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| author | Stephen Torri <storri@users.sourceforge.net> | 2004-03-17 17:03:26 +0000 |
|---|---|---|
| committer | Stephen Torri <storri@users.sourceforge.net> | 2004-03-17 17:03:26 +0000 |
| commit | 93a7ebc4f4f5c3b4086f9e23fb508963ff123dd7 (patch) | |
| tree | 583519c14685612cdcad844c5c8109794840ed14 /src/libffmpeg/dvaudio_decoder.c | |
| parent | 103a70530fa72e749648ac8b9e0b0450c24efd12 (diff) | |
| download | xine-lib-93a7ebc4f4f5c3b4086f9e23fb508963ff123dd7.tar.gz xine-lib-93a7ebc4f4f5c3b4086f9e23fb508963ff123dd7.tar.bz2 | |
Patch from Bill Fink to fix DV audio endianness problem for big-endian
systems. The problem was little-endian systems were doing byte
swapping which big-endian systems do not need to do.
CVS patchset: 6282
CVS date: 2004/03/17 17:03:26
Diffstat (limited to 'src/libffmpeg/dvaudio_decoder.c')
| -rw-r--r-- | src/libffmpeg/dvaudio_decoder.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/src/libffmpeg/dvaudio_decoder.c b/src/libffmpeg/dvaudio_decoder.c index 1fb097a9c..56538d2e1 100644 --- a/src/libffmpeg/dvaudio_decoder.c +++ b/src/libffmpeg/dvaudio_decoder.c @@ -17,7 +17,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * - * $Id: dvaudio_decoder.c,v 1.1 2004/03/16 23:31:30 jstembridge Exp $ + * $Id: dvaudio_decoder.c,v 1.2 2004/03/17 17:03:26 storri Exp $ * * dv audio decoder based on patch by Dan Dennedy <dan@dennedy.org> * @@ -202,8 +202,13 @@ static int dv_extract_audio(uint8_t* frame, uint8_t* pcm, uint8_t* pcm2) if (of*2 >= size) continue; - pcm[of*2] = frame[d+1]; // FIXME: may be we have to admit - pcm[of*2+1] = frame[d]; // that DV is a big endian PCM +#ifdef WORDS_BIGENDIAN + pcm[of*2] = frame[d]; + pcm[of*2+1] = frame[d+1]; +#else + pcm[of*2] = frame[d+1]; + pcm[of*2+1] = frame[d]; +#endif if (pcm[of*2+1] == 0x80 && pcm[of*2] == 0x00) pcm[of*2+1] = 0; } else { /* 12bit quantization */ @@ -218,12 +223,22 @@ static int dv_extract_audio(uint8_t* frame, uint8_t* pcm, uint8_t* pcm2) if (of*2 >= size) continue; - pcm[of*2] = lc & 0xff; // FIXME: may be we have to admit - pcm[of*2+1] = lc >> 8; // that DV is a big endian PCM +#ifdef WORDS_BIGENDIAN + pcm[of*2] = lc >> 8; + pcm[of*2+1] = lc & 0xff; +#else + pcm[of*2] = lc & 0xff; + pcm[of*2+1] = lc >> 8; +#endif of = sys->audio_shuffle[i%half_ch+half_ch][j] + (d - 8)/3 * sys->audio_stride; - pcm[of*2] = rc & 0xff; // FIXME: may be we have to admit - pcm[of*2+1] = rc >> 8; // that DV is a big endian PCM +#ifdef WORDS_BIGENDIAN + pcm[of*2] = rc >> 8; + pcm[of*2+1] = rc & 0xff; +#else + pcm[of*2] = rc & 0xff; + pcm[of*2+1] = rc >> 8; +#endif ++d; } } |