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sbc: Code cleanup.

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Luiz Augusto von Dentz 2007-11-23 17:00:13 +00:00 committed by Tim-Philipp Müller
parent 742f952688
commit 6a34433dd8
2 changed files with 19 additions and 40 deletions
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56
ext/sbc/gstsbcenc.c
View file

@ -350,24 +350,11 @@ gst_sbc_enc_fill_sbc_params (GstSbcEnc * enc, GstCaps * caps)
enc->mode = enc->sbc.joint = gst_sbc_get_mode_int (mode);
enc->allocation = enc->sbc.allocation =
gst_sbc_get_allocation_mode_int (allocation);
return TRUE;
}
static gboolean
gst_sbc_enc_change_caps (GstSbcEnc * enc, GstCaps * caps)
{
GST_INFO_OBJECT (enc, "Changing srcpad caps (renegotiation)");
if (!gst_pad_accept_caps (enc->srcpad, caps)) {
GST_WARNING_OBJECT (enc, "Src pad refused caps");
return FALSE;
}
if (!gst_sbc_enc_fill_sbc_params (enc, caps)) {
GST_ERROR_OBJECT (enc, "couldn't get sbc parameters from caps");
return FALSE;
}
enc->codesize = sbc_get_codesize (&enc->sbc);
enc->frame_length = sbc_get_frame_length (&enc->sbc);
enc->frame_duration = sbc_get_frame_duration (&enc->sbc);
GST_DEBUG ("codesize: %d, frame_length: %d, frame_duration: %d",
enc->codesize, enc->frame_length, enc->frame_duration);
return TRUE;
}
@ -378,41 +365,30 @@ sbc_enc_chain (GstPad * pad, GstBuffer * buffer)
GstSbcEnc *enc = GST_SBC_ENC (gst_pad_get_parent (pad));
GstAdapter *adapter = enc->adapter;
GstFlowReturn res = GST_FLOW_OK;
gint codesize, frame_len;
codesize = sbc_get_codesize (&enc->sbc);
frame_len = sbc_get_frame_length (&enc->sbc);
gst_adapter_push (adapter, buffer);
while (gst_adapter_available (adapter) >= codesize && res == GST_FLOW_OK) {
while (gst_adapter_available (adapter) >= enc->codesize && res == GST_FLOW_OK) {
GstBuffer *output;
GstCaps *caps;
const guint8 *data;
int consumed;
caps = GST_PAD_CAPS (enc->srcpad);
res = gst_pad_alloc_buffer_and_set_caps (enc->srcpad,
GST_BUFFER_OFFSET_NONE, frame_len, caps, &output);
data = gst_adapter_peek (adapter, codesize);
consumed = sbc_encode (&enc->sbc, (gpointer) data, codesize,
GST_BUFFER_DATA (output), frame_len, NULL);
if (consumed <= 0) {
GST_ERROR ("comsumed < 0, codesize: %d", codesize);
break;
}
gst_adapter_flush (adapter, consumed);
GST_BUFFER_OFFSET_NONE, enc->frame_length, caps, &output);
if (res != GST_FLOW_OK)
goto done;
if (!gst_caps_is_equal (caps, GST_BUFFER_CAPS (output)))
if (!gst_sbc_enc_change_caps (enc, GST_BUFFER_CAPS (output))) {
res = GST_FLOW_ERROR;
GST_ERROR_OBJECT (enc, "couldn't renegotiate caps");
goto done;
}
data = gst_adapter_peek (adapter, enc->codesize);
consumed = sbc_encode (&enc->sbc, (gpointer) data,
enc->codesize,
GST_BUFFER_DATA (output), GST_BUFFER_SIZE (output), NULL);
if (consumed <= 0) {
GST_ERROR ("comsumed < 0, codesize: %d", enc->codesize);
break;
}
gst_adapter_flush (adapter, consumed);
GST_BUFFER_TIMESTAMP (output) = GST_BUFFER_TIMESTAMP (buffer);

3
ext/sbc/gstsbcenc.h
View file

@ -55,6 +55,9 @@ struct _GstSbcEnc {
gint blocks;
gint allocation;
gint subbands;
gint codesize;
gint frame_length;
gint frame_duration;
sbc_t sbc;
};