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splitmuxsrc: Rename some internal terminology

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A part reader can be 'loaded' (prepared, but not currently outputting anything)
or 'playing' (actively being used to output data)

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7053>
This commit is contained in:
Jan Schmidt 2024-05-16 01:26:51 +10:00
parent 3121eeeb08
commit 93c04e7473
3 changed files with 30 additions and 25 deletions
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37
subprojects/gst-plugins-good/gst/multifile/gstsplitmuxpartreader.c
View file

@ -114,10 +114,10 @@ have_empty_queue (GstSplitMuxPartReader * reader)
static gboolean
block_until_can_push (GstSplitMuxPartReader * reader)
{
while (reader->running) {
while (reader->loaded) {
if (reader->flushing)
goto out;
if (reader->active && have_empty_queue (reader))
if (reader->playing && have_empty_queue (reader))
goto out;
GST_LOG_OBJECT (reader,
@ -125,10 +125,10 @@ block_until_can_push (GstSplitMuxPartReader * reader)
SPLITMUX_PART_WAIT (reader);
}
GST_LOG_OBJECT (reader, "Done waiting on reader %s active %d flushing %d",
reader->path, reader->active, reader->flushing);
GST_LOG_OBJECT (reader, "Done waiting on reader %s playing %d flushing %d",
reader->path, reader->playing, reader->flushing);
out:
return reader->active && !reader->flushing;
return reader->playing && !reader->flushing;
}
static void
@ -603,14 +603,14 @@ splitmux_part_pad_query (GstPad * pad, GstObject * parent, GstQuery * query)
GstSplitMuxPartReader *reader = part_pad->reader;
GstPad *target;
gboolean ret = FALSE;
gboolean active;
gboolean playing;
SPLITMUX_PART_LOCK (reader);
target = gst_object_ref (part_pad->target);
active = reader->active;
playing = reader->playing;
SPLITMUX_PART_UNLOCK (reader);
if (active) {
if (playing) {
GST_LOG_OBJECT (pad, "Forwarding query %" GST_PTR_FORMAT
" from %" GST_PTR_FORMAT " on %" GST_PTR_FORMAT, query, pad, target);
@ -717,7 +717,8 @@ gst_splitmux_part_reader_init (GstSplitMuxPartReader * reader)
reader->prep_state = PART_STATE_NULL;
reader->need_duration_measuring = TRUE;
reader->active = FALSE;
reader->loaded = FALSE;
reader->playing = FALSE;
reader->smallest_ts_offset = GST_CLOCK_TIME_NONE;
reader->info.start_offset = GST_CLOCK_TIME_NONE;
reader->info.duration = GST_CLOCK_TIME_NONE;
@ -1214,7 +1215,7 @@ gst_splitmux_part_reader_change_state (GstElement * element,
g_object_set (reader->src, "location", reader->path, NULL);
reader->prep_state = PART_STATE_PREPARING_COLLECT_STREAMS;
gst_splitmux_part_reader_set_flushing_locked (reader, FALSE);
reader->running = TRUE;
reader->loaded = TRUE;
SPLITMUX_PART_UNLOCK (reader);
/* we go to PAUSED asynchronously once all streams have been collected
@ -1226,13 +1227,13 @@ gst_splitmux_part_reader_change_state (GstElement * element,
case GST_STATE_CHANGE_PAUSED_TO_READY:
SPLITMUX_PART_LOCK (reader);
gst_splitmux_part_reader_set_flushing_locked (reader, TRUE);
reader->running = FALSE;
reader->loaded = FALSE;
SPLITMUX_PART_BROADCAST (reader);
SPLITMUX_PART_UNLOCK (reader);
break;
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
SPLITMUX_PART_LOCK (reader);
reader->active = FALSE;
reader->playing = FALSE;
gst_splitmux_part_reader_set_flushing_locked (reader, TRUE);
SPLITMUX_PART_BROADCAST (reader);
SPLITMUX_PART_UNLOCK (reader);
@ -1258,7 +1259,7 @@ gst_splitmux_part_reader_change_state (GstElement * element,
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
SPLITMUX_PART_LOCK (reader);
gst_splitmux_part_reader_set_flushing_locked (reader, FALSE);
reader->active = TRUE;
reader->playing = TRUE;
SPLITMUX_PART_BROADCAST (reader);
SPLITMUX_PART_UNLOCK (reader);
break;
@ -1297,7 +1298,7 @@ gst_splitmux_part_reader_prepare_sync (GstSplitMuxPartReader * reader)
if (ret == GST_STATE_CHANGE_ASYNC) {
SPLITMUX_PART_LOCK (reader);
while (reader->running && reader->prep_state != PART_STATE_READY) {
while (reader->loaded && reader->prep_state != PART_STATE_READY) {
if (reader->prep_state == PART_STATE_FAILED) {
SPLITMUX_PART_UNLOCK (reader);
return FALSE;
@ -1321,12 +1322,12 @@ gst_splitmux_part_reader_unprepare (GstSplitMuxPartReader * part)
}
gboolean
gst_splitmux_part_reader_is_running (GstSplitMuxPartReader * part)
gst_splitmux_part_reader_is_loaded (GstSplitMuxPartReader * part)
{
gboolean ret;
SPLITMUX_PART_LOCK (part);
ret = part->running;
ret = part->loaded;
SPLITMUX_PART_UNLOCK (part);
return ret;
@ -1364,12 +1365,12 @@ gst_splitmux_part_reader_activate (GstSplitMuxPartReader * reader,
}
gboolean
gst_splitmux_part_reader_is_active (GstSplitMuxPartReader * part)
gst_splitmux_part_reader_is_playing (GstSplitMuxPartReader * part)
{
gboolean ret;
SPLITMUX_PART_LOCK (part);
ret = part->active;
ret = part->playing;
SPLITMUX_PART_UNLOCK (part);
return ret;

11
subprojects/gst-plugins-good/gst/multifile/gstsplitmuxpartreader.h
View file

@ -74,8 +74,10 @@ struct _GstSplitMuxPartReader
GstElement *demux;
gboolean async_pending;
gboolean active;
gboolean running;
gboolean loaded;
gboolean playing;
gboolean prepared;
gboolean flushing;
gboolean no_more_pads;
@ -108,11 +110,13 @@ struct _GstSplitMuxPartReaderClass
GType gst_splitmux_part_reader_get_type (void);
gboolean gst_splitmux_part_reader_is_loaded (GstSplitMuxPartReader *part);
gboolean gst_splitmux_part_reader_is_playing (GstSplitMuxPartReader *part);
void gst_splitmux_part_reader_set_callbacks (GstSplitMuxPartReader *reader,
gpointer cb_data, GstSplitMuxPartReaderPadCb get_pad_cb, GstSplitMuxPartReaderMeasuredCb measured_cb);
gboolean gst_splitmux_part_reader_prepare (GstSplitMuxPartReader *part);
void gst_splitmux_part_reader_unprepare (GstSplitMuxPartReader *part);
gboolean gst_splitmux_part_reader_is_running (GstSplitMuxPartReader *part);
void gst_splitmux_part_reader_set_location (GstSplitMuxPartReader *reader,
const gchar *path);
gboolean gst_splitmux_part_reader_needs_measuring (GstSplitMuxPartReader *reader);
@ -120,7 +124,6 @@ gboolean gst_splitmux_part_is_eos (GstSplitMuxPartReader *reader);
gboolean gst_splitmux_part_reader_activate (GstSplitMuxPartReader *part, GstSegment *seg, GstSeekFlags extra_flags);
void gst_splitmux_part_reader_deactivate (GstSplitMuxPartReader *part);
gboolean gst_splitmux_part_reader_is_active (GstSplitMuxPartReader *part);
void gst_splitmux_part_reader_stop (GstSplitMuxPartReader *part);

7
subprojects/gst-plugins-good/gst/multifile/gstsplitmuxsrc.c
View file

@ -921,7 +921,8 @@ reduce_active_readers (GstSplitMuxSrc * splitmux)
splitmux->target_max_readers) {
GstSplitMuxPartReader *oldest_reader =
g_queue_peek_head (splitmux->active_parts);
if (gst_splitmux_part_reader_is_active (oldest_reader)) {
if (gst_splitmux_part_reader_is_playing (oldest_reader)) {
/* This part is still playing on some pad(s). Keep it active */
return;
}
@ -940,7 +941,7 @@ add_to_active_readers (GstSplitMuxSrc * splitmux,
if (splitmux->target_max_readers != 0) {
/* Check if it's already in the active reader pool, and move this reader
* to the tail, or else add a ref and push it on the tail */
if (gst_splitmux_part_reader_is_running (reader)) {
if (gst_splitmux_part_reader_is_loaded (reader)) {
/* Already in the queue, and reffed, move it to the end without
* adding another ref */
gboolean in_queue = g_queue_remove (splitmux->active_parts, reader);
@ -1446,7 +1447,7 @@ gst_splitmux_end_of_part (GstSplitMuxSrc * splitmux, SplitMuxSrcPad * splitpad)
splitpad->reader = splitmux->parts[splitpad->cur_part];
if (splitmux->cur_part != next_part) {
if (!gst_splitmux_part_reader_is_active (splitpad->reader)) {
if (!gst_splitmux_part_reader_is_playing (splitpad->reader)) {
GstSegment tmp;
/* If moving backward into a new part, set stop
* to -1 to ensure we play the entire file - workaround