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Add properties to get/set the stream position and get the stream 

start pos, end pos and length. Based on Reimar's patch.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18227 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
albeu 2006-04-23 15:39:51 +00:00
parent 152d7ed02c
commit 44e9960dd0
1 changed files with 53 additions and 0 deletions
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53
mplayer.c
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@ -1361,6 +1361,51 @@ static int mp_property_demuxer(m_option_t* prop,int action,void* arg) {
return m_property_string_ro(prop,action,arg,(char*)demuxer->desc->name);
}
static int mp_property_stream_pos(m_option_t* prop,int action,void* arg) {
if (!demuxer || !demuxer->stream) return M_PROPERTY_UNAVAILABLE;
if (!arg) return M_PROPERTY_ERROR;
switch (action) {
case M_PROPERTY_GET:
*(off_t*)arg = stream_tell(demuxer->stream);
return M_PROPERTY_OK;
case M_PROPERTY_SET:
M_PROPERTY_CLAMP(prop,*(off_t*)arg);
stream_seek(demuxer->stream, *(off_t*)arg);
return M_PROPERTY_OK;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
static int mp_property_stream_start(m_option_t* prop,int action,void* arg) {
if (!demuxer || !demuxer->stream) return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
*(off_t*)arg = demuxer->stream->start_pos;
return M_PROPERTY_OK;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
static int mp_property_stream_end(m_option_t* prop,int action,void* arg) {
if (!demuxer || !demuxer->stream) return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
*(off_t*)arg = demuxer->stream->end_pos;
return M_PROPERTY_OK;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
static int mp_property_stream_length(m_option_t* prop,int action,void* arg) {
if (!demuxer || !demuxer->stream) return M_PROPERTY_UNAVAILABLE;
switch (action) {
case M_PROPERTY_GET:
*(off_t*)arg = demuxer->stream->end_pos - demuxer->stream->start_pos;
return M_PROPERTY_OK;
}
return M_PROPERTY_NOT_IMPLEMENTED;
}
static int mp_property_length(m_option_t* prop,int action,void* arg) {
double len;
@ -2009,6 +2054,14 @@ static m_option_t mp_properties[] = {
0, 0, 0, NULL },
{ "demuxer", mp_property_demuxer, CONF_TYPE_STRING,
0, 0, 0, NULL },
{ "stream_pos", mp_property_stream_pos, CONF_TYPE_POSITION,
M_OPT_MIN, 0, 0, NULL },
{ "stream_start", mp_property_stream_start, CONF_TYPE_POSITION,
M_OPT_MIN, 0, 0, NULL },
{ "stream_end", mp_property_stream_end, CONF_TYPE_POSITION,
M_OPT_MIN, 0, 0, NULL },
{ "stream_length", mp_property_stream_length, CONF_TYPE_POSITION,
M_OPT_MIN, 0, 0, NULL },
{ "length", mp_property_length, CONF_TYPE_DOUBLE,
0, 0, 0, NULL },