#include <sys/time.h>
#include <time.h>
+#include "libavcodec/timecode.h"
+#include "libavutil/avstring.h"
#include "libavutil/colorspace.h"
#include "libavutil/file.h"
#include "libavutil/eval.h"
AVExpr *d_pexpr;
int draw; ///< set to zero to prevent drawing
AVLFG prng; ///< random
+ struct ff_timecode tc;
+ int frame_id;
} DrawTextContext;
#define OFFSET(x) offsetof(DrawTextContext, x)
{"tabsize", "set tab size", OFFSET(tabsize), AV_OPT_TYPE_INT, {.dbl=4}, 0, INT_MAX },
{"basetime", "set base time", OFFSET(basetime), AV_OPT_TYPE_INT64, {.dbl=AV_NOPTS_VALUE}, INT64_MIN, INT64_MAX },
{"draw", "if false do not draw", OFFSET(d_expr), AV_OPT_TYPE_STRING, {.str="1"}, CHAR_MIN, CHAR_MAX },
+{"timecode", "set initial timecode", OFFSET(tc.str), AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX },
+{"r", "set rate (timecode only)", OFFSET(tc.rate), AV_OPT_TYPE_RATIONAL, {.dbl=0}, 0, INT_MAX },
+{"rate", "set rate (timecode only)", OFFSET(tc.rate), AV_OPT_TYPE_RATIONAL, {.dbl=0}, 0, INT_MAX },
/* FT_LOAD_* flags */
{"ft_load_flags", "set font loading flags for libfreetype", OFFSET(ft_load_flags), AV_OPT_TYPE_FLAGS, {.dbl=FT_LOAD_DEFAULT|FT_LOAD_RENDER}, 0, INT_MAX, 0, "ft_load_flags" },
av_file_unmap(textbuf, textbuf_size);
}
+ if (dtext->tc.str) {
+ if (avpriv_init_smpte_timecode(ctx, &dtext->tc) < 0)
+ return AVERROR(EINVAL);
+ if (!dtext->text)
+ dtext->text = av_strdup("");
+ }
+
if (!dtext->text) {
av_log(ctx, AV_LOG_ERROR,
- "Either text or a valid file must be provided\n");
+ "Either text, a valid file or a timecode must be provided\n");
return AVERROR(EINVAL);
}
buf_size *= 2;
} while ((buf = av_realloc(buf, buf_size)));
+ if (dtext->tc.str) {
+ char tcbuf[sizeof("hh:mm:ss.ff")];
+ avpriv_timecode_to_string(tcbuf, &dtext->tc, dtext->frame_id++);
+ buf = av_asprintf("%s%s", dtext->text, tcbuf);
+ }
+
if (!buf)
return AVERROR(ENOMEM);
text = dtext->expanded_text = buf;