making act segmenter

1 files changed, 0 insertions, 190 deletions

diff --git a/ffmpeg1/libavcodec/mpeg4audio.c b/ffmpeg1/libavcodec/mpeg4audio.c
deleted file mode 100644
index 68448e6..0000000
--- a/ffmpeg1/libavcodec/mpeg4audio.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * MPEG-4 Audio common code
- * Copyright (c) 2008 Baptiste Coudurier <baptiste.coudurier@free.fr>
- * Copyright (c) 2009 Alex Converse <alex.converse@gmail.com>
- *
- * 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
- */
-
-#include "get_bits.h"
-#include "put_bits.h"
-#include "mpeg4audio.h"
-
-/**
- * Parse MPEG-4 audio configuration for ALS object type.
- * @param[in] gb       bit reader context
- * @param[in] c        MPEG4AudioConfig structure to fill
- * @return on success 0 is returned, otherwise a value < 0
- */
-static int parse_config_ALS(GetBitContext *gb, MPEG4AudioConfig *c)
-{
-    if (get_bits_left(gb) < 112)
-        return -1;
-
-    if (get_bits_long(gb, 32) != MKBETAG('A','L','S','\0'))
-        return -1;
-
-    // override AudioSpecificConfig channel configuration and sample rate
-    // which are buggy in old ALS conformance files
-    c->sample_rate = get_bits_long(gb, 32);
-
-    // skip number of samples
-    skip_bits_long(gb, 32);
-
-    // read number of channels
-    c->chan_config = 0;
-    c->channels    = get_bits(gb, 16) + 1;
-
-    return 0;
-}
-
-/* XXX: make sure to update the copies in the different encoders if you change
- * this table */
-const int avpriv_mpeg4audio_sample_rates[16] = {
-    96000, 88200, 64000, 48000, 44100, 32000,
-    24000, 22050, 16000, 12000, 11025, 8000, 7350
-};
-
-const uint8_t ff_mpeg4audio_channels[8] = {
-    0, 1, 2, 3, 4, 5, 6, 8
-};
-
-static inline int get_object_type(GetBitContext *gb)
-{
-    int object_type = get_bits(gb, 5);
-    if (object_type == AOT_ESCAPE)
-        object_type = 32 + get_bits(gb, 6);
-    return object_type;
-}
-
-static inline int get_sample_rate(GetBitContext *gb, int *index)
-{
-    *index = get_bits(gb, 4);
-    return *index == 0x0f ? get_bits(gb, 24) :
-        avpriv_mpeg4audio_sample_rates[*index];
-}
-
-int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf,
-                                 int bit_size, int sync_extension)
-{
-    GetBitContext gb;
-    int specific_config_bitindex;
-
-    if (bit_size <= 0 || init_get_bits(&gb, buf, bit_size) < 0)
-        return AVERROR_INVALIDDATA;
-    c->object_type = get_object_type(&gb);
-    c->sample_rate = get_sample_rate(&gb, &c->sampling_index);
-    c->chan_config = get_bits(&gb, 4);
-    if (c->chan_config < FF_ARRAY_ELEMS(ff_mpeg4audio_channels))
-        c->channels = ff_mpeg4audio_channels[c->chan_config];
-    c->sbr = -1;
-    c->ps  = -1;
-    if (c->object_type == AOT_SBR || (c->object_type == AOT_PS &&
-        // check for W6132 Annex YYYY draft MP3onMP4
-        !(show_bits(&gb, 3) & 0x03 && !(show_bits(&gb, 9) & 0x3F)))) {
-        if (c->object_type == AOT_PS)
-            c->ps = 1;
-        c->ext_object_type = AOT_SBR;
-        c->sbr = 1;
-        c->ext_sample_rate = get_sample_rate(&gb, &c->ext_sampling_index);
-        c->object_type = get_object_type(&gb);
-        if (c->object_type == AOT_ER_BSAC)
-            c->ext_chan_config = get_bits(&gb, 4);
-    } else {
-        c->ext_object_type = AOT_NULL;
-        c->ext_sample_rate = 0;
-    }
-    specific_config_bitindex = get_bits_count(&gb);
-
-    if (c->object_type == AOT_ALS) {
-        skip_bits(&gb, 5);
-        if (show_bits_long(&gb, 24) != MKBETAG('\0','A','L','S'))
-            skip_bits_long(&gb, 24);
-
-        specific_config_bitindex = get_bits_count(&gb);
-
-        if (parse_config_ALS(&gb, c))
-            return -1;
-    }
-
-    if (c->ext_object_type != AOT_SBR && sync_extension) {
-        while (get_bits_left(&gb) > 15) {
-            if (show_bits(&gb, 11) == 0x2b7) { // sync extension
-                get_bits(&gb, 11);
-                c->ext_object_type = get_object_type(&gb);
-                if (c->ext_object_type == AOT_SBR && (c->sbr = get_bits1(&gb)) == 1) {
-                    c->ext_sample_rate = get_sample_rate(&gb, &c->ext_sampling_index);
-                    if (c->ext_sample_rate == c->sample_rate)
-                        c->sbr = -1;
-                }
-                if (get_bits_left(&gb) > 11 && get_bits(&gb, 11) == 0x548)
-                    c->ps = get_bits1(&gb);
-                break;
-            } else
-                get_bits1(&gb); // skip 1 bit
-        }
-    }
-
-    //PS requires SBR
-    if (!c->sbr)
-        c->ps = 0;
-    //Limit implicit PS to the HE-AACv2 Profile
-    if ((c->ps == -1 && c->object_type != AOT_AAC_LC) || c->channels & ~0x01)
-        c->ps = 0;
-
-    return specific_config_bitindex;
-}
-
-static av_always_inline unsigned int copy_bits(PutBitContext *pb,
-                                               GetBitContext *gb,
-                                               int bits)
-{
-    unsigned int el = get_bits(gb, bits);
-    put_bits(pb, bits, el);
-    return el;
-}
-
-int avpriv_copy_pce_data(PutBitContext *pb, GetBitContext *gb)
-{
-    int five_bit_ch, four_bit_ch, comment_size, bits;
-    int offset = put_bits_count(pb);
-
-    copy_bits(pb, gb, 10);                  //Tag, Object Type, Frequency
-    five_bit_ch  = copy_bits(pb, gb, 4);    //Front
-    five_bit_ch += copy_bits(pb, gb, 4);    //Side
-    five_bit_ch += copy_bits(pb, gb, 4);    //Back
-    four_bit_ch  = copy_bits(pb, gb, 2);    //LFE
-    four_bit_ch += copy_bits(pb, gb, 3);    //Data
-    five_bit_ch += copy_bits(pb, gb, 4);    //Coupling
-    if (copy_bits(pb, gb, 1))               //Mono Mixdown
-        copy_bits(pb, gb, 4);
-    if (copy_bits(pb, gb, 1))               //Stereo Mixdown
-        copy_bits(pb, gb, 4);
-    if (copy_bits(pb, gb, 1))               //Matrix Mixdown
-        copy_bits(pb, gb, 3);
-    for (bits = five_bit_ch*5+four_bit_ch*4; bits > 16; bits -= 16)
-        copy_bits(pb, gb, 16);
-    if (bits)
-        copy_bits(pb, gb, bits);
-    avpriv_align_put_bits(pb);
-    align_get_bits(gb);
-    comment_size = copy_bits(pb, gb, 8);
-    for (; comment_size > 0; comment_size--)
-        copy_bits(pb, gb, 8);
-
-    return put_bits_count(pb) - offset;
-}