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sbc: Force LITTLE_ENDIAN instead of BYTE_ORDER for now

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Marcel Holtmann 2007-08-27 14:10:00 +00:00 committed by Tim-Philipp Müller
parent 85874338ff
commit e590dc56dc
3 changed files with 115 additions and 112 deletions
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2
ext/sbc/gstsbcdec.c
View file

@ -49,7 +49,7 @@ GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-int, "
"rate = (int) { 16000, 32000, 44100, 48000 }, "
"channels = (int) [ 1, 2 ], "
"endianness = (int) BYTE_ORDER, "
"endianness = (int) LITTLE_ENDIAN, "
"signed = (boolean) true, " "width = (int) 16, " "depth = (int) 16"));
static GstFlowReturn

2
ext/sbc/gstsbcenc.c
View file

@ -72,7 +72,7 @@ GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-int, "
"rate = (int) { 16000, 32000, 44100, 48000 }, "
"channels = (int) [ 1, 2 ], "
"endianness = (int) BYTE_ORDER, "
"endianness = (int) LITTLE_ENDIAN, "
"signed = (boolean) true, " "width = (int) 16, " "depth = (int) 16"));
static GstStaticPadTemplate sbc_enc_src_factory =

223
ext/sbc/gstsbcparse.c
View file

@ -29,166 +29,169 @@
#include "gstsbcparse.h"
GST_DEBUG_CATEGORY_STATIC(sbc_parse_debug);
GST_DEBUG_CATEGORY_STATIC (sbc_parse_debug);
#define GST_CAT_DEFAULT sbc_parse_debug
GST_BOILERPLATE(GstSbcParse, gst_sbc_parse, GstElement, GST_TYPE_ELEMENT);
GST_BOILERPLATE (GstSbcParse, gst_sbc_parse, GstElement, GST_TYPE_ELEMENT);
static const GstElementDetails sbc_parse_details =
GST_ELEMENT_DETAILS("Bluetooth SBC parser",
"Codec/Parser/Audio",
"Parse a SBC audio stream",
"Marcel Holtmann <marcel@holtmann.org>");
GST_ELEMENT_DETAILS ("Bluetooth SBC parser",
"Codec/Parser/Audio",
"Parse a SBC audio stream",
"Marcel Holtmann <marcel@holtmann.org>");
static GstStaticPadTemplate sbc_parse_sink_factory =
GST_STATIC_PAD_TEMPLATE("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
GST_STATIC_CAPS("audio/x-sbc"));
GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-sbc"));
static GstStaticPadTemplate sbc_parse_src_factory =
GST_STATIC_PAD_TEMPLATE("src", GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS("audio/x-sbc, "
"rate = (int) { 16000, 32000, 44100, 48000 }, "
"channels = (int) [ 1, 2 ], "
"mode = (string) { mono, dual, stereo, joint }, "
"blocks = (int) { 4, 8, 12, 16 }, "
"subbands = (int) { 4, 8 }, "
"allocation = (string) { snr, loudness }"));
GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-sbc, "
"rate = (int) { 16000, 32000, 44100, 48000 }, "
"channels = (int) [ 1, 2 ], "
"mode = (string) { mono, dual, stereo, joint }, "
"blocks = (int) { 4, 8, 12, 16 }, "
"subbands = (int) { 4, 8 }, "
"allocation = (string) { snr, loudness }"));
static GstFlowReturn sbc_parse_chain(GstPad *pad, GstBuffer *buffer)
static GstFlowReturn
sbc_parse_chain (GstPad * pad, GstBuffer * buffer)
{
GstSbcParse *parse = GST_SBC_PARSE(gst_pad_get_parent(pad));
GstFlowReturn res = GST_FLOW_OK;
guint size, offset = 0;
guint8 *data;
GstClockTime timestamp;
GstSbcParse *parse = GST_SBC_PARSE (gst_pad_get_parent (pad));
GstFlowReturn res = GST_FLOW_OK;
guint size, offset = 0;
guint8 *data;
GstClockTime timestamp;
timestamp = GST_BUFFER_TIMESTAMP(buffer);
timestamp = GST_BUFFER_TIMESTAMP (buffer);
if (parse->buffer) {
GstBuffer *temp = buffer;
buffer = gst_buffer_span(parse->buffer, 0, buffer,
GST_BUFFER_SIZE(parse->buffer) + GST_BUFFER_SIZE(buffer));
gst_buffer_unref(temp);
gst_buffer_unref(parse->buffer);
parse->buffer = NULL;
}
if (parse->buffer) {
GstBuffer *temp = buffer;
buffer = gst_buffer_span (parse->buffer, 0, buffer,
GST_BUFFER_SIZE (parse->buffer) + GST_BUFFER_SIZE (buffer));
gst_buffer_unref (temp);
gst_buffer_unref (parse->buffer);
parse->buffer = NULL;
}
data = GST_BUFFER_DATA(buffer);
size = GST_BUFFER_SIZE(buffer);
data = GST_BUFFER_DATA (buffer);
size = GST_BUFFER_SIZE (buffer);
while (offset < size) {
GstBuffer *output;
GstPadTemplate *template;
GstCaps *caps, *temp;
int consumed;
while (offset < size) {
GstBuffer *output;
GstPadTemplate *template;
GstCaps *caps, *temp;
int consumed;
consumed = sbc_parse(&parse->sbc, data + offset, size - offset);
if (consumed <= 0)
break;
consumed = sbc_parse (&parse->sbc, data + offset, size - offset);
if (consumed <= 0)
break;
caps = gst_caps_new_simple("audio/x-sbc",
"rate", G_TYPE_INT, parse->sbc.rate,
"channels", G_TYPE_INT, parse->sbc.channels,
NULL);
caps = gst_caps_new_simple ("audio/x-sbc",
"rate", G_TYPE_INT, parse->sbc.rate,
"channels", G_TYPE_INT, parse->sbc.channels, NULL);
template = gst_static_pad_template_get(&sbc_parse_src_factory);
template = gst_static_pad_template_get (&sbc_parse_src_factory);
temp = gst_caps_intersect(caps,
gst_pad_template_get_caps(template));
temp = gst_caps_intersect (caps, gst_pad_template_get_caps (template));
gst_caps_unref(caps);
gst_caps_unref (caps);
res = gst_pad_alloc_buffer_and_set_caps(parse->srcpad,
GST_BUFFER_OFFSET_NONE,
consumed, temp, &output);
res = gst_pad_alloc_buffer_and_set_caps (parse->srcpad,
GST_BUFFER_OFFSET_NONE, consumed, temp, &output);
gst_caps_unref(temp);
gst_caps_unref (temp);
if (res != GST_FLOW_OK)
goto done;
if (res != GST_FLOW_OK)
goto done;
memcpy(GST_BUFFER_DATA(output), data + offset, consumed);
memcpy (GST_BUFFER_DATA (output), data + offset, consumed);
res = gst_pad_push(parse->srcpad, output);
if (res != GST_FLOW_OK)
goto done;
res = gst_pad_push (parse->srcpad, output);
if (res != GST_FLOW_OK)
goto done;
offset += consumed;
}
offset += consumed;
}
if (offset < size)
parse->buffer = gst_buffer_create_sub(buffer,
offset, size - offset);
if (offset < size)
parse->buffer = gst_buffer_create_sub (buffer, offset, size - offset);
done:
gst_buffer_unref(buffer);
gst_object_unref(parse);
gst_buffer_unref (buffer);
gst_object_unref (parse);
return res;
return res;
}
static GstStateChangeReturn sbc_parse_change_state(GstElement *element,
GstStateChange transition)
static GstStateChangeReturn
sbc_parse_change_state (GstElement * element, GstStateChange transition)
{
GstSbcParse *parse = GST_SBC_PARSE(element);
GstSbcParse *parse = GST_SBC_PARSE (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
GST_DEBUG("Setup subband codec");
if (parse->buffer) {
gst_buffer_unref(parse->buffer);
parse->buffer = NULL;
}
sbc_init(&parse->sbc, 0);
break;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
GST_DEBUG ("Setup subband codec");
if (parse->buffer) {
gst_buffer_unref (parse->buffer);
parse->buffer = NULL;
}
sbc_init (&parse->sbc, 0);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
GST_DEBUG("Finish subband codec");
if (parse->buffer) {
gst_buffer_unref(parse->buffer);
parse->buffer = NULL;
}
sbc_finish(&parse->sbc);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
GST_DEBUG ("Finish subband codec");
if (parse->buffer) {
gst_buffer_unref (parse->buffer);
parse->buffer = NULL;
}
sbc_finish (&parse->sbc);
break;
default:
break;
}
default:
break;
}
return parent_class->change_state(element, transition);
return parent_class->change_state (element, transition);
}
static void gst_sbc_parse_base_init(gpointer g_class)
static void
gst_sbc_parse_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS(g_class);
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template(element_class,
gst_static_pad_template_get(&sbc_parse_sink_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sbc_parse_sink_factory));
gst_element_class_add_pad_template(element_class,
gst_static_pad_template_get(&sbc_parse_src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sbc_parse_src_factory));
gst_element_class_set_details(element_class, &sbc_parse_details);
gst_element_class_set_details (element_class, &sbc_parse_details);
}
static void gst_sbc_parse_class_init(GstSbcParseClass *klass)
static void
gst_sbc_parse_class_init (GstSbcParseClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS(klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
parent_class = g_type_class_peek_parent(klass);
parent_class = g_type_class_peek_parent (klass);
element_class->change_state = GST_DEBUG_FUNCPTR(sbc_parse_change_state);
element_class->change_state = GST_DEBUG_FUNCPTR (sbc_parse_change_state);
GST_DEBUG_CATEGORY_INIT(sbc_parse_debug, "sbcparse", 0,
"SBC parsing element");
GST_DEBUG_CATEGORY_INIT (sbc_parse_debug, "sbcparse", 0,
"SBC parsing element");
}
static void gst_sbc_parse_init(GstSbcParse *self, GstSbcParseClass *klass)
static void
gst_sbc_parse_init (GstSbcParse * self, GstSbcParseClass * klass)
{
self->sinkpad = gst_pad_new_from_static_template(&sbc_parse_sink_factory, "sink");
gst_pad_set_chain_function(self->sinkpad, GST_DEBUG_FUNCPTR(sbc_parse_chain));
gst_element_add_pad(GST_ELEMENT(self), self->sinkpad);
self->sinkpad =
gst_pad_new_from_static_template (&sbc_parse_sink_factory, "sink");
gst_pad_set_chain_function (self->sinkpad,
GST_DEBUG_FUNCPTR (sbc_parse_chain));
gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
self->srcpad = gst_pad_new_from_static_template(&sbc_parse_src_factory, "src");
gst_element_add_pad(GST_ELEMENT(self), self->srcpad);
self->srcpad =
gst_pad_new_from_static_template (&sbc_parse_src_factory, "src");
gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
}