29 #define MAX_LINESIZE 2048
49 if (sscanf(ptr,
"{%*d}{}%c", &
c) != 1 &&
50 sscanf(ptr,
"{%*d}{%*d}%c", &
c) != 1 &&
51 sscanf(ptr,
"{DEFAULT}{}%c", &
c) != 1)
63 if (sscanf(buf,
"{%d}{%c", &
frame, &
c) == 2)
77 static const char *
bom =
"\xEF\xBB\xBF";
96 char *
line = line_buf;
113 if ((sscanf(
line,
"{%d}{}%6lf", &
frame, &fps) == 2 ||
114 sscanf(
line,
"{%d}{%*d}%6lf", &
frame, &fps) == 2)
115 && frame <= 1 && fps > 3 && fps < 100) {
116 pts_info =
av_d2q(fps, 100000);
129 #define SKIP_FRAME_ID \
130 p = strchr(p, '}'); \
132 av_log(s, AV_LOG_WARNING, "Invalid event \"%s\"" \
133 " at line %d\n", line, i); \
177 int64_t min_ts, int64_t ts, int64_t max_ts,
int flags)
181 min_ts, ts, max_ts,
flags);
192 #define OFFSET(x) offsetof(MicroDVDContext, x)
193 #define SD AV_OPT_FLAG_SUBTITLE_PARAM|AV_OPT_FLAG_DECODING_PARAM
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.
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.
const char * av_default_item_name(void *ptr)
Return the context name.
AVRational av_d2q(double d, int max)
Convert a double precision floating point number to a rational.
#define AV_NOPTS_VALUE
Undefined timestamp value.
#define LIBAVUTIL_VERSION_INT
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)
static void frame_end(MpegEncContext *s)
static int frame_start(MpegEncContext *s)
Describe the class of an AVClass context structure.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
enum AVMediaType codec_type
General type of the encoded data.
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
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.
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
Rational number (pair of numerator and denominator).
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.