mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-04-26 06:54:49 +00:00
Code Issues 1 Projects Releases Wiki Activity

gst/audioconvert/gstaudioconvert.c: make float=>int conversion work correctly even in cornercases.

Browse source 
Original commit message from CVS:
2004-03-05  Benjamin Otte  <otte@gnome.org>

* gst/audioconvert/gstaudioconvert.c:
(gst_audio_convert_buffer_to_default_format):
make float=>int conversion work correctly even in cornercases.
This commit is contained in:
Benjamin Otte 2004-03-04 23:30:29 +00:00
parent 53e241ccd4
commit 02c11b879e
2 changed files with 27 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
ChangeLog
View file

@ -1,3 +1,9 @@
2004-03-05 Benjamin Otte <otte@gnome.org>
* gst/audioconvert/gstaudioconvert.c:
(gst_audio_convert_buffer_to_default_format):
make float=>int conversion work correctly even in cornercases.
2004-03-04 David I. Lehn <dlehn@users.sourceforge.net> 2004-03-04 David I. Lehn <dlehn@users.sourceforge.net>
* debian/README.Debian: * debian/README.Debian:
@ -100,7 +106,8 @@
2004-04-03 Christian Schaller <Uraeus@gnome.org> 2004-04-03 Christian Schaller <Uraeus@gnome.org>
* gst-plugins.spec.in: * gst-plugins.spec.in:
Change names of plugins to actually be correct. Try to keep things alphabetical to avoid getting beat up by Thomas Change names of plugins to actually be correct. Try to keep things
alphabetical to avoid getting beat up by Thomas
2004-03-03 Julien MOUTTE <julien@moutte.net> 2004-03-03 Julien MOUTTE <julien@moutte.net>

36
gst/audioconvert/gstaudioconvert.c
View file

@ -25,7 +25,6 @@
#endif #endif
#include <gst/gst.h> #include <gst/gst.h>
#include <gst/floatcast/floatcast.h>
#include <string.h> #include <string.h>
GST_DEBUG_CATEGORY_STATIC (audio_convert_debug); GST_DEBUG_CATEGORY_STATIC (audio_convert_debug);
@ -136,20 +135,19 @@ GST_STATIC_PAD_TEMPLATE (
GST_PAD_SRC, GST_PAD_SRC,
GST_PAD_ALWAYS, GST_PAD_ALWAYS,
GST_STATIC_CAPS ( GST_STATIC_CAPS (
"audio/x-raw-int, " \ "audio/x-raw-int, "
"rate = (int) [ 1, MAX ], " \ "rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], " \ "channels = (int) [ 1, MAX ], "
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \ "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, "
"width = (int) { 8, 16, 32 }, " \ "width = (int) { 8, 16, 32 }, "
"depth = (int) [ 1, 32 ], " \ "depth = (int) [ 1, 32 ], "
"signed = (boolean) { true, false }; " "signed = (boolean) { true, false }; "
"audio/x-raw-float, "
"audio/x-raw-float, " \ "rate = (int) [ 1, MAX ], "
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], " "endianness = (int) BYTE_ORDER, "
"endianness = (int) BYTE_ORDER, " "width = (int) 32, "
"width = (int) 32, " "buffer-frames = (int) [ 0, MAX ]"
"buffer-frames = (int) [ 0, MAX ]"
) )
); );
@ -666,8 +664,12 @@ gst_audio_convert_buffer_to_default_format (GstAudioConvert *this, GstBuffer *bu
in = (gfloat*)GST_BUFFER_DATA (buf); in = (gfloat*)GST_BUFFER_DATA (buf);
out = (gint32*)GST_BUFFER_DATA (ret); out = (gint32*)GST_BUFFER_DATA (ret);
/* increment `in' via the for, cause CLAMP duplicates the first arg */ /* increment `in' via the for, cause CLAMP duplicates the first arg */
for (i = buf->size / sizeof(float); i; i--, in++) for (i = buf->size / sizeof(float); i > 0; i--) {
*(out++) = (gint32) gst_cast_float(CLAMP (*in, -1.f, 1.f) * 2147483647.0F); *in *= 2147483647.0f + .5;
*out = (gint32) CLAMP ((gint64) *in, -2147483648ll, 2147483647ll);
out++;
in++;
}
} }
gst_buffer_unref (buf); gst_buffer_unref (buf);