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speexenc: only push header buffers following initial events

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This commit is contained in:
Mark Nauwelaerts 2011-10-09 21:31:27 +02:00
parent ca417fd376
commit 00a91fc061
2 changed files with 43 additions and 12 deletions
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54
ext/speex/gstspeexenc.c
View file

@ -132,6 +132,8 @@ static GstFlowReturn gst_speex_enc_handle_frame (GstAudioEncoder * enc,
GstBuffer * in_buf);
static gboolean gst_speex_enc_sink_event (GstAudioEncoder * enc,
GstEvent * event);
static GstFlowReturn
gst_speex_enc_pre_push (GstAudioEncoder * benc, GstBuffer ** buffer);
static void
gst_speex_enc_setup_interfaces (GType speexenc_type)
@ -178,6 +180,7 @@ gst_speex_enc_class_init (GstSpeexEncClass * klass)
base_class->set_format = GST_DEBUG_FUNCPTR (gst_speex_enc_set_format);
base_class->handle_frame = GST_DEBUG_FUNCPTR (gst_speex_enc_handle_frame);
base_class->event = GST_DEBUG_FUNCPTR (gst_speex_enc_sink_event);
base_class->pre_push = GST_DEBUG_FUNCPTR (gst_speex_enc_pre_push);
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QUALITY,
g_param_spec_float ("quality", "Quality", "Encoding quality",
@ -276,6 +279,8 @@ gst_speex_enc_stop (GstAudioEncoder * benc)
speex_bits_destroy (&enc->bits);
gst_tag_list_free (enc->tags);
enc->tags = NULL;
g_slist_foreach (enc->headers, (GFunc) gst_buffer_unref, NULL);
enc->headers = NULL;
return TRUE;
}
@ -501,6 +506,7 @@ gst_speex_enc_push_buffer (GstSpeexEnc * enc, GstBuffer * buffer)
size = GST_BUFFER_SIZE (buffer);
GST_DEBUG_OBJECT (enc, "pushing output buffer of size %u", size);
gst_buffer_set_caps (buffer, GST_PAD_CAPS (GST_AUDIO_ENCODER_SRC_PAD (enc)));
return gst_pad_push (GST_AUDIO_ENCODER_SRC_PAD (enc), buffer);
}
@ -703,20 +709,16 @@ gst_speex_enc_handle_frame (GstAudioEncoder * benc, GstBuffer * buf)
gst_buffer_set_caps (buf1, caps);
gst_buffer_set_caps (buf2, caps);
gst_pad_set_caps (GST_AUDIO_ENCODER_SRC_PAD (enc), caps);
gst_caps_unref (caps);
/* push out buffers */
ret = gst_speex_enc_push_buffer (enc, buf1);
if (ret != GST_FLOW_OK) {
gst_buffer_unref (buf2);
goto done;
}
ret = gst_speex_enc_push_buffer (enc, buf2);
if (ret != GST_FLOW_OK)
goto done;
/* store buffers for later pre_push sending */
g_slist_foreach (enc->headers, (GFunc) gst_buffer_unref, NULL);
enc->headers = NULL;
GST_DEBUG_OBJECT (enc, "storing header buffers");
enc->headers = g_slist_prepend (enc->headers, buf2);
enc->headers = g_slist_prepend (enc->headers, buf1);
enc->header_sent = TRUE;
}
@ -726,10 +728,38 @@ gst_speex_enc_handle_frame (GstAudioEncoder * benc, GstBuffer * buf)
ret = gst_speex_enc_encode (enc, buf);
done:
return ret;
}
static GstFlowReturn
gst_speex_enc_pre_push (GstAudioEncoder * benc, GstBuffer ** buffer)
{
GstSpeexEnc *enc;
GstFlowReturn ret = GST_FLOW_OK;
enc = GST_SPEEX_ENC (benc);
/* FIXME 0.11 ? get rid of this special ogg stuff and have it
* put and use 'codec data' in caps like anything else,
* with all the usual out-of-band advantage etc */
if (G_UNLIKELY (enc->headers)) {
GSList *header = enc->headers;
/* try to push all of these, if we lose one, might as well lose all */
while (header) {
if (ret == GST_FLOW_OK)
ret = gst_speex_enc_push_buffer (enc, header->data);
else
gst_speex_enc_push_buffer (enc, header->data);
header = g_slist_next (header);
}
g_slist_free (enc->headers);
enc->headers = NULL;
}
return ret;
}
static void
gst_speex_enc_get_property (GObject * object, guint prop_id, GValue * value,

1
ext/speex/gstspeexenc.h
View file

@ -80,6 +80,7 @@ struct _GstSpeexEnc {
gint rate;
gboolean header_sent;
GSList *headers;
GstTagList *tags;