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authorStefan Kost <ensonic@users.sourceforge.net>2007-07-18 07:35:32 +0000
committerStefan Kost <ensonic@users.sourceforge.net>2007-07-18 07:35:32 +0000
commitf56adf75ca01d45ef310a7a069d3e26996768d81 (patch)
tree27721501d3de7556acea424b3093f1e0b20f5242 /gst/mve
parent7da951e3d5b4da534b475acc55f6b1bb29991921 (diff)
downloadgstreamer-plugins-bad-f56adf75ca01d45ef310a7a069d3e26996768d81.tar.gz
Add stdlib include (free, atoi, exit).
Original commit message from CVS: * examples/app/appsrc_ex.c: * examples/switch/switcher.c: * ext/neon/gstneonhttpsrc.c: * ext/timidity/gstwildmidi.c: * ext/x264/gstx264enc.c: * gst/mve/mveaudioenc.c: (mve_compress_audio): * gst/rtpmanager/gstrtpclient.c: * gst/rtpmanager/gstrtpjitterbuffer.c: * gst/spectrum/demo-audiotest.c: * gst/spectrum/demo-osssrc.c: * sys/dvb/gstdvbsrc.c: Add stdlib include (free, atoi, exit).
Diffstat (limited to 'gst/mve')
-rw-r--r--gst/mve/mveaudioenc.c121
1 files changed, 77 insertions, 44 deletions
diff --git a/gst/mve/mveaudioenc.c b/gst/mve/mveaudioenc.c
index 47c0a3bdf..e3cf93777 100644
--- a/gst/mve/mveaudioenc.c
+++ b/gst/mve/mveaudioenc.c
@@ -20,37 +20,55 @@
*/
#include <math.h>
+#include <stdlib.h>
#include <gst/gst.h>
-static const gint32 dec_table[256] =
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
- 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, 47, 51, 56, 61, 66, 72, 79, 86, 94, 102, 112,
- 122, 133, 145, 158, 173, 189, 206, 225, 245, 267, 292, 318, 348, 379,
- 414, 452, 493, 538, 587, 640, 699, 763, 832, 908, 991, 1081, 1180, 1288,
+static const gint32 dec_table[256] = {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19,
+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, 47, 51, 56, 61,
+ 66, 72, 79, 86, 94, 102, 112,
+ 122, 133, 145, 158, 173, 189, 206, 225, 245,
+ 267, 292, 318, 348, 379,
+ 414, 452, 493, 538, 587, 640, 699, 763, 832, 908, 991,
+ 1081, 1180, 1288,
1405, 1534, 1673, 1826, 1993, 2175, 2373, 2590, 2826, 3084, 3365, 3672,
- 4008, 4373, 4772, 5208, 5683, 6202, 6767, 7385, 8059, 8794, 9597, 10472,
- 11428, 12471, 13609, 14851, 16206, 17685, 19298, 21060, 22981, 25078,
+ 4008,
+ 4373, 4772, 5208, 5683, 6202, 6767, 7385, 8059, 8794, 9597, 10472,
+ 11428, 12471, 13609, 14851, 16206,
+ 17685, 19298, 21060, 22981, 25078,
27367, 29864, 32589, 35563, 38808, 42350, 46214, 50431, 55033, 60055,
- 65535, 1, -65535, -60055, -55033, -50431, -46214, -42350, -38808, -35563,
- -32589, -29864, -27367, -25078, -22981, -21060, -19298, -17685, -16206,
+ 65535,
+ 1, -65535, -60055, -55033, -50431, -46214, -42350, -38808, -35563,
+ -32589, -29864, -27367, -25078, -22981, -21060, -19298,
+ -17685, -16206,
-14851, -13609, -12471, -11428, -10472, -9597, -8794, -8059, -7385, -6767,
- -6202, -5683, -5208, -4772, -4373, -4008, -3672, -3365, -3084, -2826,
+ -6202, -5683, -5208, -4772,
+ -4373, -4008, -3672, -3365, -3084, -2826,
-2590, -2373, -2175, -1993, -1826, -1673, -1534, -1405, -1288, -1180,
- -1081, -991, -908, -832, -763, -699, -640, -587, -538, -493, -452, -414,
- -379, -348, -318, -292, -267, -245, -225, -206, -189, -173, -158, -145,
- -133, -122, -112, -102, -94, -86, -79, -72, -66, -61, -56, -51, -47, -43,
- -42, -41, -40, -39, -38, -37, -36, -35, -34, -33, -32, -31, -30, -29,
- -28, -27, -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15,
- -14, -13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1
+
+ -1081, -991, -908, -832, -763, -699, -640, -587, -538, -493, -452, -414,
+ -379, -348, -318, -292,
+ -267, -245, -225, -206, -189, -173, -158, -145,
+ -133, -122, -112, -102, -94, -86, -79, -72,
+ -66, -61, -56, -51, -47, -43,
+ -42, -41, -40, -39, -38, -37, -36, -35, -34, -33,
+ -32, -31, -30, -29,
+ -28, -27, -26, -25, -24, -23, -22, -21, -20, -19, -18, -17,
+ -16, -15,
+ -14, -13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1
};
-
-/* This value could be non-optimal. Without knowledge of the value
- distribution in the real signal, the actual optimum cannot be evaluated.
- Should be somewhere between 11.458 and 11.542. */
+
+
+/* This value could be non-optimal. Without knowledge of the value
+ distribution in the real signal, the actual optimum cannot be evaluated.
+ Should be somewhere between 11.458 and 11.542. */
static const gdouble DPCM_SCALE = 11.5131;
- static gint8
+
+static gint8
mve_enc_delta (guint n)
{
if (n < 44)
@@ -81,40 +99,55 @@ mve_compress_audio (guint8 * dest, const guint8 * src, guint16 len,
src += 2;
delta = s - prev[cur_chan];
- if (delta >= 0)
- v = mve_enc_delta (delta);
-
+
+ if (delta >= 0)
+
+ v = mve_enc_delta (delta);
+
else
- v = 256 - mve_enc_delta (-delta);
- real_res = dec_table[v] + prev[cur_chan];
- if (real_res < -32768 || real_res > 32767) {
-
- /* correct overflow */
- /* GST_DEBUG ("co:%d + %d = %d -> new v:%d, dec_table:%d will be %d",
- prev[cur_chan], dec_table[v], real_res,
- v, dec_table[v], prev[cur_chan]+dec_table[v]); */
- if (s > 0) {
- if (real_res > 32767)
+
+ v = 256 - mve_enc_delta (-delta);
+
+
+ real_res = dec_table[v] + prev[cur_chan];
+
+ if (real_res < -32768 || real_res > 32767) {
+
+ /* correct overflow */
+ /* GST_DEBUG ("co:%d + %d = %d -> new v:%d, dec_table:%d will be %d",
+ prev[cur_chan], dec_table[v], real_res,
+ v, dec_table[v], prev[cur_chan]+dec_table[v]); */
+ if (s > 0) {
+
+ if (real_res > 32767)
--v;
- } else {
- if (real_res < -32768)
+
+ } else {
+
+ if (real_res < -32768)
++v;
- }
+
+ }
real_res = dec_table[v] + prev[cur_chan];
- }
+
+ }
if (G_UNLIKELY (abs (real_res - s) > 32767)) {
GST_ERROR ("sign loss left unfixed in audio stream, deviation:%d",
real_res - s);
return -1;
}
- *dest++ = v;
- --len;
- /* use previous output instead of input. That way output will not go too far from input. */
- prev[cur_chan] += dec_table[v];
+
+
+ *dest++ = v;
+
+ --len;
+ /* use previous output instead of input. That way output will not go too far from input. */
+ prev[cur_chan] += dec_table[v];
cur_chan = channels - 1 - cur_chan;
- }
+
+ }
return 0;
}