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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-02 13:38:48 +00:00
sfdec: add query implementation for position and duration
This commit is contained in:
parent
5f89bee749
commit
b884eac02c
2 changed files with 61 additions and 12 deletions
ext/sndfile
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@ -48,6 +48,8 @@ GST_DEBUG_CATEGORY_STATIC (gst_sf_dec_debug);
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#define DEFAULT_BUFFER_FRAMES (256)
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#define DEFAULT_BUFFER_FRAMES (256)
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static gboolean gst_sf_dec_src_query (GstPad * pad, GstObject * parent,
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GstQuery * query);
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static GstStateChangeReturn gst_sf_dec_change_state (GstElement * element,
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static GstStateChangeReturn gst_sf_dec_change_state (GstElement * element,
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GstStateChange transition);
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GstStateChange transition);
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@ -69,13 +71,13 @@ G_DEFINE_TYPE_WITH_CODE (GstSFDec, gst_sf_dec, GST_TYPE_ELEMENT, _do_init);
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static sf_count_t
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static sf_count_t
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gst_sf_vio_get_filelen (void *user_data)
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gst_sf_vio_get_filelen (void *user_data)
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{
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{
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GstElement *element = GST_ELEMENT (user_data);
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GstSFDec *self = GST_SF_DEC (user_data);
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gint64 dur;
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gint64 dur;
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if (gst_element_query_duration (element, GST_FORMAT_BYTES, &dur)) {
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if (gst_pad_peer_query_duration (self->sinkpad, GST_FORMAT_BYTES, &dur)) {
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return (sf_count_t) dur;
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return (sf_count_t) dur;
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}
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}
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GST_WARNING_OBJECT (element, "query_duration failed");
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GST_WARNING_OBJECT (self, "query_duration failed");
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return -1;
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return -1;
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}
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}
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@ -179,16 +181,62 @@ gst_sf_dec_init (GstSFDec * self)
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gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
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gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
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self->srcpad = gst_pad_new_from_static_template (&sf_dec_src_factory, "src");
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self->srcpad = gst_pad_new_from_static_template (&sf_dec_src_factory, "src");
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/* TODO(ensonic): event + query functions */
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/* TODO(ensonic): event function */
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gst_pad_set_query_function (self->srcpad,
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GST_DEBUG_FUNCPTR (gst_sf_dec_src_query));
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gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
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gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
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}
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}
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static gboolean
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gst_sf_dec_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
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{
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GstSFDec *self = GST_SF_DEC (parent);
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GstFormat format;
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gboolean res = FALSE;
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GST_DEBUG_OBJECT (self, "query %s", GST_QUERY_TYPE_NAME (query));
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_DURATION:
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if (!self->file)
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goto done;
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gst_query_parse_duration (query, &format, NULL);
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if (format == GST_FORMAT_TIME) {
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gst_query_set_duration (query, format,
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gst_util_uint64_scale_int (self->duration, GST_SECOND, self->rate));
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res = TRUE;
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}
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break;
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case GST_QUERY_POSITION:
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if (!self->file)
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goto done;
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gst_query_parse_position (query, &format, NULL);
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if (format == GST_FORMAT_TIME) {
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gst_query_set_position (query, format,
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gst_util_uint64_scale_int (self->pos, GST_SECOND, self->rate));
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res = TRUE;
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}
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break;
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default:
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res = gst_pad_query_default (pad, parent, query);
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break;
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}
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done:
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GST_DEBUG_OBJECT (self, "query %s: %d", GST_QUERY_TYPE_NAME (query), res);
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return res;
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}
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static GstStateChangeReturn
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static GstStateChangeReturn
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gst_sf_dec_change_state (GstElement * element, GstStateChange transition)
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gst_sf_dec_change_state (GstElement * element, GstStateChange transition)
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{
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{
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GstStateChangeReturn ret;
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GstStateChangeReturn ret;
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GstSFDec *self = GST_SF_DEC (element);
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GstSFDec *self = GST_SF_DEC (element);
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GST_INFO_OBJECT (self, "transition: %s -> %s",
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gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
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gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
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switch (transition) {
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switch (transition) {
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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gst_sf_dec_start (self);
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gst_sf_dec_start (self);
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@ -212,8 +260,6 @@ gst_sf_dec_change_state (GstElement * element, GstStateChange transition)
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static gboolean
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static gboolean
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gst_sf_dec_start (GstSFDec * self)
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gst_sf_dec_start (GstSFDec * self)
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{
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{
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self->file = NULL;
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return TRUE;
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return TRUE;
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}
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}
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@ -234,6 +280,9 @@ gst_sf_dec_stop (GstSFDec * self)
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self->channels = 0;
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self->channels = 0;
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self->rate = 0;
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self->rate = 0;
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self->pos = 0;
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self->duration = 0;
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return TRUE;
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return TRUE;
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close_failed:
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close_failed:
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@ -288,6 +337,7 @@ gst_sf_dec_sink_activate_mode (GstPad * sinkpad, GstObject * parent,
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case GST_PAD_MODE_PULL:
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case GST_PAD_MODE_PULL:
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if (active) {
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if (active) {
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/* if we have a scheduler we can start the task */
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/* if we have a scheduler we can start the task */
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GST_DEBUG_OBJECT (sinkpad, "start task");
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res = gst_pad_start_task (sinkpad, (GstTaskFunction) gst_sf_dec_loop,
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res = gst_pad_start_task (sinkpad, (GstTaskFunction) gst_sf_dec_loop,
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sinkpad, NULL);
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sinkpad, NULL);
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} else {
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} else {
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@ -304,7 +354,7 @@ gst_sf_dec_sink_activate_mode (GstPad * sinkpad, GstObject * parent,
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static gboolean
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static gboolean
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gst_sf_dec_open_file (GstSFDec * self)
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gst_sf_dec_open_file (GstSFDec * self)
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{
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{
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SF_INFO info;
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SF_INFO info = { 0, };
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GstCaps *caps;
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GstCaps *caps;
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GstStructure *s;
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GstStructure *s;
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GstSegment seg;
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GstSegment seg;
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@ -313,9 +363,7 @@ gst_sf_dec_open_file (GstSFDec * self)
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gchar *stream_id;
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gchar *stream_id;
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GST_DEBUG_OBJECT (self, "opening the stream");
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GST_DEBUG_OBJECT (self, "opening the stream");
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info.format = 0;
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if (!(self->file = sf_open_virtual (&gst_sf_vio, SFM_READ, &info, self)))
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self->file = sf_open_virtual (&gst_sf_vio, SFM_READ, &info, self);
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if (!self->file)
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goto open_failed;
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goto open_failed;
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stream_id =
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stream_id =
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@ -325,8 +373,8 @@ gst_sf_dec_open_file (GstSFDec * self)
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self->channels = info.channels;
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self->channels = info.channels;
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self->rate = info.samplerate;
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self->rate = info.samplerate;
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self->duration = info.frames;
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/* TODO(ensonic): do something with info.seekable? */
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/* TODO(ensonic): do something with info.seekable? */
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/* TODO(ensonic): calculate duration info.frames */
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/* negotiate srcpad caps */
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/* negotiate srcpad caps */
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if ((caps = gst_pad_get_allowed_caps (self->srcpad)) == NULL) {
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if ((caps = gst_pad_get_allowed_caps (self->srcpad)) == NULL) {
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@ -366,7 +414,7 @@ gst_sf_dec_open_file (GstSFDec * self)
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gst_caps_unref (caps);
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gst_caps_unref (caps);
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gst_segment_init (&seg, GST_FORMAT_TIME);
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gst_segment_init (&seg, GST_FORMAT_TIME);
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/* TODO: calculate seg.stop = song_length; */
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seg.stop = gst_util_uint64_scale_int (self->duration, GST_SECOND, self->rate);
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gst_pad_push_event (self->srcpad, gst_event_new_segment (&seg));
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gst_pad_push_event (self->srcpad, gst_event_new_segment (&seg));
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return TRUE;
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return TRUE;
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@ -52,6 +52,7 @@ struct _GstSFDec {
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GstPad *srcpad;
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GstPad *srcpad;
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guint64 pos;
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guint64 pos;
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guint64 duration;
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SNDFILE *file;
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SNDFILE *file;
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sf_count_t offset;
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sf_count_t offset;
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