36 const char *ptr = p->
buf;
39 while (ptr < ptr_end) {
42 if (!memcmp(ptr,
"FORMAT=TIME", 11))
44 if (!memcmp(ptr,
"FORMAT=", 7))
62 double current_pts = 0;
74 line[strcspn(line,
"\r\n")] = 0;
76 if (sscanf(line,
"FORMAT=%d", &fps) == 1 && fps > 3 && fps < 100) {
80 }
else if (sscanf(line,
"%lf %lf", &start, &duration) == 2) {
91 sub->
pts = (int64_t)(current_pts + start*multiplier);
93 current_pts += (start +
duration) * multiplier;
120 int64_t min_ts, int64_t ts, int64_t max_ts,
int flags)
124 min_ts, ts, max_ts, flags);
AVInputFormat ff_mpsub_demuxer
int64_t pos
byte position in stream, -1 if unknown
void ff_subtitles_read_chunk(AVIOContext *pb, AVBPrint *buf)
Same as ff_subtitles_read_text_chunk(), but read from an AVIOContext.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
static int mpsub_probe(AVProbeData *p)
void ff_subtitles_queue_clean(FFDemuxSubtitlesQueue *q)
Remove and destroy all the subtitles packets.
int av_bprint_finalize(AVBPrint *buf, char **ret_str)
Finalize a print buffer.
int ff_subtitles_queue_read_packet(FFDemuxSubtitlesQueue *q, AVPacket *pkt)
Generic read_packet() callback for subtitles demuxers using this queue system.
static av_cold int end(AVCodecContext *avctx)
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
static int mpsub_read_seek(AVFormatContext *s, int stream_index, int64_t min_ts, int64_t ts, int64_t max_ts, int flags)
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
static av_cold int read_close(AVFormatContext *ctx)
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
#define AV_BPRINT_SIZE_UNLIMITED
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max)
enum AVMediaType codec_type
General type of the encoded data.
static int mpsub_read_header(AVFormatContext *s)
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.
int ff_get_line(AVIOContext *s, char *buf, int maxlen)
Read a whole line of text from AVIOContext.
static int read_header(FFV1Context *f)
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
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.
AVIOContext * pb
I/O context.
static int mpsub_read_packet(AVFormatContext *s, AVPacket *pkt)
Rational number (pair of numerator and denominator).
static int mpsub_read_close(AVFormatContext *s)
This structure contains the data a format has to probe a file.
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...
void * priv_data
Format private data.
AVCodecParameters * codecpar
int avio_feof(AVIOContext *s)
feof() equivalent for AVIOContext.
AVPacket * ff_subtitles_queue_insert(FFDemuxSubtitlesQueue *q, const uint8_t *event, size_t len, int merge)
Insert a new subtitle event.
This structure stores compressed data.
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...
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...