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mimic: Port to 0.11

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This commit is contained in:
Olivier Crête 2012-08-03 16:21:09 +01:00
parent a3519d59ef
commit bc6b513620
5 changed files with 233 additions and 333 deletions
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6
configure.ac
View file

@ -322,7 +322,7 @@ GST_PLUGINS_NONPORTED=" aiff \
videomeasure videosignal vmnc \
decklink fbdev linsys vcd \
apexsink cdaudio cog dc1394 dirac directfb resindvd \
gsettings jasper ladspa mimic \
gsettings jasper ladspa \
musepack musicbrainz nas neon ofa openal rsvg sdl sndfile spandsp spc timidity \
directsound directdraw direct3d9 acm wininet \
wildmidi xvid lv2 teletextdec dvb sndio"
@ -1138,8 +1138,8 @@ AG_GST_CHECK_FEATURE(MODPLUG, modplug, modplug, [
dnl *** mimic ***
translit(dnm, m, l) AM_CONDITIONAL(USE_MIMIC, true)
AG_GST_CHECK_FEATURE(MIMIC, [libmimic library], mimic, [
MIMDEC_REQUIRED=1.0
PKG_CHECK_MODULES(MIMIC, libmimic >= $MIMDEC_REQUIRED,
MIMIC_REQUIRED=1.0
PKG_CHECK_MODULES(MIMIC, libmimic >= $MIMIC_REQUIRED,
HAVE_MIMIC=yes, HAVE_MIMIC=no)
AC_SUBST(MIMIC_CFLAGS)
AC_SUBST(MIMIC_LIBS)

249
ext/mimic/gstmimdec.c
View file

@ -51,57 +51,24 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw-rgb, "
"bpp = (int) 24, "
"depth = (int) 24, "
"endianness = (int) 4321, "
"framerate = (fraction) 0/1, "
"red_mask = (int) 16711680, "
"green_mask = (int) 65280, "
"blue_mask = (int) 255, "
"width = (int) 320, "
"height = (int) 240"
";video/x-raw-rgb, "
"bpp = (int) 24, "
"depth = (int) 24, "
"endianness = (int) 4321, "
"framerate = (fraction) 0/1, "
"red_mask = (int) 16711680, "
"green_mask = (int) 65280, "
"blue_mask = (int) 255, " "width = (int) 160, " "height = (int) 120")
GST_STATIC_CAPS ("video/x-raw, format= (string) \"RGB\", "
"framerate = (fraction) 0/1, width = (int) 320, height = (int) 240;"
"video/x-raw, format= (string) \"RGB\", "
"framerate = (fraction) 0/1, width = (int) 160, height = (int) 120")
);
static void gst_mim_dec_finalize (GObject * object);
static GstFlowReturn gst_mim_dec_chain (GstPad * pad, GstBuffer * in);
static GstFlowReturn gst_mim_dec_chain (GstPad * pad, GstObject * parent,
GstBuffer * in);
static GstStateChangeReturn
gst_mim_dec_change_state (GstElement * element, GstStateChange transition);
static gboolean gst_mim_dec_sink_event (GstPad * pad, GstEvent * event);
static gboolean gst_mim_dec_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event);
GST_BOILERPLATE (GstMimDec, gst_mim_dec, GstElement, GST_TYPE_ELEMENT);
static void
gst_mim_dec_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_factory));
gst_element_class_set_details_simple (element_class,
"Mimic Decoder",
"Codec/Decoder/Video",
"MSN Messenger compatible Mimic video decoder element",
"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>,"
"Olivier Crête <olivier.crete@collabora.co.uk");
}
G_DEFINE_TYPE (GstMimDec, gst_mim_dec, GST_TYPE_ELEMENT);
static void
gst_mim_dec_class_init (GstMimDecClass * klass)
@ -113,22 +80,39 @@ gst_mim_dec_class_init (GstMimDecClass * klass)
gstelement_class = (GstElementClass *) klass;
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_mim_dec_change_state);
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_factory));
gst_element_class_set_details_simple (gstelement_class,
"Mimic Decoder",
"Codec/Decoder/Video",
"MSN Messenger compatible Mimic video decoder element",
"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>,"
"Olivier Crête <olivier.crete@collabora.co.uk");
gobject_class->finalize = gst_mim_dec_finalize;
GST_DEBUG_CATEGORY_INIT (mimdec_debug, "mimdec", 0, "Mimic decoder plugin");
}
static void
gst_mim_dec_init (GstMimDec * mimdec, GstMimDecClass * klass)
gst_mim_dec_init (GstMimDec * mimdec)
{
mimdec->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
gst_element_add_pad (GST_ELEMENT (mimdec), mimdec->sinkpad);
gst_pad_use_fixed_caps (mimdec->sinkpad);
gst_pad_set_chain_function (mimdec->sinkpad,
GST_DEBUG_FUNCPTR (gst_mim_dec_chain));
gst_pad_set_event_function (mimdec->sinkpad,
GST_DEBUG_FUNCPTR (gst_mim_dec_sink_event));
gst_element_add_pad (GST_ELEMENT (mimdec), mimdec->sinkpad);
mimdec->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_pad_use_fixed_caps (mimdec->srcpad);
gst_element_add_pad (GST_ELEMENT (mimdec), mimdec->srcpad);
mimdec->adapter = gst_adapter_new ();
@ -144,16 +128,15 @@ gst_mim_dec_finalize (GObject * object)
gst_adapter_clear (mimdec->adapter);
g_object_unref (mimdec->adapter);
GST_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
G_OBJECT_CLASS (gst_mim_dec_parent_class)->finalize (object);
}
static GstFlowReturn
gst_mim_dec_chain (GstPad * pad, GstBuffer * buf)
gst_mim_dec_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstMimDec *mimdec;
GstMimDec *mimdec = GST_MIM_DEC (parent);
GstBuffer *out_buf;
guchar *header, *frame_body;
const guchar *header, *frame_body;
guint32 fourcc;
guint16 header_size;
gint width, height;
@ -164,93 +147,107 @@ gst_mim_dec_chain (GstPad * pad, GstBuffer * buf)
gboolean result = TRUE;
guint32 payload_size;
guint32 current_ts;
g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
mimdec = GST_MIM_DEC (gst_pad_get_parent (pad));
g_return_val_if_fail (GST_IS_MIM_DEC (mimdec), GST_FLOW_ERROR);
GstMapInfo map;
gst_adapter_push (mimdec->adapter, buf);
/* do we have enough bytes to read a header */
while (gst_adapter_available (mimdec->adapter) >= 24) {
header = (guchar *) gst_adapter_peek (mimdec->adapter, 24);
header = gst_adapter_map (mimdec->adapter, 24);
header_size = header[0];
if (header_size != 24) {
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, 24);
GST_ELEMENT_ERROR (mimdec, STREAM, DECODE, (NULL),
("invalid frame: header size %d incorrect", header_size));
res = GST_FLOW_ERROR;
goto out;
return GST_FLOW_ERROR;
}
if (header[1] == 1) {
/* This is a a paused frame, skip it */
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, 24);
continue;
}
fourcc = GUINT32_FROM_LE (*((guint32 *) (header + 12)));
if (GST_MAKE_FOURCC ('M', 'L', '2', '0') != fourcc) {
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, 24);
GST_ELEMENT_ERROR (mimdec, STREAM, WRONG_TYPE, (NULL),
("invalid frame: unknown FOURCC code %X (%" GST_FOURCC_FORMAT ")",
fourcc, GST_FOURCC_ARGS (fourcc)));
res = GST_FLOW_ERROR;
goto out;
return GST_FLOW_ERROR;
}
payload_size = GUINT32_FROM_LE (*((guint32 *) (header + 8)));
current_ts = GUINT32_FROM_LE (*((guint32 *) (header + 20)));
gst_adapter_unmap (mimdec->adapter);
GST_LOG_OBJECT (mimdec, "Got packet, payload size %d", payload_size);
if (gst_adapter_available (mimdec->adapter) < payload_size + 24)
goto out;
return GST_FLOW_OK;
/* We have a whole packet and have read the header, lets flush it out */
gst_adapter_flush (mimdec->adapter, 24);
frame_body = (guchar *) gst_adapter_peek (mimdec->adapter, payload_size);
frame_body = gst_adapter_map (mimdec->adapter, payload_size);
if (mimdec->buffer_size < 0) {
/* Check if its a keyframe, otherwise skip it */
if (GUINT32_FROM_LE (*((guint32 *) (frame_body + 12))) != 0) {
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, payload_size);
res = GST_FLOW_OK;
goto out;
return GST_FLOW_OK;
}
if (!mimic_decoder_init (mimdec->dec, frame_body)) {
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, payload_size);
GST_ELEMENT_ERROR (mimdec, LIBRARY, INIT, (NULL),
("mimic_decoder_init error"));
res = GST_FLOW_ERROR;
goto out;
return GST_FLOW_ERROR;
}
if (!mimic_get_property (mimdec->dec, "buffer_size",
&mimdec->buffer_size)) {
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, payload_size);
GST_ELEMENT_ERROR (mimdec, LIBRARY, INIT, (NULL),
("mimic_get_property('buffer_size') error"));
res = GST_FLOW_ERROR;
goto out;
return GST_FLOW_ERROR;
}
mimic_get_property (mimdec->dec, "width", &width);
mimic_get_property (mimdec->dec, "height", &height);
GST_DEBUG_OBJECT (mimdec,
"Initialised decoder with %d x %d payload size %d buffer_size %d",
width, height, payload_size, mimdec->buffer_size);
caps = gst_caps_new_simple ("video/x-raw",
"format", G_TYPE_STRING, "RGB",
"framerate", GST_TYPE_FRACTION, 0, 1,
"width", G_TYPE_INT, width, "height", G_TYPE_INT, height, NULL);
gst_pad_set_caps (mimdec->srcpad, caps);
gst_caps_unref (caps);
}
if (mimdec->need_newsegment) {
if (mimdec->need_segment) {
GstSegment segment;
gst_segment_init (&segment, GST_FORMAT_TIME);
if (GST_CLOCK_TIME_IS_VALID (in_time))
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
in_time, -1, 0);
segment.start = in_time;
else
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
current_ts * GST_MSECOND, -1, 0);
segment.start = current_ts * GST_MSECOND;
event = gst_event_new_segment (&segment);
}
mimdec->need_newsegment = FALSE;
mimdec->need_segment = FALSE;
if (event)
result = gst_pad_push_event (mimdec->srcpad, event);
@ -258,25 +255,25 @@ gst_mim_dec_chain (GstPad * pad, GstBuffer * buf)
if (!result) {
GST_WARNING_OBJECT (mimdec, "gst_pad_push_event failed");
res = GST_FLOW_ERROR;
goto out;
return GST_FLOW_ERROR;
}
out_buf = gst_buffer_new_and_alloc (mimdec->buffer_size);
out_buf = gst_buffer_new_allocate (NULL, mimdec->buffer_size, NULL);
gst_buffer_map (out_buf, &map, GST_MAP_READWRITE);
if (!mimic_decode_frame (mimdec->dec, frame_body,
GST_BUFFER_DATA (out_buf))) {
if (!mimic_decode_frame (mimdec->dec, frame_body, map.data)) {
GST_WARNING_OBJECT (mimdec, "mimic_decode_frame error\n");
gst_adapter_flush (mimdec->adapter, payload_size);
gst_buffer_unmap (out_buf, &map);
gst_buffer_unref (out_buf);
GST_ELEMENT_ERROR (mimdec, STREAM, DECODE, (NULL),
("mimic_decode_frame error"));
res = GST_FLOW_ERROR;
goto out;
return GST_FLOW_ERROR;
}
gst_buffer_unmap (out_buf, &map);
gst_adapter_flush (mimdec->adapter, payload_size);
if (GST_CLOCK_TIME_IS_VALID (in_time))
@ -284,33 +281,13 @@ gst_mim_dec_chain (GstPad * pad, GstBuffer * buf)
else
GST_BUFFER_TIMESTAMP (out_buf) = current_ts * GST_MSECOND;
mimic_get_property (mimdec->dec, "width", &width);
mimic_get_property (mimdec->dec, "height", &height);
GST_DEBUG_OBJECT (mimdec,
"got WxH %d x %d payload size %d buffer_size %d",
width, height, 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,
"red_mask", G_TYPE_INT, 16711680,
"green_mask", G_TYPE_INT, 65280,
"blue_mask", G_TYPE_INT, 255,
"framerate", GST_TYPE_FRACTION, 0, 1,
"width", G_TYPE_INT, width, "height", G_TYPE_INT, height, NULL);
gst_buffer_set_caps (out_buf, caps);
gst_caps_unref (caps);
res = gst_pad_push (mimdec->srcpad, out_buf);
if (res != GST_FLOW_OK)
break;
}
out:
gst_object_unref (mimdec);
return res;
}
static GstStateChangeReturn
@ -322,34 +299,33 @@ gst_mim_dec_change_state (GstElement * element, GstStateChange transition)
mimdec = GST_MIM_DEC (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
case GST_STATE_CHANGE_READY_TO_PAUSED:
mimdec->buffer_size = -1;
mimdec->dec = mimic_open ();
if (!mimdec) {
GST_ERROR_OBJECT (mimdec, "mimic_open failed");
return GST_STATE_CHANGE_FAILURE;
}
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
mimdec->need_newsegment = TRUE;
mimdec->need_segment = TRUE;
gst_adapter_clear (mimdec->adapter);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
ret = GST_ELEMENT_CLASS (gst_mim_dec_parent_class)->change_state (element,
transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_NULL:
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (mimdec->dec != NULL) {
mimic_close (mimdec->dec);
mimdec->dec = NULL;
mimdec->buffer_size = -1;
}
break;
default:
@ -360,65 +336,34 @@ gst_mim_dec_change_state (GstElement * element, GstStateChange transition)
}
static gboolean
gst_mim_dec_sink_event (GstPad * pad, GstEvent * event)
gst_mim_dec_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res = TRUE;
GstMimDec *mimdec = GST_MIM_DEC (gst_pad_get_parent (pad));
gboolean forward = TRUE;
GstMimDec *mimdec = GST_MIM_DEC (parent);
/*
* Ignore upstream newsegment event, its EVIL, we should implement
* Ignore upstream segment event, its EVIL, we should implement
* proper seeking instead
*/
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
GstFormat format;
gdouble rate, arate;
gint64 start, stop, time;
gst_event_parse_new_segment_full (event, &update, &rate, &arate,
&format, &start, &stop, &time);
/* we need TIME and a positive rate */
if (format != GST_FORMAT_TIME)
goto newseg_wrong_format;
if (rate <= 0.0)
goto newseg_wrong_rate;
mimdec->need_newsegment = FALSE;
case GST_EVENT_SEGMENT:
forward = FALSE;
break;
}
case GST_EVENT_STREAM_START:
case GST_EVENT_FLUSH_STOP:
mimdec->need_newsegment = TRUE;
case GST_EVENT_EOS:
mimdec->need_segment = FALSE;
gst_adapter_clear (mimdec->adapter);
break;
default:
break;
}
res = gst_pad_push_event (mimdec->srcpad, event);
done:
gst_object_unref (mimdec);
if (forward)
res = gst_pad_event_default (pad, parent, event);
else
gst_event_unref (event);
return res;
newseg_wrong_format:
{
GST_DEBUG_OBJECT (mimdec, "received non TIME newsegment");
gst_event_unref (event);
goto done;
}
newseg_wrong_rate:
{
GST_DEBUG_OBJECT (mimdec, "negative rates not supported yet");
gst_event_unref (event);
goto done;
}
}

2
ext/mimic/gstmimdec.h
View file

@ -51,7 +51,7 @@ struct _GstMimDec
GstAdapter *adapter;
MimCtx *dec;
gint buffer_size;
gboolean need_newsegment;
gboolean need_segment;
};
struct _GstMimDecClass

308
ext/mimic/gstmimenc.c
View file

@ -67,24 +67,13 @@ enum
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw-rgb, "
"bpp = (int) 24, "
"depth = (int) 24, "
"endianness = (int) 4321, "
GST_STATIC_CAPS ("video/x-raw, format = (string) \"RGB\", "
"framerate = (fraction) [1/1, 30/1], "
"red_mask = (int) 16711680, "
"green_mask = (int) 65280, "
"blue_mask = (int) 255, "
"width = (int) 320, "
"height = (int) 240"
";video/x-raw-rgb, "
"bpp = (int) 24, "
"depth = (int) 24, "
"endianness = (int) 4321, "
"height = (int) 240;"
"video/x-raw, format = (string) \"RGB\", "
"framerate = (fraction) [1/1, 30/1], "
"red_mask = (int) 16711680, "
"green_mask = (int) 65280, "
"blue_mask = (int) 255, " "width = (int) 160, " "height = (int) 120")
"width = (int) 160, " "height = (int) 120")
);
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
@ -94,11 +83,13 @@ static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
);
static gboolean gst_mim_enc_setcaps (GstPad * pad, GstCaps * caps);
static GstFlowReturn gst_mim_enc_chain (GstPad * pad, GstBuffer * in);
static void gst_mim_enc_create_tcp_header (GstMimEnc * mimenc, GstBuffer * buf,
guint32 payload_size, gboolean keyframe, gboolean paused);
static gboolean gst_mim_enc_event (GstPad * pad, GstEvent * event);
static gboolean gst_mim_enc_setcaps (GstMimEnc * mimenc, GstCaps * caps);
static GstFlowReturn gst_mim_enc_chain (GstPad * pad, GstObject * parent,
GstBuffer * in);
static void gst_mim_enc_create_tcp_header (GstMimEnc * mimenc, guint8 * p,
guint32 payload_size, GstClockTime ts, gboolean keyframe, gboolean paused);
static gboolean gst_mim_enc_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static GstStateChangeReturn
gst_mim_enc_change_state (GstElement * element, GstStateChange transition);
@ -108,28 +99,34 @@ static void gst_mim_enc_set_property (GObject * object, guint prop_id,
static void gst_mim_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
GST_BOILERPLATE (GstMimEnc, gst_mim_enc, GstElement, GST_TYPE_ELEMENT);
G_DEFINE_TYPE (GstMimEnc, gst_mim_enc, GST_TYPE_ELEMENT);
static void
gst_mim_enc_base_init (gpointer klass)
gst_mim_enc_class_init (GstMimEncClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = gst_mim_enc_set_property;
gobject_class->get_property = gst_mim_enc_get_property;
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_mim_enc_change_state);
GST_DEBUG_CATEGORY_INIT (mimenc_debug, "mimenc", 0, "Mimic encoder plugin");
g_object_class_install_property (gobject_class, PROP_PAUSED_MODE,
g_param_spec_boolean ("paused-mode", "Paused mode",
"If enabled, empty frames will be generated every 4 seconds"
" when no data is received",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_pad_template (element_class,
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_factory));
gst_element_class_set_details_simple (element_class,
gst_element_class_set_details_simple (gstelement_class,
"Mimic Encoder",
"Codec/Encoder/Video",
"MSN Messenger compatible Mimic video encoder element",
@ -138,34 +135,22 @@ gst_mim_enc_base_init (gpointer klass)
}
static void
gst_mim_enc_class_init (GstMimEncClass * klass)
{
GstElementClass *gstelement_class;
gstelement_class = (GstElementClass *) klass;
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_mim_enc_change_state);
GST_DEBUG_CATEGORY_INIT (mimenc_debug, "mimenc", 0, "Mimic encoder plugin");
}
static void
gst_mim_enc_init (GstMimEnc * mimenc, GstMimEncClass * klass)
gst_mim_enc_init (GstMimEnc * mimenc)
{
mimenc->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
gst_element_add_pad (GST_ELEMENT (mimenc), mimenc->sinkpad);
gst_pad_set_setcaps_function (mimenc->sinkpad,
GST_DEBUG_FUNCPTR (gst_mim_enc_setcaps));
gst_pad_set_chain_function (mimenc->sinkpad,
GST_DEBUG_FUNCPTR (gst_mim_enc_chain));
gst_pad_set_event_function (mimenc->sinkpad,
GST_DEBUG_FUNCPTR (gst_mim_enc_event));
gst_element_add_pad (GST_ELEMENT (mimenc), mimenc->sinkpad);
mimenc->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_pad_use_fixed_caps (mimenc->srcpad);
gst_element_add_pad (GST_ELEMENT (mimenc), mimenc->srcpad);
mimenc->enc = NULL;
gst_segment_init (&mimenc->segment, GST_FORMAT_UNDEFINED);
gst_segment_init (&mimenc->segment, GST_FORMAT_TIME);
mimenc->res = MIMIC_RES_HIGH;
mimenc->buffer_size = -1;
@ -213,145 +198,148 @@ gst_mim_enc_get_property (GObject * object, guint prop_id,
}
}
static gboolean
gst_mim_enc_setcaps (GstPad * pad, GstCaps * caps)
static void
gst_mim_enc_reset_locked (GstMimEnc * mimenc)
{
GstMimEnc *mimenc;
GstStructure *structure;
int ret = TRUE, height, width;
if (mimenc->enc != NULL) {
mimic_close (mimenc->enc);
mimenc->enc = NULL;
mimenc->buffer_size = -1;
mimenc->frames = 0;
mimenc->width = 0;
mimenc->height = 0;
}
}
mimenc = GST_MIM_ENC (gst_pad_get_parent (pad));
g_return_val_if_fail (mimenc != NULL, FALSE);
g_return_val_if_fail (GST_IS_MIM_ENC (mimenc), FALSE);
static void
gst_mim_enc_reset (GstMimEnc * mimenc)
{
GST_OBJECT_LOCK (mimenc);
gst_mim_enc_reset_locked (mimenc);
GST_OBJECT_UNLOCK (mimenc);
}
static gboolean
gst_mim_enc_setcaps (GstMimEnc * mimenc, GstCaps * caps)
{
GstStructure *structure;
int height, width;
gboolean ret = FALSE;
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_int (structure, "width", &width);
if (!ret) {
if (!gst_structure_get_int (structure, "width", &width)) {
GST_DEBUG_OBJECT (mimenc, "No width set");
goto out;
return FALSE;
}
ret = gst_structure_get_int (structure, "height", &height);
if (!ret) {
if (!gst_structure_get_int (structure, "height", &height)) {
GST_DEBUG_OBJECT (mimenc, "No height set");
goto out;
return FALSE;
}
GST_OBJECT_LOCK (mimenc);
if (mimenc->width == width && mimenc->height == height) {
ret = TRUE;
goto out;
}
if (width == 320 && height == 240)
mimenc->res = MIMIC_RES_HIGH;
else if (width == 160 && height == 120)
mimenc->res = MIMIC_RES_LOW;
else {
GST_WARNING_OBJECT (mimenc, "Invalid resolution %dx%d", width, height);
ret = FALSE;
GST_OBJECT_UNLOCK (mimenc);
goto out;
}
gst_mim_enc_reset_locked (mimenc);
mimenc->width = (guint16) width;
mimenc->height = (guint16) height;
GST_DEBUG_OBJECT (mimenc, "Got info from caps w : %d, h : %d",
mimenc->width, mimenc->height);
mimenc->enc = mimic_open ();
if (!mimenc->enc) {
GST_ERROR_OBJECT (mimenc, "mimic_open failed");
goto out;
}
if (!mimic_encoder_init (mimenc->enc, mimenc->res)) {
GST_ERROR_OBJECT (mimenc, "mimic_encoder_init error");
ret = FALSE;
GST_OBJECT_UNLOCK (mimenc);
goto out;
}
if (!mimic_get_property (mimenc->enc, "buffer_size", &mimenc->buffer_size)) {
GST_ERROR_OBJECT (mimenc, "mimic_get_property(buffer_size) error");
ret = FALSE;
}
GST_OBJECT_UNLOCK (mimenc);
ret = TRUE;
out:
gst_object_unref (mimenc);
GST_OBJECT_UNLOCK (mimenc);
return ret;
}
static GstFlowReturn
gst_mim_enc_chain (GstPad * pad, GstBuffer * in)
gst_mim_enc_chain (GstPad * pad, GstObject * parent, GstBuffer * in)
{
GstMimEnc *mimenc;
GstBuffer *out_buf = NULL, *buf = NULL;
guchar *data;
gint buffer_size;
GstMimEnc *mimenc = GST_MIM_ENC (parent);
GstBuffer *out = NULL;
GstMapInfo in_map;
GstMapInfo out_map;
GstFlowReturn res = GST_FLOW_OK;
GstEvent *event = NULL;
gboolean keyframe;
g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
mimenc = GST_MIM_ENC (gst_pad_get_parent (pad));
g_return_val_if_fail (GST_IS_MIM_ENC (mimenc), GST_FLOW_ERROR);
gint buffer_size;
GST_OBJECT_LOCK (mimenc);
if (mimenc->segment.format == GST_FORMAT_UNDEFINED) {
GST_WARNING_OBJECT (mimenc, "No new-segment received,"
" initializing segment with time 0..-1");
gst_segment_init (&mimenc->segment, GST_FORMAT_TIME);
gst_segment_set_newsegment (&mimenc->segment,
FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
}
if (mimenc->enc == NULL) {
}
gst_buffer_map (in, &in_map, GST_MAP_READ);
buf = in;
data = GST_BUFFER_DATA (buf);
out_buf = gst_buffer_new_and_alloc (mimenc->buffer_size + TCP_HEADER_SIZE);
GST_BUFFER_TIMESTAMP (out_buf) =
out = gst_buffer_new_and_alloc (mimenc->buffer_size + TCP_HEADER_SIZE);
gst_buffer_map (out, &out_map, GST_MAP_READWRITE);
GST_BUFFER_TIMESTAMP (out) =
gst_segment_to_running_time (&mimenc->segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (buf));
mimenc->last_buffer = GST_BUFFER_TIMESTAMP (out_buf);
GST_BUFFER_TIMESTAMP (in));
mimenc->last_buffer = GST_BUFFER_TIMESTAMP (out);
buffer_size = mimenc->buffer_size;
keyframe = (mimenc->frames % MAX_INTERFRAMES) == 0 ? TRUE : FALSE;
if (!mimic_encode_frame (mimenc->enc, data,
GST_BUFFER_DATA (out_buf) + TCP_HEADER_SIZE, &buffer_size,
keyframe)) {
gst_buffer_unref (out_buf);
gst_buffer_unref (buf);
if (!mimic_encode_frame (mimenc->enc, in_map.data,
out_map.data + TCP_HEADER_SIZE, &buffer_size, keyframe)) {
gst_buffer_unmap (in, &in_map);
gst_buffer_unmap (out, &out_map);
gst_buffer_unref (out);
GST_ELEMENT_ERROR (mimenc, STREAM, ENCODE, (NULL),
("mimic_encode_frame error"));
res = GST_FLOW_ERROR;
goto out_unlock;
}
if (!keyframe)
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
gst_buffer_unmap (in, &in_map);
if (!keyframe)
GST_BUFFER_FLAG_SET (out, GST_BUFFER_FLAG_DELTA_UNIT);
GST_BUFFER_SIZE (out_buf) = buffer_size + TCP_HEADER_SIZE;
GST_LOG_OBJECT (mimenc, "incoming buf size %d, encoded size %d",
GST_BUFFER_SIZE (buf), GST_BUFFER_SIZE (out_buf));
gst_buffer_get_size (in), gst_buffer_get_size (out));
++mimenc->frames;
/* now let's create that tcp header */
gst_mim_enc_create_tcp_header (mimenc, out_buf, buffer_size, keyframe, FALSE);
gst_mim_enc_create_tcp_header (mimenc, out_map.data, buffer_size,
GST_BUFFER_TIMESTAMP (out), keyframe, FALSE);
if (mimenc->need_newsegment) {
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
mimenc->need_newsegment = FALSE;
}
gst_buffer_unmap (out, &out_map);
gst_buffer_resize (out, 0, buffer_size + TCP_HEADER_SIZE);
GST_OBJECT_UNLOCK (mimenc);
if (event) {
if (!gst_pad_push_event (mimenc->srcpad, event))
GST_WARNING_OBJECT (mimenc, "Failed to push NEWSEGMENT event");
}
res = gst_pad_push (mimenc->srcpad, out_buf);
res = gst_pad_push (mimenc->srcpad, out);
out:
if (buf)
gst_buffer_unref (buf);
gst_object_unref (mimenc);
gst_buffer_unref (in);
return res;
@ -361,12 +349,9 @@ out_unlock:
}
static void
gst_mim_enc_create_tcp_header (GstMimEnc * mimenc, GstBuffer * buf,
guint32 payload_size, gboolean keyframe, gboolean paused)
gst_mim_enc_create_tcp_header (GstMimEnc * mimenc, guint8 * p,
guint32 payload_size, GstClockTime ts, gboolean keyframe, gboolean paused)
{
/* 24 bytes */
guchar *p = (guchar *) GST_BUFFER_DATA (buf);
p[0] = 24;
p[1] = paused ? 1 : 0;
GST_WRITE_UINT16_LE (p + 2, mimenc->width);
@ -376,66 +361,55 @@ gst_mim_enc_create_tcp_header (GstMimEnc * mimenc, GstBuffer * buf,
GST_WRITE_UINT32_LE (p + 12, paused ? 0 :
GST_MAKE_FOURCC ('M', 'L', '2', '0'));
GST_WRITE_UINT32_LE (p + 16, 0);
GST_WRITE_UINT32_LE (p + 20, GST_BUFFER_TIMESTAMP (buf) / GST_MSECOND);
GST_WRITE_UINT32_LE (p + 20, ts / GST_MSECOND);
}
static gboolean
gst_mim_enc_event (GstPad * pad, GstEvent * event)
gst_mim_enc_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstMimEnc *mimenc = GST_MIM_ENC (gst_pad_get_parent (pad));
GstMimEnc *mimenc = GST_MIM_ENC (parent);
gboolean ret = TRUE;
gboolean forward = TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:
case GST_EVENT_EOS:
gst_mim_enc_reset (mimenc);
break;
case GST_EVENT_CAPS:
{
GstFormat format;
gdouble rate, arate;
gint64 start, stop, time;
gboolean update;
GstCaps *caps;
gst_event_parse_caps (event, &caps);
gst_event_parse_new_segment_full (event, &update, &rate, &arate,
&format, &start, &stop, &time);
ret = gst_mim_enc_setcaps (mimenc, caps);
forward = FALSE;
break;
}
case GST_EVENT_SEGMENT:
{
gst_event_copy_segment (event, &mimenc->segment);
/* we need time for now */
if (format != GST_FORMAT_TIME)
if (mimenc->segment.format != GST_FORMAT_TIME)
goto newseg_wrong_format;
GST_DEBUG_OBJECT (mimenc,
"newsegment: update %d, rate %g, arate %g, start %" GST_TIME_FORMAT
", stop %" GST_TIME_FORMAT ", time %" GST_TIME_FORMAT,
update, rate, arate, GST_TIME_ARGS (start), GST_TIME_ARGS (stop),
GST_TIME_ARGS (time));
/* now configure the values, we need these to time the release of the
* buffers on the srcpad. */
GST_OBJECT_LOCK (mimenc);
gst_segment_set_newsegment_full (&mimenc->segment, update,
rate, arate, format, start, stop, time);
GST_OBJECT_UNLOCK (mimenc);
forward = FALSE;
break;
}
break;
case GST_EVENT_FLUSH_STOP:
GST_OBJECT_LOCK (mimenc);
gst_segment_init (&mimenc->segment, GST_FORMAT_UNDEFINED);
mimenc->need_newsegment = TRUE;
GST_OBJECT_UNLOCK (mimenc);
break;
default:
break;
}
if (forward)
ret = gst_pad_push_event (mimenc->srcpad, event);
ret = gst_pad_event_default (pad, parent, event);
else
gst_event_unref (event);
done:
gst_object_unref (mimenc);
return ret;
@ -478,27 +452,21 @@ paused_mode_task (gpointer data)
if (diff > 3.95 * GST_SECOND) {
GstBuffer *buffer;
GstEvent *event = NULL;
GstMapInfo out_map;
buffer = gst_buffer_new_and_alloc (TCP_HEADER_SIZE);
gst_buffer_map (buffer, &out_map, GST_MAP_WRITE);
GST_BUFFER_TIMESTAMP (buffer) = mimenc->last_buffer + PAUSED_MODE_INTERVAL;
gst_mim_enc_create_tcp_header (mimenc, buffer, 0, FALSE, TRUE);
gst_mim_enc_create_tcp_header (mimenc, out_map.data, 0,
GST_BUFFER_TIMESTAMP (buffer), FALSE, TRUE);
gst_buffer_unmap (buffer, &out_map);
mimenc->last_buffer += PAUSED_MODE_INTERVAL;
if (mimenc->need_newsegment) {
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
mimenc->need_newsegment = FALSE;
}
GST_OBJECT_UNLOCK (mimenc);
GST_LOG_OBJECT (mimenc, "Haven't had an incoming buffer in 4 seconds,"
" sending out a pause frame");
if (event) {
if (!gst_pad_push_event (mimenc->srcpad, event))
GST_WARNING_OBJECT (mimenc, "Failed to push NEWSEGMENT event");
}
ret = gst_pad_push (mimenc->srcpad, buffer);
if (ret < 0) {
GST_WARNING_OBJECT (mimenc, "Error pushing paused header: %s",
@ -545,18 +513,12 @@ gst_mim_enc_change_state (GstElement * element, GstStateChange transition)
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
mimenc->enc = mimic_open ();
if (!mimenc) {
GST_ERROR_OBJECT (mimenc, "mimic_open failed");
return GST_STATE_CHANGE_FAILURE;
}
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
GST_OBJECT_LOCK (mimenc);
gst_segment_init (&mimenc->segment, GST_FORMAT_UNDEFINED);
mimenc->last_buffer = GST_CLOCK_TIME_NONE;
mimenc->need_newsegment = TRUE;
GST_OBJECT_UNLOCK (mimenc);
break;
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
@ -573,7 +535,8 @@ gst_mim_enc_change_state (GstElement * element, GstStateChange transition)
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
ret = GST_ELEMENT_CLASS (gst_mim_enc_parent_class)->change_state (element,
transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
@ -605,14 +568,7 @@ gst_mim_enc_change_state (GstElement * element, GstStateChange transition)
}
break;
case GST_STATE_CHANGE_READY_TO_NULL:
GST_OBJECT_LOCK (element);
if (mimenc->enc != NULL) {
mimic_close (mimenc->enc);
mimenc->enc = NULL;
mimenc->buffer_size = -1;
mimenc->frames = 0;
}
GST_OBJECT_UNLOCK (element);
gst_mim_enc_reset (mimenc);
break;
default:

1
ext/mimic/gstmimenc.h
View file

@ -57,7 +57,6 @@ struct _GstMimEnc
gboolean paused_mode;
GstSegment segment;
gboolean need_newsegment;
GstClockTime last_buffer;
GstClockID clock_id;
gboolean stop_paused_mode;