Commit 5e14412c authored by Wim Taymans's avatar Wim Taymans

Reorder the message docs and headers for clarity.

Original commit message from CVS:
* docs/gst/gstreamer-sections.txt:
* gst/gstmessage.c: (gst_message_set_buffering_stats),
(gst_message_parse_buffering_stats):
* gst/gstmessage.h:
* gst/gstquery.c: (gst_query_new_latency), (gst_query_set_latency),
(gst_query_parse_latency), (gst_query_new_buffering),
(gst_query_set_buffering_percent),
(gst_query_parse_buffering_percent),
(gst_query_set_buffering_stats), (gst_query_parse_buffering_stats),
(gst_query_set_buffering_avail), (gst_query_parse_buffering_avail):
* gst/gstquery.h:
Reorder the message docs and headers for clarity.
Add aditional buffering stats API for messages.
Add buffering query.
Convert some leftover queries to use GstQuark.
API: gst_message_set_buffering_stats
API: gst_message_parse_buffering_stats
API: GST_QUERY_BUFFERING
API: GstBufferingMode
API: gst_query_new_buffering
API: gst_query_set_buffering_percent
API: gst_query_parse_buffering_percent
API: gst_query_set_buffering_stats
API: gst_query_parse_buffering_stats
API: gst_query_set_buffering_avail
API: gst_query_parse_buffering_avail
parent 6215f509
2008-04-08 Wim Taymans <wim.taymans@collabora.co.uk>
* docs/gst/gstreamer-sections.txt:
* gst/gstmessage.c: (gst_message_set_buffering_stats),
(gst_message_parse_buffering_stats):
* gst/gstmessage.h:
* gst/gstquery.c: (gst_query_new_latency), (gst_query_set_latency),
(gst_query_parse_latency), (gst_query_new_buffering),
(gst_query_set_buffering_percent),
(gst_query_parse_buffering_percent),
(gst_query_set_buffering_stats), (gst_query_parse_buffering_stats),
(gst_query_set_buffering_avail), (gst_query_parse_buffering_avail):
* gst/gstquery.h:
Reorder the message docs and headers for clarity.
Add aditional buffering stats API for messages.
Add buffering query.
Convert some leftover queries to use GstQuark.
API: gst_message_set_buffering_stats
API: gst_message_parse_buffering_stats
API: GST_QUERY_BUFFERING
API: GstBufferingMode
API: gst_query_new_buffering
API: gst_query_set_buffering_percent
API: gst_query_parse_buffering_percent
API: gst_query_set_buffering_stats
API: gst_query_parse_buffering_stats
API: gst_query_set_buffering_avail
API: gst_query_parse_buffering_avail
2008-04-08 Wim Taymans <wim.taymans@collabora.co.uk>
* gst/gstmessage.c: (gst_message_new_error),
......
......@@ -1014,44 +1014,47 @@ GST_MESSAGE_TYPE_NAME
GST_MESSAGE_TRACE_NAME
gst_message_type_to_quark
gst_message_type_get_name
gst_message_ref
gst_message_unref
gst_message_copy
gst_message_get_structure
gst_message_make_writable
gst_message_new_application
gst_message_new_clock_provide
gst_message_new_clock_lost
gst_message_new_custom
gst_message_new_element
gst_message_new_eos
gst_message_new_error
gst_message_parse_error
gst_message_new_warning
gst_message_parse_warning
gst_message_new_info
gst_message_new_new_clock
gst_message_new_segment_done
gst_message_new_segment_start
gst_message_new_state_changed
gst_message_parse_info
gst_message_new_tag
gst_message_parse_tag
gst_message_new_buffering
gst_message_new_warning
gst_message_new_duration
gst_message_parse_buffering
gst_message_set_buffering_stats
gst_message_parse_buffering_stats
gst_message_new_state_changed
gst_message_parse_state_changed
gst_message_new_state_dirty
gst_message_new_async_start
gst_message_new_async_done
gst_message_new_latency
gst_message_parse_clock_lost
gst_message_new_clock_provide
gst_message_parse_clock_provide
gst_message_parse_error
gst_message_parse_info
gst_message_new_clock_lost
gst_message_parse_clock_lost
gst_message_new_new_clock
gst_message_parse_new_clock
gst_message_parse_segment_done
gst_message_new_application
gst_message_new_element
gst_message_new_custom
gst_message_new_segment_start
gst_message_parse_segment_start
gst_message_parse_state_changed
gst_message_parse_tag
gst_message_parse_buffering
gst_message_parse_warning
gst_message_new_segment_done
gst_message_parse_segment_done
gst_message_new_duration
gst_message_parse_duration
gst_message_new_latency
gst_message_new_async_start
gst_message_parse_async_start
gst_message_ref
gst_message_unref
gst_message_new_async_done
<SUBSECTION Standard>
GstMessageClass
......@@ -1692,6 +1695,15 @@ gst_query_new_segment
gst_query_set_segment
gst_query_parse_segment
GstBufferingMode
gst_query_new_buffering
gst_query_set_buffering_percent
gst_query_parse_buffering_percent
gst_query_set_buffering_stats
gst_query_parse_buffering_stats
gst_query_set_buffering_avail
gst_query_parse_buffering_avail
<SUBSECTION Standard>
GstQueryClass
GST_QUERY
......@@ -1702,9 +1714,11 @@ GST_TYPE_QUERY
GST_TYPE_QUERY_TYPE
GST_QUERY_GET_CLASS
GST_QUERY_TYPE
GST_TYPE_BUFFERING_MODE
<SUBSECTION Private>
gst_query_get_type
gst_query_type_get_type
gst_buffering_mode_get_type
</SECTION>
......
......@@ -894,6 +894,65 @@ gst_message_parse_buffering (GstMessage * message, gint * percent)
GST_QUARK (BUFFER_PERCENT)));
}
/**
* gst_message_set_buffering_stats:
* @message: A valid #GstMessage of type GST_MESSAGE_BUFFERING.
* @mode: a buffering mode
* @avg_in: the average input rate
* @avg_out: the average output rate
* @buffering_left: amount of buffering time left in milliseconds
*
* Configures the buffering stats values in @message.
*
* Since: 0.10.20
*/
void
gst_message_set_buffering_stats (GstMessage * message, GstBufferingMode mode,
gint avg_in, gint avg_out, gint64 buffering_left)
{
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_BUFFERING);
gst_structure_id_set (message->structure,
GST_QUARK (BUFFERING_MODE), GST_TYPE_BUFFERING_MODE, mode,
GST_QUARK (AVG_IN_RATE), G_TYPE_INT, avg_in,
GST_QUARK (AVG_OUT_RATE), G_TYPE_INT, avg_out,
GST_QUARK (BUFFERING_LEFT), G_TYPE_INT64, buffering_left, NULL);
}
/**
* gst_message_parse_buffering_stats:
* @message: A valid #GstMessage of type GST_MESSAGE_BUFFERING.
* @mode: a buffering mode
* @avg_in: the average input rate
* @avg_out: the average output rate
* @buffering_left: amount of buffering time left in milliseconds.
*
* Extracts the buffering stats values from @message.
*
* Since: 0.10.20
*/
void
gst_message_parse_buffering_stats (GstMessage * message,
GstBufferingMode * mode, gint * avg_in, gint * avg_out,
gint64 * buffering_left)
{
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_BUFFERING);
if (mode)
*mode = g_value_get_enum (gst_structure_id_get_value (message->structure,
GST_QUARK (BUFFERING_MODE)));
if (avg_in)
*avg_in = g_value_get_int (gst_structure_id_get_value (message->structure,
GST_QUARK (AVG_IN_RATE)));
if (avg_out)
*avg_out = g_value_get_int (gst_structure_id_get_value (message->structure,
GST_QUARK (AVG_OUT_RATE)));
if (buffering_left)
*buffering_left =
g_value_get_int64 (gst_structure_id_get_value (message->structure,
GST_QUARK (BUFFERING_LEFT)));
}
/**
* gst_message_parse_state_changed:
* @message: a valid #GstMessage of type GST_MESSAGE_STATE_CHANGED
......
......@@ -270,45 +270,93 @@ gst_message_ref (GstMessage * msg)
*/
#define gst_message_make_writable(msg) GST_MESSAGE (gst_mini_object_make_writable (GST_MINI_OBJECT (msg)))
/* EOS */
GstMessage * gst_message_new_eos (GstObject * src);
/* ERROR */
GstMessage * gst_message_new_error (GstObject * src, GError * error, gchar * debug);
void gst_message_parse_error (GstMessage *message, GError **gerror, gchar **debug);
/* WARNING */
GstMessage * gst_message_new_warning (GstObject * src, GError * error, gchar * debug);
void gst_message_parse_warning (GstMessage *message, GError **gerror, gchar **debug);
/* INFO */
GstMessage * gst_message_new_info (GstObject * src, GError * error, gchar * debug);
void gst_message_parse_info (GstMessage *message, GError **gerror, gchar **debug);
/* TAG */
GstMessage * gst_message_new_tag (GstObject * src, GstTagList * tag_list);
void gst_message_parse_tag (GstMessage *message, GstTagList **tag_list);
/* BUFFERING */
GstMessage * gst_message_new_buffering (GstObject * src, gint percent);
void gst_message_parse_buffering (GstMessage *message, gint *percent);
void gst_message_set_buffering_stats (GstMessage *message, GstBufferingMode mode,
gint avg_in, gint avg_out,
gint64 buffering_left);
void gst_message_parse_buffering_stats (GstMessage *message, GstBufferingMode *mode,
gint *avg_in, gint *avg_out,
gint64 *buffering_left);
/* STATE_CHANGED */
GstMessage * gst_message_new_state_changed (GstObject * src, GstState oldstate,
GstState newstate, GstState pending);
void gst_message_parse_state_changed (GstMessage *message, GstState *oldstate,
GstState *newstate, GstState *pending);
/* STATE_DIRTY */
GstMessage * gst_message_new_state_dirty (GstObject * src);
/* CLOCK_PROVIDE */
GstMessage * gst_message_new_clock_provide (GstObject * src, GstClock *clock, gboolean ready);
void gst_message_parse_clock_provide (GstMessage *message, GstClock **clock,
gboolean *ready);
/* CLOCK_LOST */
GstMessage * gst_message_new_clock_lost (GstObject * src, GstClock *clock);
void gst_message_parse_clock_lost (GstMessage *message, GstClock **clock);
/* NEW_CLOCK */
GstMessage * gst_message_new_new_clock (GstObject * src, GstClock *clock);
void gst_message_parse_new_clock (GstMessage *message, GstClock **clock);
/* APPLICATION */
GstMessage * gst_message_new_application (GstObject * src, GstStructure * structure);
/* ELEMENT */
GstMessage * gst_message_new_element (GstObject * src, GstStructure * structure);
/* SEGMENT_START */
GstMessage * gst_message_new_segment_start (GstObject * src, GstFormat format, gint64 position);
void gst_message_parse_segment_start (GstMessage *message, GstFormat *format,
gint64 *position);
/* SEGMENT_DONE */
GstMessage * gst_message_new_segment_done (GstObject * src, GstFormat format, gint64 position);
void gst_message_parse_segment_done (GstMessage *message, GstFormat *format,
gint64 *position);
/* DURATION */
GstMessage * gst_message_new_duration (GstObject * src, GstFormat format, gint64 duration);
void gst_message_parse_duration (GstMessage *message, GstFormat *format,
gint64 *duration);
/* LATENCY */
GstMessage * gst_message_new_latency (GstObject * src);
/* ASYNC_START */
GstMessage * gst_message_new_async_start (GstObject * src, gboolean new_base_time);
void gst_message_parse_async_start (GstMessage *message, gboolean *new_base_time);
/* ASYNC_DONE */
GstMessage * gst_message_new_async_done (GstObject * src);
GstMessage * gst_message_new_latency (GstObject * src);
/* custom messages */
GstMessage * gst_message_new_custom (GstMessageType type,
GstObject * src,
GstStructure * structure);
void gst_message_parse_error (GstMessage *message, GError **gerror, gchar **debug);
void gst_message_parse_warning (GstMessage *message, GError **gerror, gchar **debug);
void gst_message_parse_info (GstMessage *message, GError **gerror, gchar **debug);
void gst_message_parse_tag (GstMessage *message, GstTagList **tag_list);
void gst_message_parse_buffering (GstMessage *message, gint *percent);
void gst_message_parse_state_changed (GstMessage *message, GstState *oldstate,
GstState *newstate, GstState *pending);
void gst_message_parse_clock_provide (GstMessage *message, GstClock **clock, gboolean *ready);
void gst_message_parse_clock_lost (GstMessage *message, GstClock **clock);
void gst_message_parse_new_clock (GstMessage *message, GstClock **clock);
void gst_message_parse_segment_start (GstMessage *message, GstFormat *format, gint64 *position);
void gst_message_parse_segment_done (GstMessage *message, GstFormat *format, gint64 *position);
void gst_message_parse_duration (GstMessage *message, GstFormat *format, gint64 *duration);
void gst_message_parse_async_start (GstMessage *message, gboolean *new_base_time);
const GstStructure * gst_message_get_structure (GstMessage *message);
G_END_DECLS
......
......@@ -91,6 +91,7 @@ static GstQueryTypeDefinition standard_definitions[] = {
{GST_QUERY_SEGMENT, "segment", "currently configured segment", 0},
{GST_QUERY_CONVERT, "convert", "Converting between formats", 0},
{GST_QUERY_FORMATS, "formats", "Supported formats for conversion", 0},
{GST_QUERY_BUFFERING, "buffering", "Buffering status", 0},
{0, NULL, NULL, 0}
};
......@@ -554,10 +555,10 @@ gst_query_new_latency (void)
GstStructure *structure;
structure = gst_structure_empty_new ("GstQueryLatency");
gst_structure_set (structure,
"live", G_TYPE_BOOLEAN, FALSE,
"min-latency", G_TYPE_UINT64, (gint64) 0,
"max-latency", G_TYPE_UINT64, (gint64) - 1, NULL);
gst_structure_id_set (structure,
GST_QUARK (LIVE), G_TYPE_BOOLEAN, FALSE,
GST_QUARK (MIN_LATENCY), G_TYPE_UINT64, (gint64) 0,
GST_QUARK (MAX_LATENCY), G_TYPE_UINT64, (gint64) - 1, NULL);
query = gst_query_new (GST_QUERY_LATENCY, structure);
......@@ -584,10 +585,10 @@ gst_query_set_latency (GstQuery * query, gboolean live,
g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_LATENCY);
structure = gst_query_get_structure (query);
gst_structure_set (structure,
"live", G_TYPE_BOOLEAN, live,
"min-latency", G_TYPE_UINT64, min_latency,
"max-latency", G_TYPE_UINT64, max_latency, NULL);
gst_structure_id_set (structure,
GST_QUARK (LIVE), G_TYPE_BOOLEAN, live,
GST_QUARK (MIN_LATENCY), G_TYPE_UINT64, min_latency,
GST_QUARK (MAX_LATENCY), G_TYPE_UINT64, max_latency, NULL);
}
/**
......@@ -611,13 +612,15 @@ gst_query_parse_latency (GstQuery * query, gboolean * live,
structure = gst_query_get_structure (query);
if (live)
*live = g_value_get_boolean (gst_structure_get_value (structure, "live"));
*live =
g_value_get_boolean (gst_structure_id_get_value (structure,
GST_QUARK (LIVE)));
if (min_latency)
*min_latency = g_value_get_uint64 (gst_structure_get_value (structure,
"min-latency"));
*min_latency = g_value_get_uint64 (gst_structure_id_get_value (structure,
GST_QUARK (MIN_LATENCY)));
if (max_latency)
*max_latency = g_value_get_uint64 (gst_structure_get_value (structure,
"max-latency"));
*max_latency = g_value_get_uint64 (gst_structure_id_get_value (structure,
GST_QUARK (MAX_LATENCY)));
}
/**
......@@ -1096,3 +1099,201 @@ gst_query_parse_formats_nth (GstQuery * query, guint nth, GstFormat * format)
}
}
}
/**
* gst_query_new_buffering
* @format: the default #GstFormat for the new query
*
* Constructs a new query object for querying the buffering status of
* a stream.
*
* Returns: A #GstQuery
*
* Since: 0.10.20
*/
GstQuery *
gst_query_new_buffering (GstFormat format)
{
GstQuery *query;
GstStructure *structure;
structure = gst_structure_empty_new ("GstQueryBuffering");
gst_structure_id_set (structure,
GST_QUARK (BUFFER_PERCENT), G_TYPE_INT, -1,
GST_QUARK (BUFFERING_MODE), GST_TYPE_BUFFERING_MODE, GST_BUFFERING_STREAM,
GST_QUARK (AVG_IN_RATE), G_TYPE_INT, -1,
GST_QUARK (AVG_OUT_RATE), G_TYPE_INT, -1,
GST_QUARK (BUFFERING_LEFT), G_TYPE_INT64, -1,
GST_QUARK (ESTIMATED_TOTAL), G_TYPE_INT64, -1,
GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
GST_QUARK (START_VALUE), G_TYPE_INT64, (gint64) - 1,
GST_QUARK (STOP_VALUE), G_TYPE_INT64, (gint64) - 1, NULL);
query = gst_query_new (GST_QUERY_BUFFERING, structure);
return query;
}
/**
* gst_query_set_buffering_percent
* @query: A valid #GstQuery of type GST_QUERY_BUFFERING.
* @percent: a buffering percent
*
* Set the percentage of buffered data. This is a value between 0 and 100.
*
* Since: 0.10.20
*/
void
gst_query_set_buffering_percent (GstQuery * query, gint percent)
{
g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERING);
g_return_if_fail (percent >= 0 && percent <= 100);
gst_structure_id_set (query->structure,
GST_QUARK (BUFFER_PERCENT), G_TYPE_INT, percent, NULL);
}
/**
* gst_query_parse_buffering_percent
* @query: A valid #GstQuery of type GST_QUERY_BUFFERING.
* @percent: a buffering percent
*
* Get the percentage of buffered data. This is a value between 0 and 100.
*
* Since: 0.10.20
*/
void
gst_query_parse_buffering_percent (GstQuery * query, gint * percent)
{
g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERING);
if (percent)
*percent = g_value_get_int (gst_structure_id_get_value (query->structure,
GST_QUARK (BUFFER_PERCENT)));
}
/**
* gst_query_set_buffering_stats:
* @query: A valid #GstQuery of type GST_QUERY_BUFFERING.
* @mode: a buffering mode
* @avg_in: the average input rate
* @avg_out: the average output rate
* @buffering_left: amount of buffering time left
*
* Configures the buffering stats values in @query.
*
* Since: 0.10.20
*/
void
gst_query_set_buffering_stats (GstQuery * query, GstBufferingMode mode,
gint avg_in, gint avg_out, gint64 buffering_left)
{
g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERING);
gst_structure_id_set (query->structure,
GST_QUARK (BUFFERING_MODE), GST_TYPE_BUFFERING_MODE, mode,
GST_QUARK (AVG_IN_RATE), G_TYPE_INT, avg_in,
GST_QUARK (AVG_OUT_RATE), G_TYPE_INT, avg_out,
GST_QUARK (BUFFERING_LEFT), G_TYPE_INT64, buffering_left, NULL);
}
/**
* gst_query_parse_buffering_stats:
* @query: A valid #GstQuery of type GST_QUERY_BUFFERING.
* @mode: a buffering mode
* @avg_in: the average input rate
* @avg_out: the average output rate
* @buffering_left: amount of buffering time left
*
* Extracts the buffering stats values from @query.
*
* Since: 0.10.20
*/
void
gst_query_parse_buffering_stats (GstQuery * query,
GstBufferingMode * mode, gint * avg_in, gint * avg_out,
gint64 * buffering_left)
{
g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERING);
if (mode)
*mode = g_value_get_enum (gst_structure_id_get_value (query->structure,
GST_QUARK (BUFFERING_MODE)));
if (avg_in)
*avg_in = g_value_get_int (gst_structure_id_get_value (query->structure,
GST_QUARK (AVG_IN_RATE)));
if (avg_out)
*avg_out = g_value_get_int (gst_structure_id_get_value (query->structure,
GST_QUARK (AVG_OUT_RATE)));
if (buffering_left)
*buffering_left =
g_value_get_int64 (gst_structure_id_get_value (query->structure,
GST_QUARK (BUFFERING_LEFT)));
}
/**
* gst_query_set_buffering_avail:
* @query: a #GstQuery
* @format: the format to set for the @start and @stop values
* @start: the start to set
* @stop: the stop to set
* @estimated_total: estimated total amount of download time
*
* Set the available query result fields in @query.
*
* Since: 0.10.20
*/
void
gst_query_set_buffering_avail (GstQuery * query, GstFormat format,
gint64 start, gint64 stop, gint64 estimated_total)
{
GstStructure *structure;
g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERING);
structure = gst_query_get_structure (query);
gst_structure_id_set (structure,
GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
GST_QUARK (START_VALUE), G_TYPE_INT64, start,
GST_QUARK (STOP_VALUE), G_TYPE_INT64, stop,
GST_QUARK (ESTIMATED_TOTAL), G_TYPE_INT64, estimated_total, NULL);
}
/**
* gst_query_parse_buffering_avail:
* @query: a GST_QUERY_SEEKING type query #GstQuery
* @format: the format to set for the @segment_start and @segment_end values
* @start: the start to set
* @stop: the stop to set
* @estimated_total: estimated total amount of download time
*
* Parse an available query, writing the format into @format, and
* other results into the passed parameters, if the respective parameters
* are non-NULL
*
* Since: 0.10.20
*/
void
gst_query_parse_buffering_avail (GstQuery * query, GstFormat * format,
gint64 * start, gint64 * stop, gint64 * estimated_total)
{
GstStructure *structure;
g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_BUFFERING);
structure = gst_query_get_structure (query);
if (format)
*format = g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (FORMAT)));
if (start)
*start = g_value_get_int64 (gst_structure_id_get_value (structure,
GST_QUARK (START_VALUE)));
if (stop)
*stop = g_value_get_int64 (gst_structure_id_get_value (structure,
GST_QUARK (STOP_VALUE)));
if (estimated_total)
*estimated_total =
g_value_get_int64 (gst_structure_id_get_value (structure,
GST_QUARK (ESTIMATED_TOTAL)));
}
......@@ -46,6 +46,8 @@ G_BEGIN_DECLS
* @GST_QUERY_SEGMENT: segment start/stop positions
* @GST_QUERY_CONVERT: convert values between formats
* @GST_QUERY_FORMATS: query supported formats for convert
* @GST_QUERY_BUFFERING: query available media for efficient seeking. Since
* 0.10.20.
*
* Standard predefined Query types
*/
......@@ -61,9 +63,26 @@ typedef enum {
GST_QUERY_SEEKING,
GST_QUERY_SEGMENT,
GST_QUERY_CONVERT,
GST_QUERY_FORMATS
GST_QUERY_FORMATS,
GST_QUERY_BUFFERING
} GstQueryType;
/**
* GstBufferingMode:
* @GST_BUFFERING_STREAM: a small amount of data is buffered
* @GST_BUFFERING_DOWNLOAD: the stream is being downloaded
* @GST_BUFFERING_TIMESHIFT: the stream is being downloaded in a ringbuffer
* @GST_BUFFERING_LIVE: the stream is a live stream
*
* The different types of buffering methods.
*/
typedef enum {
GST_BUFFERING_STREAM,
GST_BUFFERING_DOWNLOAD,
GST_BUFFERING_TIMESHIFT,
GST_BUFFERING_LIVE
} GstBufferingMode;
typedef struct _GstQueryTypeDefinition GstQueryTypeDefinition;
typedef struct _GstQuery GstQuery;
typedef struct _GstQueryClass GstQueryClass;
......@@ -245,6 +264,25 @@ void gst_query_set_formatsv (GstQuery *query, gint n_formats
void gst_query_parse_formats_length (GstQuery *query, guint *n_formats);
void gst_query_parse_formats_nth (GstQuery *query, guint nth, GstFormat *format);
/* buffering query */
GstQuery* gst_query_new_buffering (GstFormat format);
void gst_query_set_buffering_percent (GstQuery *query, gint percent);
void gst_query_parse_buffering_percent (GstQuery *query, gint *percent);
void gst_query_set_buffering_stats (GstQuery *query, GstBufferingMode mode,
gint avg_in, gint avg_out,
gint64 buffering_left);
void gst_query_parse_buffering_stats (GstQuery *query, GstBufferingMode *mode,
gint *avg_in, gint *avg_out,
gint64 *buffering_left);
void gst_query_set_buffering_avail (GstQuery *query, GstFormat format,
gint64 start, gint64 stop,
gint64 extimated_total);
void gst_query_parse_buffering_avail (GstQuery *query, GstFormat *format,
gint64 *start, gint64 *stop,
gint64 *estimated_total);
G_END_DECLS
#endif /* __GST_QUERY_H__ */
......
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