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Allow multiple files to be created with disksink and integrate a new event for that

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Original commit message from CVS:
Allow multiple files to be created with disksink and integrate a new event for that
This commit is contained in:
Ronald S. Bultje 2002-01-31 15:38:04 +00:00
parent 6d51610ac4
commit 6db16f9677
5 changed files with 277 additions and 10 deletions
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138
gst/elements/gstdisksink.c
View file

@ -22,8 +22,9 @@
#include <gst/gst.h>
#include <errno.h>
#include "gstdisksink.h"
#include <string.h>
GstElementDetails gst_disksink_details = {
"Disk Sink",
@ -45,6 +46,7 @@ enum {
enum {
ARG_0,
ARG_LOCATION,
ARG_MAXFILESIZE,
};
@ -59,6 +61,7 @@ static void gst_disksink_get_property (GObject *object, guint prop_id,
static gboolean gst_disksink_open_file (GstDiskSink *sink);
static void gst_disksink_close_file (GstDiskSink *sink);
static gboolean gst_disksink_handle_event (GstPad *pad, GstEvent *event);
static void gst_disksink_chain (GstPad *pad,GstBuffer *buf);
static GstElementStateReturn gst_disksink_change_state (GstElement *element);
@ -103,6 +106,10 @@ gst_disksink_class_init (GstDiskSinkClass *klass)
"location", ARG_LOCATION, G_PARAM_READWRITE,
NULL);
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MAXFILESIZE,
g_param_spec_int("maxfilesize","MaxFileSize","Maximum Size Per File",
G_MININT,G_MAXINT,0,G_PARAM_READWRITE));
gst_disksink_signals[SIGNAL_HANDOFF] =
g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstDiskSinkClass, handoff), NULL, NULL,
@ -118,12 +125,38 @@ static void
gst_disksink_init (GstDiskSink *disksink)
{
GstPad *pad;
pad = gst_pad_new ("sink", GST_PAD_SINK);
gst_element_add_pad (GST_ELEMENT (disksink), pad);
gst_pad_set_chain_function (pad, gst_disksink_chain);
GST_FLAG_SET (GST_ELEMENT(disksink), GST_ELEMENT_EVENT_AWARE);
gst_pad_set_event_function(pad, gst_disksink_handle_event);
disksink->filename = NULL;
disksink->file = NULL;
disksink->filenum = 0;
disksink->maxfilesize = -1;
}
static char *
gst_disksink_getcurrentfilename (GstDiskSink *disksink)
{
g_return_val_if_fail(disksink != NULL, NULL);
g_return_val_if_fail(GST_IS_DISKSINK(disksink), NULL);
g_return_val_if_fail(disksink->filename != NULL, NULL);
g_return_val_if_fail(disksink->filenum >= 0, NULL);
if (!strstr(disksink->filename, "%"))
{
if (!disksink->filenum)
return g_strdup(disksink->filename);
else
return NULL;
}
return g_strdup_printf(disksink->filename, disksink->filenum);
}
static void
@ -149,6 +182,9 @@ gst_disksink_set_property (GObject *object, guint prop_id, const GValue *value,
gst_disksink_open_file (sink);
}
break;
case ARG_MAXFILESIZE:
sink->maxfilesize = g_value_get_int(value);
break;
default:
break;
@ -167,7 +203,10 @@ gst_disksink_get_property (GObject *object, guint prop_id, GValue *value, GParam
switch (prop_id) {
case ARG_LOCATION:
g_value_set_string (value, sink->filename);
g_value_set_string (value, gst_disksink_getcurrentfilename(sink));
break;
case ARG_MAXFILESIZE:
g_value_set_int (value, sink->maxfilesize);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -181,15 +220,23 @@ gst_disksink_open_file (GstDiskSink *sink)
g_return_val_if_fail (!GST_FLAG_IS_SET (sink, GST_DISKSINK_OPEN), FALSE);
/* open the file */
sink->file = fopen (sink->filename, "w");
if (!gst_disksink_getcurrentfilename(sink))
{
gst_element_error(GST_ELEMENT(sink), "Out of files");
return FALSE;
}
sink->file = fopen (gst_disksink_getcurrentfilename(sink), "w");
if (sink->file == NULL) {
perror ("open");
gst_element_error (GST_ELEMENT (sink), g_strconcat("opening file \"", sink->filename, "\"", NULL));
gst_element_error (GST_ELEMENT (sink), g_strconcat("Error opening file \"",
gst_disksink_getcurrentfilename(sink), "\": ", sys_errlist[errno], NULL));
return FALSE;
}
GST_FLAG_SET (sink, GST_DISKSINK_OPEN);
sink->data_written = 0;
return TRUE;
}
@ -201,13 +248,69 @@ gst_disksink_close_file (GstDiskSink *sink)
if (fclose (sink->file) != 0)
{
perror ("close");
gst_element_error (GST_ELEMENT (sink), g_strconcat("closing file \"", sink->filename, "\"", NULL));
gst_element_error (GST_ELEMENT (sink), g_strconcat("Error closing file \"",
gst_disksink_getcurrentfilename(sink), "\": ", sys_errlist[errno], NULL));
}
else {
GST_FLAG_UNSET (sink, GST_DISKSINK_OPEN);
}
}
/* handle events (search) */
static gboolean
gst_disksink_handle_event (GstPad *pad, GstEvent *event)
{
GstEventType type;
GstDiskSink *disksink;
disksink = GST_DISKSINK (gst_pad_get_parent (pad));
type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
switch (type) {
case GST_EVENT_SEEK:
/* we need to seek */
if (GST_EVENT_SEEK_FLUSH(event))
if (fflush(disksink->file))
gst_element_error(GST_ELEMENT(disksink),
"Error flushing the buffer cache of file \'%s\' to disk: %s",
gst_disksink_getcurrentfilename(disksink), sys_errlist[errno]);
switch (GST_EVENT_SEEK_TYPE(event))
{
case GST_SEEK_BYTEOFFSET_SET:
fseek(disksink->file, GST_EVENT_SEEK_OFFSET(event), SEEK_SET);
break;
case GST_SEEK_BYTEOFFSET_CUR:
fseek(disksink->file, GST_EVENT_SEEK_OFFSET(event), SEEK_CUR);
break;
case GST_SEEK_BYTEOFFSET_END:
fseek(disksink->file, GST_EVENT_SEEK_OFFSET(event), SEEK_END);
break;
default:
g_warning("Any other then byte-offset seeking is not supported!\n");
break;
}
break;
case GST_EVENT_NEW_MEDIA:
/* we need to open a new file! */
gst_disksink_close_file(disksink);
disksink->filenum++;
if (!gst_disksink_open_file(disksink)) return FALSE;
break;
case GST_EVENT_FLUSH:
if (fflush(disksink->file))
gst_element_error(GST_ELEMENT(disksink),
"Error flushing the buffer cache of file \'%s\' to disk: %s",
gst_disksink_getcurrentfilename(disksink), sys_errlist[errno]);
break;
default:
g_warning("Unhandled event %d\n", type);
break;
}
return TRUE;
}
/**
* gst_disksink_chain:
* @pad: the pad this disksink is connected to
@ -227,6 +330,30 @@ gst_disksink_chain (GstPad *pad, GstBuffer *buf)
disksink = GST_DISKSINK (gst_pad_get_parent (pad));
if (GST_IS_EVENT(buf))
{
gst_disksink_handle_event(pad, GST_EVENT(buf));
return;
}
if (disksink->maxfilesize > 0)
{
if ((disksink->data_written + GST_BUFFER_SIZE(buf))/(1024*1024) > disksink->maxfilesize)
{
GstEvent *event;
event = gst_event_new(GST_EVENT_NEW_MEDIA);
gst_pad_send_event(pad, event);
/* if the event wasn't handled, we probably need to open a new file ourselves */
if (disksink->data_written)
{
gst_disksink_close_file(disksink);
disksink->filenum++;
if (!gst_disksink_open_file(disksink)) return;
}
}
}
if (GST_FLAG_IS_SET (disksink, GST_DISKSINK_OPEN))
{
bytes_written = fwrite (GST_BUFFER_DATA (buf), 1, GST_BUFFER_SIZE (buf), disksink->file);
@ -236,6 +363,7 @@ gst_disksink_chain (GstPad *pad, GstBuffer *buf)
GST_BUFFER_SIZE (buf), bytes_written);
}
}
disksink->data_written += GST_BUFFER_SIZE(buf);
gst_buffer_unref (buf);
g_signal_emit (G_OBJECT (disksink), gst_disksink_signals[SIGNAL_HANDOFF], 0,

5
gst/elements/gstdisksink.h
View file

@ -62,6 +62,11 @@ struct _GstDiskSink {
gchar *filename;
FILE *file;
gint filenum;
guint64 data_written;
gint maxfilesize;
};
struct _GstDiskSinkClass {

1
gst/gstevent.h
View file

@ -42,6 +42,7 @@ typedef enum {
GST_EVENT_EMPTY,
GST_EVENT_SEEK,
GST_EVENT_DISCONTINUOUS,
GST_EVENT_NEW_MEDIA,
/* vertical events */
GST_EVENT_INFO,
GST_EVENT_ERROR,

138
plugins/elements/gstdisksink.c
View file

@ -22,8 +22,9 @@
#include <gst/gst.h>
#include <errno.h>
#include "gstdisksink.h"
#include <string.h>
GstElementDetails gst_disksink_details = {
"Disk Sink",
@ -45,6 +46,7 @@ enum {
enum {
ARG_0,
ARG_LOCATION,
ARG_MAXFILESIZE,
};
@ -59,6 +61,7 @@ static void gst_disksink_get_property (GObject *object, guint prop_id,
static gboolean gst_disksink_open_file (GstDiskSink *sink);
static void gst_disksink_close_file (GstDiskSink *sink);
static gboolean gst_disksink_handle_event (GstPad *pad, GstEvent *event);
static void gst_disksink_chain (GstPad *pad,GstBuffer *buf);
static GstElementStateReturn gst_disksink_change_state (GstElement *element);
@ -103,6 +106,10 @@ gst_disksink_class_init (GstDiskSinkClass *klass)
"location", ARG_LOCATION, G_PARAM_READWRITE,
NULL);
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MAXFILESIZE,
g_param_spec_int("maxfilesize","MaxFileSize","Maximum Size Per File",
G_MININT,G_MAXINT,0,G_PARAM_READWRITE));
gst_disksink_signals[SIGNAL_HANDOFF] =
g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstDiskSinkClass, handoff), NULL, NULL,
@ -118,12 +125,38 @@ static void
gst_disksink_init (GstDiskSink *disksink)
{
GstPad *pad;
pad = gst_pad_new ("sink", GST_PAD_SINK);
gst_element_add_pad (GST_ELEMENT (disksink), pad);
gst_pad_set_chain_function (pad, gst_disksink_chain);
GST_FLAG_SET (GST_ELEMENT(disksink), GST_ELEMENT_EVENT_AWARE);
gst_pad_set_event_function(pad, gst_disksink_handle_event);
disksink->filename = NULL;
disksink->file = NULL;
disksink->filenum = 0;
disksink->maxfilesize = -1;
}
static char *
gst_disksink_getcurrentfilename (GstDiskSink *disksink)
{
g_return_val_if_fail(disksink != NULL, NULL);
g_return_val_if_fail(GST_IS_DISKSINK(disksink), NULL);
g_return_val_if_fail(disksink->filename != NULL, NULL);
g_return_val_if_fail(disksink->filenum >= 0, NULL);
if (!strstr(disksink->filename, "%"))
{
if (!disksink->filenum)
return g_strdup(disksink->filename);
else
return NULL;
}
return g_strdup_printf(disksink->filename, disksink->filenum);
}
static void
@ -149,6 +182,9 @@ gst_disksink_set_property (GObject *object, guint prop_id, const GValue *value,
gst_disksink_open_file (sink);
}
break;
case ARG_MAXFILESIZE:
sink->maxfilesize = g_value_get_int(value);
break;
default:
break;
@ -167,7 +203,10 @@ gst_disksink_get_property (GObject *object, guint prop_id, GValue *value, GParam
switch (prop_id) {
case ARG_LOCATION:
g_value_set_string (value, sink->filename);
g_value_set_string (value, gst_disksink_getcurrentfilename(sink));
break;
case ARG_MAXFILESIZE:
g_value_set_int (value, sink->maxfilesize);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -181,15 +220,23 @@ gst_disksink_open_file (GstDiskSink *sink)
g_return_val_if_fail (!GST_FLAG_IS_SET (sink, GST_DISKSINK_OPEN), FALSE);
/* open the file */
sink->file = fopen (sink->filename, "w");
if (!gst_disksink_getcurrentfilename(sink))
{
gst_element_error(GST_ELEMENT(sink), "Out of files");
return FALSE;
}
sink->file = fopen (gst_disksink_getcurrentfilename(sink), "w");
if (sink->file == NULL) {
perror ("open");
gst_element_error (GST_ELEMENT (sink), g_strconcat("opening file \"", sink->filename, "\"", NULL));
gst_element_error (GST_ELEMENT (sink), g_strconcat("Error opening file \"",
gst_disksink_getcurrentfilename(sink), "\": ", sys_errlist[errno], NULL));
return FALSE;
}
GST_FLAG_SET (sink, GST_DISKSINK_OPEN);
sink->data_written = 0;
return TRUE;
}
@ -201,13 +248,69 @@ gst_disksink_close_file (GstDiskSink *sink)
if (fclose (sink->file) != 0)
{
perror ("close");
gst_element_error (GST_ELEMENT (sink), g_strconcat("closing file \"", sink->filename, "\"", NULL));
gst_element_error (GST_ELEMENT (sink), g_strconcat("Error closing file \"",
gst_disksink_getcurrentfilename(sink), "\": ", sys_errlist[errno], NULL));
}
else {
GST_FLAG_UNSET (sink, GST_DISKSINK_OPEN);
}
}
/* handle events (search) */
static gboolean
gst_disksink_handle_event (GstPad *pad, GstEvent *event)
{
GstEventType type;
GstDiskSink *disksink;
disksink = GST_DISKSINK (gst_pad_get_parent (pad));
type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
switch (type) {
case GST_EVENT_SEEK:
/* we need to seek */
if (GST_EVENT_SEEK_FLUSH(event))
if (fflush(disksink->file))
gst_element_error(GST_ELEMENT(disksink),
"Error flushing the buffer cache of file \'%s\' to disk: %s",
gst_disksink_getcurrentfilename(disksink), sys_errlist[errno]);
switch (GST_EVENT_SEEK_TYPE(event))
{
case GST_SEEK_BYTEOFFSET_SET:
fseek(disksink->file, GST_EVENT_SEEK_OFFSET(event), SEEK_SET);
break;
case GST_SEEK_BYTEOFFSET_CUR:
fseek(disksink->file, GST_EVENT_SEEK_OFFSET(event), SEEK_CUR);
break;
case GST_SEEK_BYTEOFFSET_END:
fseek(disksink->file, GST_EVENT_SEEK_OFFSET(event), SEEK_END);
break;
default:
g_warning("Any other then byte-offset seeking is not supported!\n");
break;
}
break;
case GST_EVENT_NEW_MEDIA:
/* we need to open a new file! */
gst_disksink_close_file(disksink);
disksink->filenum++;
if (!gst_disksink_open_file(disksink)) return FALSE;
break;
case GST_EVENT_FLUSH:
if (fflush(disksink->file))
gst_element_error(GST_ELEMENT(disksink),
"Error flushing the buffer cache of file \'%s\' to disk: %s",
gst_disksink_getcurrentfilename(disksink), sys_errlist[errno]);
break;
default:
g_warning("Unhandled event %d\n", type);
break;
}
return TRUE;
}
/**
* gst_disksink_chain:
* @pad: the pad this disksink is connected to
@ -227,6 +330,30 @@ gst_disksink_chain (GstPad *pad, GstBuffer *buf)
disksink = GST_DISKSINK (gst_pad_get_parent (pad));
if (GST_IS_EVENT(buf))
{
gst_disksink_handle_event(pad, GST_EVENT(buf));
return;
}
if (disksink->maxfilesize > 0)
{
if ((disksink->data_written + GST_BUFFER_SIZE(buf))/(1024*1024) > disksink->maxfilesize)
{
GstEvent *event;
event = gst_event_new(GST_EVENT_NEW_MEDIA);
gst_pad_send_event(pad, event);
/* if the event wasn't handled, we probably need to open a new file ourselves */
if (disksink->data_written)
{
gst_disksink_close_file(disksink);
disksink->filenum++;
if (!gst_disksink_open_file(disksink)) return;
}
}
}
if (GST_FLAG_IS_SET (disksink, GST_DISKSINK_OPEN))
{
bytes_written = fwrite (GST_BUFFER_DATA (buf), 1, GST_BUFFER_SIZE (buf), disksink->file);
@ -236,6 +363,7 @@ gst_disksink_chain (GstPad *pad, GstBuffer *buf)
GST_BUFFER_SIZE (buf), bytes_written);
}
}
disksink->data_written += GST_BUFFER_SIZE(buf);
gst_buffer_unref (buf);
g_signal_emit (G_OBJECT (disksink), gst_disksink_signals[SIGNAL_HANDOFF], 0,

5
plugins/elements/gstdisksink.h
View file

@ -62,6 +62,11 @@ struct _GstDiskSink {
gchar *filename;
FILE *file;
gint filenum;
guint64 data_written;
gint maxfilesize;
};
struct _GstDiskSinkClass {