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command: allow absolute seeks relative to end of stream

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"seek -10 absolute" will seek to 10 seconds before the end. This more or less
matches the --start option and negative seeks were otherwise useless (they just
clipped to 0).
This commit is contained in:
Philip Sequeira 2016-10-01 14:51:17 -04:00 committed by wm4
parent 3a5cbf3907
commit ff531b71e3
2 changed files with 10 additions and 1 deletions
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2
DOCS/man/input.rst
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@ -95,7 +95,7 @@ List of Input Commands
relative (default) relative (default)
Seek relative to current position (a negative value seeks backwards). Seek relative to current position (a negative value seeks backwards).
absolute absolute
Seek to a given time. Seek to a given time (a negative value starts from the end of the file).
absolute-percent absolute-percent
Seek to a given percent position. Seek to a given percent position.
relative-percent relative-percent

9
player/command.c
View File

@ -930,7 +930,9 @@ static int mp_property_chapter(void *ctx, struct m_property *prop,
if (current_chapter_start != MP_NOPTS_VALUE && if (current_chapter_start != MP_NOPTS_VALUE &&
get_current_time(mpctx) - current_chapter_start > get_current_time(mpctx) - current_chapter_start >
mpctx->opts->chapter_seek_threshold) mpctx->opts->chapter_seek_threshold)
{
step_all++; step_all++;
}
} }
} else // Absolute set } else // Absolute set
step_all = *(int *)arg - chapter; step_all = *(int *)arg - chapter;
@ -4815,6 +4817,13 @@ int run_command(struct MPContext *mpctx, struct mp_cmd *cmd, struct mpv_node *re
break; break;
} }
case 2: { // Absolute seek to a timestamp in seconds case 2: { // Absolute seek to a timestamp in seconds
if (v < 0) {
// Seek from end
double len = get_time_length(mpctx);
if (len < 0)
return -1;
v = MPMAX(0, len + v);
}
queue_seek(mpctx, MPSEEK_ABSOLUTE, v, precision, MPSEEK_FLAG_DELAY); queue_seek(mpctx, MPSEEK_ABSOLUTE, v, precision, MPSEEK_FLAG_DELAY);
set_osd_function(mpctx, set_osd_function(mpctx,
v > get_current_time(mpctx) ? OSD_FFW : OSD_REW); v > get_current_time(mpctx) ? OSD_FFW : OSD_REW);