mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-26 19:51:11 +00:00
update sinesrc to latest caps
Original commit message from CVS: update sinesrc to latest caps
This commit is contained in:
Steve Baker
parent
ad7fd56339
commit
f02d86f752
4 changed files with 204 additions and 38 deletions
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@ -54,9 +54,35 @@ enum {
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ARG_BUFFER_SIZE,
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};
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static GstPadTemplate*
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sinesrc_src_factory (void)
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{
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return
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gst_padtemplate_new (
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"src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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gst_caps_new (
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"sinesrc_src",
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"audio/raw",
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gst_props_new (
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"format", GST_PROPS_STRING ("int"),
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"law", GST_PROPS_INT (0),
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"endianness", GST_PROPS_INT (G_BYTE_ORDER),
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"signed", GST_PROPS_BOOLEAN (TRUE),
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"width", GST_PROPS_INT (16),
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"depth", GST_PROPS_INT (16),
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"rate", GST_PROPS_INT_RANGE (8000, 48000),
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"channels", GST_PROPS_INT (1),
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NULL)),
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NULL);
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}
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static GstPadTemplate *src_temp;
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static void gst_sinesrc_class_init(GstSineSrcClass *klass);
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static void gst_sinesrc_init(GstSineSrc *src);
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static GstPadNegotiateReturn gst_sinesrc_negotiate (GstPad *pad, GstCaps **caps, gpointer *data);
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static void gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id);
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static void gst_sinesrc_get_arg(GtkObject *object,GtkArg *arg,guint id);
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//static gboolean gst_sinesrc_change_state(GstElement *element,
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@ -66,7 +92,7 @@ static void gst_sinesrc_get_arg(GtkObject *object,GtkArg *arg,guint id);
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static void gst_sinesrc_populate_sinetable(GstSineSrc *src);
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static inline void gst_sinesrc_update_table_inc(GstSineSrc *src);
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static inline void gst_sinesrc_update_vol_scale(GstSineSrc *src);
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void gst_sinesrc_sync_parms(GstSineSrc *src);
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void gst_sinesrc_force_caps(GstSineSrc *src);
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static GstBuffer * gst_sinesrc_get(GstPad *pad);
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@ -122,31 +148,50 @@ gst_sinesrc_class_init(GstSineSrcClass *klass) {
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// gstelement_class->change_state = gst_sinesrc_change_state;
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}
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static void gst_sinesrc_init(GstSineSrc *src) {
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static void
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gst_sinesrc_init(GstSineSrc *src) {
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src->srcpad = gst_pad_new_from_template (src_temp, "src");
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src->srcpad = gst_pad_new("src",GST_PAD_SRC);
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gst_pad_set_get_function(src->srcpad, gst_sinesrc_get);
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gst_element_add_pad(GST_ELEMENT(src), src->srcpad);
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gst_pad_set_negotiate_function (src->srcpad, gst_sinesrc_negotiate);
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gst_pad_set_get_function(src->srcpad, gst_sinesrc_get);
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src->volume = 1.0;
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gst_sinesrc_update_vol_scale(src);
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src->format = 16;
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src->samplerate = 44100;
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src->freq = 100.0;
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src->newcaps = FALSE;
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src->freq = 440.0;
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src->newcaps = TRUE;
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src->table_pos = 0.0;
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src->table_size = 1024;
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gst_sinesrc_populate_sinetable(src);
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gst_sinesrc_update_table_inc(src);
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gst_sinesrc_sync_parms(src);
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src->buffer_size=1024;
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src->seq = 0;
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}
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static GstPadNegotiateReturn
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gst_sinesrc_negotiate (GstPad *pad, GstCaps **caps, gpointer *data)
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{
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GstSineSrc *src;
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if (*caps) {
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g_return_val_if_fail (pad != NULL, GST_PAD_NEGOTIATE_FAIL);
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src = GST_SINESRC(gst_pad_get_parent (pad));
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src->samplerate = gst_caps_get_int (*caps, "rate");
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gst_sinesrc_update_table_inc(src);
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return GST_PAD_NEGOTIATE_AGREE;
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}
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return GST_PAD_NEGOTIATE_FAIL;
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}
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static GstBuffer *
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gst_sinesrc_get(GstPad *pad)
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{
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@ -194,14 +239,14 @@ gst_sinesrc_get(GstPad *pad)
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}
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if (src->newcaps) {
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src->newcaps = FALSE;
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gst_sinesrc_force_caps(src);
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}
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//g_print(">");
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return buf;
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}
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static void gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
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static void
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gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
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GstSineSrc *src;
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/* it's not null if we got it, but it might not be ours */
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@ -217,11 +262,11 @@ static void gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
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break;
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case ARG_FORMAT:
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src->format = GTK_VALUE_INT(*arg);
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gst_sinesrc_sync_parms(src);
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src->newcaps=TRUE;
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break;
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case ARG_SAMPLERATE:
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src->samplerate = GTK_VALUE_INT(*arg);
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gst_sinesrc_sync_parms(src);
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src->newcaps=TRUE;
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gst_sinesrc_update_table_inc(src);
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break;
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case ARG_FREQ: {
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@ -244,7 +289,8 @@ static void gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
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}
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}
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static void gst_sinesrc_get_arg(GtkObject *object,GtkArg *arg,guint id) {
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static void
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gst_sinesrc_get_arg(GtkObject *object,GtkArg *arg,guint id) {
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GstSineSrc *src;
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/* it's not null if we got it, but it might not be ours */
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@ -299,7 +345,8 @@ static gboolean gst_sinesrc_change_state(GstElement *element,
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}
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*/
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static void gst_sinesrc_populate_sinetable(GstSineSrc *src)
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static void
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gst_sinesrc_populate_sinetable(GstSineSrc *src)
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{
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gint i;
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gdouble pi2scaled = M_PI * 2 / src->table_size;
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@ -313,16 +360,51 @@ static void gst_sinesrc_populate_sinetable(GstSineSrc *src)
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src->table_data = table;
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}
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static inline void gst_sinesrc_update_table_inc(GstSineSrc *src)
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static inline void
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gst_sinesrc_update_table_inc(GstSineSrc *src)
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{
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src->table_inc = src->table_size * src->freq / src->samplerate;
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}
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static inline void gst_sinesrc_update_vol_scale(GstSineSrc *src)
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static inline void
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gst_sinesrc_update_vol_scale(GstSineSrc *src)
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{
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src->vol_scale = 32767 * src->volume;
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}
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void gst_sinesrc_sync_parms(GstSineSrc *src) {
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src->newcaps = TRUE;
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void
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gst_sinesrc_force_caps(GstSineSrc *src) {
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GstCaps *caps;
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if (!src->newcaps)
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return;
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src->newcaps=FALSE;
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caps = gst_caps_new (
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"sinesrc_src_caps",
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"audio/raw",
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gst_props_new (
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"format", GST_PROPS_STRING ("int"),
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"law", GST_PROPS_INT (0),
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"endianness", GST_PROPS_INT (G_BYTE_ORDER),
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"signed", GST_PROPS_BOOLEAN (TRUE),
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"width", GST_PROPS_INT (16),
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"depth", GST_PROPS_INT (16),
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"rate", GST_PROPS_INT (src->samplerate),
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"channels", GST_PROPS_INT (1),
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NULL
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)
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);
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gst_pad_set_caps (src->srcpad, caps);
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}
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gboolean
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gst_sinesrc_factory_init (GstElementFactory *factory)
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{
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src_temp = sinesrc_src_factory();
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gst_elementfactory_add_padtemplate (factory, src_temp);
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return TRUE;
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}
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@ -86,6 +86,7 @@ struct _GstSineSrcClass {
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};
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GtkType gst_sinesrc_get_type(void);
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gboolean gst_sinesrc_factory_init (GstElementFactory *factory);
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#ifdef __cplusplus
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}
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@ -54,9 +54,35 @@ enum {
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ARG_BUFFER_SIZE,
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};
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static GstPadTemplate*
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sinesrc_src_factory (void)
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{
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return
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gst_padtemplate_new (
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"src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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gst_caps_new (
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"sinesrc_src",
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"audio/raw",
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gst_props_new (
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"format", GST_PROPS_STRING ("int"),
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"law", GST_PROPS_INT (0),
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"endianness", GST_PROPS_INT (G_BYTE_ORDER),
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"signed", GST_PROPS_BOOLEAN (TRUE),
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"width", GST_PROPS_INT (16),
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"depth", GST_PROPS_INT (16),
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"rate", GST_PROPS_INT_RANGE (8000, 48000),
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"channels", GST_PROPS_INT (1),
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NULL)),
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NULL);
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}
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static GstPadTemplate *src_temp;
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static void gst_sinesrc_class_init(GstSineSrcClass *klass);
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static void gst_sinesrc_init(GstSineSrc *src);
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static GstPadNegotiateReturn gst_sinesrc_negotiate (GstPad *pad, GstCaps **caps, gpointer *data);
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static void gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id);
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static void gst_sinesrc_get_arg(GtkObject *object,GtkArg *arg,guint id);
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//static gboolean gst_sinesrc_change_state(GstElement *element,
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@ -66,7 +92,7 @@ static void gst_sinesrc_get_arg(GtkObject *object,GtkArg *arg,guint id);
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static void gst_sinesrc_populate_sinetable(GstSineSrc *src);
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static inline void gst_sinesrc_update_table_inc(GstSineSrc *src);
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static inline void gst_sinesrc_update_vol_scale(GstSineSrc *src);
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void gst_sinesrc_sync_parms(GstSineSrc *src);
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void gst_sinesrc_force_caps(GstSineSrc *src);
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static GstBuffer * gst_sinesrc_get(GstPad *pad);
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@ -122,31 +148,50 @@ gst_sinesrc_class_init(GstSineSrcClass *klass) {
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// gstelement_class->change_state = gst_sinesrc_change_state;
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}
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static void gst_sinesrc_init(GstSineSrc *src) {
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static void
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gst_sinesrc_init(GstSineSrc *src) {
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src->srcpad = gst_pad_new_from_template (src_temp, "src");
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src->srcpad = gst_pad_new("src",GST_PAD_SRC);
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gst_pad_set_get_function(src->srcpad, gst_sinesrc_get);
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gst_element_add_pad(GST_ELEMENT(src), src->srcpad);
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gst_pad_set_negotiate_function (src->srcpad, gst_sinesrc_negotiate);
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gst_pad_set_get_function(src->srcpad, gst_sinesrc_get);
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src->volume = 1.0;
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gst_sinesrc_update_vol_scale(src);
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src->format = 16;
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src->samplerate = 44100;
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src->freq = 100.0;
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src->newcaps = FALSE;
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src->freq = 440.0;
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src->newcaps = TRUE;
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src->table_pos = 0.0;
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src->table_size = 1024;
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gst_sinesrc_populate_sinetable(src);
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gst_sinesrc_update_table_inc(src);
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gst_sinesrc_sync_parms(src);
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src->buffer_size=1024;
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src->seq = 0;
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}
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static GstPadNegotiateReturn
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gst_sinesrc_negotiate (GstPad *pad, GstCaps **caps, gpointer *data)
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{
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GstSineSrc *src;
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if (*caps) {
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g_return_val_if_fail (pad != NULL, GST_PAD_NEGOTIATE_FAIL);
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src = GST_SINESRC(gst_pad_get_parent (pad));
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src->samplerate = gst_caps_get_int (*caps, "rate");
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gst_sinesrc_update_table_inc(src);
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return GST_PAD_NEGOTIATE_AGREE;
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}
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return GST_PAD_NEGOTIATE_FAIL;
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}
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static GstBuffer *
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gst_sinesrc_get(GstPad *pad)
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{
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@ -194,14 +239,14 @@ gst_sinesrc_get(GstPad *pad)
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}
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if (src->newcaps) {
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src->newcaps = FALSE;
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gst_sinesrc_force_caps(src);
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}
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//g_print(">");
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return buf;
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}
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static void gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
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static void
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gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
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GstSineSrc *src;
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/* it's not null if we got it, but it might not be ours */
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@ -217,11 +262,11 @@ static void gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
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break;
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case ARG_FORMAT:
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src->format = GTK_VALUE_INT(*arg);
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gst_sinesrc_sync_parms(src);
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src->newcaps=TRUE;
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break;
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case ARG_SAMPLERATE:
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src->samplerate = GTK_VALUE_INT(*arg);
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gst_sinesrc_sync_parms(src);
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src->newcaps=TRUE;
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gst_sinesrc_update_table_inc(src);
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break;
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case ARG_FREQ: {
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@ -244,7 +289,8 @@ static void gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
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}
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}
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static void gst_sinesrc_get_arg(GtkObject *object,GtkArg *arg,guint id) {
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static void
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gst_sinesrc_get_arg(GtkObject *object,GtkArg *arg,guint id) {
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GstSineSrc *src;
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/* it's not null if we got it, but it might not be ours */
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@ -299,7 +345,8 @@ static gboolean gst_sinesrc_change_state(GstElement *element,
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}
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*/
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static void gst_sinesrc_populate_sinetable(GstSineSrc *src)
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static void
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gst_sinesrc_populate_sinetable(GstSineSrc *src)
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{
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gint i;
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gdouble pi2scaled = M_PI * 2 / src->table_size;
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@ -313,16 +360,51 @@ static void gst_sinesrc_populate_sinetable(GstSineSrc *src)
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src->table_data = table;
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}
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static inline void gst_sinesrc_update_table_inc(GstSineSrc *src)
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static inline void
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gst_sinesrc_update_table_inc(GstSineSrc *src)
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{
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src->table_inc = src->table_size * src->freq / src->samplerate;
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}
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static inline void gst_sinesrc_update_vol_scale(GstSineSrc *src)
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static inline void
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gst_sinesrc_update_vol_scale(GstSineSrc *src)
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{
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src->vol_scale = 32767 * src->volume;
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}
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void gst_sinesrc_sync_parms(GstSineSrc *src) {
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src->newcaps = TRUE;
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void
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gst_sinesrc_force_caps(GstSineSrc *src) {
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GstCaps *caps;
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if (!src->newcaps)
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return;
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src->newcaps=FALSE;
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caps = gst_caps_new (
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"sinesrc_src_caps",
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"audio/raw",
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gst_props_new (
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"format", GST_PROPS_STRING ("int"),
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"law", GST_PROPS_INT (0),
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"endianness", GST_PROPS_INT (G_BYTE_ORDER),
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"signed", GST_PROPS_BOOLEAN (TRUE),
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"width", GST_PROPS_INT (16),
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"depth", GST_PROPS_INT (16),
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"rate", GST_PROPS_INT (src->samplerate),
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"channels", GST_PROPS_INT (1),
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NULL
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)
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);
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gst_pad_set_caps (src->srcpad, caps);
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}
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gboolean
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gst_sinesrc_factory_init (GstElementFactory *factory)
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{
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src_temp = sinesrc_src_factory();
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gst_elementfactory_add_padtemplate (factory, src_temp);
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||||
|
||||
return TRUE;
|
||||
}
|
||||
|
|
@ -86,6 +86,7 @@ struct _GstSineSrcClass {
|
|||
};
|
||||
|
||||
GtkType gst_sinesrc_get_type(void);
|
||||
gboolean gst_sinesrc_factory_init (GstElementFactory *factory);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue