diff options
Diffstat (limited to 'faad2/src/common/mp4ff/mp4sample.c')
| -rw-r--r-- | faad2/src/common/mp4ff/mp4sample.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/faad2/src/common/mp4ff/mp4sample.c b/faad2/src/common/mp4ff/mp4sample.c deleted file mode 100644 index 5bed06e..0000000 --- a/faad2/src/common/mp4ff/mp4sample.c +++ /dev/null @@ -1,155 +0,0 @@ -/*
-** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
-** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com
-**
-** This program is free software; you can redistribute it and/or modify
-** it under the terms of the GNU General Public License as published by
-** the Free Software Foundation; either version 2 of the License, or
-** (at your option) any later version.
-**
-** This program 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 General Public License for more details.
-**
-** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
-** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-**
-** Any non-GPL usage of this software or parts of this software is strictly
-** forbidden.
-**
-** The "appropriate copyright message" mentioned in section 2c of the GPLv2
-** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com"
-**
-** Commercial non-GPL licensing of this software is possible.
-** For more info contact Nero AG through Mpeg4AAClicense@nero.com.
-**
-** $Id: mp4sample.c,v 1.20 2007/11/01 12:33:29 menno Exp $
-**/
-
-#include <stdlib.h>
-#include "mp4ffint.h"
-
-
-static int32_t mp4ff_chunk_of_sample(const mp4ff_t *f, const int32_t track, const int32_t sample,
- int32_t *chunk_sample, int32_t *chunk)
-{
- int32_t total_entries = 0;
- int32_t chunk2entry;
- int32_t chunk1, chunk2, chunk1samples, range_samples, total = 0;
-
- if (f->track[track] == NULL)
- {
- return -1;
- }
-
- total_entries = f->track[track]->stsc_entry_count;
-
- chunk1 = 1;
- chunk1samples = 0;
- chunk2entry = 0;
-
- do
- {
- chunk2 = f->track[track]->stsc_first_chunk[chunk2entry];
- *chunk = chunk2 - chunk1;
- range_samples = *chunk * chunk1samples;
-
- if (sample < total + range_samples) break;
-
- chunk1samples = f->track[track]->stsc_samples_per_chunk[chunk2entry];
- chunk1 = chunk2;
-
- if(chunk2entry < total_entries)
- {
- chunk2entry++;
- total += range_samples;
- }
- } while (chunk2entry < total_entries);
-
- if (chunk1samples)
- *chunk = (sample - total) / chunk1samples + chunk1;
- else
- *chunk = 1;
-
- *chunk_sample = total + (*chunk - chunk1) * chunk1samples;
-
- return 0;
-}
-
-static int32_t mp4ff_chunk_to_offset(const mp4ff_t *f, const int32_t track, const int32_t chunk)
-{
- const mp4ff_track_t * p_track = f->track[track];
-
- if (p_track->stco_entry_count && (chunk > p_track->stco_entry_count))
- {
- return p_track->stco_chunk_offset[p_track->stco_entry_count - 1];
- } else if (p_track->stco_entry_count) {
- return p_track->stco_chunk_offset[chunk - 1];
- } else {
- return 8;
- }
-
- return 0;
-}
-
-static int32_t mp4ff_sample_range_size(const mp4ff_t *f, const int32_t track,
- const int32_t chunk_sample, const int32_t sample)
-{
- int32_t i, total;
- const mp4ff_track_t * p_track = f->track[track];
-
- if (p_track->stsz_sample_size)
- {
- return (sample - chunk_sample) * p_track->stsz_sample_size;
- }
- else
- {
- if (sample>=p_track->stsz_sample_count) return 0;//error
-
- for(i = chunk_sample, total = 0; i < sample; i++)
- {
- total += p_track->stsz_table[i];
- }
- }
-
- return total;
-}
-
-static int32_t mp4ff_sample_to_offset(const mp4ff_t *f, const int32_t track, const int32_t sample)
-{
- int32_t chunk, chunk_sample, chunk_offset1, chunk_offset2;
-
- mp4ff_chunk_of_sample(f, track, sample, &chunk_sample, &chunk);
-
- chunk_offset1 = mp4ff_chunk_to_offset(f, track, chunk);
- chunk_offset2 = chunk_offset1 + mp4ff_sample_range_size(f, track, chunk_sample, sample);
-
- return chunk_offset2;
-}
-
-int32_t mp4ff_audio_frame_size(const mp4ff_t *f, const int32_t track, const int32_t sample)
-{
- int32_t bytes;
- const mp4ff_track_t * p_track = f->track[track];
-
- if (p_track->stsz_sample_size)
- {
- bytes = p_track->stsz_sample_size;
- } else {
- bytes = p_track->stsz_table[sample];
- }
-
- return bytes;
-}
-
-int32_t mp4ff_set_sample_position(mp4ff_t *f, const int32_t track, const int32_t sample)
-{
- int32_t offset;
-
- offset = mp4ff_sample_to_offset(f, track, sample);
- mp4ff_set_position(f, offset);
-
- return 0;
-}
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