#include "alaw-encode.h"
#include "alaw-decode.h"
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define INT_FORMAT "S16_LE"
+#else
+#define INT_FORMAT "S16_BE"
+#endif
+
GstStaticPadTemplate alaw_dec_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-raw-int, "
- "rate = (int) [ 8000, 192000 ], "
- "channels = (int) [ 1, 2 ], "
- "endianness = (int) BYTE_ORDER, "
- "width = (int) 16, " "depth = (int) 16, " "signed = (boolean) True")
+ GST_STATIC_CAPS ("audio/x-raw, "
+ "format = (string) " INT_FORMAT ", "
+ "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
);
GstStaticPadTemplate alaw_dec_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GstStaticPadTemplate alaw_enc_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-raw-int, "
- "rate = (int) [ 8000, 192000 ], "
- "channels = (int) [ 1, 2 ], "
- "endianness = (int) BYTE_ORDER, "
- "width = (int) 16, " "depth = (int) 16, " "signed = (boolean) True")
+ GST_STATIC_CAPS ("audio/x-raw, "
+ "format = (string) " INT_FORMAT ", "
+ "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
);
GstStaticPadTemplate alaw_enc_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
#include "config.h"
#endif
#include <gst/gst.h>
+
#include "mulaw-decode.h"
#include "mulaw-conversion.h"
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define INT_FORMAT "S16_LE"
+#else
+#define INT_FORMAT "S16_BE"
+#endif
+
extern GstStaticPadTemplate mulaw_dec_src_factory;
extern GstStaticPadTemplate mulaw_dec_sink_factory;
ARG_0
};
-static void gst_mulawdec_class_init (GstMuLawDecClass * klass);
-static void gst_mulawdec_base_init (GstMuLawDecClass * klass);
-static void gst_mulawdec_init (GstMuLawDec * mulawdec);
static GstStateChangeReturn
gst_mulawdec_change_state (GstElement * element, GstStateChange transition);
+static gboolean gst_mulawdec_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_mulawdec_chain (GstPad * pad, GstBuffer * buffer);
-static GstElementClass *parent_class = NULL;
+#define gst_mulawdec_parent_class parent_class
+G_DEFINE_TYPE (GstMuLawDec, gst_mulawdec, GST_TYPE_ELEMENT);
static gboolean
-mulawdec_sink_setcaps (GstPad * pad, GstCaps * caps)
+mulawdec_setcaps (GstMuLawDec * mulawdec, GstCaps * caps)
{
- GstMuLawDec *mulawdec;
GstStructure *structure;
int rate, channels;
gboolean ret;
GstCaps *outcaps;
- mulawdec = GST_MULAWDEC (GST_PAD_PARENT (pad));
-
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_int (structure, "rate", &rate);
ret = ret && gst_structure_get_int (structure, "channels", &channels);
if (!ret)
return FALSE;
- outcaps = gst_caps_new_simple ("audio/x-raw-int",
- "width", G_TYPE_INT, 16,
- "depth", G_TYPE_INT, 16,
- "endianness", G_TYPE_INT, G_BYTE_ORDER,
- "signed", G_TYPE_BOOLEAN, TRUE,
+ outcaps = gst_caps_new_simple ("audio/x-raw",
+ "format", G_TYPE_STRING, INT_FORMAT,
"rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, channels, NULL);
ret = gst_pad_set_caps (mulawdec->srcpad, outcaps);
gst_caps_unref (outcaps);
}
static GstCaps *
-mulawdec_getcaps (GstPad * pad)
+mulawdec_getcaps (GstPad * pad, GstCaps * filter)
{
GstMuLawDec *mulawdec;
GstPad *otherpad;
/* figure out the name of the caps we are going to return */
if (pad == mulawdec->srcpad) {
- name = "audio/x-raw-int";
+ name = "audio/x-raw";
otherpad = mulawdec->sinkpad;
} else {
name = "audio/x-mulaw";
otherpad = mulawdec->srcpad;
}
/* get caps from the peer, this can return NULL when there is no peer */
- othercaps = gst_pad_peer_get_caps (otherpad);
+ othercaps = gst_pad_peer_get_caps (otherpad, filter);
/* get the template caps to make sure we return something acceptable */
templ = gst_pad_get_pad_template_caps (pad);
if (pad == mulawdec->sinkpad) {
/* remove the fields we don't want */
- gst_structure_remove_fields (structure, "width", "depth", "endianness",
- "signed", NULL);
+ gst_structure_remove_fields (structure, "format", NULL);
} else {
/* add fixed fields */
- gst_structure_set (structure, "width", G_TYPE_INT, 16,
- "depth", G_TYPE_INT, 16,
- "endianness", G_TYPE_INT, G_BYTE_ORDER,
- "signed", G_TYPE_BOOLEAN, TRUE, NULL);
+ gst_structure_set (structure, "format", G_TYPE_STRING, INT_FORMAT,
+ NULL);
}
}
/* filter against the allowed caps of the pad to return our result */
return result;
}
-GType
-gst_mulawdec_get_type (void)
-{
- static GType mulawdec_type = 0;
-
- if (!mulawdec_type) {
- static const GTypeInfo mulawdec_info = {
- sizeof (GstMuLawDecClass),
- (GBaseInitFunc) gst_mulawdec_base_init,
- NULL,
- (GClassInitFunc) gst_mulawdec_class_init,
- NULL,
- NULL,
- sizeof (GstMuLawDec),
- 0,
- (GInstanceInitFunc) gst_mulawdec_init,
- };
-
- mulawdec_type =
- g_type_register_static (GST_TYPE_ELEMENT, "GstMuLawDec", &mulawdec_info,
- 0);
- }
- return mulawdec_type;
-}
-
static void
-gst_mulawdec_base_init (GstMuLawDecClass * klass)
+gst_mulawdec_class_init (GstMuLawDecClass * klass)
{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ GstElementClass *element_class = (GstElementClass *) klass;
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&mulaw_dec_src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&mulaw_dec_sink_factory));
+
gst_element_class_set_details_simple (element_class, "Mu Law audio decoder",
"Codec/Decoder/Audio",
"Convert 8bit mu law to 16bit PCM",
"Zaheer Abbas Merali <zaheerabbas at merali dot org>");
-}
-
-static void
-gst_mulawdec_class_init (GstMuLawDecClass * klass)
-{
- GstElementClass *element_class = (GstElementClass *) klass;
-
- parent_class = g_type_class_peek_parent (klass);
element_class->change_state = GST_DEBUG_FUNCPTR (gst_mulawdec_change_state);
}
{
mulawdec->sinkpad =
gst_pad_new_from_static_template (&mulaw_dec_sink_factory, "sink");
- gst_pad_set_setcaps_function (mulawdec->sinkpad, mulawdec_sink_setcaps);
gst_pad_set_getcaps_function (mulawdec->sinkpad, mulawdec_getcaps);
+ gst_pad_set_event_function (mulawdec->sinkpad, gst_mulawdec_event);
gst_pad_set_chain_function (mulawdec->sinkpad, gst_mulawdec_chain);
gst_element_add_pad (GST_ELEMENT (mulawdec), mulawdec->sinkpad);
gst_element_add_pad (GST_ELEMENT (mulawdec), mulawdec->srcpad);
}
+static gboolean
+gst_mulawdec_event (GstPad * pad, GstEvent * event)
+{
+ GstMuLawDec *mulawdec;
+ gboolean res;
+
+ mulawdec = GST_MULAWDEC (GST_PAD_PARENT (pad));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_CAPS:
+ {
+ GstCaps *caps;
+
+ gst_event_parse_caps (event, &caps);
+ mulawdec_setcaps (mulawdec, caps);
+ gst_event_unref (event);
+
+ res = TRUE;
+ break;
+ }
+ default:
+ res = gst_pad_event_default (pad, event);
+ break;
+ }
+ return res;
+}
+
static GstFlowReturn
gst_mulawdec_chain (GstPad * pad, GstBuffer * buffer)
{
GstMuLawDec *mulawdec;
gint16 *linear_data;
guint8 *mulaw_data;
- guint mulaw_size;
+ gsize mulaw_size, linear_size;
GstBuffer *outbuf;
GstFlowReturn ret;
if (G_UNLIKELY (mulawdec->rate == 0))
goto not_negotiated;
- mulaw_data = (guint8 *) GST_BUFFER_DATA (buffer);
- mulaw_size = GST_BUFFER_SIZE (buffer);
+ mulaw_data = gst_buffer_map (buffer, &mulaw_size, NULL, GST_MAP_READ);
- ret =
- gst_pad_alloc_buffer_and_set_caps (mulawdec->srcpad,
- GST_BUFFER_OFFSET_NONE, mulaw_size * 2, GST_PAD_CAPS (mulawdec->srcpad),
- &outbuf);
- if (ret != GST_FLOW_OK)
- goto alloc_failed;
+ linear_size = mulaw_size * 2;
- linear_data = (gint16 *) GST_BUFFER_DATA (outbuf);
+ outbuf = gst_buffer_new_allocate (NULL, linear_size, 0);
+ linear_data = gst_buffer_map (outbuf, NULL, NULL, GST_MAP_WRITE);
/* copy discont flag */
if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT))
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buffer);
if (GST_BUFFER_DURATION (outbuf) == GST_CLOCK_TIME_NONE)
GST_BUFFER_DURATION (outbuf) = gst_util_uint64_scale_int (GST_SECOND,
- mulaw_size * 2, 2 * mulawdec->rate * mulawdec->channels);
+ linear_size, 2 * mulawdec->rate * mulawdec->channels);
else
GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buffer);
- gst_buffer_set_caps (outbuf, GST_PAD_CAPS (mulawdec->srcpad));
mulaw_decode (mulaw_data, linear_data, mulaw_size);
+ gst_buffer_unmap (outbuf, linear_data, -1);
+ gst_buffer_unmap (buffer, mulaw_data, -1);
gst_buffer_unref (buffer);
ret = gst_pad_push (mulawdec->srcpad, outbuf);
gst_buffer_unref (buffer);
return GST_FLOW_NOT_NEGOTIATED;
}
-alloc_failed:
- {
- GST_DEBUG_OBJECT (mulawdec, "pad alloc failed, flow: %s",
- gst_flow_get_name (ret));
- gst_buffer_unref (buffer);
- return ret;
- }
}
static GstStateChangeReturn
ARG_0
};
-static void gst_mulawenc_class_init (GstMuLawEncClass * klass);
-static void gst_mulawenc_base_init (GstMuLawEncClass * klass);
-static void gst_mulawenc_init (GstMuLawEnc * mulawenc);
-
+static gboolean gst_mulawenc_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_mulawenc_chain (GstPad * pad, GstBuffer * buffer);
-static GstElementClass *parent_class = NULL;
+#define gst_mulawenc_parent_class parent_class
+G_DEFINE_TYPE (GstMuLawEnc, gst_mulawenc, GST_TYPE_ELEMENT);
/*static guint gst_stereo_signals[LAST_SIGNAL] = { 0 }; */
static GstCaps *
-mulawenc_getcaps (GstPad * pad)
+mulawenc_getcaps (GstPad * pad, GstCaps * filter)
{
GstMuLawEnc *mulawenc;
GstPad *otherpad;
otherpad = mulawenc->srcpad;
}
/* get caps from the peer, this can return NULL when there is no peer */
- othercaps = gst_pad_peer_get_caps (otherpad);
+ othercaps = gst_pad_peer_get_caps (otherpad, filter);
/* get the template caps to make sure we return something acceptable */
templ = gst_pad_get_pad_template_caps (pad);
}
static gboolean
-mulawenc_setcaps (GstPad * pad, GstCaps * caps)
+mulawenc_setcaps (GstMuLawEnc * mulawenc, GstCaps * caps)
{
- GstMuLawEnc *mulawenc;
- GstPad *otherpad;
GstStructure *structure;
GstCaps *base_caps;
- mulawenc = GST_MULAWENC (gst_pad_get_parent (pad));
-
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "channels", &mulawenc->channels);
gst_structure_get_int (structure, "rate", &mulawenc->rate);
- if (pad == mulawenc->sinkpad) {
- otherpad = mulawenc->srcpad;
- } else {
- otherpad = mulawenc->sinkpad;
- }
- base_caps = gst_caps_copy (gst_pad_get_pad_template_caps (otherpad));
+ base_caps = gst_caps_copy (gst_pad_get_pad_template_caps (mulawenc->srcpad));
structure = gst_caps_get_structure (base_caps, 0);
gst_structure_set (structure, "rate", G_TYPE_INT, mulawenc->rate, NULL);
gst_structure_set (structure, "channels", G_TYPE_INT, mulawenc->channels,
NULL);
- gst_pad_set_caps (otherpad, base_caps);
+ gst_pad_set_caps (mulawenc->srcpad, base_caps);
- gst_object_unref (mulawenc);
gst_caps_unref (base_caps);
return TRUE;
}
-GType
-gst_mulawenc_get_type (void)
-{
- static GType mulawenc_type = 0;
-
- if (!mulawenc_type) {
- static const GTypeInfo mulawenc_info = {
- sizeof (GstMuLawEncClass),
- (GBaseInitFunc) gst_mulawenc_base_init,
- NULL,
- (GClassInitFunc) gst_mulawenc_class_init,
- NULL,
- NULL,
- sizeof (GstMuLawEnc),
- 0,
- (GInstanceInitFunc) gst_mulawenc_init,
- };
-
- mulawenc_type =
- g_type_register_static (GST_TYPE_ELEMENT, "GstMuLawEnc", &mulawenc_info,
- 0);
- }
- return mulawenc_type;
-}
-
static void
-gst_mulawenc_base_init (GstMuLawEncClass * klass)
+gst_mulawenc_class_init (GstMuLawEncClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_static_pad_template_get (&mulaw_enc_src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&mulaw_enc_sink_factory));
+
gst_element_class_set_details_simple (element_class, "Mu Law audio encoder",
"Codec/Encoder/Audio",
"Convert 16bit PCM to 8bit mu law",
}
static void
-gst_mulawenc_class_init (GstMuLawEncClass * klass)
-{
- parent_class = g_type_class_peek_parent (klass);
-}
-
-static void
gst_mulawenc_init (GstMuLawEnc * mulawenc)
{
mulawenc->sinkpad =
gst_pad_new_from_static_template (&mulaw_enc_sink_factory, "sink");
- gst_pad_set_setcaps_function (mulawenc->sinkpad, mulawenc_setcaps);
gst_pad_set_getcaps_function (mulawenc->sinkpad, mulawenc_getcaps);
+ gst_pad_set_event_function (mulawenc->sinkpad, gst_mulawenc_event);
gst_pad_set_chain_function (mulawenc->sinkpad, gst_mulawenc_chain);
gst_element_add_pad (GST_ELEMENT (mulawenc), mulawenc->sinkpad);
mulawenc->srcpad =
gst_pad_new_from_static_template (&mulaw_enc_src_factory, "src");
- gst_pad_set_setcaps_function (mulawenc->srcpad, mulawenc_setcaps);
gst_pad_set_getcaps_function (mulawenc->srcpad, mulawenc_getcaps);
gst_pad_use_fixed_caps (mulawenc->srcpad);
gst_element_add_pad (GST_ELEMENT (mulawenc), mulawenc->srcpad);
mulawenc->rate = 0;
}
+static gboolean
+gst_mulawenc_event (GstPad * pad, GstEvent * event)
+{
+ GstMuLawEnc *mulawenc;
+ gboolean res;
+
+ mulawenc = GST_MULAWENC (GST_PAD_PARENT (pad));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_CAPS:
+ {
+ GstCaps *caps;
+
+ gst_event_parse_caps (event, &caps);
+ mulawenc_setcaps (mulawenc, caps);
+ gst_event_unref (event);
+
+ res = TRUE;
+ break;
+ }
+ default:
+ res = gst_pad_event_default (pad, event);
+ break;
+ }
+ return res;
+}
+
static GstFlowReturn
gst_mulawenc_chain (GstPad * pad, GstBuffer * buffer)
{
GstMuLawEnc *mulawenc;
gint16 *linear_data;
- guint linear_size;
+ gsize linear_size;
guint8 *mulaw_data;
guint mulaw_size;
GstBuffer *outbuf;
if (!mulawenc->rate || !mulawenc->channels)
goto not_negotiated;
- linear_data = (gint16 *) GST_BUFFER_DATA (buffer);
- linear_size = GST_BUFFER_SIZE (buffer);
+ linear_data = gst_buffer_map (buffer, &linear_size, NULL, GST_MAP_READ);
mulaw_size = linear_size / 2;
timestamp = GST_BUFFER_TIMESTAMP (buffer);
duration = GST_BUFFER_DURATION (buffer);
- ret = gst_pad_alloc_buffer_and_set_caps (mulawenc->srcpad,
- GST_BUFFER_OFFSET_NONE, mulaw_size, GST_PAD_CAPS (mulawenc->srcpad),
- &outbuf);
- if (ret != GST_FLOW_OK)
- goto alloc_failed;
+ outbuf = gst_buffer_new_allocate (NULL, mulaw_size, 0);
if (duration == -1) {
duration = gst_util_uint64_scale_int (mulaw_size,
GST_SECOND, mulawenc->rate * mulawenc->channels);
}
- if (GST_BUFFER_SIZE (outbuf) < mulaw_size) {
- /* pad-alloc can suggest a smaller size */
- gst_buffer_unref (outbuf);
- outbuf = gst_buffer_new_and_alloc (mulaw_size);
- }
-
- mulaw_data = (guint8 *) GST_BUFFER_DATA (outbuf);
+ mulaw_data = gst_buffer_map (outbuf, NULL, NULL, GST_MAP_WRITE);
/* copy discont flag */
if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT))
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
GST_BUFFER_DURATION (outbuf) = duration;
- gst_buffer_set_caps (outbuf, GST_PAD_CAPS (mulawenc->srcpad));
-
mulaw_encode (linear_data, mulaw_data, mulaw_size);
+ gst_buffer_unmap (outbuf, mulaw_data, -1);
+ gst_buffer_unmap (buffer, linear_data, -1);
gst_buffer_unref (buffer);
ret = gst_pad_push (mulawenc->srcpad, outbuf);
gst_buffer_unref (buffer);
goto done;
}
-alloc_failed:
- {
- GST_DEBUG_OBJECT (mulawenc, "pad alloc failed");
- gst_buffer_unref (buffer);
- goto done;
- }
}
#include "mulaw-encode.h"
#include "mulaw-decode.h"
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define INT_FORMAT "S16_LE"
+#else
+#define INT_FORMAT "S16_BE"
+#endif
+
GstStaticPadTemplate mulaw_dec_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-raw-int, "
- "rate = (int) [ 8000, 192000 ], "
- "channels = (int) [ 1, 2 ], "
- "endianness = (int) BYTE_ORDER, "
- "width = (int) 16, " "depth = (int) 16, " "signed = (boolean) True")
+ GST_STATIC_CAPS ("audio/x-raw, "
+ "format = (string) " INT_FORMAT ", "
+ "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
);
GstStaticPadTemplate mulaw_dec_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GstStaticPadTemplate mulaw_enc_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-raw-int, "
- "rate = (int) [ 8000, 192000 ], "
- "channels = (int) [ 1, 2 ], "
- "endianness = (int) BYTE_ORDER, "
- "width = (int) 16, " "depth = (int) 16, " "signed = (boolean) True")
+ GST_STATIC_CAPS ("audio/x-raw, "
+ "format = (string) " INT_FORMAT ", "
+ "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
);
GstStaticPadTemplate mulaw_enc_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
projects / platform / upstream / gst-plugins-good.git / commitdiff