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ext/raw1394/gstdv1394src.*: Added conversion/query functions.

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Original commit message from CVS:
* ext/raw1394/gstdv1394src.c: (gst_dv1394src_get_type),
(gst_dv1394src_base_init), (gst_dv1394src_class_init),
(gst_dv1394src_init), (gst_dv1394src_dispose),
(gst_dv1394src_iso_receive), (gst_dv1394src_discover_avc_node),
(gst_dv1394src_change_state), (gst_dv1394src_get_event_mask),
(gst_dv1394src_event), (gst_dv1394src_get_formats),
(gst_dv1394src_convert), (gst_dv1394src_get_query_types),
(gst_dv1394src_query), (gst_dv1394src_uri_get_type),
(gst_dv1394src_uri_get_protocols), (gst_dv1394src_uri_get_uri),
(gst_dv1394src_uri_set_uri), (gst_dv1394src_uri_handler_init):
* ext/raw1394/gstdv1394src.h:
Added conversion/query functions.
Update buffer timestamps,
Added signals.
Added uri dv:// so it might play from the firewire in playbin.
Fix a possible leak.
Added debugging.
This commit is contained in:
Wim Taymans 2004-10-15 14:35:54 +00:00
parent 987cc3cfa0
commit fe83f4c817
3 changed files with 299 additions and 40 deletions
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20
ChangeLog
View file

@ -1,3 +1,23 @@
2004-10-15 Wim Taymans <wim@fluendo.com>
* ext/raw1394/gstdv1394src.c: (gst_dv1394src_get_type),
(gst_dv1394src_base_init), (gst_dv1394src_class_init),
(gst_dv1394src_init), (gst_dv1394src_dispose),
(gst_dv1394src_iso_receive), (gst_dv1394src_discover_avc_node),
(gst_dv1394src_change_state), (gst_dv1394src_get_event_mask),
(gst_dv1394src_event), (gst_dv1394src_get_formats),
(gst_dv1394src_convert), (gst_dv1394src_get_query_types),
(gst_dv1394src_query), (gst_dv1394src_uri_get_type),
(gst_dv1394src_uri_get_protocols), (gst_dv1394src_uri_get_uri),
(gst_dv1394src_uri_set_uri), (gst_dv1394src_uri_handler_init):
* ext/raw1394/gstdv1394src.h:
Added conversion/query functions.
Update buffer timestamps,
Added signals.
Added uri dv:// so it might play from the firewire in playbin.
Fix a possible leak.
Added debugging.
2004-10-15 Wim Taymans <wim@fluendo.com>
* ext/raw1394/gstdv1394src.c: (gst_dv1394src_class_init),

307
ext/raw1394/gstdv1394src.c
View file

@ -1,3 +1,4 @@
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: t; c-basic-offset: 2 -*- */
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* <2000> Daniel Fischer <dan@f3c.com>
@ -30,14 +31,19 @@
#include "gstdv1394src.h"
#define N_BUFFERS_IN_POOL 3
GST_DEBUG_CATEGORY_STATIC (dv1394src_debug);
#define GST_CAT_DEFAULT (dv1394src_debug)
#define PAL_FRAMESIZE 144000
#define PAL_FRAMERATE 25
#define NTSC_FRAMESIZE 120000
#define NTSC_FRAMERATE 30
/* Filter signals and args */
enum
{
SIGNAL_FRAME_DROPPED,
/* FILL ME */
LAST_SIGNAL
};
@ -69,30 +75,16 @@ GST_ELEMENT_DETAILS ("Firewire (1394) DV Source",
"Erik Walthinsen <omega@temple-baptist.com>\n"
"Daniel Fischer <dan@f3c.com>\n" "Wim Taymans <wim@fluendo.com>");
#if 0
static GstPadTemplate *
gst_dv1394src_factory (void)
{
static GstPadTemplate *template = NULL;
if (!template) {
template = gst_pad_template_new ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("dv1394src",
"video/x-dv",
gst_props_new ("format", GST_PROPS_LIST (G_TYPE_STRING ("NTSC"),
G_TYPE_STRING ("PAL")
), NULL)
), NULL);
}
return template;
}
#endif
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-dv, " "format = (string) { NTSC, PAL }")
);
static void gst_dv1394src_base_init (gpointer g_class);
static void gst_dv1394src_class_init (GstDV1394SrcClass * klass);
static void gst_dv1394src_init (GstDV1394Src * filter);
static void gst_dv1394src_dispose (GObject * obj);
static void gst_dv1394src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
@ -103,9 +95,24 @@ static GstElementStateReturn gst_dv1394src_change_state (GstElement * element);
static GstData *gst_dv1394src_get (GstPad * pad);
static const GstEventMask *gst_dv1394src_get_event_mask (GstPad * pad);
static gboolean gst_dv1394src_event (GstPad * pad, GstEvent * event);
static const GstFormat *gst_dv1394src_get_formats (GstPad * pad);
static gboolean gst_dv1394src_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value);
static const GstQueryType *gst_dv1394src_get_query_types (GstPad * pad);
static gboolean gst_dv1394src_query (GstPad * pad, GstQueryType type,
GstFormat * format, gint64 * value);
static GstElementClass *parent_class = NULL;
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
static void gst_dv1394src_uri_handler_init (gpointer g_iface,
gpointer iface_data);
static guint gst_dv1394src_signals[LAST_SIGNAL] = { 0 };
GType
gst_dv1394src_get_type (void)
@ -124,10 +131,21 @@ gst_dv1394src_get_type (void)
0,
(GInstanceInitFunc) gst_dv1394src_init,
};
static const GInterfaceInfo urihandler_info = {
gst_dv1394src_uri_handler_init,
NULL,
NULL,
};
gst_dv1394src_type =
g_type_register_static (GST_TYPE_ELEMENT, "DV1394Src",
&gst_dv1394src_info, 0);
g_type_add_interface_static (gst_dv1394src_type, GST_TYPE_URI_HANDLER,
&urihandler_info);
GST_DEBUG_CATEGORY_INIT (dv1394src_debug, "dv1394src", 0,
"DV firewire source");
}
return gst_dv1394src_type;
}
@ -137,6 +155,9 @@ gst_dv1394src_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_set_details (element_class, &gst_dv1394src_details);
}
@ -149,6 +170,11 @@ gst_dv1394src_class_init (GstDV1394SrcClass * klass)
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gst_dv1394src_signals[SIGNAL_FRAME_DROPPED] =
g_signal_new ("frame-dropped", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstDV1394SrcClass, frame_dropped),
NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PORT,
g_param_spec_int ("port", "Port", "Port number (-1 automatic)",
-1, 16, DEFAULT_PORT, G_PARAM_READWRITE));
@ -179,6 +205,7 @@ gst_dv1394src_class_init (GstDV1394SrcClass * klass)
gobject_class->set_property = gst_dv1394src_set_property;
gobject_class->get_property = gst_dv1394src_get_property;
gobject_class->dispose = gst_dv1394src_dispose;
gstelement_class->change_state = gst_dv1394src_change_state;
}
@ -186,9 +213,20 @@ gst_dv1394src_class_init (GstDV1394SrcClass * klass)
static void
gst_dv1394src_init (GstDV1394Src * dv1394src)
{
dv1394src->srcpad = gst_pad_new ("src", GST_PAD_SRC);
dv1394src->srcpad =
gst_pad_new_from_template (gst_element_get_pad_template (GST_ELEMENT
(dv1394src), "src"), "src");
gst_pad_set_get_function (dv1394src->srcpad, gst_dv1394src_get);
gst_pad_use_explicit_caps (dv1394src->srcpad);
gst_pad_set_event_function (dv1394src->srcpad, gst_dv1394src_event);
gst_pad_set_event_mask_function (dv1394src->srcpad,
gst_dv1394src_get_event_mask);
gst_pad_set_convert_function (dv1394src->srcpad, gst_dv1394src_convert);
gst_pad_set_query_function (dv1394src->srcpad, gst_dv1394src_query);
gst_pad_set_query_type_function (dv1394src->srcpad,
gst_dv1394src_get_query_types);
gst_pad_set_formats_function (dv1394src->srcpad, gst_dv1394src_get_formats);
gst_element_add_pad (GST_ELEMENT (dv1394src), dv1394src->srcpad);
dv1394src->port = DEFAULT_PORT;
@ -201,11 +239,21 @@ gst_dv1394src_init (GstDV1394Src * dv1394src)
dv1394src->guid = DEFAULT_GUID;
/* initialized when first header received */
dv1394src->frameSize = 0;
dv1394src->frame_size = 0;
dv1394src->buf = NULL;
dv1394src->frame = NULL;
dv1394src->frameSequence = 0;
dv1394src->frame_sequence = 0;
}
static void
gst_dv1394src_dispose (GObject * obj)
{
GstDV1394Src *dv1394src;
dv1394src = GST_DV1394SRC (obj);
G_OBJECT_CLASS (parent_class)->dispose (obj);
}
static void
@ -308,7 +356,8 @@ gst_dv1394src_iso_receive (raw1394handle_t handle, int channel, size_t len,
// figure format (NTSC/PAL)
if (p[3] & 0x80) {
// PAL
dv1394src->frameSize = PAL_FRAMESIZE;
dv1394src->frame_size = PAL_FRAMESIZE;
dv1394src->frame_rate = PAL_FRAMERATE;
GST_DEBUG ("PAL data");
if (!gst_pad_set_explicit_caps (dv1394src->srcpad,
gst_caps_new_simple ("video/x-dv",
@ -319,7 +368,8 @@ gst_dv1394src_iso_receive (raw1394handle_t handle, int channel, size_t len,
}
} else {
// NTSC (untested)
dv1394src->frameSize = NTSC_FRAMESIZE;
dv1394src->frame_size = NTSC_FRAMESIZE;
dv1394src->frame_rate = NTSC_FRAMERATE;
GST_DEBUG
("NTSC data [untested] - please report success/failure to <dan@f3c.com>");
if (!gst_pad_set_explicit_caps (dv1394src->srcpad,
@ -334,25 +384,43 @@ gst_dv1394src_iso_receive (raw1394handle_t handle, int channel, size_t len,
}
// drop last frame when not complete
if (!dv1394src->drop_incomplete
|| dv1394src->bytesInFrame == dv1394src->frameSize) {
|| dv1394src->bytes_in_frame == dv1394src->frame_size) {
dv1394src->buf = dv1394src->frame;
} else {
GST_INFO_OBJECT (GST_ELEMENT (dv1394src), "incomplete frame dropped");
g_signal_emit (G_OBJECT (dv1394src),
gst_dv1394src_signals[SIGNAL_FRAME_DROPPED], 0);
if (dv1394src->frame) {
gst_buffer_unref (dv1394src->frame);
}
}
dv1394src->frame = NULL;
dv1394src->frameSequence++;
if (dv1394src->frameSequence % (dv1394src->skip +
if ((dv1394src->frame_sequence + 1) % (dv1394src->skip +
dv1394src->consecutive) < dv1394src->consecutive) {
dv1394src->frame = gst_buffer_new_and_alloc (dv1394src->frameSize);
GstFormat format;
GstBuffer *buf;
buf = gst_buffer_new_and_alloc (dv1394src->frame_size);
/* fill in default offset */
format = GST_FORMAT_DEFAULT;
gst_dv1394src_query (dv1394src->srcpad, GST_QUERY_POSITION, &format,
&GST_BUFFER_OFFSET (buf));
/* fill in timestamp */
format = GST_FORMAT_TIME;
gst_dv1394src_query (dv1394src->srcpad, GST_QUERY_POSITION, &format,
&GST_BUFFER_TIMESTAMP (buf));
/* fill in duration by converting one frame to time */
gst_dv1394src_convert (dv1394src->srcpad, GST_FORMAT_DEFAULT, 1,
&format, &GST_BUFFER_DURATION (buf));
dv1394src->frame = buf;
}
dv1394src->bytesInFrame = 0;
dv1394src->frame_sequence++;
dv1394src->bytes_in_frame = 0;
}
if (dv1394src->frame != NULL) {
void *data = GST_BUFFER_DATA (dv1394src->frame);
guint8 *data = GST_BUFFER_DATA (dv1394src->frame);
switch (section_type) {
case 0: /* 1 Header block */
@ -383,7 +451,7 @@ gst_dv1394src_iso_receive (raw1394handle_t handle, int channel, size_t len,
default: /* we can't handle any other data */
break;
}
dv1394src->bytesInFrame += 480;
dv1394src->bytes_in_frame += 480;
}
}
@ -567,3 +635,168 @@ gst_dv1394src_change_state (GstElement * element)
return GST_STATE_SUCCESS;
}
static const GstEventMask *
gst_dv1394src_get_event_mask (GstPad * pad)
{
static const GstEventMask masks[] = {
{0,}
};
return masks;
}
static gboolean
gst_dv1394src_event (GstPad * pad, GstEvent * event)
{
return FALSE;
}
static const GstFormat *
gst_dv1394src_get_formats (GstPad * pad)
{
static GstFormat formats[] = {
GST_FORMAT_TIME,
GST_FORMAT_BYTES,
GST_FORMAT_DEFAULT,
0
};
return formats;
}
static gboolean
gst_dv1394src_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value)
{
GstDV1394Src *src;
src = GST_DV1394SRC (gst_pad_get_parent (pad));
switch (src_format) {
case GST_FORMAT_TIME:
switch (*dest_format) {
case GST_FORMAT_BYTES:
src_value *= src->frame_size;
case GST_FORMAT_DEFAULT:
*dest_value = src_value * src->frame_rate / GST_SECOND;
break;
default:
return FALSE;
}
break;
case GST_FORMAT_BYTES:
src_value /= src->frame_size;
case GST_FORMAT_DEFAULT:
switch (*dest_format) {
case GST_FORMAT_BYTES:
*dest_value = src_value * src->frame_size;
break;
case GST_FORMAT_TIME:
if (src->frame_rate != 0)
*dest_value = src_value * GST_SECOND / src->frame_rate;
else
return FALSE;
break;
default:
return FALSE;
}
break;
default:
break;
}
return TRUE;
}
static const GstQueryType *
gst_dv1394src_get_query_types (GstPad * pad)
{
static const GstQueryType src_query_types[] = {
GST_QUERY_POSITION,
0
};
return src_query_types;
}
static gboolean
gst_dv1394src_query (GstPad * pad, GstQueryType type,
GstFormat * format, gint64 * value)
{
gboolean res = TRUE;
GstDV1394Src *src;
src = GST_DV1394SRC (gst_pad_get_parent (pad));
switch (type) {
case GST_QUERY_POSITION:
/* bring our current frame to the requested format */
res = gst_pad_convert (src->srcpad,
GST_FORMAT_DEFAULT, src->frame_sequence, format, value);
break;
default:
res = FALSE;
break;
}
return res;
}
/*** GSTURIHANDLER INTERFACE *************************************************/
static guint
gst_dv1394src_uri_get_type (void)
{
return GST_URI_SRC;
}
static gchar **
gst_dv1394src_uri_get_protocols (void)
{
static gchar *protocols[] = { "dv", NULL };
return protocols;
}
static const gchar *
gst_dv1394src_uri_get_uri (GstURIHandler * handler)
{
GstDV1394Src *gst_dv1394src = GST_DV1394SRC (handler);
return gst_dv1394src->uri;
}
static gboolean
gst_dv1394src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gchar *protocol, *location;
gboolean ret;
ret = TRUE;
GstDV1394Src *gst_dv1394src = GST_DV1394SRC (handler);
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "dv") != 0) {
g_free (protocol);
return FALSE;
}
g_free (protocol);
location = gst_uri_get_location (uri);
gst_dv1394src->port = strtol (location, NULL, 10);
g_free (location);
return ret;
}
static void
gst_dv1394src_uri_handler_init (gpointer g_iface, gpointer iface_data)
{
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
iface->get_type = gst_dv1394src_uri_get_type;
iface->get_protocols = gst_dv1394src_uri_get_protocols;
iface->get_uri = gst_dv1394src_uri_get_uri;
iface->set_uri = gst_dv1394src_uri_set_uri;
}

12
ext/raw1394/gstdv1394src.h
View file

@ -69,15 +69,21 @@ struct _GstDV1394Src {
GstBuffer *buf;
GstBuffer *frame;
guint frameSize;
guint bytesInFrame;
guint frameSequence;
guint frame_size;
guint frame_rate;
guint bytes_in_frame;
guint frame_sequence;
gboolean negotiated;
gchar *uri;
};
struct _GstDV1394SrcClass {
GstElementClass parent_class;
/* signal */
void (*frame_dropped) (GstElement *elem);
};
GType gst_dv1394src_get_type(void);