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baseparse: refactor conversion using helper function and export default convert

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Mark Nauwelaerts 2010-09-16 18:56:46 +02:00 committed by Tim-Philipp Müller
parent 12cc228d84
commit 3c656232eb
2 changed files with 62 additions and 44 deletions
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102
gst/audioparsers/gstbaseparse.c
View file

@ -309,9 +309,6 @@ static gboolean gst_base_parse_src_eventfunc (GstBaseParse * parse,
static gboolean gst_base_parse_is_seekable (GstBaseParse * parse);
gboolean gst_base_parse_convert (GstBaseParse * parse, GstFormat src_format,
gint64 src_value, GstFormat dest_format, gint64 * dest_value);
static void gst_base_parse_drain (GstBaseParse * parse);
static void gst_base_parse_post_bitrates (GstBaseParse * parse,
@ -363,7 +360,7 @@ gst_base_parse_class_init (GstBaseParseClass * klass)
klass->parse_frame = gst_base_parse_parse_frame;
klass->src_event = gst_base_parse_src_eventfunc;
klass->is_seekable = gst_base_parse_is_seekable;
klass->convert = gst_base_parse_convert;
klass->convert = gst_base_parse_convert_default;
GST_DEBUG_CATEGORY_INIT (gst_base_parse_debug, "baseparse", 0,
"baseparse element");
@ -472,33 +469,60 @@ gst_base_parse_parse_frame (GstBaseParse * parse, GstBuffer * buffer)
return GST_FLOW_OK;
}
/**
* gst_base_parse_bytepos_to_time:
* gst_base_parse_convert:
* @parse: #GstBaseParse.
* @bytepos: Position (in bytes) to be converted.
* @pos_in_time: #GstClockTime pointer where the result is set.
* @src_format: #GstFormat describing the source format.
* @src_value: Source value to be converted.
* @dest_format: #GstFormat defining the converted format.
* @dest_value: Pointer where the conversion result will be put.
*
* Convert given byte position into #GstClockTime format.
*
* Returns: TRUE if conversion succeeded.
* Converts using configured "convert" vmethod in #GstBaseParse class.
*
* Returns: TRUE if conversion was successful.
*/
static gboolean
gst_base_parse_bytepos_to_time (GstBaseParse * parse, gint64 bytepos,
GstClockTime * pos_in_time)
gst_base_parse_convert (GstBaseParse * parse,
GstFormat src_format,
gint64 src_value, GstFormat dest_format, gint64 * dest_value)
{
GstBaseParseClass *klass;
gboolean res = FALSE;
GstBaseParseClass *klass = GST_BASE_PARSE_GET_CLASS (parse);
gboolean ret;
klass = GST_BASE_PARSE_GET_CLASS (parse);
g_return_val_if_fail (dest_value != NULL, FALSE);
if (klass->convert) {
res = klass->convert (parse, GST_FORMAT_BYTES, bytepos,
GST_FORMAT_TIME, (gint64 *) pos_in_time);
if (!klass->convert)
return FALSE;
ret = klass->convert (parse, src_format, src_value, dest_format, dest_value);
#ifndef GST_DISABLE_GST_DEBUG
{
if (ret) {
if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_BYTES) {
GST_LOG_OBJECT (parse,
"TIME -> BYTES: %" GST_TIME_FORMAT " -> %" G_GINT64_FORMAT,
GST_TIME_ARGS (src_value), *dest_value);
} else if (dest_format == GST_FORMAT_TIME &&
src_format == GST_FORMAT_BYTES) {
GST_LOG_OBJECT (parse,
"BYTES -> TIME: %" G_GINT64_FORMAT " -> %" GST_TIME_FORMAT,
src_value, GST_TIME_ARGS (*dest_value));
} else {
GST_LOG_OBJECT (parse,
"%s -> %s: %" G_GINT64_FORMAT " -> %" G_GINT64_FORMAT,
GST_STR_NULL (gst_format_get_name (src_format)),
GST_STR_NULL (gst_format_get_name (dest_format)),
src_value, *dest_value);
}
} else {
GST_DEBUG_OBJECT (parse, "conversion failed");
}
}
return res;
}
#endif
return ret;
}
/**
* gst_base_parse_sink_event:
@ -594,8 +618,10 @@ gst_base_parse_sink_eventfunc (GstBaseParse * parse, GstEvent * event)
seg_stop = GST_CLOCK_TIME_NONE;
offset = pos;
if (gst_base_parse_bytepos_to_time (parse, start, &seg_start) &&
gst_base_parse_bytepos_to_time (parse, pos, &seg_pos)) {
if (gst_base_parse_convert (parse, GST_FORMAT_BYTES, start,
GST_FORMAT_TIME, (gint64 *) & seg_start) &&
gst_base_parse_convert (parse, GST_FORMAT_BYTES, pos,
GST_FORMAT_TIME, (gint64 *) & seg_pos)) {
gst_event_unref (event);
event = gst_event_new_new_segment_full (update, rate, applied_rate,
GST_FORMAT_TIME, seg_start, seg_stop, seg_pos);
@ -753,19 +779,19 @@ gst_base_parse_is_seekable (GstBaseParse * parse)
}
/**
* gst_base_parse_convert:
* gst_base_parse_convert_default:
* @parse: #GstBaseParse.
* @src_format: #GstFormat describing the source format.
* @src_value: Source value to be converted.
* @dest_format: #GstFormat defining the converted format.
* @dest_value: Pointer where the conversion result will be put.
*
* Implementation of "convert" vmethod in #GstBaseParse class.
* Default implementation of "convert" vmethod in #GstBaseParse class.
*
* Returns: TRUE if conversion was successful.
*/
gboolean
gst_base_parse_convert (GstBaseParse * parse,
gst_base_parse_convert_default (GstBaseParse * parse,
GstFormat src_format,
gint64 src_value, GstFormat dest_format, gint64 * dest_value)
{
@ -843,14 +869,8 @@ gst_base_parse_update_duration (GstBaseParse * aacparse)
{
GstPad *peer;
GstBaseParse *parse;
GstBaseParseClass *klass;
parse = GST_BASE_PARSE (aacparse);
klass = GST_BASE_PARSE_GET_CLASS (parse);
/* must be able to convert */
if (!klass->convert)
return;
peer = gst_pad_get_peer (parse->sinkpad);
if (peer) {
@ -861,7 +881,8 @@ gst_base_parse_update_duration (GstBaseParse * aacparse)
qres = gst_pad_query_duration (peer, &pformat, &ptot);
gst_object_unref (GST_OBJECT (peer));
if (qres) {
if (klass->convert (parse, pformat, ptot, GST_FORMAT_TIME, &dest_value))
if (gst_base_parse_convert (parse, pformat, ptot,
GST_FORMAT_TIME, &dest_value))
parse->priv->estimated_duration = dest_value;
}
}
@ -1859,7 +1880,6 @@ static gboolean
gst_base_parse_get_duration (GstBaseParse * parse, GstFormat format,
GstClockTime * duration)
{
GstBaseParseClass *klass = GST_BASE_PARSE_GET_CLASS (parse);
gboolean res = FALSE;
g_return_val_if_fail (duration != NULL, FALSE);
@ -1871,7 +1891,7 @@ gst_base_parse_get_duration (GstBaseParse * parse, GstFormat format,
res = TRUE;
} else if (parse->priv->duration != -1) {
GST_LOG_OBJECT (parse, "converting provided duration");
res = klass->convert (parse, parse->priv->duration_fmt,
res = gst_base_parse_convert (parse, parse->priv->duration_fmt,
parse->priv->duration, format, (gint64 *) duration);
} else if (format == GST_FORMAT_TIME && parse->priv->estimated_duration != -1) {
GST_LOG_OBJECT (parse, "using estimated duration");
@ -1923,12 +1943,6 @@ gst_base_parse_query (GstPad * pad, GstQuery * query)
parse = GST_BASE_PARSE (GST_PAD_PARENT (pad));
klass = GST_BASE_PARSE_GET_CLASS (parse);
/* If subclass doesn't provide conversion function we can't reply
to the query either */
if (!klass->convert) {
return FALSE;
}
GST_LOG_OBJECT (parse, "handling query: %" GST_PTR_FORMAT, query);
switch (GST_QUERY_TYPE (query)) {
@ -1959,8 +1973,8 @@ gst_base_parse_query (GstPad * pad, GstQuery * query)
/* no precise result, upstream no idea either, then best estimate */
/* priv->offset is updated in both PUSH/PULL modes */
g_mutex_lock (parse->parse_lock);
res = klass->convert (parse, GST_FORMAT_BYTES, parse->priv->offset,
format, &dest_value);
res = gst_base_parse_convert (parse,
GST_FORMAT_BYTES, parse->priv->offset, format, &dest_value);
g_mutex_unlock (parse->parse_lock);
}
}
@ -2042,7 +2056,7 @@ gst_base_parse_query (GstPad * pad, GstQuery * query)
gst_query_parse_convert (query, &src_format, &src_value,
&dest_format, &dest_value);
res = klass->convert (parse, src_format, src_value,
res = gst_base_parse_convert (parse, src_format, src_value,
dest_format, &dest_value);
if (res) {
gst_query_set_convert (query, src_format, src_value,

4
gst/audioparsers/gstbaseparse.h
View file

@ -258,6 +258,10 @@ gboolean gst_base_parse_get_sync (GstBaseParse * parse);
gboolean gst_base_parse_get_drain (GstBaseParse * parse);
gboolean gst_base_parse_convert_default (GstBaseParse * parse,
GstFormat src_format, gint64 src_value,
GstFormat dest_format, gint64 * dest_value);
G_END_DECLS
#endif /* __GST_BASE_PARSE_H__ */