuf[2] = &mpeg2dec->fbuf_alloc[2].fbuf;
+@@ -551,6 +554,7 @@
+ if (!(mpeg2dec->sequence.flags & SEQ_FLAG_PROGRESSIVE_SEQUENCE)) {
+ picture->nb_fields = (buffer[3] & 2) ? 3 : 2;
+ flags |= (buffer[3] & 128) ? PIC_FLAG_TOP_FIELD_FIRST : 0;
++ flags |= (buffer[3] & 2) ? PIC_FLAG_REPEAT_FIRST_FIELD : 0;
+ } else
+ picture->nb_fields = (buffer[3]&2) ? ((buffer[3]&128) ? 6 : 4) : 2;
+ break;
+diff -ur orig/mpeg2.h mpeg2dec/include/mpeg2.h
+--- orig/mpeg2.h 2003-12-22 13:13:35.000000000 +0100
++++ mpeg2dec/include/mpeg2.h 2004-02-18 13:50:13.000000000 +0100
+@@ -82,6 +82,7 @@
+ #define PIC_FLAG_COMPOSITE_DISPLAY 32
+ #define PIC_FLAG_SKIP 64
+ #define PIC_FLAG_TAGS 128
++#define PIC_FLAG_REPEAT_FIRST_FIELD 256
+ #define PIC_MASK_COMPOSITE_DISPLAY 0xfffff000
+
+ typedef struct mpeg2_picture_s {
+