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Ported sidplay.

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Original commit message from CVS:
* configure.ac:
* ext/sidplay/gstsiddec.cc:
* ext/sidplay/gstsiddec.h:
Ported sidplay.
This commit is contained in:
Wim Taymans 2005-05-06 17:24:44 +00:00
parent 8493bcee4f
commit 9c1aaafba4
4 changed files with 172 additions and 104 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2005-05-06 Wim Taymans <wim@fluendo.com>
* configure.ac:
* ext/sidplay/gstsiddec.cc:
* ext/sidplay/gstsiddec.h:
Ported sidplay.
2005-05-06 Christian Schaller <uraeus@gnome.org>
* configure.ac:

10
configure.ac
View file

@ -295,7 +295,8 @@ dnl these are all the gst plug-ins, compilable without additional libs
GST_PLUGINS_ALL="\
videofilter \
effectv \
law"
law \
sidplay"
dnl see if we can build C++ plug-ins
if test "x$HAVE_CXX" = "xyes"; then
@ -348,6 +349,12 @@ dnl ])
dnl ])
dnl ])
dnl *** sidplay : works with libsidplay 1.36.x (not 2.x.x) ***
translit(dnm, m, l) AM_CONDITIONAL(USE_SIDPLAY, true)
GST_CHECK_FEATURE(SIDPLAY, [sidplay plug-in], sidplay, [
GST_PATH_SIDPLAY()
])
dnl *** mad ***
dnl FIXME: we could use header checks here as well IMO
translit(dnm, m, l) AM_CONDITIONAL(USE_MAD, true)
@ -431,6 +438,7 @@ gst/videofilter/Makefile
sys/Makefile
ext/Makefile
ext/mad/Makefile
ext/sidplay/Makefile
common/Makefile
common/m4/Makefile
m4/Makefile

210
ext/sidplay/gstsiddec.cc
View file

@ -68,12 +68,6 @@ static GstStaticPadTemplate src_templ = GST_STATIC_PAD_TEMPLATE ("src",
"rate = (int) [ 8000, 48000 ], " "channels = (int) [ 1, 2 ]")
);
enum
{
SID_STATE_NEED_TUNE = 1,
SID_STATE_LOAD_TUNE = 2,
SID_STATE_PLAY_TUNE = 3
};
#define GST_TYPE_SID_CLOCK (gst_sid_clock_get_type())
static GType
@ -114,7 +108,8 @@ static void gst_siddec_base_init (gpointer g_class);
static void gst_siddec_class_init (GstSidDec * klass);
static void gst_siddec_init (GstSidDec * siddec);
static void gst_siddec_loop (GstElement * element);
static GstFlowReturn gst_siddec_chain (GstPad * pad, GstBuffer * buffer);
static gboolean gst_siddec_sink_event (GstPad * pad, GstEvent * event);
static gboolean gst_siddec_src_convert (GstPad * pad, GstFormat src_format,
gint64 src_value, GstFormat * dest_format, gint64 * dest_value);
@ -187,6 +182,9 @@ gst_siddec_class_init (GstSidDec * klass)
parent_class = GST_ELEMENT_CLASS (g_type_class_ref (GST_TYPE_ELEMENT));
gobject_class->set_property = gst_siddec_set_property;
gobject_class->get_property = gst_siddec_get_property;
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TUNE,
g_param_spec_int ("tune", "tune", "tune",
1, 100, 1, (GParamFlags) G_PARAM_READWRITE));
@ -216,9 +214,6 @@ gst_siddec_class_init (GstSidDec * klass)
g_object_class_install_property (gobject_class, ARG_METADATA,
g_param_spec_boxed ("metadata", "Metadata", "Metadata", GST_TYPE_CAPS,
(GParamFlags) G_PARAM_READABLE));
gobject_class->set_property = gst_siddec_set_property;
gobject_class->get_property = gst_siddec_get_property;
}
static void
@ -227,9 +222,11 @@ gst_siddec_init (GstSidDec * siddec)
siddec->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get (&sink_templ),
"sink");
gst_element_add_pad (GST_ELEMENT (siddec), siddec->sinkpad);
gst_pad_set_query_function (siddec->sinkpad, NULL);
gst_pad_set_convert_function (siddec->sinkpad, NULL);
gst_pad_set_event_function (siddec->sinkpad, gst_siddec_sink_event);
gst_pad_set_chain_function (siddec->sinkpad, gst_siddec_chain);
gst_element_add_pad (GST_ELEMENT (siddec), siddec->sinkpad);
siddec->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get (&src_templ),
@ -239,8 +236,6 @@ gst_siddec_init (GstSidDec * siddec)
gst_pad_set_query_function (siddec->srcpad, gst_siddec_src_query);
gst_element_add_pad (GST_ELEMENT (siddec), siddec->srcpad);
gst_element_set_loop_function (GST_ELEMENT (siddec), gst_siddec_loop);
siddec->engine = new emuEngine ();
siddec->tune = new sidTune (0);
siddec->config = (emuConfig *) g_malloc (sizeof (emuConfig));
@ -267,7 +262,6 @@ gst_siddec_init (GstSidDec * siddec)
siddec->engine->setConfig (*siddec->config);
siddec->engine->setDefaultFilterStrength ();
siddec->state = SID_STATE_NEED_TUNE;
siddec->tune_buffer = (guchar *) g_malloc (maxSidtuneFileLen);
siddec->tune_len = 0;
siddec->tune_number = 1;
@ -358,16 +352,14 @@ siddec_negotiate (GstSidDec * siddec)
siddec->config->sampleFormat =
(sign ? SIDEMU_SIGNED_PCM : SIDEMU_UNSIGNED_PCM);
if (!gst_pad_try_set_caps (siddec->srcpad,
gst_pad_set_caps (siddec->srcpad,
gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, sign,
"width", G_TYPE_INT, siddec->config->bitsPerSample,
"depth", G_TYPE_INT, siddec->config->bitsPerSample,
"rate", G_TYPE_INT, siddec->config->frequency,
"channels", G_TYPE_INT, siddec->config->channels, NULL))) {
return FALSE;
}
"channels", G_TYPE_INT, siddec->config->channels, NULL));
siddec->engine->setConfig (*siddec->config);
@ -375,70 +367,19 @@ siddec_negotiate (GstSidDec * siddec)
}
static void
gst_siddec_loop (GstElement * element)
play_loop (GstPad * pad)
{
GstFlowReturn ret;
GstSidDec *siddec;
siddec = GST_SIDDEC (element);
if (siddec->state == SID_STATE_NEED_TUNE) {
GstData *data = gst_pad_pull (siddec->sinkpad);
g_assert (data != NULL);
if (GST_IS_EVENT (data)) {
GstEvent *event = GST_EVENT (data);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
siddec->state = SID_STATE_LOAD_TUNE;
break;
case GST_EVENT_DISCONTINUOUS:
break;
default:
// bail out, we're not going to do anything
gst_event_unref (event);
gst_pad_send_event (siddec->srcpad, gst_event_new (GST_EVENT_EOS));
gst_element_set_eos (element);
return;
}
gst_event_unref (event);
} else {
GstBuffer *buf = GST_BUFFER (data);
memcpy (siddec->tune_buffer + siddec->tune_len, GST_BUFFER_DATA (buf),
GST_BUFFER_SIZE (buf));
siddec->tune_len += GST_BUFFER_SIZE (buf);
gst_buffer_unref (buf);
}
}
if (siddec->state == SID_STATE_LOAD_TUNE) {
if (!siddec->tune->load (siddec->tune_buffer, siddec->tune_len)) {
GST_ELEMENT_ERROR (siddec, LIBRARY, TOO_LAZY, (NULL), (NULL));
return;
}
//update_metadata (siddec);
if (!siddec_negotiate (siddec)) {
GST_ELEMENT_ERROR (siddec, CORE, NEGOTIATION, (NULL), (NULL));
return;
}
if (!sidEmuInitializeSong (*siddec->engine, *siddec->tune,
siddec->tune_number)) {
GST_ELEMENT_ERROR (siddec, LIBRARY, TOO_LAZY, (NULL), (NULL));
return;
}
siddec->state = SID_STATE_PLAY_TUNE;
}
if (siddec->state == SID_STATE_PLAY_TUNE) {
GstBuffer *out;
GstFormat format;
gint64 value, offset, time;
siddec = GST_SIDDEC (GST_PAD_PARENT (pad));
GST_STREAM_LOCK (pad);
out = gst_buffer_new_and_alloc (siddec->blocksize);
gst_buffer_set_caps (out, GST_PAD_CAPS (pad));
sidEmuFillBuffer (*siddec->engine, *siddec->tune,
GST_BUFFER_DATA (out), GST_BUFFER_SIZE (out));
@ -465,7 +406,120 @@ gst_siddec_loop (GstElement * element)
gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &value);
GST_BUFFER_DURATION (out) = value - time;
gst_pad_push (siddec->srcpad, GST_DATA (out));
if ((ret = gst_pad_push (siddec->srcpad, out)) != GST_FLOW_OK)
goto pause;
GST_STREAM_UNLOCK (pad);
return;
pause:
{
gst_task_pause (GST_RPAD_TASK (pad));
GST_STREAM_UNLOCK (pad);
}
}
static gboolean
start_play_tune (GstSidDec * siddec)
{
gboolean res;
if (!siddec->tune->load (siddec->tune_buffer, siddec->tune_len))
goto could_not_load;
//update_metadata (siddec);
if (!siddec_negotiate (siddec))
goto could_not_negotiate;
if (!sidEmuInitializeSong (*siddec->engine, *siddec->tune,
siddec->tune_number))
goto could_not_init;
if (GST_ELEMENT_SCHEDULER (siddec)) {
GST_STREAM_LOCK (siddec->srcpad);
GST_RPAD_TASK (siddec->srcpad) =
gst_scheduler_create_task (GST_ELEMENT_SCHEDULER (siddec),
(GstTaskFunction) play_loop, siddec->srcpad);
gst_task_start (GST_RPAD_TASK (siddec->srcpad));
GST_STREAM_UNLOCK (siddec->srcpad);
res = TRUE;
}
return res;
/* ERRORS */
could_not_load:
{
GST_ELEMENT_ERROR (siddec, LIBRARY, TOO_LAZY, (NULL), (NULL));
return FALSE;
}
could_not_negotiate:
{
GST_ELEMENT_ERROR (siddec, CORE, NEGOTIATION, (NULL), (NULL));
return FALSE;
}
could_not_init:
{
GST_ELEMENT_ERROR (siddec, LIBRARY, TOO_LAZY, (NULL), (NULL));
return FALSE;
}
}
static gboolean
gst_siddec_sink_event (GstPad * pad, GstEvent * event)
{
GstSidDec *siddec;
gboolean res;
siddec = GST_SIDDEC (GST_PAD_PARENT (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
GST_STREAM_LOCK (pad);
res = start_play_tune (siddec);
GST_STREAM_UNLOCK (pad);
break;
case GST_EVENT_DISCONTINUOUS:
res = FALSE;
break;
default:
res = FALSE;
break;
}
gst_event_unref (event);
return res;
}
static GstFlowReturn
gst_siddec_chain (GstPad * pad, GstBuffer * buffer)
{
GstSidDec *siddec;
guint64 size;
siddec = GST_SIDDEC (GST_PAD_PARENT (pad));
size = GST_BUFFER_SIZE (buffer);
if (siddec->tune_len + size > maxSidtuneFileLen)
goto overflow;
GST_STREAM_LOCK (pad);
memcpy (siddec->tune_buffer + siddec->tune_len, GST_BUFFER_DATA (buffer),
size);
siddec->tune_len += size;
GST_STREAM_UNLOCK (pad);
gst_buffer_unref (buffer);
return GST_FLOW_OK;
overflow:
{
return GST_FLOW_ERROR;
}
}
@ -478,7 +532,7 @@ gst_siddec_src_convert (GstPad * pad, GstFormat src_format, gint64 src_value,
GstSidDec *siddec;
gint bytes_per_sample;
siddec = GST_SIDDEC (gst_pad_get_parent (pad));
siddec = GST_SIDDEC (GST_PAD_PARENT (pad));
bytes_per_sample =
(siddec->config->bitsPerSample >> 3) * siddec->config->channels;
@ -545,7 +599,7 @@ gst_siddec_src_query (GstPad * pad, GstQueryType type,
gboolean res = TRUE;
GstSidDec *siddec;
siddec = GST_SIDDEC (gst_pad_get_parent (pad));
siddec = GST_SIDDEC (GST_PAD_PARENT (pad));
switch (type) {
case GST_QUERY_POSITION:

1
ext/sidplay/gstsiddec.h
View file

@ -50,7 +50,6 @@ struct _GstSidDec {
GstPad *sinkpad,
*srcpad;
gint state;
guchar *tune_buffer;
gint tune_len;
gint tune_number;