chasing indexing error

1 files changed, 0 insertions, 388 deletions

diff --git a/ffmpeg/libavformat/wavenc.c b/ffmpeg/libavformat/wavenc.c
deleted file mode 100644
index 0067dfe..0000000
--- a/ffmpeg/libavformat/wavenc.c
+++ /dev/null
@@ -1,388 +0,0 @@
-/*
- * WAV muxer
- * Copyright (c) 2001, 2002 Fabrice Bellard
- *
- * Sony Wave64 muxer
- * Copyright (c) 2012 Paul B Mahol
- *
- * WAV muxer RF64 support
- * Copyright (c) 2013 Daniel Verkamp <daniel@drv.nu>
- *
- * 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 <stdint.h>
-#include <string.h>
-
-#include "libavutil/dict.h"
-#include "libavutil/common.h"
-#include "libavutil/mathematics.h"
-#include "libavutil/opt.h"
-
-#include "avformat.h"
-#include "avio.h"
-#include "avio_internal.h"
-#include "internal.h"
-#include "riff.h"
-
-#define RF64_AUTO   (-1)
-#define RF64_NEVER  0
-#define RF64_ALWAYS 1
-
-typedef struct WAVMuxContext {
-    const AVClass *class;
-    int64_t data;
-    int64_t fact_pos;
-    int64_t ds64;
-    int64_t minpts;
-    int64_t maxpts;
-    int last_duration;
-    int write_bext;
-    int rf64;
-} WAVMuxContext;
-
-#if CONFIG_WAV_MUXER
-static inline void bwf_write_bext_string(AVFormatContext *s, const char *key, int maxlen)
-{
-    AVDictionaryEntry *tag;
-    int len = 0;
-
-    if (tag = av_dict_get(s->metadata, key, NULL, 0)) {
-        len = strlen(tag->value);
-        len = FFMIN(len, maxlen);
-        avio_write(s->pb, tag->value, len);
-    }
-
-    ffio_fill(s->pb, 0, maxlen - len);
-}
-
-static void bwf_write_bext_chunk(AVFormatContext *s)
-{
-    AVDictionaryEntry *tmp_tag;
-    uint64_t time_reference = 0;
-    int64_t bext = ff_start_tag(s->pb, "bext");
-
-    bwf_write_bext_string(s, "description", 256);
-    bwf_write_bext_string(s, "originator", 32);
-    bwf_write_bext_string(s, "originator_reference", 32);
-    bwf_write_bext_string(s, "origination_date", 10);
-    bwf_write_bext_string(s, "origination_time", 8);
-
-    if (tmp_tag = av_dict_get(s->metadata, "time_reference", NULL, 0))
-        time_reference = strtoll(tmp_tag->value, NULL, 10);
-    avio_wl64(s->pb, time_reference);
-    avio_wl16(s->pb, 1);  // set version to 1
-
-    if (tmp_tag = av_dict_get(s->metadata, "umid", NULL, 0)) {
-        unsigned char umidpart_str[17] = {0};
-        int i;
-        uint64_t umidpart;
-        int len = strlen(tmp_tag->value+2);
-
-        for (i = 0; i < len/16; i++) {
-            memcpy(umidpart_str, tmp_tag->value + 2 + (i*16), 16);
-            umidpart = strtoll(umidpart_str, NULL, 16);
-            avio_wb64(s->pb, umidpart);
-        }
-        ffio_fill(s->pb, 0, 64 - i*8);
-    } else
-        ffio_fill(s->pb, 0, 64); // zero UMID
-
-    ffio_fill(s->pb, 0, 190); // Reserved
-
-    if (tmp_tag = av_dict_get(s->metadata, "coding_history", NULL, 0))
-        avio_put_str(s->pb, tmp_tag->value);
-
-    ff_end_tag(s->pb, bext);
-}
-
-static int wav_write_header(AVFormatContext *s)
-{
-    WAVMuxContext *wav = s->priv_data;
-    AVIOContext *pb = s->pb;
-    int64_t fmt;
-
-    if (s->nb_streams != 1) {
-        av_log(s, AV_LOG_ERROR, "WAVE files have exactly one stream\n");
-        return AVERROR(EINVAL);
-    }
-
-    if (wav->rf64 == RF64_ALWAYS) {
-        ffio_wfourcc(pb, "RF64");
-        avio_wl32(pb, -1); /* RF64 chunk size: use size in ds64 */
-    } else {
-        ffio_wfourcc(pb, "RIFF");
-        avio_wl32(pb, 0); /* file length */
-    }
-
-    ffio_wfourcc(pb, "WAVE");
-
-    if (wav->rf64 != RF64_NEVER) {
-        /* write empty ds64 chunk or JUNK chunk to reserve space for ds64 */
-        ffio_wfourcc(pb, wav->rf64 == RF64_ALWAYS ? "ds64" : "JUNK");
-        avio_wl32(pb, 28); /* chunk size */
-        wav->ds64 = avio_tell(pb);
-        ffio_fill(pb, 0, 28);
-    }
-
-    /* format header */
-    fmt = ff_start_tag(pb, "fmt ");
-    if (ff_put_wav_header(pb, s->streams[0]->codec) < 0) {
-        av_log(s, AV_LOG_ERROR, "%s codec not supported in WAVE format\n",
-               s->streams[0]->codec->codec ? s->streams[0]->codec->codec->name : "NONE");
-        return -1;
-    }
-    ff_end_tag(pb, fmt);
-
-    if (s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
-        && s->pb->seekable) {
-        wav->fact_pos = ff_start_tag(pb, "fact");
-        avio_wl32(pb, 0);
-        ff_end_tag(pb, wav->fact_pos);
-    }
-
-    if (wav->write_bext)
-        bwf_write_bext_chunk(s);
-
-    avpriv_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
-    wav->maxpts = wav->last_duration = 0;
-    wav->minpts = INT64_MAX;
-
-    /* info header */
-    ff_riff_write_info(s);
-
-    /* data header */
-    wav->data = ff_start_tag(pb, "data");
-
-    avio_flush(pb);
-
-    return 0;
-}
-
-static int wav_write_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    AVIOContext *pb  = s->pb;
-    WAVMuxContext    *wav = s->priv_data;
-    avio_write(pb, pkt->data, pkt->size);
-    if(pkt->pts != AV_NOPTS_VALUE) {
-        wav->minpts        = FFMIN(wav->minpts, pkt->pts);
-        wav->maxpts        = FFMAX(wav->maxpts, pkt->pts);
-        wav->last_duration = pkt->duration;
-    } else
-        av_log(s, AV_LOG_ERROR, "wav_write_packet: NOPTS\n");
-    return 0;
-}
-
-static int wav_write_trailer(AVFormatContext *s)
-{
-    AVIOContext *pb  = s->pb;
-    WAVMuxContext    *wav = s->priv_data;
-    int64_t file_size, data_size;
-    int64_t number_of_samples = 0;
-    int rf64 = 0;
-
-    avio_flush(pb);
-
-    if (s->pb->seekable) {
-        /* update file size */
-        file_size = avio_tell(pb);
-        data_size = file_size - wav->data;
-        if (wav->rf64 == RF64_ALWAYS || (wav->rf64 == RF64_AUTO && file_size - 8 > UINT32_MAX)) {
-            rf64 = 1;
-        } else {
-            avio_seek(pb, 4, SEEK_SET);
-            avio_wl32(pb, (uint32_t)(file_size - 8));
-            avio_seek(pb, file_size, SEEK_SET);
-
-            ff_end_tag(pb, wav->data);
-            avio_flush(pb);
-        }
-
-        number_of_samples = av_rescale(wav->maxpts - wav->minpts + wav->last_duration,
-                                       s->streams[0]->codec->sample_rate * (int64_t)s->streams[0]->time_base.num,
-                                       s->streams[0]->time_base.den);
-
-        if(s->streams[0]->codec->codec_tag != 0x01) {
-            /* Update num_samps in fact chunk */
-            avio_seek(pb, wav->fact_pos, SEEK_SET);
-            if (rf64 || (wav->rf64 == RF64_AUTO && number_of_samples > UINT32_MAX)) {
-                rf64 = 1;
-                avio_wl32(pb, -1);
-            } else {
-                avio_wl32(pb, number_of_samples);
-                avio_seek(pb, file_size, SEEK_SET);
-                avio_flush(pb);
-            }
-        }
-
-        if (rf64) {
-            /* overwrite RIFF with RF64 */
-            avio_seek(pb, 0, SEEK_SET);
-            ffio_wfourcc(pb, "RF64");
-            avio_wl32(pb, -1);
-
-            /* write ds64 chunk (overwrite JUNK if rf64 == RF64_AUTO) */
-            avio_seek(pb, wav->ds64 - 8, SEEK_SET);
-            ffio_wfourcc(pb, "ds64");
-            avio_wl32(pb, 28);                  /* ds64 chunk size */
-            avio_wl64(pb, file_size - 8);       /* RF64 chunk size */
-            avio_wl64(pb, data_size);           /* data chunk size */
-            avio_wl64(pb, number_of_samples);   /* fact chunk number of samples */
-            avio_wl32(pb, 0);                   /* number of table entries for non-'data' chunks */
-
-            /* write -1 in data chunk size */
-            avio_seek(pb, wav->data - 4, SEEK_SET);
-            avio_wl32(pb, -1);
-
-            avio_seek(pb, file_size, SEEK_SET);
-            avio_flush(pb);
-        }
-    }
-    return 0;
-}
-
-#define OFFSET(x) offsetof(WAVMuxContext, x)
-#define ENC AV_OPT_FLAG_ENCODING_PARAM
-static const AVOption options[] = {
-    { "write_bext", "Write BEXT chunk.", OFFSET(write_bext), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, ENC },
-    { "rf64",       "Use RF64 header rather than RIFF for large files.",    OFFSET(rf64), AV_OPT_TYPE_INT,   { .i64 = RF64_NEVER  },-1, 1, ENC, "rf64" },
-    { "auto",       "Write RF64 header if file grows large enough.",        0,            AV_OPT_TYPE_CONST, { .i64 = RF64_AUTO   }, 0, 0, ENC, "rf64" },
-    { "always",     "Always write RF64 header regardless of file size.",    0,            AV_OPT_TYPE_CONST, { .i64 = RF64_ALWAYS }, 0, 0, ENC, "rf64" },
-    { "never",      "Never write RF64 header regardless of file size.",     0,            AV_OPT_TYPE_CONST, { .i64 = RF64_NEVER  }, 0, 0, ENC, "rf64" },
-    { NULL },
-};
-
-static const AVClass wav_muxer_class = {
-    .class_name = "WAV muxer",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
-};
-
-AVOutputFormat ff_wav_muxer = {
-    .name              = "wav",
-    .long_name         = NULL_IF_CONFIG_SMALL("WAV / WAVE (Waveform Audio)"),
-    .mime_type         = "audio/x-wav",
-    .extensions        = "wav",
-    .priv_data_size    = sizeof(WAVMuxContext),
-    .audio_codec       = AV_CODEC_ID_PCM_S16LE,
-    .video_codec       = AV_CODEC_ID_NONE,
-    .write_header      = wav_write_header,
-    .write_packet      = wav_write_packet,
-    .write_trailer     = wav_write_trailer,
-    .flags             = AVFMT_TS_NONSTRICT,
-    .codec_tag         = (const AVCodecTag* const []){ ff_codec_wav_tags, 0 },
-    .priv_class        = &wav_muxer_class,
-};
-#endif /* CONFIG_WAV_MUXER */
-
-#if CONFIG_W64_MUXER
-#include "w64.h"
-
-static void start_guid(AVIOContext *pb, const uint8_t *guid, int64_t *pos)
-{
-    *pos = avio_tell(pb);
-
-    avio_write(pb, guid, 16);
-    avio_wl64(pb, INT64_MAX);
-}
-
-static void end_guid(AVIOContext *pb, int64_t start)
-{
-    int64_t end, pos = avio_tell(pb);
-
-    end = FFALIGN(pos, 8);
-    ffio_fill(pb, 0, end - pos);
-    avio_seek(pb, start + 16, SEEK_SET);
-    avio_wl64(pb, end - start);
-    avio_seek(pb, end, SEEK_SET);
-}
-
-static int w64_write_header(AVFormatContext *s)
-{
-    WAVMuxContext *wav = s->priv_data;
-    AVIOContext *pb = s->pb;
-    int64_t start;
-    int ret;
-
-    avio_write(pb, ff_w64_guid_riff, sizeof(ff_w64_guid_riff));
-    avio_wl64(pb, -1);
-    avio_write(pb, ff_w64_guid_wave, sizeof(ff_w64_guid_wave));
-    start_guid(pb, ff_w64_guid_fmt, &start);
-    if ((ret = ff_put_wav_header(pb, s->streams[0]->codec)) < 0) {
-        av_log(s, AV_LOG_ERROR, "%s codec not supported\n",
-               s->streams[0]->codec->codec ? s->streams[0]->codec->codec->name : "NONE");
-        return ret;
-    }
-    end_guid(pb, start);
-
-    if (s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
-        && s->pb->seekable) {
-        start_guid(pb, ff_w64_guid_fact, &wav->fact_pos);
-        avio_wl64(pb, 0);
-        end_guid(pb, wav->fact_pos);
-    }
-
-    start_guid(pb, ff_w64_guid_data, &wav->data);
-
-    return 0;
-}
-
-static int w64_write_trailer(AVFormatContext *s)
-{
-    AVIOContext    *pb = s->pb;
-    WAVMuxContext *wav = s->priv_data;
-    int64_t file_size;
-
-    if (pb->seekable) {
-        end_guid(pb, wav->data);
-
-        file_size = avio_tell(pb);
-        avio_seek(pb, 16, SEEK_SET);
-        avio_wl64(pb, file_size);
-
-        if (s->streams[0]->codec->codec_tag != 0x01) {
-            int64_t number_of_samples;
-
-            number_of_samples = av_rescale(wav->maxpts - wav->minpts + wav->last_duration,
-                                           s->streams[0]->codec->sample_rate * (int64_t)s->streams[0]->time_base.num,
-                                           s->streams[0]->time_base.den);
-            avio_seek(pb, wav->fact_pos + 24, SEEK_SET);
-            avio_wl64(pb, number_of_samples);
-        }
-
-        avio_seek(pb, file_size, SEEK_SET);
-        avio_flush(pb);
-    }
-
-    return 0;
-}
-
-AVOutputFormat ff_w64_muxer = {
-    .name              = "w64",
-    .long_name         = NULL_IF_CONFIG_SMALL("Sony Wave64"),
-    .extensions        = "w64",
-    .priv_data_size    = sizeof(WAVMuxContext),
-    .audio_codec       = AV_CODEC_ID_PCM_S16LE,
-    .video_codec       = AV_CODEC_ID_NONE,
-    .write_header      = w64_write_header,
-    .write_packet      = wav_write_packet,
-    .write_trailer     = w64_write_trailer,
-    .flags             = AVFMT_TS_NONSTRICT,
-    .codec_tag         = (const AVCodecTag* const []){ ff_codec_wav_tags, 0 },
-};
-#endif /* CONFIG_W64_MUXER */