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Added lots of neat stuff to fakesrc:

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Original commit message from CVS:
Added lots of neat stuff to fakesrc:
- ability to g_malloc buffer data or to use subbuffers.
- fixed/0/random sized buffers with min/max size
- fill types: none/0/random/patterns
- set the parent buffer size
- an arg for dumping the buffer contents
This commit is contained in:
Wim Taymans 2001-10-11 22:31:37 +00:00
parent 61edf2c02c
commit eac5a34bee
4 changed files with 672 additions and 42 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

306
gst/elements/gstfakesrc.c
View file

@ -21,6 +21,7 @@
*/ */
#include <stdlib.h>
#include <gstfakesrc.h> #include <gstfakesrc.h>
@ -47,10 +48,17 @@ enum {
ARG_NUM_SOURCES, ARG_NUM_SOURCES,
ARG_LOOP_BASED, ARG_LOOP_BASED,
ARG_OUTPUT, ARG_OUTPUT,
ARG_DATA,
ARG_SIZETYPE,
ARG_SIZEMIN,
ARG_SIZEMAX,
ARG_FILLTYPE,
ARG_PATTERN, ARG_PATTERN,
ARG_NUM_BUFFERS, ARG_NUM_BUFFERS,
ARG_EOS, ARG_EOS,
ARG_SILENT ARG_SILENT,
ARG_DUMP,
ARG_PARENTSIZE
}; };
GST_PADTEMPLATE_FACTORY (fakesrc_src_factory, GST_PADTEMPLATE_FACTORY (fakesrc_src_factory,
@ -82,6 +90,58 @@ gst_fakesrc_output_get_type (void)
return fakesrc_output_type; return fakesrc_output_type;
} }
#define GST_TYPE_FAKESRC_DATA (gst_fakesrc_data_get_type())
static GType
gst_fakesrc_data_get_type (void)
{
static GType fakesrc_data_type = 0;
static GEnumValue fakesrc_data[] = {
{ FAKESRC_DATA_ALLOCATE, "2", "Allocate data"},
{ FAKESRC_DATA_SUBBUFFER, "3", "Subbuffer data"},
{0, NULL, NULL},
};
if (!fakesrc_data_type) {
fakesrc_data_type = g_enum_register_static ("GstFakeSrcData", fakesrc_data);
}
return fakesrc_data_type;
}
#define GST_TYPE_FAKESRC_SIZETYPE (gst_fakesrc_sizetype_get_type())
static GType
gst_fakesrc_sizetype_get_type (void)
{
static GType fakesrc_sizetype_type = 0;
static GEnumValue fakesrc_sizetype[] = {
{ FAKESRC_SIZETYPE_NULL, "1", "Send empty buffers"},
{ FAKESRC_SIZETYPE_FIXED, "2", "Fixed size buffers (sizemax sized)"},
{ FAKESRC_SIZETYPE_RANDOM, "3", "Random sized buffers (sizemin <= size <= sizemax)"},
{0, NULL, NULL},
};
if (!fakesrc_sizetype_type) {
fakesrc_sizetype_type = g_enum_register_static ("GstFakeSrcSizeType", fakesrc_sizetype);
}
return fakesrc_sizetype_type;
}
#define GST_TYPE_FAKESRC_FILLTYPE (gst_fakesrc_filltype_get_type())
static GType
gst_fakesrc_filltype_get_type (void)
{
static GType fakesrc_filltype_type = 0;
static GEnumValue fakesrc_filltype[] = {
{ FAKESRC_FILLTYPE_NOTHING, "1", "Leave data as malloced"},
{ FAKESRC_FILLTYPE_NULL, "2", "Fill buffers with zeros"},
{ FAKESRC_FILLTYPE_RANDOM, "3", "Fill buffers with random crap"},
{ FAKESRC_FILLTYPE_PATTERN, "4", "Fill buffers with pattern 0x00 -> 0xff"},
{ FAKESRC_FILLTYPE_PATTERN_CONT, "5", "Fill buffers with pattern 0x00 -> 0xff that spans buffers"},
{0, NULL, NULL},
};
if (!fakesrc_filltype_type) {
fakesrc_filltype_type = g_enum_register_static ("GstFakeSrcFillType", fakesrc_filltype);
}
return fakesrc_filltype_type;
}
static void gst_fakesrc_class_init (GstFakeSrcClass *klass); static void gst_fakesrc_class_init (GstFakeSrcClass *klass);
static void gst_fakesrc_init (GstFakeSrc *fakesrc); static void gst_fakesrc_init (GstFakeSrc *fakesrc);
@ -138,6 +198,24 @@ gst_fakesrc_class_init (GstFakeSrcClass *klass)
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OUTPUT, g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OUTPUT,
g_param_spec_enum("output","output","output", g_param_spec_enum("output","output","output",
GST_TYPE_FAKESRC_OUTPUT,FAKESRC_FIRST_LAST_LOOP,G_PARAM_READWRITE)); // CHECKME! GST_TYPE_FAKESRC_OUTPUT,FAKESRC_FIRST_LAST_LOOP,G_PARAM_READWRITE)); // CHECKME!
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DATA,
g_param_spec_enum ("data", "data", "data",
GST_TYPE_FAKESRC_DATA, FAKESRC_DATA_ALLOCATE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIZETYPE,
g_param_spec_enum ("sizetype", "sizetype", "sizetype",
GST_TYPE_FAKESRC_SIZETYPE, FAKESRC_SIZETYPE_NULL, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIZEMIN,
g_param_spec_int ("sizemin","sizemin","sizemin",
0, G_MAXINT, 0, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIZEMAX,
g_param_spec_int ("sizemax","sizemax","sizemax",
0, G_MAXINT, 4096, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PARENTSIZE,
g_param_spec_int ("parentsize","parentsize","parentsize",
0, G_MAXINT, 4096 * 10, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FILLTYPE,
g_param_spec_enum ("filltype", "filltype", "filltype",
GST_TYPE_FAKESRC_FILLTYPE, FAKESRC_FILLTYPE_NULL, G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_PATTERN, g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_PATTERN,
g_param_spec_string("pattern","pattern","pattern", g_param_spec_string("pattern","pattern","pattern",
NULL, G_PARAM_READWRITE)); // CHECKME NULL, G_PARAM_READWRITE)); // CHECKME
@ -150,6 +228,9 @@ gst_fakesrc_class_init (GstFakeSrcClass *klass)
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SILENT, g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SILENT,
g_param_spec_boolean("silent","silent","silent", g_param_spec_boolean("silent","silent","silent",
FALSE, G_PARAM_READWRITE)); // CHECKME FALSE, G_PARAM_READWRITE)); // CHECKME
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DUMP,
g_param_spec_boolean ("dump","dump","dump",
FALSE, G_PARAM_READWRITE));
gst_fakesrc_signals[SIGNAL_HANDOFF] = gst_fakesrc_signals[SIGNAL_HANDOFF] =
g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST, g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
@ -182,7 +263,16 @@ gst_fakesrc_init (GstFakeSrc *fakesrc)
fakesrc->num_buffers = -1; fakesrc->num_buffers = -1;
fakesrc->buffer_count = 0; fakesrc->buffer_count = 0;
fakesrc->silent = FALSE; fakesrc->silent = FALSE;
fakesrc->dump = FALSE;
fakesrc->pattern_byte = 0x00;
fakesrc->need_flush = FALSE; fakesrc->need_flush = FALSE;
fakesrc->data = FAKESRC_DATA_ALLOCATE;
fakesrc->sizetype = FAKESRC_SIZETYPE_NULL;
fakesrc->filltype = FAKESRC_FILLTYPE_NOTHING;
fakesrc->sizemin = 0;
fakesrc->sizemax = 4096;
fakesrc->parent = NULL;
fakesrc->parentsize = 4096 * 10;
} }
static GstPad* static GstPad*
@ -236,6 +326,8 @@ gst_fakesrc_event_handler (GstPad *pad, GstEvent *event)
g_print("fakesrc: have unhandled event\n"); g_print("fakesrc: have unhandled event\n");
break; break;
} }
return TRUE;
} }
static void static void
@ -266,6 +358,19 @@ gst_fakesrc_update_functions (GstFakeSrc *src)
} }
} }
static void
gst_fakesrc_alloc_parent (GstFakeSrc *src)
{
GstBuffer *buf;
buf = gst_buffer_new ();
GST_BUFFER_DATA (buf) = g_malloc (src->parentsize);
GST_BUFFER_SIZE (buf) = src->parentsize;
src->parent = buf;
src->parentoffset = 0;
}
static void static void
gst_fakesrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) gst_fakesrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{ {
@ -281,6 +386,35 @@ gst_fakesrc_set_property (GObject *object, guint prop_id, const GValue *value, G
break; break;
case ARG_OUTPUT: case ARG_OUTPUT:
break; break;
case ARG_DATA:
src->data = g_value_get_int (value);
switch (src->data) {
case FAKESRC_DATA_ALLOCATE:
gst_buffer_unref (src->parent);
src->parent = NULL;
break;
case FAKESRC_DATA_SUBBUFFER:
if (!src->parent)
gst_fakesrc_alloc_parent (src);
default:
break;
}
break;
case ARG_SIZETYPE:
src->sizetype = g_value_get_int (value);
break;
case ARG_SIZEMIN:
src->sizemin = g_value_get_int (value);
break;
case ARG_SIZEMAX:
src->sizemax = g_value_get_int (value);
break;
case ARG_PARENTSIZE:
src->parentsize = g_value_get_int (value);
break;
case ARG_FILLTYPE:
src->filltype = g_value_get_int (value);
break;
case ARG_PATTERN: case ARG_PATTERN:
break; break;
case ARG_NUM_BUFFERS: case ARG_NUM_BUFFERS:
@ -293,6 +427,9 @@ GST_INFO (0, "will EOS on next buffer");
case ARG_SILENT: case ARG_SILENT:
src->silent = g_value_get_boolean (value); src->silent = g_value_get_boolean (value);
break; break;
case ARG_DUMP:
src->dump = g_value_get_boolean (value);
break;
default: default:
break; break;
} }
@ -318,6 +455,24 @@ gst_fakesrc_get_property (GObject *object, guint prop_id, GValue *value, GParamS
case ARG_OUTPUT: case ARG_OUTPUT:
g_value_set_int (value, src->output); g_value_set_int (value, src->output);
break; break;
case ARG_DATA:
g_value_set_int (value, src->data);
break;
case ARG_SIZETYPE:
g_value_set_int (value, src->sizetype);
break;
case ARG_SIZEMIN:
g_value_set_int (value, src->sizemin);
break;
case ARG_SIZEMAX:
g_value_set_int (value, src->sizemax);
break;
case ARG_PARENTSIZE:
g_value_set_int (value, src->parentsize);
break;
case ARG_FILLTYPE:
g_value_set_int (value, src->filltype);
break;
case ARG_PATTERN: case ARG_PATTERN:
g_value_set_string (value, src->pattern); g_value_set_string (value, src->pattern);
break; break;
@ -330,21 +485,150 @@ gst_fakesrc_get_property (GObject *object, guint prop_id, GValue *value, GParamS
case ARG_SILENT: case ARG_SILENT:
g_value_set_boolean (value, src->silent); g_value_set_boolean (value, src->silent);
break; break;
case ARG_DUMP:
g_value_set_boolean (value, src->dump);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
} }
} }
static void
gst_fakesrc_prepare_buffer (GstFakeSrc *src, GstBuffer *buf)
{
if (GST_BUFFER_SIZE (buf) == 0)
return;
switch (src->filltype) {
case FAKESRC_FILLTYPE_NULL:
memset (GST_BUFFER_DATA (buf), 0, GST_BUFFER_SIZE (buf));
break;
case FAKESRC_FILLTYPE_RANDOM:
{
gint i;
guint8 *ptr = GST_BUFFER_DATA (buf);
for (i = GST_BUFFER_SIZE (buf); i; i--) {
*ptr++ = (gint8)((255.0)*rand()/(RAND_MAX));
}
break;
}
case FAKESRC_FILLTYPE_PATTERN:
src->pattern_byte = 0x00;
case FAKESRC_FILLTYPE_PATTERN_CONT:
{
gint i;
guint8 *ptr = GST_BUFFER_DATA (buf);
for (i = GST_BUFFER_SIZE (buf); i; i--) {
*ptr++ = src->pattern_byte++;
}
break;
}
case FAKESRC_FILLTYPE_NOTHING:
default:
break;
}
}
static GstBuffer*
gst_fakesrc_alloc_buffer (GstFakeSrc *src, guint size)
{
GstBuffer *buf;
buf = gst_buffer_new ();
GST_BUFFER_SIZE(buf) = size;
if (size != 0) {
switch (src->filltype) {
case FAKESRC_FILLTYPE_NOTHING:
GST_BUFFER_DATA(buf) = g_malloc (size);
break;
case FAKESRC_FILLTYPE_NULL:
GST_BUFFER_DATA(buf) = g_malloc0 (size);
break;
case FAKESRC_FILLTYPE_RANDOM:
case FAKESRC_FILLTYPE_PATTERN:
case FAKESRC_FILLTYPE_PATTERN_CONT:
default:
GST_BUFFER_DATA(buf) = g_malloc (size);
gst_fakesrc_prepare_buffer (src, buf);
break;
}
}
return buf;
}
static guint
gst_fakesrc_get_size (GstFakeSrc *src)
{
guint size;
switch (src->sizetype) {
case FAKESRC_SIZETYPE_FIXED:
size = src->sizemax;
break;
case FAKESRC_SIZETYPE_RANDOM:
size = src->sizemin + (guint8)(((gfloat)src->sizemax)*rand()/(RAND_MAX + (gfloat)src->sizemin));
break;
case FAKESRC_SIZETYPE_NULL:
default:
size = 0;
break;
}
return size;
}
static GstBuffer *
gst_fakesrc_create_buffer (GstFakeSrc *src)
{
GstBuffer *buf;
guint size;
gboolean dump = src->dump;
size = gst_fakesrc_get_size (src);
if (size == 0)
return gst_buffer_new();
switch (src->data) {
case FAKESRC_DATA_ALLOCATE:
buf = gst_fakesrc_alloc_buffer (src, size);
break;
case FAKESRC_DATA_SUBBUFFER:
// see if we have a parent to subbuffer
if (!src->parent) {
gst_fakesrc_alloc_parent (src);
g_assert (src->parent);
}
// see if it's large enough
if ((GST_BUFFER_SIZE (src->parent) - src->parentoffset) >= size) {
buf = gst_buffer_create_sub (src->parent, src->parentoffset, size);
src->parentoffset += size;
}
else {
// the parent is useless now
gst_buffer_unref (src->parent);
src->parent = NULL;
// try again (this will allocate a new parent)
return gst_fakesrc_create_buffer (src);
}
gst_fakesrc_prepare_buffer (src, buf);
break;
default:
g_warning ("fakesrc: dunno how to allocate buffers !");
buf = gst_buffer_new();
break;
}
if (dump) {
gst_util_dump_mem (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
}
return buf;
}
/**
* gst_fakesrc_get:
* @src: the faksesrc to get
*
* generate an empty buffer and return it
*
* Returns: a new empty buffer
*/
static GstBuffer * static GstBuffer *
gst_fakesrc_get(GstPad *pad) gst_fakesrc_get(GstPad *pad)
{ {
@ -379,7 +663,7 @@ gst_fakesrc_get(GstPad *pad)
return GST_BUFFER(gst_event_new (GST_EVENT_EOS)); return GST_BUFFER(gst_event_new (GST_EVENT_EOS));
} }
buf = gst_buffer_new(); buf = gst_fakesrc_create_buffer (src);
GST_BUFFER_TIMESTAMP (buf) = src->buffer_count++; GST_BUFFER_TIMESTAMP (buf) = src->buffer_count++;
if (!src->silent) if (!src->silent)
@ -431,7 +715,7 @@ gst_fakesrc_loop(GstElement *element)
return; return;
} }
buf = gst_buffer_new(); buf = gst_fakesrc_create_buffer (src);
GST_BUFFER_TIMESTAMP (buf) = src->buffer_count++; GST_BUFFER_TIMESTAMP (buf) = src->buffer_count++;
if (!src->silent) if (!src->silent)

51
gst/elements/gstfakesrc.h
View file

@ -47,6 +47,25 @@ typedef enum {
FAKESRC_GET_ALWAYS_SUCEEDS, FAKESRC_GET_ALWAYS_SUCEEDS,
} GstFakeSrcOutputType; } GstFakeSrcOutputType;
typedef enum {
FAKESRC_DATA_ALLOCATE = 1,
FAKESRC_DATA_SUBBUFFER,
} GstFakeSrcDataType;
typedef enum {
FAKESRC_SIZETYPE_NULL = 1,
FAKESRC_SIZETYPE_FIXED,
FAKESRC_SIZETYPE_RANDOM
} GstFakeSrcSizeType;
typedef enum {
FAKESRC_FILLTYPE_NOTHING = 1,
FAKESRC_FILLTYPE_NULL,
FAKESRC_FILLTYPE_RANDOM,
FAKESRC_FILLTYPE_PATTERN,
FAKESRC_FILLTYPE_PATTERN_CONT
} GstFakeSrcFillType;
#define GST_TYPE_FAKESRC \ #define GST_TYPE_FAKESRC \
(gst_fakesrc_get_type()) (gst_fakesrc_get_type())
#define GST_FAKESRC(obj) \ #define GST_FAKESRC(obj) \
@ -64,17 +83,29 @@ typedef struct _GstFakeSrcClass GstFakeSrcClass;
struct _GstFakeSrc { struct _GstFakeSrc {
GstElement element; GstElement element;
gboolean loop_based; gboolean loop_based;
gboolean eos; gboolean eos;
gint numsrcpads; gint numsrcpads;
GSList *srcpads; GSList *srcpads;
GstFakeSrcOutputType output; GstFakeSrcOutputType output;
gchar *pattern; GstFakeSrcDataType data;
GList *patternlist; GstFakeSrcSizeType sizetype;
gint num_buffers; GstFakeSrcFillType filltype;
guint64 buffer_count;
gboolean silent; guint sizemin;
gboolean need_flush; guint sizemax;
GstBuffer *parent;
guint parentsize;
guint parentoffset;
guint8 pattern_byte;
gchar *pattern;
GList *patternlist;
gint num_buffers;
guint64 buffer_count;
gboolean silent;
gboolean dump;
gboolean need_flush;
}; };
struct _GstFakeSrcClass { struct _GstFakeSrcClass {

306
plugins/elements/gstfakesrc.c
View file

@ -21,6 +21,7 @@
*/ */
#include <stdlib.h>
#include <gstfakesrc.h> #include <gstfakesrc.h>
@ -47,10 +48,17 @@ enum {
ARG_NUM_SOURCES, ARG_NUM_SOURCES,
ARG_LOOP_BASED, ARG_LOOP_BASED,
ARG_OUTPUT, ARG_OUTPUT,
ARG_DATA,
ARG_SIZETYPE,
ARG_SIZEMIN,
ARG_SIZEMAX,
ARG_FILLTYPE,
ARG_PATTERN, ARG_PATTERN,
ARG_NUM_BUFFERS, ARG_NUM_BUFFERS,
ARG_EOS, ARG_EOS,
ARG_SILENT ARG_SILENT,
ARG_DUMP,
ARG_PARENTSIZE
}; };
GST_PADTEMPLATE_FACTORY (fakesrc_src_factory, GST_PADTEMPLATE_FACTORY (fakesrc_src_factory,
@ -82,6 +90,58 @@ gst_fakesrc_output_get_type (void)
return fakesrc_output_type; return fakesrc_output_type;
} }
#define GST_TYPE_FAKESRC_DATA (gst_fakesrc_data_get_type())
static GType
gst_fakesrc_data_get_type (void)
{
static GType fakesrc_data_type = 0;
static GEnumValue fakesrc_data[] = {
{ FAKESRC_DATA_ALLOCATE, "2", "Allocate data"},
{ FAKESRC_DATA_SUBBUFFER, "3", "Subbuffer data"},
{0, NULL, NULL},
};
if (!fakesrc_data_type) {
fakesrc_data_type = g_enum_register_static ("GstFakeSrcData", fakesrc_data);
}
return fakesrc_data_type;
}
#define GST_TYPE_FAKESRC_SIZETYPE (gst_fakesrc_sizetype_get_type())
static GType
gst_fakesrc_sizetype_get_type (void)
{
static GType fakesrc_sizetype_type = 0;
static GEnumValue fakesrc_sizetype[] = {
{ FAKESRC_SIZETYPE_NULL, "1", "Send empty buffers"},
{ FAKESRC_SIZETYPE_FIXED, "2", "Fixed size buffers (sizemax sized)"},
{ FAKESRC_SIZETYPE_RANDOM, "3", "Random sized buffers (sizemin <= size <= sizemax)"},
{0, NULL, NULL},
};
if (!fakesrc_sizetype_type) {
fakesrc_sizetype_type = g_enum_register_static ("GstFakeSrcSizeType", fakesrc_sizetype);
}
return fakesrc_sizetype_type;
}
#define GST_TYPE_FAKESRC_FILLTYPE (gst_fakesrc_filltype_get_type())
static GType
gst_fakesrc_filltype_get_type (void)
{
static GType fakesrc_filltype_type = 0;
static GEnumValue fakesrc_filltype[] = {
{ FAKESRC_FILLTYPE_NOTHING, "1", "Leave data as malloced"},
{ FAKESRC_FILLTYPE_NULL, "2", "Fill buffers with zeros"},
{ FAKESRC_FILLTYPE_RANDOM, "3", "Fill buffers with random crap"},
{ FAKESRC_FILLTYPE_PATTERN, "4", "Fill buffers with pattern 0x00 -> 0xff"},
{ FAKESRC_FILLTYPE_PATTERN_CONT, "5", "Fill buffers with pattern 0x00 -> 0xff that spans buffers"},
{0, NULL, NULL},
};
if (!fakesrc_filltype_type) {
fakesrc_filltype_type = g_enum_register_static ("GstFakeSrcFillType", fakesrc_filltype);
}
return fakesrc_filltype_type;
}
static void gst_fakesrc_class_init (GstFakeSrcClass *klass); static void gst_fakesrc_class_init (GstFakeSrcClass *klass);
static void gst_fakesrc_init (GstFakeSrc *fakesrc); static void gst_fakesrc_init (GstFakeSrc *fakesrc);
@ -138,6 +198,24 @@ gst_fakesrc_class_init (GstFakeSrcClass *klass)
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OUTPUT, g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OUTPUT,
g_param_spec_enum("output","output","output", g_param_spec_enum("output","output","output",
GST_TYPE_FAKESRC_OUTPUT,FAKESRC_FIRST_LAST_LOOP,G_PARAM_READWRITE)); // CHECKME! GST_TYPE_FAKESRC_OUTPUT,FAKESRC_FIRST_LAST_LOOP,G_PARAM_READWRITE)); // CHECKME!
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DATA,
g_param_spec_enum ("data", "data", "data",
GST_TYPE_FAKESRC_DATA, FAKESRC_DATA_ALLOCATE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIZETYPE,
g_param_spec_enum ("sizetype", "sizetype", "sizetype",
GST_TYPE_FAKESRC_SIZETYPE, FAKESRC_SIZETYPE_NULL, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIZEMIN,
g_param_spec_int ("sizemin","sizemin","sizemin",
0, G_MAXINT, 0, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIZEMAX,
g_param_spec_int ("sizemax","sizemax","sizemax",
0, G_MAXINT, 4096, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PARENTSIZE,
g_param_spec_int ("parentsize","parentsize","parentsize",
0, G_MAXINT, 4096 * 10, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FILLTYPE,
g_param_spec_enum ("filltype", "filltype", "filltype",
GST_TYPE_FAKESRC_FILLTYPE, FAKESRC_FILLTYPE_NULL, G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_PATTERN, g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_PATTERN,
g_param_spec_string("pattern","pattern","pattern", g_param_spec_string("pattern","pattern","pattern",
NULL, G_PARAM_READWRITE)); // CHECKME NULL, G_PARAM_READWRITE)); // CHECKME
@ -150,6 +228,9 @@ gst_fakesrc_class_init (GstFakeSrcClass *klass)
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SILENT, g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SILENT,
g_param_spec_boolean("silent","silent","silent", g_param_spec_boolean("silent","silent","silent",
FALSE, G_PARAM_READWRITE)); // CHECKME FALSE, G_PARAM_READWRITE)); // CHECKME
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DUMP,
g_param_spec_boolean ("dump","dump","dump",
FALSE, G_PARAM_READWRITE));
gst_fakesrc_signals[SIGNAL_HANDOFF] = gst_fakesrc_signals[SIGNAL_HANDOFF] =
g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST, g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
@ -182,7 +263,16 @@ gst_fakesrc_init (GstFakeSrc *fakesrc)
fakesrc->num_buffers = -1; fakesrc->num_buffers = -1;
fakesrc->buffer_count = 0; fakesrc->buffer_count = 0;
fakesrc->silent = FALSE; fakesrc->silent = FALSE;
fakesrc->dump = FALSE;
fakesrc->pattern_byte = 0x00;
fakesrc->need_flush = FALSE; fakesrc->need_flush = FALSE;
fakesrc->data = FAKESRC_DATA_ALLOCATE;
fakesrc->sizetype = FAKESRC_SIZETYPE_NULL;
fakesrc->filltype = FAKESRC_FILLTYPE_NOTHING;
fakesrc->sizemin = 0;
fakesrc->sizemax = 4096;
fakesrc->parent = NULL;
fakesrc->parentsize = 4096 * 10;
} }
static GstPad* static GstPad*
@ -236,6 +326,8 @@ gst_fakesrc_event_handler (GstPad *pad, GstEvent *event)
g_print("fakesrc: have unhandled event\n"); g_print("fakesrc: have unhandled event\n");
break; break;
} }
return TRUE;
} }
static void static void
@ -266,6 +358,19 @@ gst_fakesrc_update_functions (GstFakeSrc *src)
} }
} }
static void
gst_fakesrc_alloc_parent (GstFakeSrc *src)
{
GstBuffer *buf;
buf = gst_buffer_new ();
GST_BUFFER_DATA (buf) = g_malloc (src->parentsize);
GST_BUFFER_SIZE (buf) = src->parentsize;
src->parent = buf;
src->parentoffset = 0;
}
static void static void
gst_fakesrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) gst_fakesrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{ {
@ -281,6 +386,35 @@ gst_fakesrc_set_property (GObject *object, guint prop_id, const GValue *value, G
break; break;
case ARG_OUTPUT: case ARG_OUTPUT:
break; break;
case ARG_DATA:
src->data = g_value_get_int (value);
switch (src->data) {
case FAKESRC_DATA_ALLOCATE:
gst_buffer_unref (src->parent);
src->parent = NULL;
break;
case FAKESRC_DATA_SUBBUFFER:
if (!src->parent)
gst_fakesrc_alloc_parent (src);
default:
break;
}
break;
case ARG_SIZETYPE:
src->sizetype = g_value_get_int (value);
break;
case ARG_SIZEMIN:
src->sizemin = g_value_get_int (value);
break;
case ARG_SIZEMAX:
src->sizemax = g_value_get_int (value);
break;
case ARG_PARENTSIZE:
src->parentsize = g_value_get_int (value);
break;
case ARG_FILLTYPE:
src->filltype = g_value_get_int (value);
break;
case ARG_PATTERN: case ARG_PATTERN:
break; break;
case ARG_NUM_BUFFERS: case ARG_NUM_BUFFERS:
@ -293,6 +427,9 @@ GST_INFO (0, "will EOS on next buffer");
case ARG_SILENT: case ARG_SILENT:
src->silent = g_value_get_boolean (value); src->silent = g_value_get_boolean (value);
break; break;
case ARG_DUMP:
src->dump = g_value_get_boolean (value);
break;
default: default:
break; break;
} }
@ -318,6 +455,24 @@ gst_fakesrc_get_property (GObject *object, guint prop_id, GValue *value, GParamS
case ARG_OUTPUT: case ARG_OUTPUT:
g_value_set_int (value, src->output); g_value_set_int (value, src->output);
break; break;
case ARG_DATA:
g_value_set_int (value, src->data);
break;
case ARG_SIZETYPE:
g_value_set_int (value, src->sizetype);
break;
case ARG_SIZEMIN:
g_value_set_int (value, src->sizemin);
break;
case ARG_SIZEMAX:
g_value_set_int (value, src->sizemax);
break;
case ARG_PARENTSIZE:
g_value_set_int (value, src->parentsize);
break;
case ARG_FILLTYPE:
g_value_set_int (value, src->filltype);
break;
case ARG_PATTERN: case ARG_PATTERN:
g_value_set_string (value, src->pattern); g_value_set_string (value, src->pattern);
break; break;
@ -330,21 +485,150 @@ gst_fakesrc_get_property (GObject *object, guint prop_id, GValue *value, GParamS
case ARG_SILENT: case ARG_SILENT:
g_value_set_boolean (value, src->silent); g_value_set_boolean (value, src->silent);
break; break;
case ARG_DUMP:
g_value_set_boolean (value, src->dump);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
} }
} }
static void
gst_fakesrc_prepare_buffer (GstFakeSrc *src, GstBuffer *buf)
{
if (GST_BUFFER_SIZE (buf) == 0)
return;
switch (src->filltype) {
case FAKESRC_FILLTYPE_NULL:
memset (GST_BUFFER_DATA (buf), 0, GST_BUFFER_SIZE (buf));
break;
case FAKESRC_FILLTYPE_RANDOM:
{
gint i;
guint8 *ptr = GST_BUFFER_DATA (buf);
for (i = GST_BUFFER_SIZE (buf); i; i--) {
*ptr++ = (gint8)((255.0)*rand()/(RAND_MAX));
}
break;
}
case FAKESRC_FILLTYPE_PATTERN:
src->pattern_byte = 0x00;
case FAKESRC_FILLTYPE_PATTERN_CONT:
{
gint i;
guint8 *ptr = GST_BUFFER_DATA (buf);
for (i = GST_BUFFER_SIZE (buf); i; i--) {
*ptr++ = src->pattern_byte++;
}
break;
}
case FAKESRC_FILLTYPE_NOTHING:
default:
break;
}
}
static GstBuffer*
gst_fakesrc_alloc_buffer (GstFakeSrc *src, guint size)
{
GstBuffer *buf;
buf = gst_buffer_new ();
GST_BUFFER_SIZE(buf) = size;
if (size != 0) {
switch (src->filltype) {
case FAKESRC_FILLTYPE_NOTHING:
GST_BUFFER_DATA(buf) = g_malloc (size);
break;
case FAKESRC_FILLTYPE_NULL:
GST_BUFFER_DATA(buf) = g_malloc0 (size);
break;
case FAKESRC_FILLTYPE_RANDOM:
case FAKESRC_FILLTYPE_PATTERN:
case FAKESRC_FILLTYPE_PATTERN_CONT:
default:
GST_BUFFER_DATA(buf) = g_malloc (size);
gst_fakesrc_prepare_buffer (src, buf);
break;
}
}
return buf;
}
static guint
gst_fakesrc_get_size (GstFakeSrc *src)
{
guint size;
switch (src->sizetype) {
case FAKESRC_SIZETYPE_FIXED:
size = src->sizemax;
break;
case FAKESRC_SIZETYPE_RANDOM:
size = src->sizemin + (guint8)(((gfloat)src->sizemax)*rand()/(RAND_MAX + (gfloat)src->sizemin));
break;
case FAKESRC_SIZETYPE_NULL:
default:
size = 0;
break;
}
return size;
}
static GstBuffer *
gst_fakesrc_create_buffer (GstFakeSrc *src)
{
GstBuffer *buf;
guint size;
gboolean dump = src->dump;
size = gst_fakesrc_get_size (src);
if (size == 0)
return gst_buffer_new();
switch (src->data) {
case FAKESRC_DATA_ALLOCATE:
buf = gst_fakesrc_alloc_buffer (src, size);
break;
case FAKESRC_DATA_SUBBUFFER:
// see if we have a parent to subbuffer
if (!src->parent) {
gst_fakesrc_alloc_parent (src);
g_assert (src->parent);
}
// see if it's large enough
if ((GST_BUFFER_SIZE (src->parent) - src->parentoffset) >= size) {
buf = gst_buffer_create_sub (src->parent, src->parentoffset, size);
src->parentoffset += size;
}
else {
// the parent is useless now
gst_buffer_unref (src->parent);
src->parent = NULL;
// try again (this will allocate a new parent)
return gst_fakesrc_create_buffer (src);
}
gst_fakesrc_prepare_buffer (src, buf);
break;
default:
g_warning ("fakesrc: dunno how to allocate buffers !");
buf = gst_buffer_new();
break;
}
if (dump) {
gst_util_dump_mem (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
}
return buf;
}
/**
* gst_fakesrc_get:
* @src: the faksesrc to get
*
* generate an empty buffer and return it
*
* Returns: a new empty buffer
*/
static GstBuffer * static GstBuffer *
gst_fakesrc_get(GstPad *pad) gst_fakesrc_get(GstPad *pad)
{ {
@ -379,7 +663,7 @@ gst_fakesrc_get(GstPad *pad)
return GST_BUFFER(gst_event_new (GST_EVENT_EOS)); return GST_BUFFER(gst_event_new (GST_EVENT_EOS));
} }
buf = gst_buffer_new(); buf = gst_fakesrc_create_buffer (src);
GST_BUFFER_TIMESTAMP (buf) = src->buffer_count++; GST_BUFFER_TIMESTAMP (buf) = src->buffer_count++;
if (!src->silent) if (!src->silent)
@ -431,7 +715,7 @@ gst_fakesrc_loop(GstElement *element)
return; return;
} }
buf = gst_buffer_new(); buf = gst_fakesrc_create_buffer (src);
GST_BUFFER_TIMESTAMP (buf) = src->buffer_count++; GST_BUFFER_TIMESTAMP (buf) = src->buffer_count++;
if (!src->silent) if (!src->silent)

51
plugins/elements/gstfakesrc.h
View file

@ -47,6 +47,25 @@ typedef enum {
FAKESRC_GET_ALWAYS_SUCEEDS, FAKESRC_GET_ALWAYS_SUCEEDS,
} GstFakeSrcOutputType; } GstFakeSrcOutputType;
typedef enum {
FAKESRC_DATA_ALLOCATE = 1,
FAKESRC_DATA_SUBBUFFER,
} GstFakeSrcDataType;
typedef enum {
FAKESRC_SIZETYPE_NULL = 1,
FAKESRC_SIZETYPE_FIXED,
FAKESRC_SIZETYPE_RANDOM
} GstFakeSrcSizeType;
typedef enum {
FAKESRC_FILLTYPE_NOTHING = 1,
FAKESRC_FILLTYPE_NULL,
FAKESRC_FILLTYPE_RANDOM,
FAKESRC_FILLTYPE_PATTERN,
FAKESRC_FILLTYPE_PATTERN_CONT
} GstFakeSrcFillType;
#define GST_TYPE_FAKESRC \ #define GST_TYPE_FAKESRC \
(gst_fakesrc_get_type()) (gst_fakesrc_get_type())
#define GST_FAKESRC(obj) \ #define GST_FAKESRC(obj) \
@ -64,17 +83,29 @@ typedef struct _GstFakeSrcClass GstFakeSrcClass;
struct _GstFakeSrc { struct _GstFakeSrc {
GstElement element; GstElement element;
gboolean loop_based; gboolean loop_based;
gboolean eos; gboolean eos;
gint numsrcpads; gint numsrcpads;
GSList *srcpads; GSList *srcpads;
GstFakeSrcOutputType output; GstFakeSrcOutputType output;
gchar *pattern; GstFakeSrcDataType data;
GList *patternlist; GstFakeSrcSizeType sizetype;
gint num_buffers; GstFakeSrcFillType filltype;
guint64 buffer_count;
gboolean silent; guint sizemin;
gboolean need_flush; guint sizemax;
GstBuffer *parent;
guint parentsize;
guint parentoffset;
guint8 pattern_byte;
gchar *pattern;
GList *patternlist;
gint num_buffers;
guint64 buffer_count;
gboolean silent;
gboolean dump;
gboolean need_flush;
}; };
struct _GstFakeSrcClass { struct _GstFakeSrcClass {