/**
* @file
* Apple HTTP Live Streaming demuxer
- * http://tools.ietf.org/html/draft-pantos-http-live-streaming
+ * https://www.rfc-editor.org/rfc/rfc8216.txt
*/
#include "libavformat/http.h"
int finished;
enum PlaylistType type;
int64_t target_duration;
- int start_seq_no;
+ int64_t start_seq_no;
int n_segments;
struct segment **segments;
int needed;
int broken;
- int cur_seq_no;
- int last_seq_no;
+ int64_t cur_seq_no;
+ int64_t last_seq_no;
int m3u8_hold_counters;
int64_t cur_seg_offset;
int64_t last_load_time;
int n_renditions;
struct rendition **renditions;
- int cur_seq_no;
+ int64_t cur_seq_no;
int m3u8_hold_counters;
int live_start_index;
int first_packet;
c->n_renditions = 0;
}
-/*
- * Used to reset a statically allocated AVPacket to a clean state,
- * containing no data.
- */
-static void reset_packet(AVPacket *pkt)
-{
- av_init_packet(pkt);
- pkt->data = NULL;
-}
-
static struct playlist *new_playlist(HLSContext *c, const char *url,
const char *base)
{
struct playlist *pls = av_mallocz(sizeof(struct playlist));
if (!pls)
return NULL;
- reset_packet(&pls->pkt);
ff_make_absolute_url(pls->url, sizeof(pls->url), base, url);
- if (!pls->url[0])
+ if (!pls->url[0]) {
+ av_free(pls);
return NULL;
+ }
+ av_init_packet(&pls->pkt);
pls->seek_timestamp = AV_NOPTS_VALUE;
pls->is_id3_timestamped = -1;
}
static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url,
- AVDictionary *opts, AVDictionary *opts2, int *is_http_out)
+ AVDictionary **opts, AVDictionary *opts2, int *is_http_out)
{
HLSContext *c = s->priv_data;
AVDictionary *tmp = NULL;
else if (strcmp(proto_name, "file") || !strncmp(url, "file,", 5))
return AVERROR_INVALIDDATA;
- av_dict_copy(&tmp, opts, 0);
+ av_dict_copy(&tmp, *opts, 0);
av_dict_copy(&tmp, opts2, 0);
if (is_http && c->http_persistent && *pb) {
av_opt_get(*pb, "cookies", AV_OPT_SEARCH_CHILDREN, (uint8_t**)&new_cookies);
if (new_cookies)
- av_dict_set(&opts, "cookies", new_cookies, AV_DICT_DONT_STRDUP_VAL);
+ av_dict_set(opts, "cookies", new_cookies, AV_DICT_DONT_STRDUP_VAL);
}
av_dict_free(&tmp);
int is_http = av_strstart(url, "http", NULL);
struct segment **prev_segments = NULL;
int prev_n_segments = 0;
- int prev_start_seq_no = -1;
+ int64_t prev_start_seq_no = -1;
if (is_http && !in && c->http_persistent && c->playlist_pb) {
in = c->playlist_pb;
goto fail;
pls->target_duration = strtoll(ptr, NULL, 10) * AV_TIME_BASE;
} else if (av_strstart(line, "#EXT-X-MEDIA-SEQUENCE:", &ptr)) {
+ uint64_t seq_no;
ret = ensure_playlist(c, &pls, url);
if (ret < 0)
goto fail;
- pls->start_seq_no = atoi(ptr);
+ seq_no = strtoull(ptr, NULL, 10);
+ if (seq_no > INT64_MAX) {
+ av_log(c->ctx, AV_LOG_DEBUG, "MEDIA-SEQUENCE higher than "
+ "INT64_MAX, mask out the highest bit\n");
+ seq_no &= INT64_MAX;
+ }
+ pls->start_seq_no = seq_no;
} else if (av_strstart(line, "#EXT-X-PLAYLIST-TYPE:", &ptr)) {
ret = ensure_playlist(c, &pls, url);
if (ret < 0)
if (has_iv) {
memcpy(cur_init_section->iv, iv, sizeof(iv));
} else {
- int seq = pls->start_seq_no + pls->n_segments;
+ int64_t seq = pls->start_seq_no + pls->n_segments;
memset(cur_init_section->iv, 0, sizeof(cur_init_section->iv));
- AV_WB32(cur_init_section->iv + 12, seq);
+ AV_WB64(cur_init_section->iv + 8, seq);
}
if (key_type != KEY_NONE) {
ret = AVERROR(ENOMEM);
goto fail;
}
- seg->duration = duration;
- seg->key_type = key_type;
if (has_iv) {
memcpy(seg->iv, iv, sizeof(iv));
} else {
- int seq = pls->start_seq_no + pls->n_segments;
+ int64_t seq = pls->start_seq_no + pls->n_segments;
memset(seg->iv, 0, sizeof(seg->iv));
- AV_WB32(seg->iv + 12, seq);
+ AV_WB64(seg->iv + 8, seq);
}
if (key_type != KEY_NONE) {
goto fail;
}
+ if (duration < 0.001 * AV_TIME_BASE) {
+ av_log(c->ctx, AV_LOG_WARNING, "Cannot get correct #EXTINF value of segment %s,"
+ " set to default value to 1ms.\n", seg->url);
+ duration = 0.001 * AV_TIME_BASE;
+ }
+ seg->duration = duration;
+ seg->key_type = key_type;
dynarray_add(&pls->segments, &pls->n_segments, seg);
is_segment = 0;
if (prev_segments) {
if (pls->start_seq_no > prev_start_seq_no && c->first_timestamp != AV_NOPTS_VALUE) {
int64_t prev_timestamp = c->first_timestamp;
- int i, diff = pls->start_seq_no - prev_start_seq_no;
+ int i;
+ int64_t diff = pls->start_seq_no - prev_start_seq_no;
for (i = 0; i < prev_n_segments && i < diff; i++) {
c->first_timestamp += prev_segments[i]->duration;
}
- av_log(c->ctx, AV_LOG_DEBUG, "Media sequence change (%d -> %d)"
+ av_log(c->ctx, AV_LOG_DEBUG, "Media sequence change (%"PRId64" -> %"PRId64")"
" reflected in first_timestamp: %"PRId64" -> %"PRId64"\n",
prev_start_seq_no, pls->start_seq_no,
prev_timestamp, c->first_timestamp);
} else if (pls->start_seq_no < prev_start_seq_no) {
- av_log(c->ctx, AV_LOG_WARNING, "Media sequence changed unexpectedly: %d -> %d\n",
+ av_log(c->ctx, AV_LOG_WARNING, "Media sequence changed unexpectedly: %"PRId64" -> %"PRId64"\n",
prev_start_seq_no, pls->start_seq_no);
}
free_segment_dynarray(prev_segments, prev_n_segments);
static struct segment *next_segment(struct playlist *pls)
{
- int n = pls->cur_seq_no - pls->start_seq_no + 1;
+ int64_t n = pls->cur_seq_no - pls->start_seq_no + 1;
if (n >= pls->n_segments)
return NULL;
return pls->segments[n];
seg->url, seg->url_offset, pls->index);
if (seg->key_type == KEY_NONE) {
- ret = open_url(pls->parent, in, seg->url, c->avio_opts, opts, &is_http);
+ ret = open_url(pls->parent, in, seg->url, &c->avio_opts, opts, &is_http);
} else if (seg->key_type == KEY_AES_128) {
char iv[33], key[33], url[MAX_URL_SIZE];
if (strcmp(seg->key, pls->key_url)) {
AVIOContext *pb = NULL;
- if (open_url(pls->parent, &pb, seg->key, c->avio_opts, opts, NULL) == 0) {
+ if (open_url(pls->parent, &pb, seg->key, &c->avio_opts, opts, NULL) == 0) {
ret = avio_read(pb, pls->key, sizeof(pls->key));
if (ret != sizeof(pls->key)) {
av_log(pls->parent, AV_LOG_ERROR, "Unable to read key file %s\n",
av_dict_set(&opts, "key", key, 0);
av_dict_set(&opts, "iv", iv, 0);
- ret = open_url(pls->parent, in, url, c->avio_opts, opts, &is_http);
+ ret = open_url(pls->parent, in, url, &c->avio_opts, opts, &is_http);
if (ret < 0) {
goto cleanup;
}
* as would be expected. Wrong offset received from the server will not be
* noticed without the call, though.
*/
- if (ret == 0 && !is_http && seg->key_type == KEY_NONE && seg->url_offset) {
+ if (ret == 0 && !is_http && seg->url_offset) {
int64_t seekret = avio_seek(*in, seg->url_offset, SEEK_SET);
if (seekret < 0) {
av_log(pls->parent, AV_LOG_ERROR, "Unable to seek to offset %"PRId64" of HLS segment '%s'\n", seg->url_offset, seg->url);
}
if (v->cur_seq_no < v->start_seq_no) {
av_log(v->parent, AV_LOG_WARNING,
- "skipping %d segments ahead, expired from playlists\n",
+ "skipping %"PRId64" segments ahead, expired from playlists\n",
v->start_seq_no - v->cur_seq_no);
v->cur_seq_no = v->start_seq_no;
}
if (ret < 0) {
if (ff_check_interrupt(c->interrupt_callback))
return AVERROR_EXIT;
- av_log(v->parent, AV_LOG_WARNING, "Failed to open segment %d of playlist %d\n",
+ av_log(v->parent, AV_LOG_WARNING, "Failed to open segment %"PRId64" of playlist %d\n",
v->cur_seq_no,
v->index);
v->cur_seq_no += 1;
if (ret < 0) {
if (ff_check_interrupt(c->interrupt_callback))
return AVERROR_EXIT;
- av_log(v->parent, AV_LOG_WARNING, "Failed to open next segment %d of playlist %d\n",
+ av_log(v->parent, AV_LOG_WARNING, "Failed to open segment %"PRId64" of playlist %d\n",
v->cur_seq_no + 1,
v->index);
} else {
/* if timestamp was in valid range: returns 1 and sets seq_no
* if not: returns 0 and sets seq_no to closest segment */
static int find_timestamp_in_playlist(HLSContext *c, struct playlist *pls,
- int64_t timestamp, int *seq_no)
+ int64_t timestamp, int64_t *seq_no)
{
int i;
int64_t pos = c->first_timestamp == AV_NOPTS_VALUE ?
return 0;
}
-static int select_cur_seq_no(HLSContext *c, struct playlist *pls)
+static int64_t select_cur_seq_no(HLSContext *c, struct playlist *pls)
{
- int seq_no;
+ int64_t seq_no;
if (!pls->finished && !c->first_packet &&
av_gettime_relative() - pls->last_load_time >= default_reload_interval(pls))
else
avpriv_set_pts_info(st, ist->pts_wrap_bits, ist->time_base.num, ist->time_base.den);
+ // copy disposition
+ st->disposition = ist->disposition;
+
+ // copy side data
+ for (int i = 0; i < ist->nb_side_data; i++) {
+ const AVPacketSideData *sd_src = &ist->side_data[i];
+ uint8_t *dst_data;
+
+ dst_data = av_stream_new_side_data(st, sd_src->type, sd_src->size);
+ if (!dst_data)
+ return AVERROR(ENOMEM);
+ memcpy(dst_data, sd_src->data, sd_src->size);
+ }
+
st->internal->need_context_update = 1;
return 0;
{
HLSContext *c = s->priv_data;
int ret = 0, i;
- int highest_cur_seq_no = 0;
+ int64_t highest_cur_seq_no = 0;
c->ctx = s;
c->interrupt_callback = &s->interrupt_callback;
/* Open the demuxer for each playlist */
for (i = 0; i < c->n_playlists; i++) {
struct playlist *pls = c->playlists[i];
+ char *url;
ff_const59 AVInputFormat *in_fmt = NULL;
if (!(pls->ctx = avformat_alloc_context())) {
read_data, NULL, NULL);
pls->ctx->probesize = s->probesize > 0 ? s->probesize : 1024 * 4;
pls->ctx->max_analyze_duration = s->max_analyze_duration > 0 ? s->max_analyze_duration : 4 * AV_TIME_BASE;
- ret = av_probe_input_buffer(&pls->pb, &in_fmt, pls->segments[0]->url,
- NULL, 0, 0);
+ pls->ctx->interrupt_callback = s->interrupt_callback;
+ url = av_strdup(pls->segments[0]->url);
+ ret = av_probe_input_buffer(&pls->pb, &in_fmt, url, NULL, 0, 0);
if (ret < 0) {
/* Free the ctx - it isn't initialized properly at this point,
* so avformat_close_input shouldn't be called. If
* avformat_open_input fails below, it frees and zeros the
* context, so it doesn't need any special treatment like this. */
- av_log(s, AV_LOG_ERROR, "Error when loading first segment '%s'\n", pls->segments[0]->url);
+ av_log(s, AV_LOG_ERROR, "Error when loading first segment '%s'\n", url);
avformat_free_context(pls->ctx);
pls->ctx = NULL;
+ av_free(url);
goto fail;
}
+ av_free(url);
pls->ctx->pb = &pls->pb;
pls->ctx->io_open = nested_io_open;
pls->ctx->flags |= s->flags & ~AVFMT_FLAG_CUSTOM_IO;
pls->seek_flags = AVSEEK_FLAG_ANY;
pls->seek_stream_index = -1;
}
- av_log(s, AV_LOG_INFO, "Now receiving playlist %d, segment %d\n", i, pls->cur_seq_no);
+ av_log(s, AV_LOG_INFO, "Now receiving playlist %d, segment %"PRId64"\n", i, pls->cur_seq_no);
} else if (first && !cur_needed && pls->needed) {
ff_format_io_close(pls->parent, &pls->input);
pls->input_read_done = 0;
if (ret < 0) {
if (!avio_feof(&pls->pb) && ret != AVERROR_EOF)
return ret;
- reset_packet(&pls->pkt);
break;
} else {
/* stream_index check prevents matching picture attachments etc. */
{
HLSContext *c = s->priv_data;
struct playlist *seek_pls = NULL;
- int i, seq_no;
- int j;
+ int i, j;
int stream_subdemuxer_index;
int64_t first_timestamp, seek_timestamp, duration;
+ int64_t seq_no;
if ((flags & AVSEEK_FLAG_BYTE) || (c->ctx->ctx_flags & AVFMTCTX_UNSEEKABLE))
return AVERROR(ENOSYS);
OFFSET(live_start_index), AV_OPT_TYPE_INT, {.i64 = -3}, INT_MIN, INT_MAX, FLAGS},
{"allowed_extensions", "List of file extensions that hls is allowed to access",
OFFSET(allowed_extensions), AV_OPT_TYPE_STRING,
- {.str = "3gp,aac,avi,flac,mkv,m3u8,m4a,m4s,m4v,mpg,mov,mp2,mp3,mp4,mpeg,mpegts,ogg,ogv,oga,ts,vob,wav"},
+ {.str = "3gp,aac,avi,ac3,eac3,flac,mkv,m3u8,m4a,m4s,m4v,mpg,mov,mp2,mp3,mp4,mpeg,mpegts,ogg,ogv,oga,ts,vob,wav"},
INT_MIN, INT_MAX, FLAGS},
{"max_reload", "Maximum number of times a insufficient list is attempted to be reloaded",
OFFSET(max_reload), AV_OPT_TYPE_INT, {.i64 = 1000}, 0, INT_MAX, FLAGS},