"rate = (int) [ 8000, 48000 ], " "channels = (int) [ 1, 2 ]")
);
-enum
-{
- SID_STATE_NEED_TUNE = 1,
- SID_STATE_LOAD_TUNE = 2,
- SID_STATE_PLAY_TUNE = 3
-};
#define GST_TYPE_SID_CLOCK (gst_sid_clock_get_type())
static GType
static void gst_siddec_class_init (GstSidDec * klass);
static void gst_siddec_init (GstSidDec * siddec);
-static void gst_siddec_loop (GstElement * element);
+static GstFlowReturn gst_siddec_chain (GstPad * pad, GstBuffer * buffer);
+static gboolean gst_siddec_sink_event (GstPad * pad, GstEvent * event);
static gboolean gst_siddec_src_convert (GstPad * pad, GstFormat src_format,
gint64 src_value, GstFormat * dest_format, gint64 * dest_value);
parent_class = GST_ELEMENT_CLASS (g_type_class_ref (GST_TYPE_ELEMENT));
+ gobject_class->set_property = gst_siddec_set_property;
+ gobject_class->get_property = gst_siddec_get_property;
+
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TUNE,
g_param_spec_int ("tune", "tune", "tune",
1, 100, 1, (GParamFlags) G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_METADATA,
g_param_spec_boxed ("metadata", "Metadata", "Metadata", GST_TYPE_CAPS,
(GParamFlags) G_PARAM_READABLE));
-
- gobject_class->set_property = gst_siddec_set_property;
- gobject_class->get_property = gst_siddec_get_property;
}
static void
siddec->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get (&sink_templ),
"sink");
- gst_element_add_pad (GST_ELEMENT (siddec), siddec->sinkpad);
gst_pad_set_query_function (siddec->sinkpad, NULL);
gst_pad_set_convert_function (siddec->sinkpad, NULL);
+ gst_pad_set_event_function (siddec->sinkpad, gst_siddec_sink_event);
+ gst_pad_set_chain_function (siddec->sinkpad, gst_siddec_chain);
+ gst_element_add_pad (GST_ELEMENT (siddec), siddec->sinkpad);
siddec->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get (&src_templ),
gst_pad_set_query_function (siddec->srcpad, gst_siddec_src_query);
gst_element_add_pad (GST_ELEMENT (siddec), siddec->srcpad);
- gst_element_set_loop_function (GST_ELEMENT (siddec), gst_siddec_loop);
-
siddec->engine = new emuEngine ();
siddec->tune = new sidTune (0);
siddec->config = (emuConfig *) g_malloc (sizeof (emuConfig));
siddec->engine->setConfig (*siddec->config);
siddec->engine->setDefaultFilterStrength ();
- siddec->state = SID_STATE_NEED_TUNE;
siddec->tune_buffer = (guchar *) g_malloc (maxSidtuneFileLen);
siddec->tune_len = 0;
siddec->tune_number = 1;
siddec->config->sampleFormat =
(sign ? SIDEMU_SIGNED_PCM : SIDEMU_UNSIGNED_PCM);
- if (!gst_pad_try_set_caps (siddec->srcpad,
- gst_caps_new_simple ("audio/x-raw-int",
- "endianness", G_TYPE_INT, G_BYTE_ORDER,
- "signed", G_TYPE_BOOLEAN, sign,
- "width", G_TYPE_INT, siddec->config->bitsPerSample,
- "depth", G_TYPE_INT, siddec->config->bitsPerSample,
- "rate", G_TYPE_INT, siddec->config->frequency,
- "channels", G_TYPE_INT, siddec->config->channels, NULL))) {
- return FALSE;
- }
+ gst_pad_set_caps (siddec->srcpad,
+ gst_caps_new_simple ("audio/x-raw-int",
+ "endianness", G_TYPE_INT, G_BYTE_ORDER,
+ "signed", G_TYPE_BOOLEAN, sign,
+ "width", G_TYPE_INT, siddec->config->bitsPerSample,
+ "depth", G_TYPE_INT, siddec->config->bitsPerSample,
+ "rate", G_TYPE_INT, siddec->config->frequency,
+ "channels", G_TYPE_INT, siddec->config->channels, NULL));
siddec->engine->setConfig (*siddec->config);
}
static void
-gst_siddec_loop (GstElement * element)
+play_loop (GstPad * pad)
{
+ GstFlowReturn ret;
GstSidDec *siddec;
+ GstBuffer *out;
+ GstFormat format;
+ gint64 value, offset, time;
- siddec = GST_SIDDEC (element);
+ siddec = GST_SIDDEC (GST_PAD_PARENT (pad));
- if (siddec->state == SID_STATE_NEED_TUNE) {
- GstData *data = gst_pad_pull (siddec->sinkpad);
+ GST_STREAM_LOCK (pad);
+ out = gst_buffer_new_and_alloc (siddec->blocksize);
+ gst_buffer_set_caps (out, GST_PAD_CAPS (pad));
- g_assert (data != NULL);
+ sidEmuFillBuffer (*siddec->engine, *siddec->tune,
+ GST_BUFFER_DATA (out), GST_BUFFER_SIZE (out));
- if (GST_IS_EVENT (data)) {
- GstEvent *event = GST_EVENT (data);
+ /* get offset in samples */
+ format = GST_FORMAT_DEFAULT;
+ gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &offset);
+ GST_BUFFER_OFFSET (out) = offset;
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- siddec->state = SID_STATE_LOAD_TUNE;
- break;
- case GST_EVENT_DISCONTINUOUS:
- break;
- default:
- // bail out, we're not going to do anything
- gst_event_unref (event);
- gst_pad_send_event (siddec->srcpad, gst_event_new (GST_EVENT_EOS));
- gst_element_set_eos (element);
- return;
- }
- gst_event_unref (event);
- } else {
- GstBuffer *buf = GST_BUFFER (data);
+ /* get current timestamp */
+ format = GST_FORMAT_TIME;
+ gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &time);
+ GST_BUFFER_TIMESTAMP (out) = time;
- memcpy (siddec->tune_buffer + siddec->tune_len, GST_BUFFER_DATA (buf),
- GST_BUFFER_SIZE (buf));
- siddec->tune_len += GST_BUFFER_SIZE (buf);
+ /* update position and get new timestamp to calculate duration */
+ siddec->total_bytes += siddec->blocksize;
- gst_buffer_unref (buf);
- }
+ /* get offset in samples */
+ format = GST_FORMAT_DEFAULT;
+ gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &value);
+ GST_BUFFER_OFFSET_END (out) = value;
+
+ format = GST_FORMAT_TIME;
+ gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &value);
+ GST_BUFFER_DURATION (out) = value - time;
+
+ if ((ret = gst_pad_push (siddec->srcpad, out)) != GST_FLOW_OK)
+ goto pause;
+
+ GST_STREAM_UNLOCK (pad);
+
+ return;
+
+pause:
+ {
+ gst_task_pause (GST_RPAD_TASK (pad));
+ GST_STREAM_UNLOCK (pad);
}
- if (siddec->state == SID_STATE_LOAD_TUNE) {
- if (!siddec->tune->load (siddec->tune_buffer, siddec->tune_len)) {
- GST_ELEMENT_ERROR (siddec, LIBRARY, TOO_LAZY, (NULL), (NULL));
- return;
- }
- //update_metadata (siddec);
+}
- if (!siddec_negotiate (siddec)) {
- GST_ELEMENT_ERROR (siddec, CORE, NEGOTIATION, (NULL), (NULL));
- return;
- }
+static gboolean
+start_play_tune (GstSidDec * siddec)
+{
+ gboolean res;
- if (!sidEmuInitializeSong (*siddec->engine, *siddec->tune,
- siddec->tune_number)) {
- GST_ELEMENT_ERROR (siddec, LIBRARY, TOO_LAZY, (NULL), (NULL));
- return;
- }
+ if (!siddec->tune->load (siddec->tune_buffer, siddec->tune_len))
+ goto could_not_load;
- siddec->state = SID_STATE_PLAY_TUNE;
+ //update_metadata (siddec);
+
+ if (!siddec_negotiate (siddec))
+ goto could_not_negotiate;
+
+ if (!sidEmuInitializeSong (*siddec->engine, *siddec->tune,
+ siddec->tune_number))
+ goto could_not_init;
+
+ if (GST_ELEMENT_SCHEDULER (siddec)) {
+ GST_STREAM_LOCK (siddec->srcpad);
+ GST_RPAD_TASK (siddec->srcpad) =
+ gst_scheduler_create_task (GST_ELEMENT_SCHEDULER (siddec),
+ (GstTaskFunction) play_loop, siddec->srcpad);
+
+ gst_task_start (GST_RPAD_TASK (siddec->srcpad));
+ GST_STREAM_UNLOCK (siddec->srcpad);
+ res = TRUE;
+ }
+ return res;
+
+ /* ERRORS */
+could_not_load:
+ {
+ GST_ELEMENT_ERROR (siddec, LIBRARY, TOO_LAZY, (NULL), (NULL));
+ return FALSE;
+ }
+could_not_negotiate:
+ {
+ GST_ELEMENT_ERROR (siddec, CORE, NEGOTIATION, (NULL), (NULL));
+ return FALSE;
+ }
+could_not_init:
+ {
+ GST_ELEMENT_ERROR (siddec, LIBRARY, TOO_LAZY, (NULL), (NULL));
+ return FALSE;
+ }
+}
+
+static gboolean
+gst_siddec_sink_event (GstPad * pad, GstEvent * event)
+{
+ GstSidDec *siddec;
+ gboolean res;
+
+ siddec = GST_SIDDEC (GST_PAD_PARENT (pad));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_EOS:
+ GST_STREAM_LOCK (pad);
+ res = start_play_tune (siddec);
+ GST_STREAM_UNLOCK (pad);
+ break;
+ case GST_EVENT_DISCONTINUOUS:
+ res = FALSE;
+ break;
+ default:
+ res = FALSE;
+ break;
}
- if (siddec->state == SID_STATE_PLAY_TUNE) {
- GstBuffer *out;
- GstFormat format;
- gint64 value, offset, time;
+ gst_event_unref (event);
+
+ return res;
+}
+
+static GstFlowReturn
+gst_siddec_chain (GstPad * pad, GstBuffer * buffer)
+{
+ GstSidDec *siddec;
+ guint64 size;
- out = gst_buffer_new_and_alloc (siddec->blocksize);
+ siddec = GST_SIDDEC (GST_PAD_PARENT (pad));
- sidEmuFillBuffer (*siddec->engine, *siddec->tune,
- GST_BUFFER_DATA (out), GST_BUFFER_SIZE (out));
+ size = GST_BUFFER_SIZE (buffer);
+ if (siddec->tune_len + size > maxSidtuneFileLen)
+ goto overflow;
- /* get offset in samples */
- format = GST_FORMAT_DEFAULT;
- gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &offset);
- GST_BUFFER_OFFSET (out) = offset;
+ GST_STREAM_LOCK (pad);
- /* get current timestamp */
- format = GST_FORMAT_TIME;
- gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &time);
- GST_BUFFER_TIMESTAMP (out) = time;
+ memcpy (siddec->tune_buffer + siddec->tune_len, GST_BUFFER_DATA (buffer),
+ size);
+ siddec->tune_len += size;
- /* update position and get new timestamp to calculate duration */
- siddec->total_bytes += siddec->blocksize;
+ GST_STREAM_UNLOCK (pad);
- /* get offset in samples */
- format = GST_FORMAT_DEFAULT;
- gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &value);
- GST_BUFFER_OFFSET_END (out) = value;
+ gst_buffer_unref (buffer);
- format = GST_FORMAT_TIME;
- gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &value);
- GST_BUFFER_DURATION (out) = value - time;
+ return GST_FLOW_OK;
- gst_pad_push (siddec->srcpad, GST_DATA (out));
+overflow:
+ {
+ return GST_FLOW_ERROR;
}
}
GstSidDec *siddec;
gint bytes_per_sample;
- siddec = GST_SIDDEC (gst_pad_get_parent (pad));
+ siddec = GST_SIDDEC (GST_PAD_PARENT (pad));
bytes_per_sample =
(siddec->config->bitsPerSample >> 3) * siddec->config->channels;
gboolean res = TRUE;
GstSidDec *siddec;
- siddec = GST_SIDDEC (gst_pad_get_parent (pad));
+ siddec = GST_SIDDEC (GST_PAD_PARENT (pad));
switch (type) {
case GST_QUERY_POSITION:
projects / platform / upstream / gstreamer.git / commitdiff