#include "internal.h"
#include "os_support.h"
+typedef enum {
+ HLS_START_SEQUENCE_AS_START_NUMBER = 0,
+ HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH = 1,
+ HLS_START_SEQUENCE_AS_FORMATTED_DATETIME = 2, // YYYYMMDDhhmmss
+} StartSequenceSourceType;
+
#define KEYSIZE 16
#define LINE_BUFFER_SIZE 1024
+#define HLS_MICROSECOND_UNIT 1000000
typedef struct HLSSegment {
char filename[1024];
char sub_filename[1024];
double duration; /* in seconds */
+ int discont;
int64_t pos;
int64_t size;
HLS_DISCONT_START = (1 << 3),
HLS_OMIT_ENDLIST = (1 << 4),
HLS_SPLIT_BY_TIME = (1 << 5),
+ HLS_APPEND_LIST = (1 << 6),
+ HLS_PROGRAM_DATE_TIME = (1 << 7),
+ HLS_SECOND_LEVEL_SEGMENT_INDEX = (1 << 8), // include segment index in segment filenames when use_localtime e.g.: %%03d
+ HLS_SECOND_LEVEL_SEGMENT_DURATION = (1 << 9), // include segment duration (microsec) in segment filenames when use_localtime e.g.: %%09t
+ HLS_SECOND_LEVEL_SEGMENT_SIZE = (1 << 10), // include segment size (bytes) in segment filenames when use_localtime e.g.: %%014s
} HLSFlags;
typedef enum {
unsigned number;
int64_t sequence;
int64_t start_sequence;
+ uint32_t start_sequence_source_type; // enum StartSequenceSourceType
AVOutputFormat *oformat;
AVOutputFormat *vtt_oformat;
AVFormatContext *vtt_avf;
float time; // Set by a private option.
+ float init_time; // Set by a private option.
int max_nb_segments; // Set by a private option.
int wrap; // Set by a private option.
uint32_t flags; // enum HLSFlags
int64_t recording_time;
int has_video;
int has_subtitle;
+ int new_start;
+ double dpp; // duration per packet
int64_t start_pts;
int64_t end_pts;
double duration; // last segment duration computed so far, in seconds
int64_t start_pos; // last segment starting position
int64_t size; // last segment size
+ int64_t max_seg_size; // every segment file max size
int nb_entries;
int discontinuity_set;
+ int discontinuity;
HLSSegment *segments;
HLSSegment *last_segment;
char *method;
+ double initial_prog_date_time;
+ char current_segment_final_filename_fmt[1024]; // when renaming segments
} HLSContext;
+static int get_int_from_double(double val)
+{
+ return (int)((val - (int)val) >= 0.001) ? (int)(val + 1) : (int)val;
+}
+
+static int mkdir_p(const char *path) {
+ int ret = 0;
+ char *temp = av_strdup(path);
+ char *pos = temp;
+ char tmp_ch = '\0';
+
+ if (!path || !temp) {
+ return -1;
+ }
+
+ if (!strncmp(temp, "/", 1) || !strncmp(temp, "\\", 1)) {
+ pos++;
+ } else if (!strncmp(temp, "./", 2) || !strncmp(temp, ".\\", 2)) {
+ pos += 2;
+ }
+
+ for ( ; *pos != '\0'; ++pos) {
+ if (*pos == '/' || *pos == '\\') {
+ tmp_ch = *pos;
+ *pos = '\0';
+ ret = mkdir(temp, 0755);
+ *pos = tmp_ch;
+ }
+ }
+
+ if ((*(pos - 1) != '/') || (*(pos - 1) != '\\')) {
+ ret = mkdir(temp, 0755);
+ }
+
+ av_free(temp);
+ return ret;
+}
+
+static int replace_int_data_in_filename(char *buf, int buf_size, const char *filename, char placeholder, int64_t number)
+{
+ const char *p;
+ char *q, buf1[20], c;
+ int nd, len, addchar_count;
+ int found_count = 0;
+
+ q = buf;
+ p = filename;
+ for (;;) {
+ c = *p;
+ if (c == '\0')
+ break;
+ if (c == '%' && *(p+1) == '%') // %%
+ addchar_count = 2;
+ else if (c == '%' && (av_isdigit(*(p+1)) || *(p+1) == placeholder)) {
+ nd = 0;
+ addchar_count = 1;
+ while (av_isdigit(*(p + addchar_count))) {
+ nd = nd * 10 + *(p + addchar_count) - '0';
+ addchar_count++;
+ }
+
+ if (*(p + addchar_count) == placeholder) {
+ len = snprintf(buf1, sizeof(buf1), "%0*"PRId64, (number < 0) ? nd : nd++, number);
+ if (len < 1) // returned error or empty buf1
+ goto fail;
+ if ((q - buf + len) > buf_size - 1)
+ goto fail;
+ memcpy(q, buf1, len);
+ q += len;
+ p += (addchar_count + 1);
+ addchar_count = 0;
+ found_count++;
+ }
+
+ } else
+ addchar_count = 1;
+
+ while (addchar_count--)
+ if ((q - buf) < buf_size - 1)
+ *q++ = *p++;
+ else
+ goto fail;
+ }
+ *q = '\0';
+ return found_count;
+fail:
+ *q = '\0';
+ return -1;
+}
+
static int hls_delete_old_segments(HLSContext *hls) {
HLSSegment *segment, *previous_segment = NULL;
int ret = 0, path_size, sub_path_size;
char *dirname = NULL, *p, *sub_path;
char *path = NULL;
+ AVDictionary *options = NULL;
+ AVIOContext *out = NULL;
segment = hls->segments;
while (segment) {
}
}
- if (segment) {
+ if (segment && !hls->use_localtime_mkdir) {
if (hls->segment_filename) {
dirname = av_strdup(hls->segment_filename);
} else {
while (segment) {
av_log(hls, AV_LOG_DEBUG, "deleting old segment %s\n",
segment->filename);
- path_size = strlen(dirname) + strlen(segment->filename) + 1;
+ path_size = (hls->use_localtime_mkdir ? 0 : strlen(dirname)) + strlen(segment->filename) + 1;
path = av_malloc(path_size);
if (!path) {
ret = AVERROR(ENOMEM);
goto fail;
}
- av_strlcpy(path, dirname, path_size);
- av_strlcat(path, segment->filename, path_size);
- if (unlink(path) < 0) {
+ if (hls->use_localtime_mkdir)
+ av_strlcpy(path, segment->filename, path_size);
+ else { // segment->filename contains basename only
+ av_strlcpy(path, dirname, path_size);
+ av_strlcat(path, segment->filename, path_size);
+ }
+
+ if (hls->method) {
+ av_dict_set(&options, "method", "DELETE", 0);
+ if ((ret = hls->avf->io_open(hls->avf, &out, path, AVIO_FLAG_WRITE, &options)) < 0)
+ goto fail;
+ ff_format_io_close(hls->avf, &out);
+ } else if (unlink(path) < 0) {
av_log(hls, AV_LOG_ERROR, "failed to delete old segment %s: %s\n",
path, strerror(errno));
}
- if (segment->sub_filename[0] != '\0') {
- sub_path_size = strlen(dirname) + strlen(segment->sub_filename) + 1;
+ if ((segment->sub_filename[0] != '\0')) {
+ sub_path_size = strlen(segment->sub_filename) + 1 + (dirname ? strlen(dirname) : 0);
sub_path = av_malloc(sub_path_size);
if (!sub_path) {
ret = AVERROR(ENOMEM);
av_strlcpy(sub_path, dirname, sub_path_size);
av_strlcat(sub_path, segment->sub_filename, sub_path_size);
- if (unlink(sub_path) < 0) {
+
+ if (hls->method) {
+ av_dict_set(&options, "method", "DELETE", 0);
+ if ((ret = hls->avf->io_open(hls->avf, &out, sub_path, AVIO_FLAG_WRITE, &options)) < 0) {
+ av_free(sub_path);
+ goto fail;
+ }
+ ff_format_io_close(hls->avf, &out);
+ } else if (unlink(sub_path) < 0) {
av_log(hls, AV_LOG_ERROR, "failed to delete old segment %s: %s\n",
sub_path, strerror(errno));
}
return 0;
}
+static int read_chomp_line(AVIOContext *s, char *buf, int maxlen)
+{
+ int len = ff_get_line(s, buf, maxlen);
+ while (len > 0 && av_isspace(buf[len - 1]))
+ buf[--len] = '\0';
+ return len;
+}
+
static int hls_mux_init(AVFormatContext *s)
{
HLSContext *hls = s->priv_data;
st->time_base = s->streams[i]->time_base;
}
hls->start_pos = 0;
+ hls->new_start = 1;
return 0;
}
+static HLSSegment *find_segment_by_filename(HLSSegment *segment, const char *filename)
+{
+ while (segment) {
+ if (!av_strcasecmp(segment->filename,filename))
+ return segment;
+ segment = segment->next;
+ }
+ return (HLSSegment *) NULL;
+}
+
/* Create a new segment and append it to the segment list */
static int hls_append_segment(struct AVFormatContext *s, HLSContext *hls, double duration,
int64_t pos, int64_t size)
{
HLSSegment *en = av_malloc(sizeof(*en));
- char *tmp, *p;
- const char *pl_dir, *filename;
+ const char *filename;
int ret;
if (!en)
return AVERROR(ENOMEM);
+ if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
+ strlen(hls->current_segment_final_filename_fmt)) {
+ av_strlcpy(hls->avf->filename, hls->current_segment_final_filename_fmt, sizeof(hls->avf->filename));
+ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
+ char * filename = av_strdup(hls->avf->filename); // %%s will be %s after strftime
+ if (!filename) {
+ av_free(en);
+ return AVERROR(ENOMEM);
+ }
+ if (replace_int_data_in_filename(hls->avf->filename, sizeof(hls->avf->filename),
+ filename, 's', pos + size) < 1) {
+ av_log(hls, AV_LOG_ERROR,
+ "Invalid second level segment filename template '%s', "
+ "you can try to remove second_level_segment_size flag\n",
+ filename);
+ av_free(filename);
+ av_free(en);
+ return AVERROR(EINVAL);
+ }
+ av_free(filename);
+ }
+ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
+ char * filename = av_strdup(hls->avf->filename); // %%t will be %t after strftime
+ if (!filename) {
+ av_free(en);
+ return AVERROR(ENOMEM);
+ }
+ if (replace_int_data_in_filename(hls->avf->filename, sizeof(hls->avf->filename),
+ filename, 't', (int64_t)round(duration * HLS_MICROSECOND_UNIT)) < 1) {
+ av_log(hls, AV_LOG_ERROR,
+ "Invalid second level segment filename template '%s', "
+ "you can try to remove second_level_segment_time flag\n",
+ filename);
+ av_free(filename);
+ av_free(en);
+ return AVERROR(EINVAL);
+ }
+ av_free(filename);
+ }
+ }
+
+
filename = av_basename(hls->avf->filename);
if (hls->use_localtime_mkdir) {
- /* Possibly prefix with mkdir'ed subdir, if playlist share same
- * base path. */
- tmp = av_strdup(s->filename);
- if (!tmp) {
- av_free(en);
- return AVERROR(ENOMEM);
- }
-
- pl_dir = av_dirname(tmp);
- p = hls->avf->filename;
- if (strstr(p, pl_dir) == p)
- filename = hls->avf->filename + strlen(pl_dir) + 1;
- av_free(tmp);
+ filename = hls->avf->filename;
+ }
+ if (find_segment_by_filename(hls->segments, filename)
+ || find_segment_by_filename(hls->old_segments, filename)) {
+ av_log(hls, AV_LOG_WARNING, "Duplicated segment filename detected: %s\n", filename);
}
av_strlcpy(en->filename, filename, sizeof(en->filename));
en->pos = pos;
en->size = size;
en->next = NULL;
+ en->discont = 0;
+
+ if (hls->discontinuity) {
+ en->discont = 1;
+ hls->discontinuity = 0;
+ }
if (hls->key_info_file) {
av_strlcpy(en->key_uri, hls->key_uri, sizeof(en->key_uri));
if (hls->max_nb_segments && hls->nb_entries >= hls->max_nb_segments) {
en = hls->segments;
+ hls->initial_prog_date_time += en->duration;
hls->segments = en->next;
if (en && hls->flags & HLS_DELETE_SEGMENTS &&
!(hls->flags & HLS_SINGLE_FILE || hls->wrap)) {
} else
hls->nb_entries++;
+ if (hls->max_seg_size > 0) {
+ return 0;
+ }
hls->sequence++;
return 0;
}
+static int parse_playlist(AVFormatContext *s, const char *url)
+{
+ HLSContext *hls = s->priv_data;
+ AVIOContext *in;
+ int ret = 0, is_segment = 0;
+ int64_t new_start_pos;
+ char line[1024];
+ const char *ptr;
+
+ if ((ret = ffio_open_whitelist(&in, url, AVIO_FLAG_READ,
+ &s->interrupt_callback, NULL,
+ s->protocol_whitelist, s->protocol_blacklist)) < 0)
+ return ret;
+
+ read_chomp_line(in, line, sizeof(line));
+ if (strcmp(line, "#EXTM3U")) {
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
+
+ hls->discontinuity = 0;
+ while (!avio_feof(in)) {
+ read_chomp_line(in, line, sizeof(line));
+ if (av_strstart(line, "#EXT-X-MEDIA-SEQUENCE:", &ptr)) {
+ int64_t tmp_sequence = strtoll(ptr, NULL, 10);
+ if (tmp_sequence < hls->sequence)
+ av_log(hls, AV_LOG_VERBOSE,
+ "Found playlist sequence number was smaller """
+ "than specified start sequence number: %"PRId64" < %"PRId64", "
+ "omitting\n", tmp_sequence, hls->start_sequence);
+ else {
+ av_log(hls, AV_LOG_DEBUG, "Found playlist sequence number: %"PRId64"\n", tmp_sequence);
+ hls->sequence = tmp_sequence;
+ }
+ } else if (av_strstart(line, "#EXT-X-DISCONTINUITY", &ptr)) {
+ is_segment = 1;
+ hls->discontinuity = 1;
+ } else if (av_strstart(line, "#EXTINF:", &ptr)) {
+ is_segment = 1;
+ hls->duration = atof(ptr);
+ } else if (av_strstart(line, "#", NULL)) {
+ continue;
+ } else if (line[0]) {
+ if (is_segment) {
+ is_segment = 0;
+ new_start_pos = avio_tell(hls->avf->pb);
+ hls->size = new_start_pos - hls->start_pos;
+ av_strlcpy(hls->avf->filename, line, sizeof(line));
+ ret = hls_append_segment(s, hls, hls->duration, hls->start_pos, hls->size);
+ if (ret < 0)
+ goto fail;
+ hls->start_pos = new_start_pos;
+ }
+ }
+ }
+
+fail:
+ avio_close(in);
+ return ret;
+}
+
static void hls_free_segments(HLSSegment *p)
{
HLSSegment *en;
av_dict_set(options, "method", c->method, 0);
}
+static void write_m3u8_head_block(HLSContext *hls, AVIOContext *out, int version,
+ int target_duration, int64_t sequence)
+{
+ avio_printf(out, "#EXTM3U\n");
+ avio_printf(out, "#EXT-X-VERSION:%d\n", version);
+ if (hls->allowcache == 0 || hls->allowcache == 1) {
+ avio_printf(out, "#EXT-X-ALLOW-CACHE:%s\n", hls->allowcache == 0 ? "NO" : "YES");
+ }
+ avio_printf(out, "#EXT-X-TARGETDURATION:%d\n", target_duration);
+ avio_printf(out, "#EXT-X-MEDIA-SEQUENCE:%"PRId64"\n", sequence);
+ av_log(hls, AV_LOG_VERBOSE, "EXT-X-MEDIA-SEQUENCE:%"PRId64"\n", sequence);
+}
+
static int hls_window(AVFormatContext *s, int last)
{
HLSContext *hls = s->priv_data;
AVIOContext *sub_out = NULL;
char temp_filename[1024];
int64_t sequence = FFMAX(hls->start_sequence, hls->sequence - hls->nb_entries);
- int version = hls->flags & HLS_SINGLE_FILE ? 4 : 3;
+ int version = 3;
const char *proto = avio_find_protocol_name(s->filename);
int use_rename = proto && !strcmp(proto, "file");
static unsigned warned_non_file;
char *key_uri = NULL;
char *iv_string = NULL;
AVDictionary *options = NULL;
+ double prog_date_time = hls->initial_prog_date_time;
+ int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
+
+ if (byterange_mode) {
+ version = 4;
+ sequence = 0;
+ }
if (!use_rename && !warned_non_file++)
- av_log(s, AV_LOG_ERROR, "Cannot use rename on non file protocol, this may lead to races and temporarly partial files\n");
+ av_log(s, AV_LOG_ERROR, "Cannot use rename on non file protocol, this may lead to races and temporary partial files\n");
set_http_options(&options, hls);
snprintf(temp_filename, sizeof(temp_filename), use_rename ? "%s.tmp" : "%s", s->filename);
goto fail;
for (en = hls->segments; en; en = en->next) {
- if (target_duration < en->duration)
- target_duration = ceil(en->duration);
+ if (target_duration <= en->duration)
+ target_duration = get_int_from_double(en->duration);
}
hls->discontinuity_set = 0;
- avio_printf(out, "#EXTM3U\n");
- avio_printf(out, "#EXT-X-VERSION:%d\n", version);
- if (hls->allowcache == 0 || hls->allowcache == 1) {
- avio_printf(out, "#EXT-X-ALLOW-CACHE:%s\n", hls->allowcache == 0 ? "NO" : "YES");
- }
- avio_printf(out, "#EXT-X-TARGETDURATION:%d\n", target_duration);
- avio_printf(out, "#EXT-X-MEDIA-SEQUENCE:%"PRId64"\n", sequence);
+ write_m3u8_head_block(hls, out, version, target_duration, sequence);
if (hls->pl_type == PLAYLIST_TYPE_EVENT) {
avio_printf(out, "#EXT-X-PLAYLIST-TYPE:EVENT\n");
} else if (hls->pl_type == PLAYLIST_TYPE_VOD) {
avio_printf(out, "#EXT-X-PLAYLIST-TYPE:VOD\n");
}
- av_log(s, AV_LOG_VERBOSE, "EXT-X-MEDIA-SEQUENCE:%"PRId64"\n",
- sequence);
if((hls->flags & HLS_DISCONT_START) && sequence==hls->start_sequence && hls->discontinuity_set==0 ){
avio_printf(out, "#EXT-X-DISCONTINUITY\n");
hls->discontinuity_set = 1;
iv_string = en->iv_string;
}
+ if (en->discont) {
+ avio_printf(out, "#EXT-X-DISCONTINUITY\n");
+ }
+
if (hls->flags & HLS_ROUND_DURATIONS)
avio_printf(out, "#EXTINF:%ld,\n", lrint(en->duration));
else
avio_printf(out, "#EXTINF:%f,\n", en->duration);
- if (hls->flags & HLS_SINGLE_FILE)
+ if (byterange_mode)
avio_printf(out, "#EXT-X-BYTERANGE:%"PRIi64"@%"PRIi64"\n",
en->size, en->pos);
+ if (hls->flags & HLS_PROGRAM_DATE_TIME) {
+ time_t tt, wrongsecs;
+ int milli;
+ struct tm *tm, tmpbuf;
+ char buf0[128], buf1[128];
+ tt = (int64_t)prog_date_time;
+ milli = av_clip(lrint(1000*(prog_date_time - tt)), 0, 999);
+ tm = localtime_r(&tt, &tmpbuf);
+ strftime(buf0, sizeof(buf0), "%Y-%m-%dT%H:%M:%S", tm);
+ if (!strftime(buf1, sizeof(buf1), "%z", tm) || buf1[1]<'0' ||buf1[1]>'2') {
+ int tz_min, dst = tm->tm_isdst;
+ tm = gmtime_r(&tt, &tmpbuf);
+ tm->tm_isdst = dst;
+ wrongsecs = mktime(tm);
+ tz_min = (abs(wrongsecs - tt) + 30) / 60;
+ snprintf(buf1, sizeof(buf1),
+ "%c%02d%02d",
+ wrongsecs <= tt ? '+' : '-',
+ tz_min / 60,
+ tz_min % 60);
+ }
+ avio_printf(out, "#EXT-X-PROGRAM-DATE-TIME:%s.%03d%s\n", buf0, milli, buf1);
+ prog_date_time += en->duration;
+ }
if (hls->baseurl)
avio_printf(out, "%s", hls->baseurl);
avio_printf(out, "%s\n", en->filename);
if( hls->vtt_m3u8_name ) {
if ((ret = s->io_open(s, &sub_out, hls->vtt_m3u8_name, AVIO_FLAG_WRITE, &options)) < 0)
goto fail;
- avio_printf(sub_out, "#EXTM3U\n");
- avio_printf(sub_out, "#EXT-X-VERSION:%d\n", version);
- if (hls->allowcache == 0 || hls->allowcache == 1) {
- avio_printf(sub_out, "#EXT-X-ALLOW-CACHE:%s\n", hls->allowcache == 0 ? "NO" : "YES");
- }
- avio_printf(sub_out, "#EXT-X-TARGETDURATION:%d\n", target_duration);
- avio_printf(sub_out, "#EXT-X-MEDIA-SEQUENCE:%"PRId64"\n", sequence);
-
- av_log(s, AV_LOG_VERBOSE, "EXT-X-MEDIA-SEQUENCE:%"PRId64"\n",
- sequence);
+ write_m3u8_head_block(hls, sub_out, version, target_duration, sequence);
for (en = hls->segments; en; en = en->next) {
avio_printf(sub_out, "#EXTINF:%f,\n", en->duration);
- if (hls->flags & HLS_SINGLE_FILE)
+ if (byterange_mode)
avio_printf(sub_out, "#EXT-X-BYTERANGE:%"PRIi64"@%"PRIi64"\n",
en->size, en->pos);
if (hls->baseurl)
if (c->vtt_basename)
av_strlcpy(vtt_oc->filename, c->vtt_basename,
sizeof(vtt_oc->filename));
+ } else if (c->max_seg_size > 0) {
+ if (replace_int_data_in_filename(oc->filename, sizeof(oc->filename),
+ c->basename, 'd', c->wrap ? c->sequence % c->wrap : c->sequence) < 1) {
+ av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s', you can try to use -use_localtime 1 with it\n", c->basename);
+ return AVERROR(EINVAL);
+ }
} else {
if (c->use_localtime) {
time_t now0;
av_log(oc, AV_LOG_ERROR, "Could not get segment filename with use_localtime\n");
return AVERROR(EINVAL);
}
-
+ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_INDEX) {
+ char * filename = av_strdup(oc->filename); // %%d will be %d after strftime
+ if (!filename)
+ return AVERROR(ENOMEM);
+ if (replace_int_data_in_filename(oc->filename, sizeof(oc->filename),
+ filename, 'd', c->wrap ? c->sequence % c->wrap : c->sequence) < 1) {
+ av_log(c, AV_LOG_ERROR,
+ "Invalid second level segment filename template '%s', "
+ "you can try to remove second_level_segment_index flag\n",
+ filename);
+ av_free(filename);
+ return AVERROR(EINVAL);
+ }
+ av_free(filename);
+ }
+ if (c->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) {
+ av_strlcpy(c->current_segment_final_filename_fmt, oc->filename,
+ sizeof(c->current_segment_final_filename_fmt));
+ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
+ char * filename = av_strdup(oc->filename); // %%s will be %s after strftime
+ if (!filename)
+ return AVERROR(ENOMEM);
+ if (replace_int_data_in_filename(oc->filename, sizeof(oc->filename), filename, 's', 0) < 1) {
+ av_log(c, AV_LOG_ERROR,
+ "Invalid second level segment filename template '%s', "
+ "you can try to remove second_level_segment_size flag\n",
+ filename);
+ av_free(filename);
+ return AVERROR(EINVAL);
+ }
+ av_free(filename);
+ }
+ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
+ char * filename = av_strdup(oc->filename); // %%t will be %t after strftime
+ if (!filename)
+ return AVERROR(ENOMEM);
+ if (replace_int_data_in_filename(oc->filename, sizeof(oc->filename), filename, 't', 0) < 1) {
+ av_log(c, AV_LOG_ERROR,
+ "Invalid second level segment filename template '%s', "
+ "you can try to remove second_level_segment_time flag\n",
+ filename);
+ av_free(filename);
+ return AVERROR(EINVAL);
+ }
+ av_free(filename);
+ }
+ }
if (c->use_localtime_mkdir) {
const char *dir;
char *fn_copy = av_strdup(oc->filename);
return AVERROR(ENOMEM);
}
dir = av_dirname(fn_copy);
- if (mkdir(dir, 0777) == -1 && errno != EEXIST) {
+ if (mkdir_p(dir) == -1 && errno != EEXIST) {
av_log(oc, AV_LOG_ERROR, "Could not create directory %s with use_localtime_mkdir\n", dir);
av_free(fn_copy);
return AVERROR(errno);
}
av_free(fn_copy);
}
- } else if (av_get_frame_filename(oc->filename, sizeof(oc->filename),
- c->basename, c->wrap ? c->sequence % c->wrap : c->sequence) < 0) {
- av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s' you can try use -use_localtime 1 with it\n", c->basename);
+ } else if (replace_int_data_in_filename(oc->filename, sizeof(oc->filename),
+ c->basename, 'd', c->wrap ? c->sequence % c->wrap : c->sequence) < 1) {
+ av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s' you can try to use -use_localtime 1 with it\n", c->basename);
return AVERROR(EINVAL);
}
if( c->vtt_basename) {
- if (av_get_frame_filename(vtt_oc->filename, sizeof(vtt_oc->filename),
- c->vtt_basename, c->wrap ? c->sequence % c->wrap : c->sequence) < 0) {
+ if (replace_int_data_in_filename(vtt_oc->filename, sizeof(vtt_oc->filename),
+ c->vtt_basename, 'd', c->wrap ? c->sequence % c->wrap : c->sequence) < 1) {
av_log(vtt_oc, AV_LOG_ERROR, "Invalid segment filename template '%s'\n", c->vtt_basename);
return AVERROR(EINVAL);
}
return err;
}
+static const char * get_default_pattern_localtime_fmt(void)
+{
+ char b[21];
+ time_t t = time(NULL);
+ struct tm *p, tmbuf;
+ p = localtime_r(&t, &tmbuf);
+ // no %s support when strftime returned error or left format string unchanged
+ return (!strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.ts" : "-%s.ts";
+}
+
static int hls_write_header(AVFormatContext *s)
{
HLSContext *hls = s->priv_data;
int ret, i;
char *p;
const char *pattern = "%d.ts";
- const char *pattern_localtime_fmt = "-%s.ts";
+ const char *pattern_localtime_fmt = get_default_pattern_localtime_fmt();
const char *vtt_pattern = "%d.vtt";
AVDictionary *options = NULL;
int basename_size;
int vtt_basename_size;
+ if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH || hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME) {
+ time_t t = time(NULL); // we will need it in either case
+ if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) {
+ hls->start_sequence = (int64_t)t;
+ } else if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME) {
+ char b[15];
+ struct tm *p, tmbuf;
+ if (!(p = localtime_r(&t, &tmbuf)))
+ return AVERROR(ENOMEM);
+ if (!strftime(b, sizeof(b), "%Y%m%d%H%M%S", p))
+ return AVERROR(ENOMEM);
+ hls->start_sequence = strtoll(b, NULL, 10);
+ }
+ av_log(hls, AV_LOG_DEBUG, "start_number evaluated to %"PRId64"\n", hls->start_sequence);
+ }
+
hls->sequence = hls->start_sequence;
- hls->recording_time = hls->time * AV_TIME_BASE;
+ hls->recording_time = (hls->init_time ? hls->init_time : hls->time) * AV_TIME_BASE;
hls->start_pts = AV_NOPTS_VALUE;
+ hls->current_segment_final_filename_fmt[0] = '\0';
+
+ if (hls->flags & HLS_PROGRAM_DATE_TIME) {
+ time_t now0;
+ time(&now0);
+ hls->initial_prog_date_time = now0;
+ }
if (hls->format_options_str) {
ret = av_dict_parse_string(&hls->format_options, hls->format_options_str, "=", ":", 0);
av_strlcat(hls->basename, pattern, basename_size);
}
}
-
+ if (!hls->use_localtime) {
+ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
+ av_log(hls, AV_LOG_ERROR,
+ "second_level_segment_duration hls_flag requires use_localtime to be true\n");
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
+ av_log(hls, AV_LOG_ERROR,
+ "second_level_segment_size hls_flag requires use_localtime to be true\n");
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_INDEX) {
+ av_log(hls, AV_LOG_ERROR,
+ "second_level_segment_index hls_flag requires use_localtime to be true\n");
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ } else {
+ const char *proto = avio_find_protocol_name(hls->basename);
+ int segment_renaming_ok = proto && !strcmp(proto, "file");
+
+ if ((hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) && !segment_renaming_ok) {
+ av_log(hls, AV_LOG_ERROR,
+ "second_level_segment_duration hls_flag works only with file protocol segment names\n");
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ if ((hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) && !segment_renaming_ok) {
+ av_log(hls, AV_LOG_ERROR,
+ "second_level_segment_size hls_flag works only with file protocol segment names\n");
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ }
if(hls->has_subtitle) {
if (hls->flags & HLS_SINGLE_FILE)
if ((ret = hls_mux_init(s)) < 0)
goto fail;
+ if (hls->flags & HLS_APPEND_LIST) {
+ parse_playlist(s, s->filename);
+ hls->discontinuity = 1;
+ if (hls->init_time > 0) {
+ av_log(s, AV_LOG_WARNING, "append_list mode does not support hls_init_time,"
+ " hls_init_time value will have no effect\n");
+ hls->init_time = 0;
+ hls->recording_time = hls->time * AV_TIME_BASE;
+ }
+ }
+
if ((ret = hls_start(s)) < 0)
goto fail;
for (i = 0; i < s->nb_streams; i++) {
AVStream *inner_st;
AVStream *outer_st = s->streams[i];
+
+ if (hls->max_seg_size > 0) {
+ if ((outer_st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) &&
+ (outer_st->codecpar->bit_rate > hls->max_seg_size)) {
+ av_log(s, AV_LOG_WARNING, "Your video bitrate is bigger than hls_segment_size, "
+ "(%"PRId64 " > %"PRId64 "), the result maybe not be what you want.",
+ outer_st->codecpar->bit_rate, hls->max_seg_size);
+ }
+ }
+
if (outer_st->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE)
inner_st = hls->avf->streams[i];
else if (hls->vtt_avf)
int ret, can_split = 1;
int stream_index = 0;
+ if (hls->sequence - hls->nb_entries > hls->start_sequence && hls->init_time > 0) {
+ /* reset end_pts, hls->recording_time at end of the init hls list */
+ int init_list_dur = hls->init_time * hls->nb_entries * AV_TIME_BASE;
+ int after_init_list_dur = (hls->sequence - hls->nb_entries ) * hls->time * AV_TIME_BASE;
+ hls->recording_time = hls->time * AV_TIME_BASE;
+ end_pts = init_list_dur + after_init_list_dur ;
+ }
+
if( st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE ) {
oc = hls->vtt_avf;
stream_index = 0;
if (pkt->pts == AV_NOPTS_VALUE)
is_ref_pkt = can_split = 0;
- if (is_ref_pkt)
- hls->duration = (double)(pkt->pts - hls->end_pts)
- * st->time_base.num / st->time_base.den;
+ if (is_ref_pkt) {
+ if (hls->new_start) {
+ hls->new_start = 0;
+ hls->duration = (double)(pkt->pts - hls->end_pts)
+ * st->time_base.num / st->time_base.den;
+ hls->dpp = (double)(pkt->duration) * st->time_base.num / st->time_base.den;
+ } else {
+ hls->duration += (double)(pkt->duration) * 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) {
int64_t new_start_pos;
+ char *old_filename = av_strdup(hls->avf->filename);
+
+ if (!old_filename) {
+ return AVERROR(ENOMEM);
+ }
+
av_write_frame(oc, NULL); /* Flush any buffered data */
new_start_pos = avio_tell(hls->avf->pb);
hls->size = new_start_pos - hls->start_pos;
ret = hls_append_segment(s, hls, hls->duration, hls->start_pos, hls->size);
hls->start_pos = new_start_pos;
- if (ret < 0)
+ if (ret < 0) {
+ av_free(old_filename);
return ret;
+ }
hls->end_pts = pkt->pts;
hls->duration = 0;
if (hls->avf->oformat->priv_class && hls->avf->priv_data)
av_opt_set(hls->avf->priv_data, "mpegts_flags", "resend_headers", 0);
hls->number++;
+ } else if (hls->max_seg_size > 0) {
+ if (hls->avf->oformat->priv_class && hls->avf->priv_data)
+ av_opt_set(hls->avf->priv_data, "mpegts_flags", "resend_headers", 0);
+ if (hls->start_pos >= hls->max_seg_size) {
+ hls->sequence++;
+ ff_format_io_close(s, &oc->pb);
+ if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
+ strlen(hls->current_segment_final_filename_fmt)) {
+ ff_rename(old_filename, hls->avf->filename, hls);
+ }
+ if (hls->vtt_avf)
+ ff_format_io_close(s, &hls->vtt_avf->pb);
+ ret = hls_start(s);
+ hls->start_pos = 0;
+ /* When split segment by byte, the duration is short than hls_time,
+ * so it is not enough one segment duration as hls_time, */
+ hls->number--;
+ }
+ hls->number++;
} else {
ff_format_io_close(s, &oc->pb);
+ if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
+ strlen(hls->current_segment_final_filename_fmt)) {
+ ff_rename(old_filename, hls->avf->filename, hls);
+ }
if (hls->vtt_avf)
ff_format_io_close(s, &hls->vtt_avf->pb);
ret = hls_start(s);
}
- if (ret < 0)
+ if (ret < 0) {
+ av_free(old_filename);
return ret;
+ }
- if( st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE )
- oc = hls->vtt_avf;
- else
- oc = hls->avf;
-
- if ((ret = hls_window(s, 0)) < 0)
+ if ((ret = hls_window(s, 0)) < 0) {
+ av_free(old_filename);
return ret;
+ }
}
ret = ff_write_chained(oc, stream_index, pkt, s, 0);
HLSContext *hls = s->priv_data;
AVFormatContext *oc = hls->avf;
AVFormatContext *vtt_oc = hls->vtt_avf;
+ char *old_filename = av_strdup(hls->avf->filename);
+
+ if (!old_filename) {
+ return AVERROR(ENOMEM);
+ }
+
av_write_trailer(oc);
if (oc->pb) {
hls->size = avio_tell(hls->avf->pb) - hls->start_pos;
ff_format_io_close(s, &oc->pb);
- hls_append_segment(s, hls, hls->duration, hls->start_pos, hls->size);
+ /* after av_write_trailer, then duration + 1 duration per packet */
+ hls_append_segment(s, hls, hls->duration + hls->dpp, hls->start_pos, hls->size);
+ }
+
+ if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
+ strlen(hls->current_segment_final_filename_fmt)) {
+ ff_rename(old_filename, hls->avf->filename, hls);
}
if (vtt_oc) {
av_freep(&hls->basename);
avformat_free_context(oc);
+ hls->avf = NULL;
+ hls_window(s, 1);
+
if (vtt_oc) {
av_freep(&hls->vtt_basename);
av_freep(&hls->vtt_m3u8_name);
avformat_free_context(vtt_oc);
}
- hls->avf = NULL;
- hls_window(s, 1);
-
hls_free_segments(hls->segments);
hls_free_segments(hls->old_segments);
+ av_free(old_filename);
return 0;
}
static const AVOption options[] = {
{"start_number", "set first number in the sequence", OFFSET(start_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_init_time", "set segment length in seconds at init list", OFFSET(init_time), AV_OPT_TYPE_FLOAT, {.dbl = 0}, 0, FLT_MAX, E},
{"hls_list_size", "set maximum number of playlist entries", OFFSET(max_nb_segments), AV_OPT_TYPE_INT, {.i64 = 5}, 0, INT_MAX, E},
{"hls_ts_options","set hls mpegts list of options for the container format used for hls", OFFSET(format_options_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
{"hls_vtt_options","set hls vtt list of options for the container format used for hls", OFFSET(vtt_format_options_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
{"hls_allow_cache", "explicitly set whether the client MAY (1) or MUST NOT (0) cache media segments", OFFSET(allowcache), AV_OPT_TYPE_INT, {.i64 = -1}, INT_MIN, INT_MAX, E},
{"hls_base_url", "url to prepend to each playlist entry", OFFSET(baseurl), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
{"hls_segment_filename", "filename template for segment files", OFFSET(segment_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
+ {"hls_segment_size", "maximum size per segment file, (in bytes)", OFFSET(max_seg_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, E},
{"hls_key_info_file", "file with key URI and key file path", OFFSET(key_info_file), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
{"hls_subtitle_path", "set path of hls subtitles", OFFSET(subtitle_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
{"hls_flags", "set flags affecting HLS playlist and media file generation", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = 0 }, 0, UINT_MAX, E, "flags"},
{"discont_start", "start the playlist with a discontinuity tag", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_DISCONT_START }, 0, UINT_MAX, E, "flags"},
{"omit_endlist", "Do not append an endlist when ending stream", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_OMIT_ENDLIST }, 0, UINT_MAX, E, "flags"},
{"split_by_time", "split the hls segment by time which user set by hls_time", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SPLIT_BY_TIME }, 0, UINT_MAX, E, "flags"},
+ {"append_list", "append the new segments into old hls segment list", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_APPEND_LIST }, 0, UINT_MAX, E, "flags"},
+ {"program_date_time", "add EXT-X-PROGRAM-DATE-TIME", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PROGRAM_DATE_TIME }, 0, UINT_MAX, E, "flags"},
+ {"second_level_segment_index", "include segment index in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_INDEX }, 0, UINT_MAX, E, "flags"},
+ {"second_level_segment_duration", "include segment duration in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_DURATION }, 0, UINT_MAX, E, "flags"},
+ {"second_level_segment_size", "include segment size in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_SIZE }, 0, UINT_MAX, E, "flags"},
{"use_localtime", "set filename expansion with strftime at segment creation", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
{"use_localtime_mkdir", "create last directory component in strftime-generated filename", OFFSET(use_localtime_mkdir), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
{"hls_playlist_type", "set the HLS playlist type", OFFSET(pl_type), AV_OPT_TYPE_INT, {.i64 = PLAYLIST_TYPE_NONE }, 0, PLAYLIST_TYPE_NB-1, E, "pl_type" },
{"event", "EVENT playlist", 0, AV_OPT_TYPE_CONST, {.i64 = PLAYLIST_TYPE_EVENT }, INT_MIN, INT_MAX, E, "pl_type" },
{"vod", "VOD playlist", 0, AV_OPT_TYPE_CONST, {.i64 = PLAYLIST_TYPE_VOD }, INT_MIN, INT_MAX, E, "pl_type" },
{"method", "set the HTTP method", OFFSET(method), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
-
+ {"hls_start_number_source", "set source of first number in sequence", OFFSET(start_sequence_source_type), AV_OPT_TYPE_INT, {.i64 = HLS_START_SEQUENCE_AS_START_NUMBER }, 0, HLS_START_SEQUENCE_AS_FORMATTED_DATETIME, E, "start_sequence_source_type" },
+ {"generic", "start_number value (default)", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_START_NUMBER }, INT_MIN, INT_MAX, E, "start_sequence_source_type" },
+ {"epoch", "seconds since epoch", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH }, INT_MIN, INT_MAX, E, "start_sequence_source_type" },
+ {"datetime", "current datetime as YYYYMMDDhhmmss", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_FORMATTED_DATETIME }, INT_MIN, INT_MAX, E, "start_sequence_source_type" },
{ NULL },
};
projects / ffmpeg / blobdiff