Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | Description: Workaround to build libav for i586 with gcc 4.9.2 by avoiding memset |
| 2 | Author: Bernhard Übelacker <bernhardu@vr-web.de> |
| 3 | |
| 4 | --- |
| 5 | Bug-Debian: https://bugs.debian.org/783082 |
| 6 | Last-Update: 2015-04-28 |
| 7 | |
| 8 | Upstream-Status: Backport [debian] |
| 9 | |
| 10 | Signed-off-by: Robert Yang <liezhi.yang@windriver.com> |
| 11 | |
| 12 | --- gst-libav-1.4.5.orig/gst-libs/ext/libav/libavcodec/h264_cabac.c |
| 13 | +++ gst-libav-1.4.5/gst-libs/ext/libav/libavcodec/h264_cabac.c |
| 14 | @@ -2020,7 +2020,11 @@ decode_intra_mb: |
| 15 | // In deblocking, the quantizer is 0 |
| 16 | h->cur_pic.qscale_table[mb_xy] = 0; |
| 17 | // All coeffs are present |
| 18 | - memset(h->non_zero_count[mb_xy], 16, 48); |
| 19 | + /*memset(h->non_zero_count[mb_xy], 16, 48);*/ |
| 20 | + /* avoiding this memset because it leads at least with gcc4.9.2 to error: 'asm' operand has impossible constraints */ |
| 21 | + for (size_t i = 0; i < 48; i++) { |
| 22 | + ( (unsigned char*)(h->non_zero_count[mb_xy]) ) [i] = 16; |
| 23 | + } |
| 24 | h->cur_pic.mb_type[mb_xy] = mb_type; |
| 25 | h->last_qscale_diff = 0; |
| 26 | return 0; |