gecko/media/libvpx/cast-char-to-uint-before-shift.patch
2016-01-04 09:06:08 +01:00

29 lines
872 B
Diff

# HG changeset patch
# User Gerald Squelart <gsquelart@mozilla.com>
# Parent 3d0a39b9f8cd9b07dac0263cfbaa23649d8b3138
Bug 1224371 - Cast uint8_t to uint32_t before shift - r=jya
Note: C-style cast because it is C code.
diff --git a/media/libvpx/vp9/decoder/vp9_decoder.c b/media/libvpx/vp9/decoder/vp9_decoder.c
--- a/media/libvpx/vp9/decoder/vp9_decoder.c
+++ b/media/libvpx/vp9/decoder/vp9_decoder.c
@@ -494,16 +494,16 @@ vpx_codec_err_t vp9_parse_superframe_ind
decrypt_cb(decrypt_state, x, clear_buffer, frames * mag);
x = clear_buffer;
}
for (i = 0; i < frames; ++i) {
uint32_t this_sz = 0;
for (j = 0; j < mag; ++j)
- this_sz |= (*x++) << (j * 8);
+ this_sz |= (uint32_t)(*x++) << (j * 8);
sizes[i] = this_sz;
}
*count = frames;
}
}
return VPX_CODEC_OK;
}