#endif
#include <gst/gst.h>
-#include <gst/audio/audio.h>
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (audio_convert_debug);
#define GST_CAT_DEFAULT (audio_convert_debug)
-#if 0
-static void
-print_caps (GstCaps *caps)
-{
- GValue v = { 0, };
- GValue s = { 0, };
- g_value_init (&v, GST_TYPE_CAPS);
- g_value_init (&s, G_TYPE_STRING);
- g_value_set_boxed (&v, caps);
- g_value_transform (&v, &s);
- g_print ("%s\n", g_value_get_string (&s));
- g_value_unset (&v);
- g_value_unset (&s);
-}
-#endif
-
/*** DEFINITIONS **************************************************************/
#define GST_TYPE_AUDIO_CONVERT (gst_audio_convert_get_type())
/* this struct is a handy way of passing around all the caps info ... */
struct _GstAudioConvertCaps {
/* general caps */
- gint endianness;
- gint width;
- gint rate;
- gint channels;
+ gint endianness;
+ gint width;
+ gint rate;
+ gint channels;
+ gboolean sign;
/* int audio caps */
- gint depth;
- gboolean is_signed;
+ gint depth;
};
struct _GstAudioConvert {
- GstElement element;
+ GstElement element;
/* pads */
- GstPad * sink;
- GstPad * src;
+ GstPad * sink;
+ GstPad * src;
- /* properties */
- gboolean aggressive;
-
- /* caps: 0 = sink, 1 = src, so always convert from 0 to 1 */
- gboolean caps_set[2];
- GstAudioConvertCaps caps[2];
-
- gint law[2];
- gint endian[2];
- gint sign[2];
- gint depth[2]; /* in BITS */
- gint width[2]; /* in BITS */
- gint rate[2];
- gint channels[2];
+ GstAudioConvertCaps srccaps;
+ GstAudioConvertCaps sinkcaps;
/* conversion functions */
- GstBuffer * (* convert_internal) (GstAudioConvert *this, GstBuffer *buf);
+ GstBuffer * (* convert_internal) (GstAudioConvert *this, GstBuffer *buf);
};
struct _GstAudioConvertClass {
static void gst_audio_convert_base_init (gpointer g_class);
static void gst_audio_convert_class_init (GstAudioConvertClass *klass);
static void gst_audio_convert_init (GstAudioConvert *audio_convert);
-static void gst_audio_convert_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
-static void gst_audio_convert_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
/* gstreamer functions */
static void gst_audio_convert_chain (GstPad *pad, GstData *_data);
ARG_AGGRESSIVE,
};
-static GstElementClass *parent_class = NULL;
-/*static guint gst_audio_convert_signals[LAST_SIGNAL] = { 0 }; */
+#define DEBUG_INIT(bla) \
+ GST_DEBUG_CATEGORY_INIT (audio_convert_debug, "audioconvert", 0, "audio conversion element");
+
+GST_BOILERPLATE_FULL (GstAudioConvert, gst_audio_convert, GstElement, GST_TYPE_ELEMENT, DEBUG_INIT);
/*** GSTREAMER PROTOTYPES *****************************************************/
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
- GST_AUDIO_INT_PAD_TEMPLATE_CAPS
+ "audio/x-raw-int, " \
+ "rate = (int) [ 1, MAX ], " \
+ "channels = (int) [ 1, MAX ], " \
+ "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
+ "width = (int) { 8, 16, 32 }, " \
+ "depth = (int) [ 1, 32 ], " \
+ "signed = (boolean) { true, false }"
)
);
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
- GST_AUDIO_INT_PAD_TEMPLATE_CAPS
+ "audio/x-raw-int, " \
+ "rate = (int) [ 1, MAX ], " \
+ "channels = (int) [ 1, MAX ], " \
+ "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
+ "width = (int) { 8, 16, 32 }, " \
+ "depth = (int) [ 1, 32 ], " \
+ "signed = (boolean) { true, false }"
)
);
/*** TYPE FUNCTIONS ***********************************************************/
-GType
-gst_audio_convert_get_type(void) {
- static GType audio_convert_type = 0;
-
- if (!audio_convert_type) {
- static const GTypeInfo audio_convert_info = {
- sizeof(GstAudioConvertClass),
- gst_audio_convert_base_init,
- NULL,
- (GClassInitFunc)gst_audio_convert_class_init,
- NULL,
- NULL,
- sizeof(GstAudioConvert),
- 0,
- (GInstanceInitFunc)gst_audio_convert_init,
- };
- audio_convert_type = g_type_register_static(GST_TYPE_ELEMENT,
- "GstAudioConvert",
- &audio_convert_info, 0);
- }
- GST_DEBUG_CATEGORY_INIT (audio_convert_debug, "audioconvert", 0, "audio conversion element");
-
- return audio_convert_type;
-}
-
static void
gst_audio_convert_base_init (gpointer g_class)
{
static void
gst_audio_convert_class_init (GstAudioConvertClass *klass)
{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
-
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
-
- gobject_class->set_property = gst_audio_convert_set_property;
- gobject_class->get_property = gst_audio_convert_get_property;
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_AGGRESSIVE,
- g_param_spec_boolean("aggressive", "aggressive mode",
- "if true, tries any possible format before giving up",
- FALSE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+ GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
gstelement_class->change_state = gst_audio_convert_change_state;
}
-static GstCaps *
-gst_audioconvert_getcaps (GstPad *pad)
-{
- GstAudioConvert *this;
- GstCaps *othercaps;
- GstCaps *caps;
- GstPad *otherpad;
- int i;
-
- GST_DEBUG ("gst_audioconvert_getcaps");
- this = GST_AUDIO_CONVERT (gst_pad_get_parent (pad));
-
- otherpad = (pad == this->src) ? this->sink : this->src;
- othercaps = gst_pad_get_allowed_caps (otherpad);
-
- GST_DEBUG_CAPS ("othercaps are", othercaps);
-
- caps = gst_caps_copy (othercaps);
- for (i = 0; i < gst_caps_get_size (caps); i++) {
- GstStructure *structure = gst_caps_get_structure (caps, i);
-
- gst_audio_structure_set_int (structure, GST_AUDIO_FIELD_CHANNELS |
- GST_AUDIO_FIELD_ENDIANNESS |
- GST_AUDIO_FIELD_WIDTH |
- GST_AUDIO_FIELD_DEPTH |
- GST_AUDIO_FIELD_SIGNED);
-
- /* FIXME:
- * since gst_structure_set doesn't handle lists, we need to do lists
- * manually; would be nice if this could be done more easily */
- }
- return caps;
-}
-
static void
gst_audio_convert_init (GstAudioConvert *this)
{
gst_static_pad_template_get (&gst_audio_convert_sink_template), "sink");
gst_pad_set_getcaps_function (this->sink, gst_audio_convert_getcaps);
gst_pad_set_link_function (this->sink, gst_audio_convert_link);
- gst_pad_set_getcaps_function (this->sink, gst_audioconvert_getcaps);
gst_element_add_pad (GST_ELEMENT(this), this->sink);
/* srcpad */
gst_static_pad_template_get (&gst_audio_convert_src_template), "src");
gst_pad_set_getcaps_function (this->src, gst_audio_convert_getcaps);
gst_pad_set_link_function (this->src, gst_audio_convert_link);
- gst_pad_set_getcaps_function (this->src, gst_audioconvert_getcaps);
gst_element_add_pad (GST_ELEMENT(this), this->src);
gst_pad_set_chain_function(this->sink, gst_audio_convert_chain);
/* clear important variables */
- this->caps_set[0] = this->caps_set[1] = FALSE;
this->convert_internal = NULL;
}
-static void
-gst_audio_convert_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
-{
- GstAudioConvert *audio_convert;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_AUDIO_CONVERT(object));
- audio_convert = GST_AUDIO_CONVERT(object);
-
- switch (prop_id) {
- case ARG_AGGRESSIVE:
- audio_convert->aggressive = g_value_get_boolean (value);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_audio_convert_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
-{
- GstAudioConvert *audio_convert;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_AUDIO_CONVERT(object));
- audio_convert = GST_AUDIO_CONVERT(object);
-
- switch (prop_id) {
- case ARG_AGGRESSIVE:
- g_value_set_boolean (value, audio_convert->aggressive);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
/*** GSTREAMER FUNCTIONS ******************************************************/
static void
-gst_audio_convert_chain (GstPad *pad, GstData *_data)
+gst_audio_convert_chain (GstPad *pad, GstData *data)
{
- GstBuffer *buf = GST_BUFFER (_data);
+ GstBuffer *buf = GST_BUFFER (data);
GstAudioConvert *this;
g_return_if_fail (GST_IS_PAD (pad));
return;
}
- g_assert(this->caps_set[0] && this->caps_set[1]);
-
+ g_assert (gst_pad_is_negotiated (this->sink));
+ if (!gst_pad_is_negotiated (this->src)) {
+ gst_data_unref (data);
+ return;
+ }
+
/**
* Theory of operation:
* - convert the format (endianness, signedness, width, depth) to
gst_structure_remove_field (structure, "signed");
}
caps = gst_caps_intersect (othercaps, gst_pad_get_pad_template_caps (pad));
- gst_caps_free(othercaps);
+ gst_caps_free (othercaps);
return caps;
}
+static gboolean
+gst_audio_convert_parse_caps (const GstCaps* gst_caps, GstAudioConvertCaps *caps)
+{
+ GstStructure *structure = gst_caps_get_structure (gst_caps, 0);
+ g_return_val_if_fail (gst_caps_is_fixed (gst_caps), FALSE);
+ g_return_val_if_fail (caps != NULL, FALSE);
+
+ caps->endianness = G_BYTE_ORDER;
+ if (!gst_structure_get_int (structure, "channels", &caps->channels) ||
+ !gst_structure_get_boolean (structure, "signed", &caps->sign) ||
+ !gst_structure_get_int (structure, "depth", &caps->depth) ||
+ !gst_structure_get_int (structure, "width", &caps->width) ||
+ !gst_structure_get_int (structure, "rate", &caps->rate) ||
+ (caps->width != 8 &&
+ !gst_structure_get_int (structure, "endianness", &caps->endianness))) {
+ GST_DEBUG ("could not get some values from structure");
+ return FALSE;
+ }
+ return TRUE;
+}
+
static GstPadLinkReturn
gst_audio_convert_link (GstPad *pad, const GstCaps *caps)
{
GstAudioConvert *this;
- gint nr = 0;
- gint rate, endianness, depth, width, channels;
- gboolean sign;
- GstStructure *structure;
- gboolean ret;
+ GstPad *otherpad;
+ GstAudioConvertCaps ac_caps, other_ac_caps;
+ GstCaps *othercaps;
+ guint i;
+ GstPadLinkReturn ret;
g_return_val_if_fail(GST_IS_PAD(pad), GST_PAD_LINK_REFUSED);
g_return_val_if_fail(GST_IS_AUDIO_CONVERT(GST_OBJECT_PARENT (pad)), GST_PAD_LINK_REFUSED);
+
this = GST_AUDIO_CONVERT(GST_OBJECT_PARENT (pad));
-
- /* nr is 0 for sink pad, 1 for src pad */
- nr = (pad == this->sink) ? 0 : (pad == this->src) ? 1 : -1;
- g_assert (nr > -1);
-
- structure = gst_caps_get_structure (caps, 0);
-
- ret = gst_structure_get_int (structure, "channels", &channels);
- ret &= gst_structure_get_boolean (structure, "signed", &sign);
- ret &= gst_structure_get_int (structure, "depth", &depth);
- ret &= gst_structure_get_int (structure, "width", &width);
- ret &= gst_structure_get_int (structure, "rate", &rate);
- endianness = G_BYTE_ORDER;
- if (width != 8) {
- ret &= gst_structure_get_int (structure, "endianness", &endianness);
- }
-
- if (!ret) {
- GST_DEBUG ("could not get some values from structure");
+ otherpad = (pad == this->src ? this->sink : this->src);
+
+ /* negotiate sinkpad first */
+ if (pad == this->src &&
+ !gst_pad_is_negotiated (this->sink))
+ return GST_PAD_LINK_DELAYED;
+
+ if (!gst_audio_convert_parse_caps (caps, &ac_caps))
return GST_PAD_LINK_REFUSED;
+
+ /* try setting our caps on the other side first */
+ if (gst_pad_try_set_caps (otherpad, caps) >= GST_PAD_LINK_OK) {
+ this->srccaps = ac_caps;
+ this->sinkcaps = ac_caps;
+ return GST_PAD_LINK_OK;
}
-
- /* we don't convert rate changes, this is done by audioscale */
- /* 1 - nr is "the other caps" */
- if ((this->caps_set[1 - nr]) &&
- (rate != this->rate[1 - nr])) {
- GstPad *otherpad;
- GstPadLinkReturn ret;
-
- otherpad = (nr) ? this->src : this->sink;
- if (gst_pad_is_negotiated (otherpad))
- {
- GstCaps *othercaps = gst_caps_copy (othercaps);
-
- gst_caps_set_simple (othercaps, "rate", G_TYPE_INT, rate, NULL);
-
- ret = gst_pad_try_set_caps (otherpad, othercaps);
- if (GST_PAD_LINK_FAILED (ret))
- {
- GST_DEBUG ("could not gst_pad_try_set_caps on otherpad using othercaps");
- return GST_PAD_LINK_REFUSED;
- }
- }
- this->rate[1 - nr] = rate;
+
+ /* ok, not those - try setting "any" caps */
+ othercaps = gst_pad_get_allowed_caps (otherpad);
+ for (i = 0; i < gst_caps_get_size (othercaps); i++) {
+ GstStructure *structure = gst_caps_get_structure (othercaps, i);
+ gst_structure_set (structure, "rate", G_TYPE_INT, ac_caps.rate, NULL);
+ }
+ ret = gst_pad_try_set_caps (otherpad, othercaps);
+ gst_caps_free (othercaps);
+ if (ret < GST_PAD_LINK_OK)
+ return ret;
+ if (!gst_audio_convert_parse_caps (caps, &other_ac_caps))
+ return GST_PAD_LINK_REFUSED;
+
+ /* woohoo, got it */
+ g_return_val_if_fail (gst_audio_convert_parse_caps (
+ gst_pad_get_negotiated_caps (otherpad), &other_ac_caps),
+ GST_PAD_LINK_REFUSED);
+ if (this->sink == pad) {
+ this->srccaps = other_ac_caps;
+ this->sinkcaps = ac_caps;
+ } else {
+ this->srccaps = ac_caps;
+ this->sinkcaps = other_ac_caps;
}
-
- GST_DEBUG ("setting caps_set[%d] to TRUE", nr);
- this->caps_set[nr] = TRUE;
- this->rate[nr] = rate;
- this->channels[nr] = channels;
- this->sign[nr] = sign;
- this->endian[nr] = endianness;
- this->depth[nr] = depth;
- this->width[nr] = width;
return GST_PAD_LINK_OK;
}
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_PAUSED_TO_READY:
- this->caps_set[0] = this->caps_set[1] = FALSE;
this->convert_internal = NULL;
break;
default:
gst_audio_convert_get_buffer (GstBuffer *buf, guint size)
{
GstBuffer *ret;
+ GST_LOG ("new buffer of size %u requersted. Current is: data: %p - size: %u - maxsize: %u\n",
+ size, buf->data, buf->size, buf->maxsize);
if (buf->maxsize >= size && gst_buffer_is_writable (buf)) {
gst_buffer_ref (buf);
buf->size = size;
- return buf;
- } else if (buf->maxsize >= size) {
- buf = gst_buffer_copy (buf);
- buf->size = size;
+ GST_LOG ("returning same buffer with adjusted values. data: %p - size: %u - maxsize: %u\n",
+ buf->data, buf->size, buf->maxsize);
return buf;
} else {
g_assert ((ret = gst_buffer_new_and_alloc (size)));
- ret->timestamp = buf->timestamp;
+ gst_buffer_stamp (ret, buf);
+ GST_LOG ("returning new buffer. data: %p - size: %u - maxsize: %u\n",
+ ret->data, ret->size, ret->maxsize);
return ret;
}
}
gint32 *dest;
guint8 *src;
- if (this->width[0] == 32 && this->depth[0] == 32 &&
- this->endian[0] == G_BYTE_ORDER && this->sign[0] == TRUE)
+ if (this->sinkcaps.width == 32 && this->sinkcaps.depth == 32 &&
+ this->sinkcaps.endianness == G_BYTE_ORDER && this->sinkcaps.sign == TRUE)
return buf;
- ret = gst_audio_convert_get_buffer (buf, buf->size * 32 / this->width[0]);
+ ret = gst_audio_convert_get_buffer (buf, buf->size * 32 / this->sinkcaps.width);
count = ret->size / 4;
- src = buf->data + (count - 1) * (this->width[0] / 8);
+ src = buf->data + (count - 1) * (this->sinkcaps.width / 8);
dest = (gint32 *) ret->data;
for (i = count - 1; i >= 0; i--) {
- switch (this->width[0]) {
+ switch (this->sinkcaps.width) {
case 8:
- if (this->sign[0]) {
- CONVERT_TO (cur, src, gint8, this->sign[0], this->endian[0], GINT8_IDENTITY, GINT8_IDENTITY);
+ if (this->sinkcaps.sign) {
+ CONVERT_TO (cur, src, gint8, this->sinkcaps.sign, this->sinkcaps.endianness, GINT8_IDENTITY, GINT8_IDENTITY);
} else {
- CONVERT_TO (cur, src, guint16, this->sign[0], this->endian[0], GUINT8_IDENTITY, GUINT8_IDENTITY);
+ CONVERT_TO (cur, src, guint16, this->sinkcaps.sign, this->sinkcaps.endianness, GUINT8_IDENTITY, GUINT8_IDENTITY);
}
break;
case 16:
- if (this->sign[0]) {
- CONVERT_TO (cur, src, gint16, this->sign[0], this->endian[0], GINT16_FROM_LE, GINT16_FROM_BE);
+ if (this->sinkcaps.sign) {
+ CONVERT_TO (cur, src, gint16, this->sinkcaps.sign, this->sinkcaps.endianness, GINT16_FROM_LE, GINT16_FROM_BE);
} else {
- CONVERT_TO (cur, src, guint16, this->sign[0], this->endian[0], GUINT16_FROM_LE, GUINT16_FROM_BE);
+ CONVERT_TO (cur, src, guint16, this->sinkcaps.sign, this->sinkcaps.endianness, GUINT16_FROM_LE, GUINT16_FROM_BE);
}
break;
case 32:
- if (this->sign[0]) {
- CONVERT_TO (cur, src, gint32, this->sign[0], this->endian[0], GINT32_FROM_LE, GINT32_FROM_BE);
+ if (this->sinkcaps.sign) {
+ CONVERT_TO (cur, src, gint32, this->sinkcaps.sign, this->sinkcaps.endianness, GINT32_FROM_LE, GINT32_FROM_BE);
} else {
- CONVERT_TO (cur, src, guint32, this->sign[0], this->endian[0], GUINT32_FROM_LE, GUINT32_FROM_BE);
+ CONVERT_TO (cur, src, guint32, this->sinkcaps.sign, this->sinkcaps.endianness, GUINT32_FROM_LE, GUINT32_FROM_BE);
}
break;
default:
g_assert_not_reached ();
}
- cur = cur * ((gint64) 1 << (32 - this->depth[0]));
+ cur = cur * ((gint64) 1 << (32 - this->sinkcaps.depth));
cur = CLAMP (cur, -((gint64)1 << 32), (gint64) 0x7FFFFFFF);
write = cur;
memcpy (&dest[i], &write, 4);
return ret;
}
-#define POPULATE(format, be_func, le_func) G_STMT_START{ \
- format val; \
- format* p = (format *) dest; \
- int_value >>= (32 - this->depth[1]); \
- val = (format) int_value; \
- switch (this->endian[1]) { \
+#define POPULATE(format, be_func, le_func) G_STMT_START{ \
+ format val; \
+ format* p = (format *) dest; \
+ int_value >>= (32 - this->srccaps.depth); \
+ val = (format) int_value; \
+ switch (this->srccaps.endianness) { \
case G_LITTLE_ENDIAN: \
val = le_func (val); \
break; \
guint count, i;
gint32 *src;
- if (this->width[1] == 32 && this->depth[1] == 32 &&
- this->endian[1] == G_BYTE_ORDER && this->sign[1] == TRUE)
+ if (this->srccaps.width == 32 && this->srccaps.depth == 32 &&
+ this->srccaps.endianness == G_BYTE_ORDER && this->srccaps.sign == TRUE)
return buf;
- ret = gst_audio_convert_get_buffer (buf, buf->size * this->width[1] / 32);
+ count = buf->size / 4; /* size is undefined after gst_audio_convert_get_buffer! */
+ ret = gst_audio_convert_get_buffer (buf, buf->size * this->srccaps.width / 32);
dest = ret->data;
src = (gint32 *) buf->data;
- count = ret->size / (this->width[1] / 8);
-
for (i = 0; i < count; i++) {
gint32 int_value = *src;
src++;
- switch (this->width[1]) {
+ switch (this->srccaps.width) {
case 8:
- if (this->sign[1]) {
+ if (this->srccaps.sign) {
POPULATE (gint8, GINT8_IDENTITY, GINT8_IDENTITY);
} else {
POPULATE (guint8, GUINT8_IDENTITY, GUINT8_IDENTITY);
}
break;
case 16:
- if (this->sign[1]) {
+ if (this->srccaps.sign) {
POPULATE (gint16, GINT16_TO_BE, GINT16_TO_LE);
} else {
POPULATE (guint16, GUINT16_TO_BE, GUINT16_TO_LE);
}
break;
case 32:
- if (this->sign[1]) {
+ if (this->srccaps.sign) {
POPULATE (gint32, GINT32_TO_BE, GINT32_TO_LE);
} else {
POPULATE (guint32, GUINT32_TO_BE, GUINT32_TO_LE);
gint i, count;
guint32 *src, *dest;
- if (this->channels[0] == this->channels[1])
+ if (this->sinkcaps.channels == this->srccaps.channels)
return buf;
- count = GST_BUFFER_SIZE (buf) / 4 / this->channels[0];
- ret = gst_audio_convert_get_buffer (buf, count * 4 * this->channels[1]);
+ count = GST_BUFFER_SIZE (buf) / 4 / this->sinkcaps.channels;
+ ret = gst_audio_convert_get_buffer (buf, count * 4 * this->srccaps.channels);
src = (guint32 *) GST_BUFFER_DATA (buf);
dest = (guint32 *) GST_BUFFER_DATA (ret);
- if (this->channels[0] > this->channels[1]) {
+ if (this->sinkcaps.channels > this->srccaps.channels) {
for (i = 0; i < count; i++) {
*dest = *src >> 1;
src++;
{
if (!gst_element_register (plugin, "audioconvert", GST_RANK_NONE, GST_TYPE_AUDIO_CONVERT))
return FALSE;
- if (!gst_plugin_load ("gstaudio")) return FALSE;
return TRUE;
}
projects / platform / upstream / gst-plugins-base.git / commitdiff