chasing indexing error

1 files changed, 0 insertions, 351 deletions

diff --git a/ffmpeg/libavformat/hlsenc.c b/ffmpeg/libavformat/hlsenc.c
deleted file mode 100644
index 3b50397..0000000
--- a/ffmpeg/libavformat/hlsenc.c
+++ /dev/null
@@ -1,351 +0,0 @@
-/*
- * Apple HTTP Live Streaming segmenter
- * Copyright (c) 2012, Luca Barbato
- *
- * 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 <float.h>
-#include <stdint.h>
-
-#include "libavutil/mathematics.h"
-#include "libavutil/parseutils.h"
-#include "libavutil/avstring.h"
-#include "libavutil/opt.h"
-#include "libavutil/log.h"
-
-#include "avformat.h"
-#include "internal.h"
-
-typedef struct ListEntry {
-    char  name[1024];
-    int   duration;
-    struct ListEntry *next;
-} ListEntry;
-
-typedef struct HLSContext {
-    const AVClass *class;  // Class for private options.
-    unsigned number;
-    int64_t sequence;
-    AVOutputFormat *oformat;
-    AVFormatContext *avf;
-    float time;            // Set by a private option.
-    int  size;             // Set by a private option.
-    int  wrap;             // Set by a private option.
-    int64_t recording_time;
-    int has_video;
-    int64_t start_pts;
-    int64_t end_pts;
-    int64_t duration;      // last segment duration computed so far, in seconds
-    int nb_entries;
-    ListEntry *list;
-    ListEntry *end_list;
-    char *basename;
-    AVIOContext *pb;
-} HLSContext;
-
-static int hls_mux_init(AVFormatContext *s)
-{
-    HLSContext *hls = s->priv_data;
-    AVFormatContext *oc;
-    int i;
-
-    hls->avf = oc = avformat_alloc_context();
-    if (!oc)
-        return AVERROR(ENOMEM);
-
-    oc->oformat            = hls->oformat;
-    oc->interrupt_callback = s->interrupt_callback;
-    av_dict_copy(&oc->metadata, s->metadata, 0);
-
-    for (i = 0; i < s->nb_streams; i++) {
-        AVStream *st;
-        if (!(st = avformat_new_stream(oc, NULL)))
-            return AVERROR(ENOMEM);
-        avcodec_copy_context(st->codec, s->streams[i]->codec);
-        st->sample_aspect_ratio = s->streams[i]->sample_aspect_ratio;
-    }
-
-    return 0;
-}
-
-static int append_entry(HLSContext *hls, uint64_t duration)
-{
-    ListEntry *en = av_malloc(sizeof(*en));
-
-    if (!en)
-        return AVERROR(ENOMEM);
-
-    av_strlcpy(en->name, av_basename(hls->avf->filename), sizeof(en->name));
-
-    en->duration = duration;
-    en->next     = NULL;
-
-    if (!hls->list)
-        hls->list = en;
-    else
-        hls->end_list->next = en;
-
-    hls->end_list = en;
-
-    if (hls->nb_entries >= hls->size) {
-        en = hls->list;
-        hls->list = en->next;
-        av_free(en);
-    } else
-        hls->nb_entries++;
-
-    hls->sequence++;
-
-    return 0;
-}
-
-static void free_entries(HLSContext *hls)
-{
-    ListEntry *p = hls->list, *en;
-
-    while(p) {
-        en = p;
-        p = p->next;
-        av_free(en);
-    }
-}
-
-static int hls_window(AVFormatContext *s, int last)
-{
-    HLSContext *hls = s->priv_data;
-    ListEntry *en;
-    int target_duration = 0;
-    int ret = 0;
-
-    if ((ret = avio_open2(&hls->pb, s->filename, AVIO_FLAG_WRITE,
-                          &s->interrupt_callback, NULL)) < 0)
-        goto fail;
-
-    for (en = hls->list; en; en = en->next) {
-        if (target_duration < en->duration)
-            target_duration = en->duration;
-    }
-
-    avio_printf(hls->pb, "#EXTM3U\n");
-    avio_printf(hls->pb, "#EXT-X-VERSION:3\n");
-    avio_printf(hls->pb, "#EXT-X-TARGETDURATION:%d\n", target_duration);
-    avio_printf(hls->pb, "#EXT-X-MEDIA-SEQUENCE:%"PRId64"\n",
-                FFMAX(0, hls->sequence - hls->size));
-
-    for (en = hls->list; en; en = en->next) {
-        avio_printf(hls->pb, "#EXTINF:%d,\n", en->duration);
-        avio_printf(hls->pb, "%s\n", en->name);
-    }
-
-    if (last)
-        avio_printf(hls->pb, "#EXT-X-ENDLIST\n");
-
-fail:
-    avio_closep(&hls->pb);
-    return ret;
-}
-
-static int hls_start(AVFormatContext *s)
-{
-    HLSContext *c = s->priv_data;
-    AVFormatContext *oc = c->avf;
-    int err = 0;
-
-    if (av_get_frame_filename(oc->filename, sizeof(oc->filename),
-                              c->basename, c->wrap ? c->number % c->wrap : c->number) < 0) {
-        av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s'\n", c->basename);
-        return AVERROR(EINVAL);
-    }
-    c->number++;
-
-    if ((err = avio_open2(&oc->pb, oc->filename, AVIO_FLAG_WRITE,
-                          &s->interrupt_callback, NULL)) < 0)
-        return err;
-
-    if (oc->oformat->priv_class && oc->priv_data)
-        av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
-
-    return 0;
-}
-
-static int hls_write_header(AVFormatContext *s)
-{
-    HLSContext *hls = s->priv_data;
-    int ret, i;
-    char *p;
-    const char *pattern = "%d.ts";
-    int basename_size = strlen(s->filename) + strlen(pattern) + 1;
-
-    hls->number      = 0;
-
-    hls->recording_time = hls->time * AV_TIME_BASE;
-    hls->start_pts      = AV_NOPTS_VALUE;
-
-    for (i = 0; i < s->nb_streams; i++)
-        hls->has_video +=
-            s->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO;
-
-    if (hls->has_video > 1)
-        av_log(s, AV_LOG_WARNING,
-               "More than a single video stream present, "
-               "expect issues decoding it.\n");
-
-    hls->oformat = av_guess_format("mpegts", NULL, NULL);
-
-    if (!hls->oformat) {
-        ret = AVERROR_MUXER_NOT_FOUND;
-        goto fail;
-    }
-
-    hls->basename = av_malloc(basename_size);
-
-    if (!hls->basename) {
-        ret = AVERROR(ENOMEM);
-        goto fail;
-    }
-
-    strcpy(hls->basename, s->filename);
-
-    p = strrchr(hls->basename, '.');
-
-    if (p)
-        *p = '\0';
-
-    av_strlcat(hls->basename, pattern, basename_size);
-
-    if ((ret = hls_mux_init(s)) < 0)
-        goto fail;
-
-    if ((ret = hls_start(s)) < 0)
-        goto fail;
-
-    if ((ret = avformat_write_header(hls->avf, NULL)) < 0)
-        return ret;
-
-
-fail:
-    if (ret) {
-        av_free(hls->basename);
-        if (hls->avf)
-            avformat_free_context(hls->avf);
-    }
-    return ret;
-}
-
-static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    HLSContext *hls = s->priv_data;
-    AVFormatContext *oc = hls->avf;
-    AVStream *st = s->streams[pkt->stream_index];
-    int64_t end_pts = hls->recording_time * hls->number;
-    int is_ref_pkt = 1;
-    int ret, can_split = 1;
-
-    if (hls->start_pts == AV_NOPTS_VALUE) {
-        hls->start_pts = pkt->pts;
-        hls->end_pts   = pkt->pts;
-    }
-
-    if (hls->has_video) {
-        can_split = st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
-                    pkt->flags & AV_PKT_FLAG_KEY;
-        is_ref_pkt = st->codec->codec_type == AVMEDIA_TYPE_VIDEO;
-    }
-    if (pkt->pts == AV_NOPTS_VALUE)
-        is_ref_pkt = can_split = 0;
-
-    if (is_ref_pkt)
-        hls->duration = av_rescale(pkt->pts - hls->end_pts,
-                                   st->time_base.num, st->time_base.den);
-
-    if (can_split && av_compare_ts(pkt->pts - hls->start_pts, st->time_base,
-                                   end_pts, AV_TIME_BASE_Q) >= 0) {
-        ret = append_entry(hls, hls->duration);
-        if (ret)
-            return ret;
-
-        hls->end_pts = pkt->pts;
-        hls->duration = 0;
-
-        av_write_frame(oc, NULL); /* Flush any buffered data */
-        avio_close(oc->pb);
-
-        ret = hls_start(s);
-
-        if (ret)
-            return ret;
-
-        oc = hls->avf;
-
-        if ((ret = hls_window(s, 0)) < 0)
-            return ret;
-    }
-
-    ret = ff_write_chained(oc, pkt->stream_index, pkt, s);
-
-    return ret;
-}
-
-static int hls_write_trailer(struct AVFormatContext *s)
-{
-    HLSContext *hls = s->priv_data;
-    AVFormatContext *oc = hls->avf;
-
-    av_write_trailer(oc);
-    avio_closep(&oc->pb);
-    avformat_free_context(oc);
-    av_free(hls->basename);
-    append_entry(hls, hls->duration);
-    hls_window(s, 1);
-
-    free_entries(hls);
-    avio_close(hls->pb);
-    return 0;
-}
-
-#define OFFSET(x) offsetof(HLSContext, x)
-#define E AV_OPT_FLAG_ENCODING_PARAM
-static const AVOption options[] = {
-    {"start_number",  "set first number in the sequence",        OFFSET(sequence),AV_OPT_TYPE_INT64,  {.i64 = 0},     0, INT64_MAX, E},
-    {"hls_time",      "set segment length in seconds",           OFFSET(time),    AV_OPT_TYPE_FLOAT,  {.dbl = 2},     0, FLT_MAX, E},
-    {"hls_list_size", "set maximum number of playlist entries",  OFFSET(size),    AV_OPT_TYPE_INT,    {.i64 = 5},     0, INT_MAX, E},
-    {"hls_wrap",      "set number after which the index wraps",  OFFSET(wrap),    AV_OPT_TYPE_INT,    {.i64 = 0},     0, INT_MAX, E},
-    { NULL },
-};
-
-static const AVClass hls_class = {
-    .class_name = "hls muxer",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
-};
-
-
-AVOutputFormat ff_hls_muxer = {
-    .name           = "hls",
-    .long_name      = NULL_IF_CONFIG_SMALL("Apple HTTP Live Streaming"),
-    .extensions     = "m3u8",
-    .priv_data_size = sizeof(HLSContext),
-    .audio_codec    = AV_CODEC_ID_MP2,
-    .video_codec    = AV_CODEC_ID_MPEG2VIDEO,
-    .flags          = AVFMT_NOFILE | AVFMT_ALLOW_FLUSH,
-    .write_header   = hls_write_header,
-    .write_packet   = hls_write_packet,
-    .write_trailer  = hls_write_trailer,
-    .priv_class     = &hls_class,
-};