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matroska: move GstMatroska{Demux,Parse}::state to GstMatroskaReadCommon

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=650877
This commit is contained in:
Debarshi Ray 2011-05-23 18:48:57 +03:00 committed by Sebastian Dröge
parent 090e3a6f41
commit 51c7e6d252
5 changed files with 59 additions and 70 deletions
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50
gst/matroska/matroska-demux.c
View file

@ -2,6 +2,7 @@
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* (c) 2006 Tim-Philipp Müller <tim centricular net>
* (c) 2008 Sebastian Dröge <slomo@circular-chaos.org>
* (c) 2011 Debarshi Ray <rishi@gnu.org>
*
* matroska-demux.c: matroska file/stream demuxer
*
@ -361,7 +362,7 @@ gst_matroska_demux_reset (GstElement * element)
GST_DEBUG_OBJECT (demux, "Resetting state");
/* reset input */
demux->state = GST_MATROSKA_DEMUX_STATE_START;
demux->common.state = GST_MATROSKA_READ_STATE_START;
/* clean up existing streams */
if (demux->common.src) {
@ -2444,7 +2445,7 @@ static GstMatroskaIndex *
gst_matroska_demux_search_pos (GstMatroskaDemux * demux, GstClockTime time)
{
GstMatroskaIndex *entry = NULL;
GstMatroskaDemuxState current_state;
GstMatroskaReadState current_state;
GstClockTime otime, prev_cluster_time, current_cluster_time, cluster_time;
gint64 opos, newpos, startpos = 0, current_offset;
gint64 prev_cluster_offset = -1, current_cluster_offset, cluster_offset;
@ -2462,14 +2463,14 @@ gst_matroska_demux_search_pos (GstMatroskaDemux * demux, GstClockTime time)
prev_cluster_time = GST_CLOCK_TIME_NONE;
/* store some current state */
current_state = demux->state;
g_return_val_if_fail (current_state == GST_MATROSKA_DEMUX_STATE_DATA, NULL);
current_state = demux->common.state;
g_return_val_if_fail (current_state == GST_MATROSKA_READ_STATE_DATA, NULL);
current_cluster_offset = demux->cluster_offset;
current_cluster_time = demux->cluster_time;
current_offset = demux->offset;
demux->state = GST_MATROSKA_DEMUX_STATE_SCANNING;
demux->common.state = GST_MATROSKA_READ_STATE_SCANNING;
/* estimate using start and current position */
GST_OBJECT_LOCK (demux);
@ -2607,7 +2608,7 @@ exit:
demux->cluster_offset = current_cluster_offset;
demux->cluster_time = current_cluster_time;
demux->offset = current_offset;
demux->state = current_state;
demux->common.state = current_state;
return entry;
}
@ -2837,7 +2838,7 @@ gst_matroska_demux_handle_seek_push (GstMatroskaDemux * demux, GstPad * pad,
GST_OBJECT_LOCK (demux);
/* handle the seek event in the chain function */
demux->state = GST_MATROSKA_DEMUX_STATE_SEEK;
demux->common.state = GST_MATROSKA_READ_STATE_SEEK;
/* no more seek can be issued until state reset to _DATA */
/* copy the event */
@ -2877,7 +2878,7 @@ gst_matroska_demux_handle_src_event (GstPad * pad, GstEvent * event)
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
/* no seeking until we are (safely) ready */
if (demux->state != GST_MATROSKA_DEMUX_STATE_DATA) {
if (demux->common.state != GST_MATROSKA_READ_STATE_DATA) {
GST_DEBUG_OBJECT (demux, "not ready for seeking yet");
return FALSE;
}
@ -5414,15 +5415,15 @@ gst_matroska_demux_parse_id (GstMatroskaDemux * demux, guint32 id,
if (G_LIKELY (length != G_MAXUINT64))
read += needed;
switch (demux->state) {
case GST_MATROSKA_DEMUX_STATE_START:
switch (demux->common.state) {
case GST_MATROSKA_READ_STATE_START:
switch (id) {
case GST_EBML_ID_HEADER:
GST_READ_CHECK (gst_matroska_demux_take (demux, read, &ebml));
ret = gst_matroska_demux_parse_header (demux, &ebml);
if (ret != GST_FLOW_OK)
goto parse_failed;
demux->state = GST_MATROSKA_DEMUX_STATE_SEGMENT;
demux->common.state = GST_MATROSKA_READ_STATE_SEGMENT;
gst_matroska_demux_check_seekability (demux);
break;
default:
@ -5430,7 +5431,7 @@ gst_matroska_demux_parse_id (GstMatroskaDemux * demux, guint32 id,
break;
}
break;
case GST_MATROSKA_DEMUX_STATE_SEGMENT:
case GST_MATROSKA_READ_STATE_SEGMENT:
switch (id) {
case GST_MATROSKA_ID_SEGMENT:
/* eat segment prefix */
@ -5441,7 +5442,7 @@ gst_matroska_demux_parse_id (GstMatroskaDemux * demux, guint32 id,
/* seeks are from the beginning of the segment,
* after the segment ID/length */
demux->common.ebml_segment_start = demux->offset;
demux->state = GST_MATROSKA_DEMUX_STATE_HEADER;
demux->common.state = GST_MATROSKA_READ_STATE_HEADER;
break;
default:
GST_WARNING_OBJECT (demux,
@ -5451,14 +5452,14 @@ gst_matroska_demux_parse_id (GstMatroskaDemux * demux, guint32 id,
break;
}
break;
case GST_MATROSKA_DEMUX_STATE_SCANNING:
case GST_MATROSKA_READ_STATE_SCANNING:
if (id != GST_MATROSKA_ID_CLUSTER &&
id != GST_MATROSKA_ID_CLUSTERTIMECODE)
goto skip;
/* fall-through */
case GST_MATROSKA_DEMUX_STATE_HEADER:
case GST_MATROSKA_DEMUX_STATE_DATA:
case GST_MATROSKA_DEMUX_STATE_SEEK:
case GST_MATROSKA_READ_STATE_HEADER:
case GST_MATROSKA_READ_STATE_DATA:
case GST_MATROSKA_READ_STATE_SEEK:
switch (id) {
case GST_MATROSKA_ID_SEGMENTINFO:
if (!demux->segmentinfo_parsed) {
@ -5487,8 +5488,9 @@ gst_matroska_demux_parse_id (GstMatroskaDemux * demux, guint32 id,
goto no_tracks;
}
}
if (G_UNLIKELY (demux->state == GST_MATROSKA_DEMUX_STATE_HEADER)) {
demux->state = GST_MATROSKA_DEMUX_STATE_DATA;
if (G_UNLIKELY (demux->common.state
== GST_MATROSKA_READ_STATE_HEADER)) {
demux->common.state = GST_MATROSKA_READ_STATE_DATA;
demux->first_cluster_offset = demux->offset;
GST_DEBUG_OBJECT (demux, "signaling no more pads");
gst_element_no_more_pads (GST_ELEMENT (demux));
@ -5588,7 +5590,7 @@ gst_matroska_demux_parse_id (GstMatroskaDemux * demux, guint32 id,
ret = gst_matroska_read_common_parse_index (&demux->common, &ebml);
/* only push based; delayed index building */
if (ret == GST_FLOW_OK
&& demux->state == GST_MATROSKA_DEMUX_STATE_SEEK) {
&& demux->common.state == GST_MATROSKA_READ_STATE_SEEK) {
GstEvent *event;
GST_OBJECT_LOCK (demux);
@ -5602,7 +5604,7 @@ gst_matroska_demux_parse_id (GstMatroskaDemux * demux, guint32 id,
goto seek_failed;
/* resume data handling, main thread clear to seek again */
GST_OBJECT_LOCK (demux);
demux->state = GST_MATROSKA_DEMUX_STATE_DATA;
demux->common.state = GST_MATROSKA_READ_STATE_DATA;
GST_OBJECT_UNLOCK (demux);
}
break;
@ -5681,7 +5683,7 @@ gst_matroska_demux_loop (GstPad * pad)
guint needed;
/* If we have to close a segment, send a new segment to do this now */
if (G_LIKELY (demux->state == GST_MATROSKA_DEMUX_STATE_DATA)) {
if (G_LIKELY (demux->common.state == GST_MATROSKA_READ_STATE_DATA)) {
if (G_UNLIKELY (demux->close_segment)) {
gst_matroska_demux_send_event (demux, demux->close_segment);
demux->close_segment = NULL;
@ -5919,7 +5921,7 @@ gst_matroska_demux_handle_sink_event (GstPad * pad, GstEvent * event)
"received format %d newsegment %" GST_SEGMENT_FORMAT, format,
&segment);
if (demux->state < GST_MATROSKA_DEMUX_STATE_DATA) {
if (demux->common.state < GST_MATROSKA_READ_STATE_DATA) {
GST_DEBUG_OBJECT (demux, "still starting");
goto exit;
}
@ -5955,7 +5957,7 @@ gst_matroska_demux_handle_sink_event (GstPad * pad, GstEvent * event)
}
case GST_EVENT_EOS:
{
if (demux->state != GST_MATROSKA_DEMUX_STATE_DATA) {
if (demux->common.state != GST_MATROSKA_READ_STATE_DATA) {
gst_event_unref (event);
GST_ELEMENT_ERROR (demux, STREAM, DEMUX,
(NULL), ("got eos and didn't receive a complete header object"));

11
gst/matroska/matroska-demux.h
View file

@ -1,5 +1,6 @@
/* GStreamer Matroska muxer/demuxer
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* (c) 2011 Debarshi Ray <rishi@gnu.org>
*
* matroska-demux.h: matroska file/stream demuxer definition
*
@ -42,15 +43,6 @@ G_BEGIN_DECLS
#define GST_IS_MATROSKA_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_DEMUX))
typedef enum {
GST_MATROSKA_DEMUX_STATE_START,
GST_MATROSKA_DEMUX_STATE_SEGMENT,
GST_MATROSKA_DEMUX_STATE_HEADER,
GST_MATROSKA_DEMUX_STATE_DATA,
GST_MATROSKA_DEMUX_STATE_SEEK,
GST_MATROSKA_DEMUX_STATE_SCANNING
} GstMatroskaDemuxState;
typedef struct _GstMatroskaDemux {
GstElement parent;
@ -72,7 +64,6 @@ typedef struct _GstMatroskaDemux {
/* state */
gboolean streaming;
GstMatroskaDemuxState state;
guint level_up;
guint64 seek_block;
gboolean seek_first;

40
gst/matroska/matroska-parse.c
View file

@ -2,6 +2,7 @@
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* (c) 2006 Tim-Philipp Müller <tim centricular net>
* (c) 2008 Sebastian Dröge <slomo@circular-chaos.org>
* (c) 2011 Debarshi Ray <rishi@gnu.org>
*
* matroska-parse.c: matroska file/stream parser
*
@ -292,7 +293,7 @@ gst_matroska_parse_reset (GstElement * element)
GST_DEBUG_OBJECT (parse, "Resetting state");
/* reset input */
parse->state = GST_MATROSKA_PARSE_STATE_START;
parse->common.state = GST_MATROSKA_READ_STATE_START;
/* clean up existing streams */
if (parse->common.src) {
@ -2195,7 +2196,7 @@ gst_matroska_parse_handle_seek_push (GstMatroskaParse * parse, GstPad * pad,
GST_OBJECT_LOCK (parse);
/* handle the seek event in the chain function */
parse->state = GST_MATROSKA_PARSE_STATE_SEEK;
parse->common.state = GST_MATROSKA_READ_STATE_SEEK;
/* no more seek can be issued until state reset to _DATA */
/* copy the event */
@ -2235,7 +2236,7 @@ gst_matroska_parse_handle_src_event (GstPad * pad, GstEvent * event)
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
/* no seeking until we are (safely) ready */
if (parse->state != GST_MATROSKA_PARSE_STATE_DATA) {
if (parse->common.state != GST_MATROSKA_READ_STATE_DATA) {
GST_DEBUG_OBJECT (parse, "not ready for seeking yet");
return FALSE;
}
@ -4097,15 +4098,15 @@ gst_matroska_parse_parse_id (GstMatroskaParse * parse, guint32 id,
if (G_LIKELY (length != G_MAXUINT64))
read += needed;
switch (parse->state) {
case GST_MATROSKA_PARSE_STATE_START:
switch (parse->common.state) {
case GST_MATROSKA_READ_STATE_START:
switch (id) {
case GST_EBML_ID_HEADER:
GST_READ_CHECK (gst_matroska_parse_take (parse, read, &ebml));
ret = gst_matroska_parse_parse_header (parse, &ebml);
if (ret != GST_FLOW_OK)
goto parse_failed;
parse->state = GST_MATROSKA_PARSE_STATE_SEGMENT;
parse->common.state = GST_MATROSKA_READ_STATE_SEGMENT;
gst_matroska_parse_check_seekability (parse);
gst_matroska_parse_accumulate_streamheader (parse, ebml.buf);
break;
@ -4114,7 +4115,7 @@ gst_matroska_parse_parse_id (GstMatroskaParse * parse, guint32 id,
break;
}
break;
case GST_MATROSKA_PARSE_STATE_SEGMENT:
case GST_MATROSKA_READ_STATE_SEGMENT:
switch (id) {
case GST_MATROSKA_ID_SEGMENT:
/* eat segment prefix */
@ -4125,7 +4126,7 @@ gst_matroska_parse_parse_id (GstMatroskaParse * parse, guint32 id,
/* seeks are from the beginning of the segment,
* after the segment ID/length */
parse->common.ebml_segment_start = parse->offset;
parse->state = GST_MATROSKA_PARSE_STATE_HEADER;
parse->common.state = GST_MATROSKA_READ_STATE_HEADER;
gst_matroska_parse_accumulate_streamheader (parse, ebml.buf);
break;
default:
@ -4137,14 +4138,14 @@ gst_matroska_parse_parse_id (GstMatroskaParse * parse, guint32 id,
break;
}
break;
case GST_MATROSKA_PARSE_STATE_SCANNING:
case GST_MATROSKA_READ_STATE_SCANNING:
if (id != GST_MATROSKA_ID_CLUSTER &&
id != GST_MATROSKA_ID_CLUSTERTIMECODE)
goto skip;
/* fall-through */
case GST_MATROSKA_PARSE_STATE_HEADER:
case GST_MATROSKA_PARSE_STATE_DATA:
case GST_MATROSKA_PARSE_STATE_SEEK:
case GST_MATROSKA_READ_STATE_HEADER:
case GST_MATROSKA_READ_STATE_DATA:
case GST_MATROSKA_READ_STATE_SEEK:
switch (id) {
case GST_MATROSKA_ID_SEGMENTINFO:
GST_READ_CHECK (gst_matroska_parse_take (parse, read, &ebml));
@ -4165,8 +4166,9 @@ gst_matroska_parse_parse_id (GstMatroskaParse * parse, guint32 id,
GST_DEBUG_OBJECT (parse, "Cluster before Track");
goto not_streamable;
}
if (G_UNLIKELY (parse->state == GST_MATROSKA_PARSE_STATE_HEADER)) {
parse->state = GST_MATROSKA_PARSE_STATE_DATA;
if (G_UNLIKELY (parse->common.state
== GST_MATROSKA_READ_STATE_HEADER)) {
parse->common.state = GST_MATROSKA_READ_STATE_DATA;
parse->first_cluster_offset = parse->offset;
GST_DEBUG_OBJECT (parse, "signaling no more pads");
}
@ -4263,7 +4265,7 @@ gst_matroska_parse_parse_id (GstMatroskaParse * parse, guint32 id,
ret = gst_matroska_read_common_parse_index (&parse->common, &ebml);
/* only push based; delayed index building */
if (ret == GST_FLOW_OK
&& parse->state == GST_MATROSKA_PARSE_STATE_SEEK) {
&& parse->common.state == GST_MATROSKA_READ_STATE_SEEK) {
GstEvent *event;
GST_OBJECT_LOCK (parse);
@ -4277,7 +4279,7 @@ gst_matroska_parse_parse_id (GstMatroskaParse * parse, guint32 id,
goto seek_failed;
/* resume data handling, main thread clear to seek again */
GST_OBJECT_LOCK (parse);
parse->state = GST_MATROSKA_PARSE_STATE_DATA;
parse->common.state = GST_MATROSKA_READ_STATE_DATA;
GST_OBJECT_UNLOCK (parse);
}
}
@ -4362,7 +4364,7 @@ gst_matroska_parse_loop (GstPad * pad)
guint needed;
/* If we have to close a segment, send a new segment to do this now */
if (G_LIKELY (parse->state == GST_MATROSKA_PARSE_STATE_DATA)) {
if (G_LIKELY (parse->common.state == GST_MATROSKA_READ_STATE_DATA)) {
if (G_UNLIKELY (parse->close_segment)) {
gst_matroska_parse_send_event (parse, parse->close_segment);
parse->close_segment = NULL;
@ -4600,7 +4602,7 @@ gst_matroska_parse_handle_sink_event (GstPad * pad, GstEvent * event)
"received format %d newsegment %" GST_SEGMENT_FORMAT, format,
&segment);
if (parse->state < GST_MATROSKA_PARSE_STATE_DATA) {
if (parse->common.state < GST_MATROSKA_READ_STATE_DATA) {
GST_DEBUG_OBJECT (parse, "still starting");
goto exit;
}
@ -4634,7 +4636,7 @@ gst_matroska_parse_handle_sink_event (GstPad * pad, GstEvent * event)
}
case GST_EVENT_EOS:
{
if (parse->state != GST_MATROSKA_PARSE_STATE_DATA) {
if (parse->common.state != GST_MATROSKA_READ_STATE_DATA) {
gst_event_unref (event);
GST_ELEMENT_ERROR (parse, STREAM, DEMUX,
(NULL), ("got eos and didn't receive a complete header object"));

11
gst/matroska/matroska-parse.h
View file

@ -1,5 +1,6 @@
/* GStreamer Matroska muxer/demuxer
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* (c) 2011 Debarshi Ray <rishi@gnu.org>
*
* matroska-parse.h: matroska file/stream parseer definition
*
@ -42,15 +43,6 @@ G_BEGIN_DECLS
#define GST_IS_MATROSKA_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_PARSE))
typedef enum {
GST_MATROSKA_PARSE_STATE_START,
GST_MATROSKA_PARSE_STATE_SEGMENT,
GST_MATROSKA_PARSE_STATE_HEADER,
GST_MATROSKA_PARSE_STATE_DATA,
GST_MATROSKA_PARSE_STATE_SEEK,
GST_MATROSKA_PARSE_STATE_SCANNING
} GstMatroskaParseState;
typedef struct _GstMatroskaParse {
GstElement parent;
@ -77,7 +69,6 @@ typedef struct _GstMatroskaParse {
/* state */
//gboolean streaming;
GstMatroskaParseState state;
guint level_up;
guint64 seek_block;
gboolean seek_first;

17
gst/matroska/matroska-read-common.h
View file

@ -28,13 +28,13 @@
G_BEGIN_DECLS
typedef enum {
GST_MATROSKA_READ_COMMON_STATE_START,
GST_MATROSKA_READ_COMMON_STATE_SEGMENT,
GST_MATROSKA_READ_COMMON_STATE_HEADER,
GST_MATROSKA_READ_COMMON_STATE_DATA,
GST_MATROSKA_READ_COMMON_STATE_SEEK,
GST_MATROSKA_READ_COMMON_STATE_SCANNING
} GstMatroskaReadCommonState;
GST_MATROSKA_READ_STATE_START,
GST_MATROSKA_READ_STATE_SEGMENT,
GST_MATROSKA_READ_STATE_HEADER,
GST_MATROSKA_READ_STATE_DATA,
GST_MATROSKA_READ_STATE_SEEK,
GST_MATROSKA_READ_STATE_SCANNING
} GstMatroskaReadState;
typedef struct _GstMatroskaReadCommon {
GstIndex *element_index;
@ -44,6 +44,9 @@ typedef struct _GstMatroskaReadCommon {
GPtrArray *src;
guint num_streams;
/* state */
GstMatroskaReadState state;
/* did we parse cues/tracks/segmentinfo already? */
gboolean index_parsed;