ARG_0,
};
-
-
-static void gst_siren_enc_finalize (GObject * object);
-
-static gboolean gst_siren_enc_sink_setcaps (GstPad * pad, GstCaps * caps);
-static gboolean gst_siren_enc_sink_event (GstPad * pad, GstEvent * event);
-
-static GstFlowReturn gst_siren_enc_chain (GstPad * pad, GstBuffer * buf);
-static GstStateChangeReturn
-gst_siren_change_state (GstElement * element, GstStateChange transition);
-
+static gboolean gst_siren_enc_start (GstAudioEncoder * enc);
+static gboolean gst_siren_enc_stop (GstAudioEncoder * enc);
+static gboolean gst_siren_enc_set_format (GstAudioEncoder * enc,
+ GstAudioInfo * info);
+static GstFlowReturn gst_siren_enc_handle_frame (GstAudioEncoder * enc,
+ GstBuffer * in_buf);
static void
_do_init (GType type)
GST_DEBUG_CATEGORY_INIT (sirenenc_debug, "sirenenc", 0, "sirenenc");
}
-GST_BOILERPLATE_FULL (GstSirenEnc, gst_siren_enc, GstElement,
- GST_TYPE_ELEMENT, _do_init);
+GST_BOILERPLATE_FULL (GstSirenEnc, gst_siren_enc, GstAudioEncoder,
+ GST_TYPE_AUDIO_ENCODER, _do_init);
static void
gst_siren_enc_base_init (gpointer klass)
static void
gst_siren_enc_class_init (GstSirenEncClass * klass)
{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
+ GstAudioEncoderClass *base_class = GST_AUDIO_ENCODER_CLASS (klass);
GST_DEBUG ("Initializing Class");
- gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_siren_enc_finalize);
-
- gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_siren_change_state);
+ base_class->start = GST_DEBUG_FUNCPTR (gst_siren_enc_start);
+ base_class->stop = GST_DEBUG_FUNCPTR (gst_siren_enc_stop);
+ base_class->set_format = GST_DEBUG_FUNCPTR (gst_siren_enc_set_format);
+ base_class->handle_frame = GST_DEBUG_FUNCPTR (gst_siren_enc_handle_frame);
GST_DEBUG ("Class Init done");
}
static void
gst_siren_enc_init (GstSirenEnc * enc, GstSirenEncClass * klass)
{
+}
- GST_DEBUG_OBJECT (enc, "Initializing");
- enc->encoder = Siren7_NewEncoder (16000);
- enc->adapter = gst_adapter_new ();
-
- enc->sinkpad = gst_pad_new_from_static_template (&sinktemplate, "sink");
- enc->srcpad = gst_pad_new_from_static_template (&srctemplate, "src");
+static gboolean
+gst_siren_enc_start (GstAudioEncoder * enc)
+{
+ GstSirenEnc *senc = GST_SIREN_ENC (enc);
- gst_pad_set_setcaps_function (enc->sinkpad,
- GST_DEBUG_FUNCPTR (gst_siren_enc_sink_setcaps));
- gst_pad_set_event_function (enc->sinkpad,
- GST_DEBUG_FUNCPTR (gst_siren_enc_sink_event));
- gst_pad_set_chain_function (enc->sinkpad,
- GST_DEBUG_FUNCPTR (gst_siren_enc_chain));
+ GST_DEBUG_OBJECT (enc, "start");
- gst_element_add_pad (GST_ELEMENT (enc), enc->sinkpad);
- gst_element_add_pad (GST_ELEMENT (enc), enc->srcpad);
+ senc->encoder = Siren7_NewEncoder (16000);
- GST_DEBUG_OBJECT (enc, "Init done");
+ return TRUE;
}
-static void
-gst_siren_enc_finalize (GObject * object)
+static gboolean
+gst_siren_enc_stop (GstAudioEncoder * enc)
{
- GstSirenEnc *enc = GST_SIREN_ENC (object);
+ GstSirenEnc *senc = GST_SIREN_ENC (enc);
- GST_DEBUG_OBJECT (object, "Disposing");
+ GST_DEBUG_OBJECT (senc, "stop");
- Siren7_CloseEncoder (enc->encoder);
- g_object_unref (enc->adapter);
+ Siren7_CloseEncoder (senc->encoder);
- G_OBJECT_CLASS (parent_class)->finalize (object);
+ return TRUE;
}
static gboolean
-gst_siren_enc_sink_setcaps (GstPad * pad, GstCaps * caps)
+gst_siren_enc_set_format (GstAudioEncoder * benc, GstAudioInfo * info)
{
GstSirenEnc *enc;
gboolean res;
GstCaps *outcaps;
- enc = GST_SIREN_ENC (GST_PAD_PARENT (pad));
+ enc = GST_SIREN_ENC (benc);
outcaps = gst_static_pad_template_get_caps (&srctemplate);
- res = gst_pad_set_caps (enc->srcpad, outcaps);
+ res = gst_pad_set_caps (GST_AUDIO_ENCODER_SRC_PAD (enc), outcaps);
gst_caps_unref (outcaps);
- return res;
-}
-
-static gboolean
-gst_siren_enc_sink_event (GstPad * pad, GstEvent * event)
-{
- GstSirenEnc *enc;
- gboolean res;
+ /* report needs to base class */
+ gst_audio_encoder_set_frame_samples_min (benc, 320);
+ gst_audio_encoder_set_frame_samples_max (benc, 320);
+ /* no remainder or flushing please */
+ gst_audio_encoder_set_hard_min (benc, TRUE);
+ gst_audio_encoder_set_drainable (benc, FALSE);
- enc = GST_SIREN_ENC (GST_PAD_PARENT (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- gst_adapter_clear (enc->adapter);
- res = gst_pad_push_event (enc->srcpad, event);
- break;
- case GST_EVENT_FLUSH_STOP:
- gst_adapter_clear (enc->adapter);
- res = gst_pad_push_event (enc->srcpad, event);
- break;
- default:
- res = gst_pad_push_event (enc->srcpad, event);
- break;
- }
return res;
}
static GstFlowReturn
-gst_siren_enc_chain (GstPad * pad, GstBuffer * buf)
+gst_siren_enc_handle_frame (GstAudioEncoder * benc, GstBuffer * buf)
{
GstSirenEnc *enc;
GstFlowReturn ret = GST_FLOW_OK;
GstBuffer *out_buf;
guint8 *in_data, *out_data;
- guint8 *to_free = NULL;
guint i, size, num_frames;
gint out_size, in_size;
gint encode_ret;
- gboolean discont;
- GstClockTime timestamp;
- guint64 distance;
- GstCaps *outcaps;
- enc = GST_SIREN_ENC (GST_PAD_PARENT (pad));
+ g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
- discont = GST_BUFFER_IS_DISCONT (buf);
- if (discont) {
- GST_DEBUG_OBJECT (enc, "received DISCONT, flush adapter");
- gst_adapter_clear (enc->adapter);
- enc->discont = TRUE;
- }
+ enc = GST_SIREN_ENC (benc);
- gst_adapter_push (enc->adapter, buf);
+ size = GST_BUFFER_SIZE (buf);
- size = gst_adapter_available (enc->adapter);
+ GST_LOG_OBJECT (enc, "Received buffer of size %d", GST_BUFFER_SIZE (buf));
- GST_LOG_OBJECT (enc, "Received buffer of size %d with adapter of size : %d",
- GST_BUFFER_SIZE (buf), size);
+ g_return_val_if_fail (size > 0, GST_FLOW_ERROR);
+ g_return_val_if_fail (size % 640 == 0, GST_FLOW_ERROR);
/* we need to process 640 input bytes to produce 40 output bytes */
/* calculate the amount of frames we will handle */
num_frames = size / 640;
- /* no frames, wait some more */
- if (num_frames == 0)
- goto done;
-
/* this is the input/output size */
in_size = num_frames * 640;
out_size = num_frames * 40;
GST_LOG_OBJECT (enc, "we have %u frames, %u in, %u out", num_frames, in_size,
out_size);
- /* set output caps when needed */
- if ((outcaps = GST_PAD_CAPS (enc->srcpad)) == NULL) {
- outcaps = gst_static_pad_template_get_caps (&srctemplate);
- gst_pad_set_caps (enc->srcpad, outcaps);
- gst_caps_unref (outcaps);
- }
-
/* get a buffer */
- ret = gst_pad_alloc_buffer_and_set_caps (enc->srcpad, -1,
- out_size, outcaps, &out_buf);
+ ret = gst_pad_alloc_buffer_and_set_caps (GST_AUDIO_ENCODER_SRC_PAD (benc),
+ -1, out_size, GST_PAD_CAPS (GST_AUDIO_ENCODER_SRC_PAD (benc)), &out_buf);
if (ret != GST_FLOW_OK)
goto alloc_failed;
- /* get the timestamp for the output buffer */
- timestamp = gst_adapter_prev_timestamp (enc->adapter, &distance);
-
- /* add the amount of time taken by the distance */
- if (timestamp != -1)
- timestamp += gst_util_uint64_scale_int (distance / 2, GST_SECOND, 16000);
-
- GST_LOG_OBJECT (enc,
- "timestamp %" GST_TIME_FORMAT ", distance %" G_GUINT64_FORMAT,
- GST_TIME_ARGS (timestamp), distance);
-
/* get the input data for all the frames */
- to_free = in_data = gst_adapter_take (enc->adapter, in_size);
+ in_data = GST_BUFFER_DATA (buf);
out_data = GST_BUFFER_DATA (out_buf);
for (i = 0; i < num_frames; i++) {
GST_LOG_OBJECT (enc, "Finished encoding");
- /* mark discont */
- if (enc->discont) {
- GST_BUFFER_FLAG_SET (out_buf, GST_BUFFER_FLAG_DISCONT);
- enc->discont = FALSE;
- }
- GST_BUFFER_TIMESTAMP (out_buf) = timestamp;
- GST_BUFFER_DURATION (out_buf) = num_frames * FRAME_DURATION;
-
- ret = gst_pad_push (enc->srcpad, out_buf);
+ /* we encode all we get, pass it along */
+ ret = gst_audio_encoder_finish_frame (benc, out_buf, -1);
done:
- if (to_free)
- g_free (to_free);
-
return ret;
/* ERRORS */
}
}
-static GstStateChangeReturn
-gst_siren_change_state (GstElement * element, GstStateChange transition)
-{
- GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
- GstSirenEnc *enc = GST_SIREN_ENC (element);
-
- switch (transition) {
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- enc->discont = FALSE;
- break;
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- gst_adapter_clear (enc->adapter);
- break;
- default:
- break;
- }
-
- return ret;
-}
-
gboolean
gst_siren_enc_plugin_init (GstPlugin * plugin)
{
projects / platform / upstream / gstreamer.git / commitdiff