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author | Michael Niedermayer <michaelni@gmx.at> | 2012-08-10 18:19:23 +0400 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2012-08-10 18:25:23 +0400 |
commit | 18b0c39f99eee508107c47345494e535b8757434 (patch) | |
tree | b1418e52aab2f1fb8a171c3bb3fada3c7b0df531 /libavcodec/g723_1.c | |
parent | d9d0c1ccc3df39fecbbbb6b600c18542741c5a51 (diff) | |
parent | 05c36e0e5fbf0b75dbbbd327ad2f6a62992f9262 (diff) |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
g723.1: fix addition overflow
g723.1: simplify and fix multiplication overflow
g723.1: deobfuscate an expression
g723.1: remove unused #includes
ARM: add missing "cc" clobber in av_clipl_int32_arm()
rtmp: Factorize the code by adding handle_invoke_error
rtmp: Factorize the code by adding handle_invoke_status
rtmp: Factorize the code by adding handle_invoke_result
libavutil: remove unused av_abort() macro
ffmenc: replace if/abort with assert()
libavutil: drop offsetof() fallback definition
libavutil: drop fallback definitions of INTxx_MIN/MAX
configure: Check for a sctp struct instead of just the header
configure: suncc: Add -xc99 to dependency flags, required on Solaris
doxygen: Fix function parameter names to match the code
doc: Drop obsolete shared libs cflags hint to workaround Cygwin gcc bugs
swf: Move shared table out of the header file
swf: Move swf_audio_codec_tags table to the only place it is used
fate: add G.723.1 decoder tests
Conflicts:
configure
doc/platform.texi
libavformat/Makefile
libavutil/arm/intmath.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/g723_1.c')
-rw-r--r-- | libavcodec/g723_1.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/libavcodec/g723_1.c b/libavcodec/g723_1.c index dcf285db1e..c4016f8112 100644 --- a/libavcodec/g723_1.c +++ b/libavcodec/g723_1.c @@ -35,7 +35,6 @@ #include "acelp_vectors.h" #include "celp_filters.h" #include "celp_math.h" -#include "lsp.h" #include "g723_1_data.h" typedef struct g723_1_context { @@ -924,7 +923,7 @@ static void formant_postfilter(G723_1_Context *p, int16_t *lpc, int16_t *buf) signal_ptr = filter_signal + LPC_ORDER; for (i = 0; i < SUBFRAMES; i++) { int16_t temp_vector[SUBFRAME_LEN]; - int16_t temp; + int temp; int auto_corr[2]; int scale, energy; @@ -943,13 +942,12 @@ static void formant_postfilter(G723_1_Context *p, int16_t *lpc, int16_t *buf) if (temp) { temp = (auto_corr[0] >> 2) / temp; } - p->reflection_coef = ((p->reflection_coef << 2) - p->reflection_coef + - temp + 2) >> 2; - temp = (p->reflection_coef * 0xffffc >> 3) & 0xfffc; + p->reflection_coef = (3 * p->reflection_coef + temp + 2) >> 2; + temp = -p->reflection_coef >> 1 & ~3; /* Compensation filter */ for (j = 0; j < SUBFRAME_LEN; j++) { - buf_ptr[j] = av_clipl_int32(signal_ptr[j] + + buf_ptr[j] = av_clipl_int32((int64_t)signal_ptr[j] + ((signal_ptr[j - 1] >> 16) * temp << 1)) >> 16; } |