41 const unsigned char *ptr = p->
buf;
42 const unsigned char *ptr_end = ptr + p->
buf_size;
47 for (
i = 0;
i < 2;
i++) {
48 if (sscanf(ptr,
"[%"SCNd64
"][%"SCNd64
"]%c", &start, &end, &
c) != 3 &&
49 sscanf(ptr,
"[%"SCNd64
"][]%c", &start, &
c) != 2)
64 if (sscanf(*
line,
"[%"SCNd64
"][]%c%n",
65 pts_start, &
c, &
len) >= 2) {
70 if (sscanf(*
line,
"[%"SCNd64
"][%"SCNd64
"]%c%n",
71 pts_start, &end, &
c, &
len) >= 3) {
72 if (end < *pts_start || end - (uint64_t)*pts_start > INT64_MAX) {
118 sub->pts = pts_start;
134 int64_t min_ts, int64_t ts, int64_t max_ts,
int flags)
138 min_ts, ts, max_ts,
flags);
157 .extensions =
"txt,mpl2",
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
int avio_feof(AVIOContext *s)
Similar to feof() but also returns nonzero on read errors.
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
unsigned int avio_rb24(AVIOContext *s)
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
int ff_get_line(AVIOContext *s, char *buf, int maxlen)
Read a whole line of text from AVIOContext.
#define flags(name, subs,...)
static float sub(float src0, float src1)
static int read_header(FFV1Context *f)
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static av_cold int read_close(AVFormatContext *ctx)
enum AVMediaType codec_type
General type of the encoded data.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
This structure stores compressed data.
This structure contains the data a format has to probe a file.
int buf_size
Size of buf except extra allocated bytes.
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
AVCodecParameters * codecpar
Codec parameters associated with this stream.
int ff_subtitles_queue_seek(FFDemuxSubtitlesQueue *q, AVFormatContext *s, int stream_index, int64_t min_ts, int64_t ts, int64_t max_ts, int flags)
Update current_sub_idx to emulate a seek.
int ff_subtitles_queue_read_packet(FFDemuxSubtitlesQueue *q, AVPacket *pkt)
Generic read_packet() callback for subtitles demuxers using this queue system.
void ff_subtitles_queue_finalize(void *log_ctx, FFDemuxSubtitlesQueue *q)
Set missing durations, sort subtitles by PTS (and then byte position), and drop duplicated events.
void ff_subtitles_queue_clean(FFDemuxSubtitlesQueue *q)
Remove and destroy all the subtitles packets.
AVPacket * ff_subtitles_queue_insert(FFDemuxSubtitlesQueue *q, const uint8_t *event, size_t len, int merge)
Insert a new subtitle event.
static av_always_inline int ff_subtitles_next_line(const char *ptr)
Get the number of characters to increment to jump to the next line, or to the end of the string.