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Add length querying

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Original commit message from CVS:
Add length querying
This commit is contained in:
David Schleef 2003-01-23 21:06:30 +00:00
parent 3be60ae602
commit b534ea2616
1 changed files with 14 additions and 36 deletions
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50
ext/swfdec/gstswfdec.c
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@ -102,9 +102,11 @@ gst_swfdec_request_new_pad (GstElement *element, GstPadTemplate *templ,
#if 0 #if 0
static gboolean gst_swfdec_src_event (GstPad *pad, GstEvent *event); static gboolean gst_swfdec_src_event (GstPad *pad, GstEvent *event);
#endif
static gboolean gst_swfdec_src_query (GstPad *pad, GstQueryType type, static gboolean gst_swfdec_src_query (GstPad *pad, GstQueryType type,
GstFormat *format, gint64 *value); GstFormat *format, gint64 *value);
#if 0
static gboolean gst_swfdec_convert_sink (GstPad *pad, GstFormat src_format, gint64 src_value, static gboolean gst_swfdec_convert_sink (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value); GstFormat *dest_format, gint64 *dest_value);
static gboolean gst_swfdec_convert_src (GstPad *pad, GstFormat src_format, gint64 src_value, static gboolean gst_swfdec_convert_src (GstPad *pad, GstFormat src_format, gint64 src_value,
@ -473,18 +475,19 @@ gst_swfdec_loop(GstElement *element)
swfdec = GST_SWFDEC(element); swfdec = GST_SWFDEC(element);
if(!swfdec->videopad){ if(!swfdec->videopad){
printf("creating videopad\n");
swfdec->videopad = swfdec->videopad =
gst_pad_new_from_template( gst_pad_new_from_template(
GST_PAD_TEMPLATE_GET(video_template_factory), GST_PAD_TEMPLATE_GET(video_template_factory),
"video_00"); "video_00");
printf("videopad=%p\n",swfdec->videopad); gst_pad_set_query_function (swfdec->videopad,
GST_DEBUG_FUNCPTR (gst_swfdec_src_query));
swfdec->audiopad = swfdec->audiopad =
gst_pad_new_from_template( gst_pad_new_from_template(
GST_PAD_TEMPLATE_GET(audio_template_factory), GST_PAD_TEMPLATE_GET(audio_template_factory),
"audio_00"); "audio_00");
gst_pad_set_query_function (swfdec->audiopad,
GST_DEBUG_FUNCPTR (gst_swfdec_src_query));
printf("setting caps\n");
#if 0 #if 0
gst_pad_try_set_caps(swfdec->videopad, gst_pad_try_set_caps(swfdec->videopad,
gst_pad_get_pad_template_caps(swfdec->videopad)); gst_pad_get_pad_template_caps(swfdec->videopad));
@ -850,16 +853,12 @@ gst_swfdec_convert_src (GstPad *pad, GstFormat src_format, gint64 src_value,
} }
#endif #endif
#if 0
static gboolean static gboolean
gst_swfdec_src_query (GstPad *pad, GstQueryType type, gst_swfdec_src_query (GstPad *pad, GstQueryType type,
GstFormat *format, gint64 *value) GstFormat *format, gint64 *value)
{ {
gboolean res = TRUE; gboolean res = TRUE;
GstSwfdec *swfdec; GstSwfdec *swfdec;
static const GstFormat formats[] = { GST_FORMAT_TIME, GST_FORMAT_BYTES };
#define MAX_SEEK_FORMATS 1 /* we can only do time seeking for now */
gint i;
swfdec = GST_SWFDEC (gst_pad_get_parent (pad)); swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
@ -871,33 +870,15 @@ gst_swfdec_src_query (GstPad *pad, GstQueryType type,
*format = GST_FORMAT_TIME; *format = GST_FORMAT_TIME;
/* fallthrough */ /* fallthrough */
case GST_FORMAT_TIME: case GST_FORMAT_TIME:
case GST_FORMAT_BYTES:
case GST_FORMAT_UNITS:
{ {
int n_frames;
int ret;
res = FALSE; res = FALSE;
ret = swfdec_decoder_get_n_frames(swfdec->state, &n_frames);
for (i = 0; i < MAX_SEEK_FORMATS && !res; i++) { if(ret == SWF_OK){
GstFormat peer_format; *value = n_frames * swfdec->interval;
gint64 peer_value; res = TRUE;
peer_format = formats[i];
/* do the probe */
if (gst_pad_query (GST_PAD_PEER (swfdec->sinkpad), GST_QUERY_TOTAL,
&peer_format, &peer_value))
{
GstFormat conv_format;
/* convert to TIME */
conv_format = GST_FORMAT_TIME;
res = gst_pad_convert (swfdec->sinkpad,
peer_format, peer_value,
&conv_format, value);
/* and to final format */
res &= gst_pad_convert (pad,
GST_FORMAT_TIME, *value,
format, value);
}
} }
break; break;
} }
@ -914,9 +895,7 @@ gst_swfdec_src_query (GstPad *pad, GstQueryType type,
*format = GST_FORMAT_TIME; *format = GST_FORMAT_TIME;
/* fallthrough */ /* fallthrough */
default: default:
res = gst_pad_convert (pad, res = FALSE;
GST_FORMAT_TIME, swfdec->next_time,
format, value);
break; break;
} }
break; break;
@ -928,7 +907,6 @@ gst_swfdec_src_query (GstPad *pad, GstQueryType type,
return res; return res;
} }
#endif
#if 0 #if 0
static gboolean static gboolean