/* input/output options */
int64_t start_time;
+ int seek_timestamp;
const char *format;
SpecifierOpt *codec_names;
int64_t ts_offset;
int64_t last_ts;
int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */
+ int seek_timestamp;
int64_t recording_time;
int nb_streams; /* number of stream that ffmpeg is aware of; may be different
from ctx.nb_streams if new streams appear during av_read_frame() */