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Combine common code for check whether chapter is available.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25490 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
ulion 2007-12-22 06:20:48 +00:00
parent 673246be0c
commit 376bbbdae0
1 changed files with 4 additions and 12 deletions
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16
command.c
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@ -385,11 +385,12 @@ static int mp_property_chapter(m_option_t *prop, int action, void *arg,
int step_all;
char *chapter_name = NULL;
chapter = demuxer_get_current_chapter(mpctx->demuxer);
if (chapter < 0)
return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
chapter = demuxer_get_current_chapter(mpctx->demuxer);
if (chapter < 0)
return M_PROPERTY_UNAVAILABLE;
if (!arg)
return M_PROPERTY_ERROR;
*(int *) arg = chapter;
@ -397,9 +398,6 @@ static int mp_property_chapter(m_option_t *prop, int action, void *arg,
case M_PROPERTY_PRINT: {
if (!arg)
return M_PROPERTY_ERROR;
chapter = demuxer_get_current_chapter(mpctx->demuxer);
if (chapter < 0)
return M_PROPERTY_UNAVAILABLE;
chapter_name = demuxer_chapter_display_name(mpctx->demuxer, chapter);
if (!chapter_name)
return M_PROPERTY_UNAVAILABLE;
@ -410,9 +408,6 @@ static int mp_property_chapter(m_option_t *prop, int action, void *arg,
if (!arg)
return M_PROPERTY_ERROR;
M_PROPERTY_CLAMP(prop, *(int*)arg);
chapter = demuxer_get_current_chapter(mpctx->demuxer);
if (chapter < 0)
return M_PROPERTY_UNAVAILABLE;
step_all = *(int *)arg - (chapter + 1);
chapter += step_all;
break;
@ -420,9 +415,6 @@ static int mp_property_chapter(m_option_t *prop, int action, void *arg,
case M_PROPERTY_STEP_DOWN: {
step_all = (arg && *(int*)arg != 0 ? *(int*)arg : 1)
* (action == M_PROPERTY_STEP_UP ? 1 : -1);
chapter = demuxer_get_current_chapter(mpctx->demuxer);
if (chapter < 0)
return M_PROPERTY_UNAVAILABLE;
chapter += step_all;
if (chapter < 0)
chapter = 0;