From 15c52996c2563871b3d3340c37f5a7e009cd01e2 Mon Sep 17 00:00:00 2001 From: Thomas Vander Stichele Date: Mon, 21 Nov 2005 19:50:25 +0000 Subject: port cutter Original commit message from CVS: * configure.ac: * gst/cutter/Makefile.am: * gst/cutter/gstcutter.c: (gst_cutter_class_init), (gst_cutter_init), (gst_cutter_message_new), (gst_cutter_chain), (gst_cutter_set_property), (gst_cutter_get_property), (plugin_init), (gst_cutter_get_caps): port cutter * gst/level/gstlevel.c: fix up plugin details --- gst/cutter/Makefile.am | 5 +- gst/cutter/gstcutter.c | 267 ++++++++++++++++++++++--------------------------- 2 files changed, 119 insertions(+), 153 deletions(-) (limited to 'gst/cutter') diff --git a/gst/cutter/Makefile.am b/gst/cutter/Makefile.am index e88ef155..0d93b29d 100644 --- a/gst/cutter/Makefile.am +++ b/gst/cutter/Makefile.am @@ -1,9 +1,8 @@ - plugin_LTLIBRARIES = libgstcutter.la libgstcutter_la_SOURCES = gstcutter.c -libgstcutter_la_CFLAGS = $(GST_CFLAGS) -libgstcutter_la_LIBADD = $(GST_LIBS) +libgstcutter_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS) +libgstcutter_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_MAJORMINOR) $(GST_BASE_LIBS) libgstcutter_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) noinst_HEADERS = gstcutter.h filter.func diff --git a/gst/cutter/gstcutter.c b/gst/cutter/gstcutter.c index 05ae543d..78f35a82 100644 --- a/gst/cutter/gstcutter.c +++ b/gst/cutter/gstcutter.c @@ -1,5 +1,7 @@ /* GStreamer * Copyright (C) <1999> Erik Walthinsen + * Copyright (C) 2002,2003,2005 + * Thomas Vander Stichele * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public @@ -25,7 +27,14 @@ #include "gstcutter.h" #include "math.h" -/* elementfactory information */ +GST_DEBUG_CATEGORY (cutter_debug); +#define GST_CAT_DEFAULT cutter_debug + + +#define CUTTER_DEFAULT_THRESHOLD_LEVEL 0.1 +#define CUTTER_DEFAULT_THRESHOLD_LENGTH (500 * GST_MSECOND) +#define CUTTER_DEFAULT_PRE_LENGTH (200 * GST_MSECOND) + static GstElementDetails cutter_details = { "Cutter", "Filter/Editor/Audio", @@ -33,26 +42,6 @@ static GstElementDetails cutter_details = { "Thomas ", }; - -/* Filter signals and args */ -enum -{ - /* FILL ME */ - CUT_START, - CUT_STOP, - LAST_SIGNAL -}; - -enum -{ - ARG_0, - ARG_THRESHOLD, - ARG_THRESHOLD_DB, - ARG_RUN_LENGTH, - ARG_PRE_LENGTH, - ARG_LEAKY -}; - static GstStaticPadTemplate cutter_src_factory = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, @@ -68,46 +57,29 @@ static GstStaticPadTemplate cutter_sink_factory = GST_AUDIO_FLOAT_PAD_TEMPLATE_CAPS) ); -static void gst_cutter_base_init (gpointer g_class); -static void gst_cutter_class_init (GstCutterClass * klass); -static void gst_cutter_init (GstCutter * filter); +enum +{ + PROP_0, + PROP_THRESHOLD, + PROP_THRESHOLD_DB, + PROP_RUN_LENGTH, + PROP_PRE_LENGTH, + PROP_LEAKY +}; + +GST_BOILERPLATE (GstCutter, gst_cutter, GstElement, GST_TYPE_ELEMENT); static void gst_cutter_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_cutter_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); -static void gst_cutter_chain (GstPad * pad, GstData * _data); +static GstFlowReturn gst_cutter_chain (GstPad * pad, GstBuffer * buffer); static double inline gst_cutter_16bit_ms (gint16 * data, guint numsamples); static double inline gst_cutter_8bit_ms (gint8 * data, guint numsamples); void gst_cutter_get_caps (GstPad * pad, GstCutter * filter); -static GstElementClass *parent_class = NULL; -static guint gst_cutter_signals[LAST_SIGNAL] = { 0 }; - - -GType -gst_cutter_get_type (void) -{ - static GType cutter_type = 0; - - if (!cutter_type) { - static const GTypeInfo cutter_info = { - sizeof (GstCutterClass), - gst_cutter_base_init, - NULL, - (GClassInitFunc) gst_cutter_class_init, NULL, NULL, - sizeof (GstCutter), 0, - (GInstanceInitFunc) gst_cutter_init, - }; - - cutter_type = g_type_register_static (GST_TYPE_ELEMENT, "GstCutter", - &cutter_info, 0); - } - return cutter_type; -} - static void gst_cutter_base_init (gpointer g_class) { @@ -120,20 +92,6 @@ gst_cutter_base_init (gpointer g_class) gst_element_class_set_details (element_class, &cutter_details); } -static GstPadLinkReturn -gst_cutter_link (GstPad * pad, const GstCaps * caps) -{ - GstCutter *filter; - GstPad *otherpad; - - filter = GST_CUTTER (gst_pad_get_parent (pad)); - g_return_val_if_fail (filter != NULL, GST_PAD_LINK_REFUSED); - g_return_val_if_fail (GST_IS_CUTTER (filter), GST_PAD_LINK_REFUSED); - otherpad = (pad == filter->srcpad ? filter->sinkpad : filter->srcpad); - - return gst_pad_try_set_caps (otherpad, caps); -} - static void gst_cutter_class_init (GstCutterClass * klass) { @@ -143,46 +101,35 @@ gst_cutter_class_init (GstCutterClass * klass) gobject_class = (GObjectClass *) klass; gstelement_class = (GstElementClass *) klass; - parent_class = g_type_class_ref (GST_TYPE_ELEMENT); + gobject_class->set_property = gst_cutter_set_property; + gobject_class->get_property = gst_cutter_get_property; - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_THRESHOLD, + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_THRESHOLD, g_param_spec_double ("threshold", "Threshold", "Volume threshold before trigger", -G_MAXDOUBLE, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_THRESHOLD_DB, - g_param_spec_double ("threshold_dB", "Threshold (dB)", + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_THRESHOLD_DB, + g_param_spec_double ("threshold-dB", "Threshold (dB)", "Volume threshold before trigger (in dB)", -G_MAXDOUBLE, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_RUN_LENGTH, - g_param_spec_double ("runlength", "Runlength", - "Length of drop below threshold before cut_stop (seconds)", - 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PRE_LENGTH, - g_param_spec_double ("prelength", "prelength", - "Length of pre-recording buffer (seconds)", - 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LEAKY, + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_RUN_LENGTH, + g_param_spec_uint64 ("run-length", "Run length", + "Length of drop below threshold before cut_stop (in nanoseconds)", + 0, G_MAXUINT64, 0, G_PARAM_READWRITE)); + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PRE_LENGTH, + g_param_spec_uint64 ("pre-length", "Pre-recording buffer length", + "Length of pre-recording buffer (in nanoseconds)", + 0, G_MAXUINT64, 0, G_PARAM_READWRITE)); + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LEAKY, g_param_spec_boolean ("leaky", "Leaky", "do we leak buffers when below threshold ?", FALSE, G_PARAM_READWRITE)); - gst_cutter_signals[CUT_START] = - g_signal_new ("cut-start", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (GstCutterClass, cut_start), NULL, NULL, - g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); - gst_cutter_signals[CUT_STOP] = - g_signal_new ("cut-stop", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (GstCutterClass, cut_stop), NULL, NULL, - g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); - - gobject_class->set_property = gst_cutter_set_property; - gobject_class->get_property = gst_cutter_get_property; + GST_DEBUG_CATEGORY_INIT (cutter_debug, "cutter", 0, "Audio cutting"); } static void -gst_cutter_init (GstCutter * filter) +gst_cutter_init (GstCutter * filter, GstCutterClass * g_class) { filter->sinkpad = gst_pad_new_from_template (gst_static_pad_template_get @@ -191,28 +138,42 @@ gst_cutter_init (GstCutter * filter) gst_pad_new_from_template (gst_static_pad_template_get (&cutter_src_factory), "src"); - filter->threshold_level = 0.1; - filter->threshold_length = 0.5; - filter->silent_run_length = 0.0; + filter->threshold_level = CUTTER_DEFAULT_THRESHOLD_LEVEL; + filter->threshold_length = CUTTER_DEFAULT_THRESHOLD_LENGTH; + filter->silent_run_length = 0 * GST_SECOND; filter->silent = TRUE; - filter->pre_length = 0.2; - filter->pre_run_length = 0.0; + filter->pre_length = CUTTER_DEFAULT_PRE_LENGTH; + filter->pre_run_length = 0 * GST_SECOND; filter->pre_buffer = NULL; filter->leaky = FALSE; gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad); gst_pad_set_chain_function (filter->sinkpad, gst_cutter_chain); - gst_pad_set_link_function (filter->sinkpad, gst_cutter_link); + gst_pad_use_fixed_caps (filter->sinkpad); gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad); - /*gst_pad_set_link_function (filter->srcpad, gst_cutter_link); */ + gst_pad_use_fixed_caps (filter->srcpad); } -static void -gst_cutter_chain (GstPad * pad, GstData * _data) +static GstMessage * +gst_cutter_message_new (GstCutter * c, gboolean above, GstClockTime timestamp) +{ + GstStructure *s; + GValue v = { 0, }; + + g_value_init (&v, GST_TYPE_LIST); + + s = gst_structure_new ("cutter", + "above", G_TYPE_BOOLEAN, above, + "timestamp", GST_TYPE_CLOCK_TIME, timestamp, NULL); + + return gst_message_new_element (GST_OBJECT (c), s); +} + +static GstFlowReturn +gst_cutter_chain (GstPad * pad, GstBuffer * buf) { - GstBuffer *buf = GST_BUFFER (_data); GstCutter *filter; gint16 *in_data; double RMS = 0.0; /* RMS of signal in buffer */ @@ -220,22 +181,25 @@ gst_cutter_chain (GstPad * pad, GstData * _data) static gboolean silent_prev = FALSE; /* previous value of silent */ GstBuffer *prebuf; /* pointer to a prebuffer element */ - g_return_if_fail (pad != NULL); - g_return_if_fail (GST_IS_PAD (pad)); - g_return_if_fail (buf != NULL); + g_return_val_if_fail (pad != NULL, GST_FLOW_ERROR); + g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR); + g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR); filter = GST_CUTTER (GST_OBJECT_PARENT (pad)); - g_return_if_fail (filter != NULL); - g_return_if_fail (GST_IS_CUTTER (filter)); + g_return_val_if_fail (filter != NULL, GST_FLOW_ERROR); + g_return_val_if_fail (GST_IS_CUTTER (filter), GST_FLOW_ERROR); - if (gst_audio_is_buffer_framed (pad, buf) == FALSE) + if (gst_audio_is_buffer_framed (pad, buf) == FALSE) { g_warning ("audio buffer is not framed !\n"); + return GST_FLOW_ERROR; + } if (!filter->have_caps) gst_cutter_get_caps (pad, filter); in_data = (gint16 *) GST_BUFFER_DATA (buf); - GST_DEBUG ("length of prerec buffer: %.3f sec", filter->pre_run_length); + GST_LOG_OBJECT (filter, "length of prerec buffer: %" GST_TIME_FORMAT, + GST_TIME_ARGS (filter->pre_run_length)); /* calculate mean square value on buffer */ switch (filter->width) { @@ -247,8 +211,7 @@ gst_cutter_chain (GstPad * pad, GstData * _data) break; default: /* this shouldn't happen */ - g_print ("WARNING: no mean square function for width %d\n", - filter->width); + g_warning ("no mean square function for width %d\n", filter->width); break; } @@ -258,12 +221,13 @@ gst_cutter_chain (GstPad * pad, GstData * _data) /* if RMS below threshold, add buffer length to silent run length count * if not, reset */ - GST_DEBUG ("buffer stats: ms %f, RMS %f, audio length %f", - ms, RMS, gst_audio_length (filter->srcpad, buf)); + GST_LOG_OBJECT (filter, "buffer stats: ms %f, RMS %f, audio length %f", + ms, RMS, gst_audio_duration_from_pad_buffer (filter->sinkpad, buf)); if (RMS < filter->threshold_level) - filter->silent_run_length += gst_audio_length (filter->srcpad, buf); + filter->silent_run_length += + gst_audio_duration_from_pad_buffer (filter->sinkpad, buf); else { - filter->silent_run_length = 0.0; + filter->silent_run_length = 0 * GST_SECOND; filter->silent = FALSE; } @@ -276,23 +240,28 @@ gst_cutter_chain (GstPad * pad, GstData * _data) */ if (filter->silent != silent_prev) { if (filter->silent) { -/* g_print ("DEBUG: cutter: cut to here, turning off out\n"); */ - g_signal_emit (G_OBJECT (filter), gst_cutter_signals[CUT_STOP], 0); + GstMessage *m = + gst_cutter_message_new (filter, FALSE, GST_BUFFER_TIMESTAMP (buf)); + GST_DEBUG_OBJECT (filter, "signaling CUT_STOP"); + gst_element_post_message (GST_ELEMENT (filter), m); } else { gint count = 0; + GstMessage *m = + gst_cutter_message_new (filter, TRUE, GST_BUFFER_TIMESTAMP (buf)); -/* g_print ("DEBUG: cutter: start from here, turning on out\n"); */ + GST_DEBUG_OBJECT (filter, "signaling CUT_START"); + gst_element_post_message (GST_ELEMENT (filter), m); /* first of all, flush current buffer */ - g_signal_emit (G_OBJECT (filter), gst_cutter_signals[CUT_START], 0); - GST_DEBUG ("flushing buffer of length %.3f", filter->pre_run_length); + GST_DEBUG_OBJECT (filter, "flushing buffer of length %" GST_TIME_FORMAT, + GST_TIME_ARGS (filter->pre_run_length)); while (filter->pre_buffer) { prebuf = (g_list_first (filter->pre_buffer))->data; filter->pre_buffer = g_list_remove (filter->pre_buffer, prebuf); - gst_pad_push (filter->srcpad, GST_DATA (prebuf)); + gst_pad_push (filter->srcpad, prebuf); ++count; } - GST_DEBUG ("flushed %d buffers", count); - filter->pre_run_length = 0.0; + GST_DEBUG_OBJECT (filter, "flushed %d buffers", count); + filter->pre_run_length = 0 * GST_SECOND; } } /* now check if we have to send the new buffer to the internal buffer cache @@ -306,20 +275,22 @@ gst_cutter_chain (GstPad * pad, GstData * _data) gst_buffer_ref (buf); */ filter->pre_buffer = g_list_append (filter->pre_buffer, buf); - filter->pre_run_length += gst_audio_length (filter->srcpad, buf); + filter->pre_run_length += + gst_audio_duration_from_pad_buffer (filter->sinkpad, buf); while (filter->pre_run_length > filter->pre_length) { prebuf = (g_list_first (filter->pre_buffer))->data; g_assert (GST_IS_BUFFER (prebuf)); filter->pre_buffer = g_list_remove (filter->pre_buffer, prebuf); - filter->pre_run_length -= gst_audio_length (filter->srcpad, prebuf); + filter->pre_run_length -= + gst_audio_duration_from_pad_buffer (filter->sinkpad, prebuf); /* only pass buffers if we don't leak */ if (!filter->leaky) - gst_pad_push (filter->srcpad, GST_DATA (prebuf)); - /* we unref it after getting it out of the pre_buffer */ - gst_buffer_unref (prebuf); + gst_pad_push (filter->srcpad, prebuf); } } else - gst_pad_push (filter->srcpad, GST_DATA (buf)); + gst_pad_push (filter->srcpad, buf); + + return GST_FLOW_OK; } static double inline @@ -337,12 +308,12 @@ gst_cutter_16bit_ms (gint16 * data, guint num_samples) filter = GST_CUTTER (object); switch (prop_id) { - case ARG_THRESHOLD: + case PROP_THRESHOLD: /* set the level */ filter->threshold_level = g_value_get_double (value); GST_DEBUG ("DEBUG: set threshold level to %f", filter->threshold_level); break; - case ARG_THRESHOLD_DB: + case PROP_THRESHOLD_DB: /* set the level given in dB * value in dB = 20 * log (value) * values in dB < 0 result in values between 0 and 1 @@ -350,15 +321,15 @@ gst_cutter_16bit_ms (gint16 * data, guint num_samples) filter->threshold_level = pow (10, g_value_get_double (value) / 20); GST_DEBUG ("DEBUG: set threshold level to %f", filter->threshold_level); break; - case ARG_RUN_LENGTH: + case PROP_RUN_LENGTH: /* set the minimum length of the silent run required */ - filter->threshold_length = g_value_get_double (value); + filter->threshold_length = g_value_get_uint64 (value); break; - case ARG_PRE_LENGTH: + case PROP_PRE_LENGTH: /* set the length of the pre-record block */ - filter->pre_length = g_value_get_double (value); + filter->pre_length = g_value_get_uint64 (value); break; - case ARG_LEAKY: + case PROP_LEAKY: /* set if the pre-record buffer is leaky or not */ filter->leaky = g_value_get_boolean (value); break; @@ -378,19 +349,19 @@ gst_cutter_get_property (GObject * object, guint prop_id, filter = GST_CUTTER (object); switch (prop_id) { - case ARG_RUN_LENGTH: - g_value_set_double (value, filter->threshold_length); + case PROP_RUN_LENGTH: + g_value_set_uint64 (value, filter->threshold_length); break; - case ARG_THRESHOLD: + case PROP_THRESHOLD: g_value_set_double (value, filter->threshold_level); break; - case ARG_THRESHOLD_DB: + case PROP_THRESHOLD_DB: g_value_set_double (value, 20 * log (filter->threshold_level)); break; - case ARG_PRE_LENGTH: - g_value_set_double (value, filter->pre_length); + case PROP_PRE_LENGTH: + g_value_set_uint64 (value, filter->pre_length); break; - case ARG_LEAKY: + case PROP_LEAKY: g_value_set_boolean (value, filter->leaky); break; default: @@ -402,10 +373,6 @@ gst_cutter_get_property (GObject * object, guint prop_id, static gboolean plugin_init (GstPlugin * plugin) { - /* load audio support library */ - if (!gst_library_load ("gstaudio")) - return FALSE; - if (!gst_element_register (plugin, "cutter", GST_RANK_NONE, GST_TYPE_CUTTER)) return FALSE; @@ -416,9 +383,11 @@ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "cutter", "Audio Cutter to split audio into non-silent bits", - plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN) + plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN); + - void gst_cutter_get_caps (GstPad * pad, GstCutter * filter) +void +gst_cutter_get_caps (GstPad * pad, GstCutter * filter) { const GstCaps *caps = NULL; GstStructure *structure; @@ -426,8 +395,6 @@ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, caps = GST_PAD_CAPS (pad); /* FIXME : Please change this to a better warning method ! */ g_assert (caps != NULL); - if (caps == NULL) - printf ("WARNING: get_caps: Could not get caps of pad !\n"); structure = gst_caps_get_structure (caps, 0); gst_structure_get_int (structure, "width", &filter->width); filter->max_sample = gst_audio_highest_sample_value (pad); -- cgit