diff options
| author | Mans Rullgard <mans@mansr.com> | 2011-05-09 12:40:37 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2011-05-09 17:30:12 +0100 |
| commit | 6bb6fb05ba66ce42ca17c930d81d3e9cf37ab34d (patch) | |
| tree | 433c4710c06a66d1284806bd7989b3b8697a2406 /libavcodec/mpegaudiodec.c | |
| parent | ed87375dd555a1e7798dcd56c967af0171525a26 (diff) | |
mpegaudio: remove CONFIG_MPEGAUDIO_HP option
The low quality mode is off by default and never tested. The high
quality mode is also plenty fast enough.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/mpegaudiodec.c')
| -rw-r--r-- | libavcodec/mpegaudiodec.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c index 024d618502..c18d7525f4 100644 --- a/libavcodec/mpegaudiodec.c +++ b/libavcodec/mpegaudiodec.c @@ -31,7 +31,6 @@ /* * TODO: - * - in low precision mode, use more 16 bit multiplies in synth filter * - test lsf / mpeg25 extensively. */ @@ -540,24 +539,6 @@ static inline float round_sample(float *sum) #define MLSS(rt, ra, rb) rt-=(ra)*(rb) -#elif FRAC_BITS <= 15 - -static inline int round_sample(int *sum) -{ - int sum1; - sum1 = (*sum) >> OUT_SHIFT; - *sum &= (1<<OUT_SHIFT)-1; - return av_clip(sum1, OUT_MIN, OUT_MAX); -} - -/* signed 16x16 -> 32 multiply add accumulate */ -#define MACS(rt, ra, rb) MAC16(rt, ra, rb) - -/* signed 16x16 -> 32 multiply */ -#define MULS(ra, rb) MUL16(ra, rb) - -#define MLSS(rt, ra, rb) MLS16(rt, ra, rb) - #else static inline int round_sample(int64_t *sum) @@ -624,8 +605,6 @@ void av_cold RENAME(ff_mpa_synth_init)(MPA_INT *window) v = ff_mpa_enwindow[i]; #if CONFIG_FLOAT v *= 1.0 / (1LL<<(16 + FRAC_BITS)); -#elif WFRAC_BITS < 16 - v = (v + (1 << (16 - WFRAC_BITS - 1))) >> (16 - WFRAC_BITS); #endif window[i] = v; if ((i & 63) != 0) @@ -652,8 +631,6 @@ static void apply_window_mp3_c(MPA_INT *synth_buf, MPA_INT *window, OUT_INT *samples2; #if CONFIG_FLOAT float sum, sum2; -#elif FRAC_BITS <= 15 - int sum, sum2; #else int64_t sum, sum2; #endif @@ -710,25 +687,11 @@ void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset, { register MPA_INT *synth_buf; int offset; -#if FRAC_BITS <= 15 - int32_t tmp[32]; - int j; -#endif offset = *synth_buf_offset; synth_buf = synth_buf_ptr + offset; -#if FRAC_BITS <= 15 - dct32(tmp, sb_samples); - for(j=0;j<32;j++) { - /* NOTE: can cause a loss in precision if very high amplitude - sound */ - synth_buf[j] = av_clip_int16(tmp[j]); - } -#else dct32(synth_buf, sb_samples); -#endif - apply_window_mp3_c(synth_buf, window, dither_state, samples, incr); offset = (offset - 32) & 511; |