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| author | Torsten Jager <t.jager@gmx.de> | 2015-03-06 19:48:50 +0100 |
|---|---|---|
| committer | Torsten Jager <t.jager@gmx.de> | 2015-03-06 19:48:50 +0100 |
| commit | 965c0ed960d6cf2acf4bdfed6eb9389be101eab3 (patch) | |
| tree | 524db4b25040e69acc3bf2c8006430463979f22b /src/demuxers | |
| parent | e386bf7cd43aea41f7c32a17a335c53539cec4f6 (diff) | |
| download | xine-lib-965c0ed960d6cf2acf4bdfed6eb9389be101eab3.tar.gz xine-lib-965c0ed960d6cf2acf4bdfed6eb9389be101eab3.tar.bz2 | |
More fast unaligned integer hacks.
Taken from my private "TJtools" project.
Diffstat (limited to 'src/demuxers')
| -rw-r--r-- | src/demuxers/demux_flv.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/demuxers/demux_flv.c b/src/demuxers/demux_flv.c index 988d7938f..5c3eefe69 100644 --- a/src/demuxers/demux_flv.c +++ b/src/demuxers/demux_flv.c @@ -111,6 +111,17 @@ typedef struct { limited clip duration to 4:39:37.215. The backwards compatible solution: hand over 1 byte from stream ID. Hence the weird byte order 2-1-0-3 */ #define gettimestamp(p,o) (((((((uint32_t)p[o+3]<<8)|p[o])<<8)|p[o+1])<<8)|p[o+2]) +#if defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ > 3)) || defined(__clang__) +#if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__) +#undef gettimestamp +#define gettimestamp(p,o) ({ \ + uint32_t tempi; \ + __builtin_memcpy (&tempi, (p + o), 4); \ + __asm__ __volatile__ ("bswapl\t%0\n\trorl\t$8, %0" : "=r" (tempi) : "0" (tempi) : "cc"); \ + tempi; \ +}) +#endif +#endif #define FLV_FLAG_HAS_VIDEO 0x01 #define FLV_FLAG_HAS_AUDIO 0x04 |