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author | Young Han Lee <cpumaker@gmail.com> | 2011-02-18 09:33:11 +0900 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-03-08 02:09:33 +0100 |
commit | 5e06b02005265d8c862e7c6ee3c6f1d0a5bd8c4d (patch) | |
tree | dd7f143714725659209cb89592a80d3d90399068 /libavcodec/aacenc.c | |
parent | c0fd48a7021922a0c4072a6bafe00f4ae6316e02 (diff) | |
download | ffmpeg-streaming-5e06b02005265d8c862e7c6ee3c6f1d0a5bd8c4d.zip ffmpeg-streaming-5e06b02005265d8c862e7c6ee3c6f1d0a5bd8c4d.tar.gz |
aacenc: remove the data arrays
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
(cherry picked from commit 2790d7a9ffbd51f33e5367a31ace5c44c30401a1)
Diffstat (limited to 'libavcodec/aacenc.c')
-rw-r--r-- | libavcodec/aacenc.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c index 50dab1c..17ae6f9 100644 --- a/libavcodec/aacenc.c +++ b/libavcodec/aacenc.c @@ -225,40 +225,41 @@ static void apply_window_and_mdct(AVCodecContext *avctx, AACEncContext *s, const float * lwindow = sce->ics.use_kb_window[0] ? ff_aac_kbd_long_1024 : ff_sine_1024; const float * swindow = sce->ics.use_kb_window[0] ? ff_aac_kbd_short_128 : ff_sine_128; const float * pwindow = sce->ics.use_kb_window[1] ? ff_aac_kbd_short_128 : ff_sine_128; + float *output = sce->ret; if (sce->ics.window_sequence[0] != EIGHT_SHORT_SEQUENCE) { - memcpy(s->output, sce->saved, sizeof(float)*1024); + memcpy(output, sce->saved, sizeof(float)*1024); if (sce->ics.window_sequence[0] == LONG_STOP_SEQUENCE) { - memset(s->output, 0, sizeof(s->output[0]) * 448); + memset(output, 0, sizeof(output[0]) * 448); for (i = 448; i < 576; i++) - s->output[i] = sce->saved[i] * pwindow[i - 448]; + output[i] = sce->saved[i] * pwindow[i - 448]; for (i = 576; i < 704; i++) - s->output[i] = sce->saved[i]; + output[i] = sce->saved[i]; } if (sce->ics.window_sequence[0] != LONG_START_SEQUENCE) { for (i = 0; i < 1024; i++) { - s->output[i+1024] = audio[i * chans] * lwindow[1024 - i - 1]; + output[i+1024] = audio[i * chans] * lwindow[1024 - i - 1]; sce->saved[i] = audio[i * chans] * lwindow[i]; } } else { for (i = 0; i < 448; i++) - s->output[i+1024] = audio[i * chans]; + output[i+1024] = audio[i * chans]; for (; i < 576; i++) - s->output[i+1024] = audio[i * chans] * swindow[576 - i - 1]; - memset(s->output+1024+576, 0, sizeof(s->output[0]) * 448); + output[i+1024] = audio[i * chans] * swindow[576 - i - 1]; + memset(output+1024+576, 0, sizeof(output[0]) * 448); for (i = 0; i < 1024; i++) sce->saved[i] = audio[i * chans]; } - ff_mdct_calc(&s->mdct1024, sce->coeffs, s->output); + ff_mdct_calc(&s->mdct1024, sce->coeffs, output); } else { for (k = 0; k < 1024; k += 128) { for (i = 448 + k; i < 448 + k + 256; i++) - s->output[i - 448 - k] = (i < 1024) + output[i - 448 - k] = (i < 1024) ? sce->saved[i] : audio[(i-1024)*chans]; - s->dsp.vector_fmul (s->output, s->output, k ? swindow : pwindow, 128); - s->dsp.vector_fmul_reverse(s->output+128, s->output+128, swindow, 128); - ff_mdct_calc(&s->mdct128, sce->coeffs + k, s->output); + s->dsp.vector_fmul (output, output, k ? swindow : pwindow, 128); + s->dsp.vector_fmul_reverse(output+128, output+128, swindow, 128); + ff_mdct_calc(&s->mdct128, sce->coeffs + k, output); } for (i = 0; i < 1024; i++) sce->saved[i] = audio[i * chans]; @@ -597,6 +598,7 @@ static int aac_encode_frame(AVCodecContext *avctx, } for (j = 0; j < chans; j++) { s->cur_channel = start_ch + j; + s->scoefs = cpe->ch[j].ret; encode_individual_channel(avctx, s, &cpe->ch[j], cpe->common_window); } start_ch += chans; |