mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-01-27 01:28:34 +00:00
Code Issues 1 Projects Releases Wiki Activity

Fix vorbisenc (bug 95097)

Browse source 
Original commit message from CVS:
Fix vorbisenc (bug 95097)
This commit is contained in:
Wim Taymans 2002-10-19 16:57:08 +00:00
parent 9c3f561ddd
commit cc76e0aacd
1 changed files with 60 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

84
ext/vorbis/vorbisenc.c
View file

@ -64,6 +64,8 @@ static void gst_vorbisenc_get_property (GObject * object, guint prop_id, GValu
GParamSpec * pspec);
static void gst_vorbisenc_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec);
static GstElementStateReturn
gst_vorbisenc_change_state (GstElement *element);
static GstElementClass *parent_class = NULL;
/*static guint gst_vorbisenc_signals[LAST_SIGNAL] = { 0 }; */
@ -108,6 +110,8 @@ gst_vorbisenc_class_init (VorbisEncClass * klass)
gobject_class->set_property = gst_vorbisenc_set_property;
gobject_class->get_property = gst_vorbisenc_get_property;
gstelement_class->change_state = gst_vorbisenc_change_state;
}
static GstPadConnectReturn
@ -142,10 +146,11 @@ gst_vorbisenc_init (VorbisEnc * vorbisenc)
vorbisenc->srcpad = gst_pad_new_from_template (gst_vorbisenc_src_template, "src");
gst_element_add_pad (GST_ELEMENT (vorbisenc), vorbisenc->srcpad);
vorbisenc->channels = 2;
vorbisenc->frequency = 44100;
vorbisenc->channels = -1;
vorbisenc->frequency = -1;
vorbisenc->bitrate = 128000;
vorbisenc->setup = FALSE;
vorbisenc->eos = FALSE;
/* we're chained and we can deal with events */
GST_FLAG_SET (vorbisenc, GST_ELEMENT_EVENT_AWARE);
@ -216,27 +221,21 @@ gst_vorbisenc_chain (GstPad * pad, GstBuffer * buf)
vorbisenc = GST_VORBISENC (gst_pad_get_parent (pad));
if (!vorbisenc->setup) {
gst_element_error (GST_ELEMENT (vorbisenc), "encoder not initialized (input is not audio?)");
if (GST_IS_BUFFER (buf))
gst_buffer_unref (buf);
else
gst_pad_event_default (pad, GST_EVENT (buf));
return;
}
if (GST_IS_EVENT (buf)) {
switch (GST_EVENT_TYPE (buf)) {
GstEvent *event = GST_EVENT (buf);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
/* end of file. this can be done implicitly in the mainline,
but it's easier to see here in non-clever fashion.
Tell the library we're at end of stream so that it can handle
the last frame and mark end of stream in the output properly */
vorbis_analysis_wrote (&vorbisenc->vd, 0);
gst_event_unref (event);
break;
default:
gst_pad_event_default (pad, GST_EVENT (buf));
break;
gst_pad_event_default (pad, event);
return;
}
}
else {
@ -244,18 +243,25 @@ gst_vorbisenc_chain (GstPad * pad, GstBuffer * buf)
gulong size;
gulong i, j;
float **buffer;
if (!vorbisenc->setup) {
gst_element_error (GST_ELEMENT (vorbisenc), "encoder not initialized (input is not audio?)");
gst_buffer_unref (buf);
return;
}
/* data to encode */
data = (gint16 *) GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf) / 2;
size = GST_BUFFER_SIZE (buf) >> 1;
/* expose the buffer to submit data */
buffer = vorbis_analysis_buffer (&vorbisenc->vd, size / vorbisenc->channels);
/* uninterleave samples */
for (i = 0; i < size / vorbisenc->channels; i++) {
for (j = 0; j < vorbisenc->channels; j++)
for (j = 0; j < vorbisenc->channels; j++) {
buffer[j][i] = data[i * vorbisenc->channels + j] / 32768.f;
}
}
/* tell the library how much we actually submitted */
@ -273,7 +279,7 @@ gst_vorbisenc_chain (GstPad * pad, GstBuffer * buf)
vorbis_analysis (&vorbisenc->vb, NULL);
vorbis_bitrate_addblock(&vorbisenc->vb);
while(vorbis_bitrate_flushpacket(&vorbisenc->vd, &vorbisenc->op)) {
while (vorbis_bitrate_flushpacket (&vorbisenc->vd, &vorbisenc->op)) {
/* weld the packet into the bitstream */
ogg_stream_packetin (&vorbisenc->os, &vorbisenc->op);
@ -286,15 +292,17 @@ gst_vorbisenc_chain (GstPad * pad, GstBuffer * buf)
if (result == 0)
break;
outbuf = gst_buffer_new ();
GST_BUFFER_DATA (outbuf) = g_malloc (vorbisenc->og.header_len + vorbisenc->og.body_len);
GST_BUFFER_SIZE (outbuf) = vorbisenc->og.header_len + vorbisenc->og.body_len;
outbuf = gst_buffer_new_and_alloc (vorbisenc->og.header_len +
vorbisenc->og.body_len);
memcpy (GST_BUFFER_DATA (outbuf), vorbisenc->og.header, vorbisenc->og.header_len);
memcpy (GST_BUFFER_DATA (outbuf) + vorbisenc->og.header_len, vorbisenc->og.body,
vorbisenc->og.body_len);
memcpy (GST_BUFFER_DATA (outbuf), vorbisenc->og.header,
vorbisenc->og.header_len);
memcpy (GST_BUFFER_DATA (outbuf) + vorbisenc->og.header_len,
vorbisenc->og.body,
vorbisenc->og.body_len);
GST_DEBUG (0, "vorbisenc: encoded buffer of %d bytes", GST_BUFFER_SIZE (outbuf));
GST_DEBUG (0, "vorbisenc: encoded buffer of %d bytes",
GST_BUFFER_SIZE (outbuf));
gst_pad_push (vorbisenc->srcpad, outbuf);
@ -357,3 +365,31 @@ gst_vorbisenc_set_property (GObject * object, guint prop_id, const GValue * valu
break;
}
}
static GstElementStateReturn
gst_vorbisenc_change_state (GstElement *element)
{
VorbisEnc *vorbisenc = GST_VORBISENC (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
case GST_STATE_READY_TO_PAUSED:
vorbisenc->eos = FALSE;
vorbisenc->setup = FALSE;
break;
case GST_STATE_PAUSED_TO_PLAYING:
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
break;
case GST_STATE_READY_TO_NULL:
default:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}