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[MOVED FROM GST-P-FARSIGHT] Ole's port to gst 0.10

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20071110041125-3e2dc-e2994c3bbe1578d98e4f707bd10f24fabf942c2b.gz
This commit is contained in:
Olivier Crete 2007-11-10 04:11:25 +00:00 committed by Olivier Crête
parent 4a6416f683
commit bcfd238405
2 changed files with 32 additions and 47 deletions
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76
ext/mimic/gstmimdec.c
View file

@ -1,9 +1,10 @@
/*
/*
* GStreamer
* Copyright (c) 2005 INdT.
* @author Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
* @author Rob Taylor <robtaylor@fastmail.fm>
* @author Philippe Khalaf <burger@speedy.org>
* @author Ole André Vadla Ravnås <oleavr@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -37,7 +38,7 @@ GST_STATIC_PAD_TEMPLATE (
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-msnwebcam")
GST_STATIC_CAPS ("video/x-msnmsgr-webcam")
);
static GstStaticPadTemplate src_factory =
@ -49,7 +50,7 @@ GST_STATIC_PAD_TEMPLATE (
"bpp = (int) 24, "
"depth = (int) 24, "
"endianness = (int) 4321, "
"framerate = (fraction) [1/1, 30/1], "
"framerate = (double) [1.0, 30.0], "
"red_mask = (int) 16711680, "
"green_mask = (int) 65280, "
"blue_mask = (int) 255, "
@ -66,14 +67,10 @@ static void gst_mimdec_finalize (GObject *object);
static GstFlowReturn gst_mimdec_chain (GstPad *pad,
GstBuffer *in);
static GstCaps *gst_mimdec_src_getcaps (GstPad *pad);
#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
static GstElementStateReturn
gst_mimdec_change_state (GstElement *element);
#else
static GstStateChangeReturn
gst_mimdec_change_state (GstElement *element,
GstStateChange transition);
#endif
static GstElementClass *parent_class = NULL;
@ -110,7 +107,10 @@ gst_mimdec_base_init (GstMimDecClass *klass)
"MimDec",
"Codec/Decoder/Video",
"Mimic decoder",
"Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>"
"Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>, "
"Rob Taylor <robtaylor@fastmail.fm>, "
"Philippe Khalaf <burger@speedy.org>, "
"Ole André Vadla Ravnås <oleavr@gmail.com>"
};
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
@ -181,7 +181,9 @@ gst_mimdec_chain (GstPad *pad, GstBuffer *in)
guint32 fourcc;
guint16 header_size;
gint width, height;
GstCaps *caps;
GstCaps * caps;
GST_DEBUG ("in gst_mimdec_chain");
g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
@ -245,6 +247,10 @@ gst_mimdec_chain (GstPad *pad, GstBuffer *in)
frame_body = (guchar *) gst_adapter_peek (mimdec->adapter, mimdec->payload_size);
if (mimdec->dec == NULL) {
GstSegment segment;
GstEvent * event;
gboolean result;
mimdec->dec = mimic_open ();
if (mimdec->dec == NULL) {
GST_WARNING ("mimic_open error\n");
@ -273,10 +279,20 @@ gst_mimdec_chain (GstPad *pad, GstBuffer *in)
mimdec->have_header = FALSE;
return GST_FLOW_ERROR;
}
gst_segment_init (&segment, GST_FORMAT_TIME);
event = gst_event_new_new_segment (FALSE, segment.rate,
segment.format, segment.start, segment.stop, segment.time);
result = gst_pad_push_event (mimdec->srcpad, event);
if (!result)
{
GST_WARNING ("gst_pad_push_event failed");
}
}
out_buf = gst_buffer_new_and_alloc (mimdec->buffer_size);
GST_BUFFER_TIMESTAMP(out_buf) = GST_BUFFER_TIMESTAMP(buf);
if (!mimic_decode_frame (mimdec->dec, frame_body, GST_BUFFER_DATA (out_buf))) {
GST_WARNING ("mimic_decode_frame error\n");
@ -286,32 +302,21 @@ gst_mimdec_chain (GstPad *pad, GstBuffer *in)
gst_buffer_unref (out_buf);
return GST_FLOW_ERROR;
}
if (mimdec->last_ts != -1) {
int diff = mimdec->current_ts - mimdec->last_ts;
if (diff < 0 || diff > 5000) {
diff = 1000;
}
mimdec->gst_timestamp += diff * GST_MSECOND;
}
GST_BUFFER_TIMESTAMP(out_buf) = mimdec->gst_timestamp;
mimdec->last_ts = mimdec->current_ts;
mimic_get_property(mimdec->dec, "width", &width);
mimic_get_property(mimdec->dec, "height", &height);
GST_DEBUG ("got WxH %d x %d payload size %d buffer_size %d", width, height, mimdec->payload_size, mimdec->buffer_size);
GST_DEBUG ("got WxH %d x %d payload size %d buffer_size %d",
width, height, mimdec->payload_size, mimdec->buffer_size);
caps = gst_caps_new_simple ("video/x-raw-rgb",
"bpp", G_TYPE_INT, 24,
"depth", G_TYPE_INT, 24,
"endianness", G_TYPE_INT, 4321,
"framerate", GST_TYPE_FRACTION, 30, 1,
"framerate", G_TYPE_DOUBLE, 30.0,
"red_mask", G_TYPE_INT, 16711680,
"green_mask", G_TYPE_INT, 65280,
"blue_mask", G_TYPE_INT, 255,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height, NULL);
// gst_pad_set_caps (mimdec->srcpad, caps);
gst_buffer_set_caps (out_buf, caps);
gst_caps_unref (caps);
gst_pad_push (mimdec->srcpad, out_buf);
@ -321,19 +326,10 @@ gst_mimdec_chain (GstPad *pad, GstBuffer *in)
return GST_FLOW_OK;
}
return GST_FLOW_OK;
}
#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
static GstElementStateReturn
gst_mimdec_change_state (GstElement *element)
{
GstMimDec *mimdec;
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_READY_TO_NULL:
#else
static GstStateChangeReturn
gst_mimdec_change_state (GstElement *element, GstStateChange transition)
{
@ -341,7 +337,6 @@ gst_mimdec_change_state (GstElement *element, GstStateChange transition)
switch (transition) {
case GST_STATE_CHANGE_READY_TO_NULL:
#endif
mimdec = GST_MIMDEC (element);
if (mimdec->dec != NULL) {
mimic_close (mimdec->dec);
@ -349,20 +344,13 @@ gst_mimdec_change_state (GstElement *element, GstStateChange transition)
mimdec->buffer_size = -1;
mimdec->have_header = FALSE;
mimdec->payload_size = -1;
mimdec->gst_timestamp = -1;
mimdec->current_ts = -1;
mimdec->last_ts = -1;
}
break;
default:
break;
}
#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
#else
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
#endif
}
static GstCaps *

3
ext/mimic/gstmimdec.h
View file

@ -55,9 +55,6 @@ struct _GstMimDec
gint buffer_size;
gboolean have_header;
guint32 payload_size;
guint32 last_ts;
guint32 current_ts;
GstClockTime gst_timestamp;
};
struct _GstMimDecClass