making act segmenter

1 files changed, 0 insertions, 168 deletions

diff --git a/ffmpeg1/libavcodec/ac3enc_float.c b/ffmpeg1/libavcodec/ac3enc_float.c
deleted file mode 100644
index 7864f41..0000000
--- a/ffmpeg1/libavcodec/ac3enc_float.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * The simplest AC-3 encoder
- * Copyright (c) 2000 Fabrice Bellard
- * Copyright (c) 2006-2010 Justin Ruggles <justin.ruggles@gmail.com>
- * Copyright (c) 2006-2010 Prakash Punnoor <prakash@punnoor.de>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * floating-point AC-3 encoder.
- */
-
-#define CONFIG_AC3ENC_FLOAT 1
-#include "internal.h"
-#include "ac3enc.h"
-#include "eac3enc.h"
-#include "kbdwin.h"
-
-
-#if CONFIG_AC3_ENCODER
-#define AC3ENC_TYPE AC3ENC_TYPE_AC3
-#include "ac3enc_opts_template.c"
-static const AVClass ac3enc_class = {
-    .class_name = "AC-3 Encoder",
-    .item_name  = av_default_item_name,
-    .option     = ac3_options,
-    .version    = LIBAVUTIL_VERSION_INT,
-};
-#endif
-
-#include "ac3enc_template.c"
-
-
-/**
- * Finalize MDCT and free allocated memory.
- *
- * @param s  AC-3 encoder private context
- */
-av_cold void ff_ac3_float_mdct_end(AC3EncodeContext *s)
-{
-    ff_mdct_end(&s->mdct);
-    av_freep(&s->mdct_window);
-}
-
-
-/**
- * Initialize MDCT tables.
- *
- * @param s  AC-3 encoder private context
- * @return   0 on success, negative error code on failure
- */
-av_cold int ff_ac3_float_mdct_init(AC3EncodeContext *s)
-{
-    float *window;
-    int i, n, n2;
-
-    n  = 1 << 9;
-    n2 = n >> 1;
-
-    window = av_malloc(n * sizeof(*window));
-    if (!window) {
-        av_log(s->avctx, AV_LOG_ERROR, "Cannot allocate memory.\n");
-        return AVERROR(ENOMEM);
-    }
-    ff_kbd_window_init(window, 5.0, n2);
-    for (i = 0; i < n2; i++)
-        window[n-1-i] = window[i];
-    s->mdct_window = window;
-
-    return ff_mdct_init(&s->mdct, 9, 0, -2.0 / n);
-}
-
-
-/*
- * Apply KBD window to input samples prior to MDCT.
- */
-static void apply_window(void *dsp, float *output,
-                         const float *input, const float *window,
-                         unsigned int len)
-{
-    AVFloatDSPContext *fdsp = dsp;
-    fdsp->vector_fmul(output, input, window, len);
-}
-
-
-/*
- * Normalize the input samples.
- * Not needed for the floating-point encoder.
- */
-static int normalize_samples(AC3EncodeContext *s)
-{
-    return 0;
-}
-
-
-/*
- * Scale MDCT coefficients from float to 24-bit fixed-point.
- */
-static void scale_coefficients(AC3EncodeContext *s)
-{
-    int chan_size = AC3_MAX_COEFS * s->num_blocks;
-    int cpl       = s->cpl_on;
-    s->ac3dsp.float_to_fixed24(s->fixed_coef_buffer + (chan_size * !cpl),
-                               s->mdct_coef_buffer  + (chan_size * !cpl),
-                               chan_size * (s->channels + cpl));
-}
-
-static void sum_square_butterfly(AC3EncodeContext *s, float sum[4],
-                                 const float *coef0, const float *coef1,
-                                 int len)
-{
-    s->ac3dsp.sum_square_butterfly_float(sum, coef0, coef1, len);
-}
-
-/*
- * Clip MDCT coefficients to allowable range.
- */
-static void clip_coefficients(DSPContext *dsp, float *coef, unsigned int len)
-{
-    dsp->vector_clipf(coef, coef, COEF_MIN, COEF_MAX, len);
-}
-
-
-/*
- * Calculate a single coupling coordinate.
- */
-static CoefType calc_cpl_coord(CoefSumType energy_ch, CoefSumType energy_cpl)
-{
-    float coord = 0.125;
-    if (energy_cpl > 0)
-        coord *= sqrtf(energy_ch / energy_cpl);
-    return FFMIN(coord, COEF_MAX);
-}
-
-
-#if CONFIG_AC3_ENCODER
-AVCodec ff_ac3_encoder = {
-    .name            = "ac3",
-    .type            = AVMEDIA_TYPE_AUDIO,
-    .id              = AV_CODEC_ID_AC3,
-    .priv_data_size  = sizeof(AC3EncodeContext),
-    .init            = ff_ac3_encode_init,
-    .encode2         = ff_ac3_float_encode_frame,
-    .close           = ff_ac3_encode_close,
-    .sample_fmts     = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLTP,
-                                                      AV_SAMPLE_FMT_NONE },
-    .long_name       = NULL_IF_CONFIG_SMALL("ATSC A/52A (AC-3)"),
-    .priv_class      = &ac3enc_class,
-    .channel_layouts = ff_ac3_channel_layouts,
-    .defaults        = ac3_defaults,
-};
-#endif