diff options
| author | Guenter Bartsch <guenter@users.sourceforge.net> | 2002-12-01 01:32:47 +0000 |
|---|---|---|
| committer | Guenter Bartsch <guenter@users.sourceforge.net> | 2002-12-01 01:32:47 +0000 |
| commit | 9b561addeea4c326137b807f5b8dc1e6aa3ce907 (patch) | |
| tree | ec13ec928453efe07faece3d538bcc0474c16931 | |
| parent | d876b1ec4f633e62c26491543a4fd3372f78f9cf (diff) | |
| download | xine-lib-9b561addeea4c326137b807f5b8dc1e6aa3ce907.tar.gz xine-lib-9b561addeea4c326137b807f5b8dc1e6aa3ce907.tar.bz2 | |
avoid overflow
CVS patchset: 3394
CVS date: 2002/12/01 01:32:47
| -rw-r--r-- | src/xine-engine/audio_out.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/xine-engine/audio_out.c b/src/xine-engine/audio_out.c index 935e8b671..88359229f 100644 --- a/src/xine-engine/audio_out.c +++ b/src/xine-engine/audio_out.c @@ -17,7 +17,7 @@ * along with self program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * - * $Id: audio_out.c,v 1.85 2002/11/30 22:09:42 miguelfreitas Exp $ + * $Id: audio_out.c,v 1.86 2002/12/01 01:32:47 guenter Exp $ * * 22-8-2001 James imported some useful AC3 sections from the previous alsa driver. * (c) 2001 Andy Lo A Foe <andy@alsaplayer.org> @@ -341,7 +341,8 @@ static void audio_filter_compress (xine_audio_port_t *this, int16_t *mem, int nu if (this->compression_factor > this->compression_factor_max) this->compression_factor = this->compression_factor_max; - } + } else + f_max = 1.0; #ifdef LOG printf ("audio_out: max=%d f_max=%f compression_factor=%f\n", @@ -350,8 +351,12 @@ static void audio_filter_compress (xine_audio_port_t *this, int16_t *mem, int nu /* apply it */ - for (i=0; i<num_frames*num_channels; i++) - mem [i] = mem[i] * this->compression_factor; + for (i=0; i<num_frames*num_channels; i++) { + + /* 0.98 to avoid overflow */ + + mem[i] = mem[i] * 0.98 * this->compression_factor; + } } static audio_buffer_t* prepare_samples( xine_audio_port_t *this, audio_buffer_t *buf) { |