diff options
Diffstat (limited to 'gst/modplug/gstmodplug.cc')
| -rw-r--r-- | gst/modplug/gstmodplug.cc | 855 |
1 files changed, 0 insertions, 855 deletions
diff --git a/gst/modplug/gstmodplug.cc b/gst/modplug/gstmodplug.cc deleted file mode 100644 index d1c91d8d..00000000 --- a/gst/modplug/gstmodplug.cc +++ /dev/null @@ -1,855 +0,0 @@ -/* GStreamer - * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -/* - Code based on modplugxmms - XMMS plugin: - Kenton Varda <temporal@gauge3d.org> - Sound Engine: - Olivier Lapicque <olivierl@jps.net> -*/ - -/** - * SECTION:element-modplug - * - * Modplug uses the <ulink url="http://modplug-xmms.sourceforge.net/">modplug</ulink> - * library to decode tracked music in the MOD/S3M/XM/IT and related formats. - * - * <refsect2> - * <title>Example pipeline</title> - * |[ - * gst-launch -v filesrc location=1990s-nostalgia.xm ! modplug ! audioconvert ! alsasink - * ]| Play a FastTracker xm file. - * </refsect2> - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "libmodplug/stdafx.h" -#include "libmodplug/sndfile.h" - -#include "gstmodplug.h" - -#include <gst/gst.h> -#include <stdlib.h> -#include <gst/audio/audio.h> - -GST_DEBUG_CATEGORY_STATIC (modplug_debug); -#define GST_CAT_DEFAULT modplug_debug - -enum -{ - ARG_0, - ARG_SONGNAME, - ARG_REVERB, - ARG_REVERB_DEPTH, - ARG_REVERB_DELAY, - ARG_MEGABASS, - ARG_MEGABASS_AMOUNT, - ARG_MEGABASS_RANGE, - ARG_NOISE_REDUCTION, - ARG_SURROUND, - ARG_SURROUND_DEPTH, - ARG_SURROUND_DELAY, - ARG_OVERSAMP -}; - -#define DEFAULT_REVERB FALSE -#define DEFAULT_REVERB_DEPTH 30 -#define DEFAULT_REVERB_DELAY 100 -#define DEFAULT_MEGABASS FALSE -#define DEFAULT_MEGABASS_AMOUNT 40 -#define DEFAULT_MEGABASS_RANGE 30 -#define DEFAULT_SURROUND TRUE -#define DEFAULT_SURROUND_DEPTH 20 -#define DEFAULT_SURROUND_DELAY 20 -#define DEFAULT_OVERSAMP TRUE -#define DEFAULT_NOISE_REDUCTION TRUE - -static GstStaticPadTemplate modplug_src_template_factory = - GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("audio/x-raw-int," - " endianness = (int) BYTE_ORDER," - " signed = (boolean) true," - " width = (int) 16," - " depth = (int) 16," - " rate = (int) { 8000, 11025, 22050, 44100 }," - " channels = (int) 2; " - "audio/x-raw-int," - " endianness = (int) BYTE_ORDER," - " signed = (boolean) false," - " width = (int) 8," - " depth = (int) 8," - " rate = (int) { 8000, 11025, 22050, 44100 }, " - " channels = (int) [ 1, 2 ]")); - -static GstStaticPadTemplate modplug_sink_template_factory = - GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("audio/x-mod; audio/x-xm; audio/x-it; audio/x-s3m; " - "audio/x-stm")); - -static void gst_modplug_dispose (GObject * object); -static void gst_modplug_set_property (GObject * object, - guint id, const GValue * value, GParamSpec * pspec); -static void gst_modplug_get_property (GObject * object, - guint id, GValue * value, GParamSpec * pspec); - -static void gst_modplug_fixate (GstPad * pad, GstCaps * caps); -static const GstQueryType *gst_modplug_get_query_types (GstPad * pad); -static gboolean gst_modplug_src_event (GstPad * pad, GstEvent * event); -static gboolean gst_modplug_src_query (GstPad * pad, GstQuery * query); -static GstStateChangeReturn gst_modplug_change_state (GstElement * element, - GstStateChange transition); - -static gboolean gst_modplug_sinkpad_activate (GstPad * pad); -static gboolean gst_modplug_sinkpad_activate_pull (GstPad * pad, - gboolean active); -static void gst_modplug_loop (GstModPlug * element); - -GST_BOILERPLATE (GstModPlug, gst_modplug, GstElement, GST_TYPE_ELEMENT); - -static void -gst_modplug_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 (&modplug_sink_template_factory)); - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&modplug_src_template_factory)); - - gst_element_class_set_details_simple (element_class, "ModPlug", - "Codec/Decoder/Audio", "Module decoder based on modplug engine", - "Jeremy SIMON <jsimon13@yahoo.fr>"); - - GST_DEBUG_CATEGORY_INIT (modplug_debug, "modplug", 0, "ModPlug element"); -} - -static void -gst_modplug_class_init (GstModPlugClass * klass) -{ - GObjectClass *gobject_class; - GstElementClass *gstelement_class; - - gobject_class = (GObjectClass *) klass; - gstelement_class = (GstElementClass *) klass; - - gobject_class->set_property = gst_modplug_set_property; - gobject_class->get_property = gst_modplug_get_property; - gobject_class->dispose = gst_modplug_dispose; - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SONGNAME, - g_param_spec_string ("songname", "Songname", "The song name", - NULL, G_PARAM_READABLE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERB, - g_param_spec_boolean ("reverb", "reverb", "Reverb", - DEFAULT_REVERB, (GParamFlags) G_PARAM_READWRITE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERB_DEPTH, - g_param_spec_int ("reverb-depth", "reverb depth", "Reverb depth", - 0, 100, DEFAULT_REVERB_DEPTH, (GParamFlags) G_PARAM_READWRITE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERB_DELAY, - g_param_spec_int ("reverb-delay", "reverb delay", "Reverb delay", - 0, 200, DEFAULT_REVERB_DELAY, (GParamFlags) G_PARAM_READWRITE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MEGABASS, - g_param_spec_boolean ("megabass", "megabass", "Megabass", - DEFAULT_MEGABASS, (GParamFlags) G_PARAM_READWRITE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MEGABASS_AMOUNT, - g_param_spec_int ("megabass-amount", "megabass amount", "Megabass amount", - 0, 100, DEFAULT_MEGABASS_AMOUNT, (GParamFlags) G_PARAM_READWRITE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MEGABASS_RANGE, - g_param_spec_int ("megabass-range", "megabass range", "Megabass range", - 0, 100, DEFAULT_MEGABASS_RANGE, (GParamFlags) G_PARAM_READWRITE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SURROUND, - g_param_spec_boolean ("surround", "surround", "Surround", - DEFAULT_SURROUND, (GParamFlags) G_PARAM_READWRITE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SURROUND_DEPTH, - g_param_spec_int ("surround-depth", "surround depth", "Surround depth", - 0, 100, DEFAULT_SURROUND_DEPTH, (GParamFlags) G_PARAM_READWRITE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SURROUND_DELAY, - g_param_spec_int ("surround-delay", "surround delay", "Surround delay", - 0, 40, DEFAULT_SURROUND_DELAY, (GParamFlags) G_PARAM_READWRITE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_OVERSAMP, - g_param_spec_boolean ("oversamp", "oversamp", "oversamp", - DEFAULT_OVERSAMP, (GParamFlags) G_PARAM_READWRITE)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NOISE_REDUCTION, - g_param_spec_boolean ("noise-reduction", "noise reduction", - "noise reduction", DEFAULT_NOISE_REDUCTION, - (GParamFlags) G_PARAM_READWRITE)); - - gstelement_class->change_state = gst_modplug_change_state; -} - -static void -gst_modplug_init (GstModPlug * modplug, GstModPlugClass * klass) -{ - /* create the sink and src pads */ - modplug->sinkpad = - gst_pad_new_from_static_template (&modplug_sink_template_factory, "sink"); - gst_pad_set_activate_function (modplug->sinkpad, - GST_DEBUG_FUNCPTR (gst_modplug_sinkpad_activate)); - gst_pad_set_activatepull_function (modplug->sinkpad, - GST_DEBUG_FUNCPTR (gst_modplug_sinkpad_activate_pull)); - gst_element_add_pad (GST_ELEMENT (modplug), modplug->sinkpad); - - modplug->srcpad = - gst_pad_new_from_static_template (&modplug_src_template_factory, "src"); - gst_pad_set_fixatecaps_function (modplug->srcpad, - GST_DEBUG_FUNCPTR (gst_modplug_fixate)); - gst_pad_set_event_function (modplug->srcpad, - GST_DEBUG_FUNCPTR (gst_modplug_src_event)); - gst_pad_set_query_function (modplug->srcpad, - GST_DEBUG_FUNCPTR (gst_modplug_src_query)); - gst_pad_set_query_type_function (modplug->srcpad, - GST_DEBUG_FUNCPTR (gst_modplug_get_query_types)); - gst_element_add_pad (GST_ELEMENT (modplug), modplug->srcpad); - - modplug->reverb = DEFAULT_REVERB; - modplug->reverb_depth = DEFAULT_REVERB_DEPTH; - modplug->reverb_delay = DEFAULT_REVERB_DELAY; - modplug->megabass = DEFAULT_MEGABASS; - modplug->megabass_amount = DEFAULT_MEGABASS_AMOUNT; - modplug->megabass_range = DEFAULT_MEGABASS_RANGE; - modplug->surround = DEFAULT_SURROUND; - modplug->surround_depth = DEFAULT_SURROUND_DEPTH; - modplug->surround_delay = DEFAULT_SURROUND_DELAY; - modplug->oversamp = DEFAULT_OVERSAMP; - modplug->noise_reduction = DEFAULT_NOISE_REDUCTION; - - modplug->_16bit = TRUE; - modplug->channel = 2; - modplug->frequency = 44100; -} - - -static void -gst_modplug_dispose (GObject * object) -{ - GstModPlug *modplug = GST_MODPLUG (object); - - G_OBJECT_CLASS (parent_class)->dispose (object); - - if (modplug->buffer) { - gst_buffer_unref (modplug->buffer); - modplug->buffer = NULL; - } -} - -static const GstQueryType * -gst_modplug_get_query_types (GstPad * pad) -{ - static const GstQueryType gst_modplug_src_query_types[] = { - GST_QUERY_DURATION, - GST_QUERY_POSITION, - (GstQueryType) 0 - }; - - return gst_modplug_src_query_types; -} - - -static gboolean -gst_modplug_src_query (GstPad * pad, GstQuery * query) -{ - GstModPlug *modplug; - gboolean res = FALSE; - - modplug = GST_MODPLUG (gst_pad_get_parent (pad)); - - if (!modplug->mSoundFile) - goto done; - - switch (GST_QUERY_TYPE (query)) { - case GST_QUERY_DURATION: - { - GstFormat format; - - gst_query_parse_duration (query, &format, NULL); - if (format == GST_FORMAT_TIME) { - gst_query_set_duration (query, format, modplug->song_length); - res = TRUE; - } - } - break; - case GST_QUERY_POSITION: - { - GstFormat format; - - gst_query_parse_position (query, &format, NULL); - if (format == GST_FORMAT_TIME) { - gint64 pos; - - pos = (modplug->song_length * modplug->mSoundFile->GetCurrentPos ()); - pos /= modplug->mSoundFile->GetMaxPosition (); - gst_query_set_position (query, format, pos); - res = TRUE; - } - } - break; - default: - res = gst_pad_query_default (pad, query); - break; - } - -done: - gst_object_unref (modplug); - - return res; -} - -static gboolean -gst_modplug_src_event (GstPad * pad, GstEvent * event) -{ - GstModPlug *modplug; - gboolean res = FALSE; - - modplug = GST_MODPLUG (gst_pad_get_parent (pad)); - - switch (GST_EVENT_TYPE (event)) { - case GST_EVENT_SEEK: - { - gdouble rate; - GstFormat format; - GstSeekFlags flags; - GstSeekType cur_type, stop_type; - gboolean flush; - gint64 cur, stop; - guint64 timestamp; - - if (modplug->frequency == 0) { - GST_DEBUG_OBJECT (modplug, "no song loaded yet"); - break; - } - - timestamp = gst_util_uint64_scale_int (modplug->offset, GST_SECOND, - modplug->frequency); - - gst_event_parse_seek (event, &rate, &format, &flags, - &cur_type, &cur, &stop_type, &stop); - - if (format != GST_FORMAT_TIME) { - GST_DEBUG_OBJECT (modplug, "seeking is only supported in TIME format"); - gst_event_unref (event); - break; - } - - /* FIXME: we should be using GstSegment for all this */ - if (cur_type != GST_SEEK_TYPE_SET || stop_type != GST_SEEK_TYPE_NONE) { - GST_DEBUG_OBJECT (modplug, "unsupported seek type"); - gst_event_unref (event); - break; - } - - if (stop_type == GST_SEEK_TYPE_NONE) - stop = GST_CLOCK_TIME_NONE; - - cur = CLAMP (cur, 0, modplug->song_length); - - GST_DEBUG_OBJECT (modplug, "seek to %" GST_TIME_FORMAT, - GST_TIME_ARGS ((guint64) cur)); - - modplug->seek_at = cur; - - flush = ((flags & GST_SEEK_FLAG_FLUSH) == GST_SEEK_FLAG_FLUSH); - - if (flush) { - gst_pad_push_event (modplug->srcpad, gst_event_new_flush_start ()); - } else { - gst_pad_stop_task (modplug->sinkpad); - } - - GST_PAD_STREAM_LOCK (modplug->sinkpad); - - if (flags & GST_SEEK_FLAG_SEGMENT) { - gst_element_post_message (GST_ELEMENT (modplug), - gst_message_new_segment_start (GST_OBJECT (modplug), format, cur)); - } - if (stop == -1 && modplug->song_length > 0) - stop = modplug->song_length; - - if (flush) { - gst_pad_push_event (modplug->srcpad, gst_event_new_flush_stop ()); - } - - GST_LOG_OBJECT (modplug, "sending newsegment from %" GST_TIME_FORMAT "-%" - GST_TIME_FORMAT ", pos=%" GST_TIME_FORMAT, - GST_TIME_ARGS ((guint64) cur), GST_TIME_ARGS ((guint64) stop), - GST_TIME_ARGS ((guint64) cur)); - - gst_pad_push_event (modplug->srcpad, - gst_event_new_new_segment (FALSE, rate, - GST_FORMAT_TIME, cur, stop, cur)); - - modplug->offset = - gst_util_uint64_scale_int (cur, modplug->frequency, GST_SECOND); - - gst_pad_start_task (modplug->sinkpad, - (GstTaskFunction) gst_modplug_loop, modplug); - - GST_PAD_STREAM_UNLOCK (modplug->sinkpad); - res = TRUE; - break; - } - default: - res = gst_pad_event_default (pad, event); - break; - } - - gst_object_unref (modplug); - return res; -} - -static void -gst_modplug_fixate (GstPad * pad, GstCaps * caps) -{ - GstStructure *structure; - - structure = gst_caps_get_structure (caps, 0); - if (gst_structure_fixate_field_nearest_int (structure, "rate", 44100)) - return; - if (gst_structure_fixate_field_nearest_int (structure, "channels", 2)) - return; -} - -static gboolean -gst_modplug_load_song (GstModPlug * modplug) -{ - GstCaps *newcaps, *othercaps; - GstStructure *structure; - gint depth; - - GST_DEBUG_OBJECT (modplug, "Setting caps"); - - /* negotiate srcpad caps */ - if ((othercaps = gst_pad_get_allowed_caps (modplug->srcpad))) { - newcaps = gst_caps_copy_nth (othercaps, 0); - gst_caps_unref (othercaps); - } else { - GST_WARNING ("no allowed caps on srcpad, no peer linked"); - /* FIXME: this can be done in a better way */ - newcaps = - gst_caps_copy_nth (gst_pad_get_pad_template_caps (modplug->srcpad), 0); - } - gst_pad_fixate_caps (modplug->srcpad, newcaps); - gst_pad_set_caps (modplug->srcpad, newcaps); - - /* set up modplug to output the negotiated format */ - structure = gst_caps_get_structure (newcaps, 0); - gst_structure_get_int (structure, "depth", &depth); - modplug->_16bit = (depth == 16); - gst_structure_get_int (structure, "channels", &modplug->channel); - gst_structure_get_int (structure, "rate", &modplug->frequency); - - modplug->read_samples = 1152; - modplug->read_bytes = modplug->read_samples * modplug->channel * depth / 8; - - GST_DEBUG_OBJECT (modplug, "Loading song"); - - modplug->mSoundFile = new CSoundFile; - - if (modplug->_16bit) - modplug->mSoundFile->SetWaveConfig (modplug->frequency, 16, - modplug->channel); - else - modplug->mSoundFile->SetWaveConfig (modplug->frequency, 8, - modplug->channel); - - modplug->mSoundFile->SetWaveConfigEx (modplug->surround, !modplug->oversamp, - modplug->reverb, true, modplug->megabass, modplug->noise_reduction, true); - modplug->mSoundFile->SetResamplingMode (SRCMODE_POLYPHASE); - - if (modplug->surround) - modplug->mSoundFile->SetSurroundParameters (modplug->surround_depth, - modplug->surround_delay); - - if (modplug->megabass) - modplug->mSoundFile->SetXBassParameters (modplug->megabass_amount, - modplug->megabass_range); - - if (modplug->reverb) - modplug->mSoundFile->SetReverbParameters (modplug->reverb_depth, - modplug->reverb_delay); - - if (!modplug->mSoundFile->Create (GST_BUFFER_DATA (modplug->buffer), - modplug->song_size)) { - GST_ELEMENT_ERROR (modplug, STREAM, DECODE, (NULL), - ("Unable to load song")); - return FALSE; - } - - modplug->song_length = modplug->mSoundFile->GetSongTime () * GST_SECOND; - modplug->seek_at = -1; - - GST_INFO_OBJECT (modplug, "Song length: %" GST_TIME_FORMAT, - GST_TIME_ARGS ((guint64) modplug->song_length)); - - return TRUE; -} - -static gboolean -gst_modplug_sinkpad_activate (GstPad * pad) -{ - if (!gst_pad_check_pull_range (pad)) - return FALSE; - - return gst_pad_activate_pull (pad, TRUE); -} - -static gboolean -gst_modplug_sinkpad_activate_pull (GstPad * pad, gboolean active) -{ - GstModPlug *modplug = GST_MODPLUG (GST_OBJECT_PARENT (pad)); - - if (active) { - return gst_pad_start_task (pad, (GstTaskFunction) gst_modplug_loop, - modplug); - } else { - return gst_pad_stop_task (pad); - } -} - -static gboolean -gst_modplug_get_upstream_size (GstModPlug * modplug, gint64 * length) -{ - GstFormat format = GST_FORMAT_BYTES; - gboolean res = FALSE; - GstPad *peer; - - peer = gst_pad_get_peer (modplug->sinkpad); - if (peer == NULL) - return FALSE; - - if (gst_pad_query_duration (peer, &format, length) && *length >= 0) { - res = TRUE; - } - - gst_object_unref (peer); - return res; -} - -static void -gst_modplug_loop (GstModPlug * modplug) -{ - GstFlowReturn flow; - GstBuffer *out = NULL; - - g_assert (GST_IS_MODPLUG (modplug)); - - /* first, get the size of the song */ - if (!modplug->song_size) { - if (!gst_modplug_get_upstream_size (modplug, &modplug->song_size)) { - GST_ELEMENT_ERROR (modplug, STREAM, DECODE, (NULL), - ("Unable to load song")); - goto pause; - } - - if (modplug->buffer) { - gst_buffer_unref (modplug->buffer); - } - modplug->buffer = gst_buffer_new_and_alloc (modplug->song_size); - modplug->offset = 0; - } - - /* read in the song data */ - if (!modplug->mSoundFile) { - GstBuffer *buffer = NULL; - guint64 read_size = modplug->song_size - modplug->offset; - - if (read_size > 4096) - read_size = 4096; - - flow = - gst_pad_pull_range (modplug->sinkpad, modplug->offset, read_size, - &buffer); - if (flow != GST_FLOW_OK) { - GST_ELEMENT_ERROR (modplug, STREAM, DECODE, (NULL), - ("Unable to load song")); - goto pause; - } - - /* GST_LOG_OBJECT (modplug, "Read %u bytes", GST_BUFFER_SIZE (buffer)); */ - g_memmove (GST_BUFFER_DATA (modplug->buffer) + modplug->offset, - GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer)); - gst_buffer_unref (buffer); - - modplug->offset += read_size; - - /* actually load it */ - if (modplug->offset == modplug->song_size) { - GstEvent *newsegment; - GstTagList *tags; - gboolean ok; - gchar comment[16384]; - - ok = gst_modplug_load_song (modplug); - gst_buffer_unref (modplug->buffer); - modplug->buffer = NULL; - modplug->offset = 0; - - if (!ok) { - goto pause; - } - - newsegment = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, - 0, modplug->song_length, 0); - gst_pad_push_event (modplug->srcpad, newsegment); - - /* get and send metadata */ - tags = gst_tag_list_new (); - gst_tag_list_add (tags, GST_TAG_MERGE_APPEND, - GST_TAG_TITLE, modplug->mSoundFile->GetTitle (), - GST_TAG_BEATS_PER_MINUTE, - (gdouble) modplug->mSoundFile->GetMusicTempo (), NULL); - - if (modplug->mSoundFile->GetSongComments ((gchar *) & comment, 16384, 32)) { - gst_tag_list_add (tags, GST_TAG_MERGE_APPEND, - GST_TAG_COMMENT, comment, NULL); - } - - - gst_element_found_tags (GST_ELEMENT (modplug), tags); - } else { - /* not fully loaded yet */ - return; - } - } - - /* could move this to gst_modplug_src_event - * if libmodplug was definitely thread safe.. */ - if (modplug->seek_at != -1) { - gint seek_to_pos; - gfloat temp; - - temp = (gfloat) modplug->song_length / modplug->seek_at; - seek_to_pos = (int) (modplug->mSoundFile->GetMaxPosition () / temp); - - GST_DEBUG_OBJECT (modplug, "Seeking to row %d", seek_to_pos); - - modplug->mSoundFile->SetCurrentPos (seek_to_pos); - modplug->seek_at = -1; - } - - /* read and output a buffer */ - flow = gst_pad_alloc_buffer_and_set_caps (modplug->srcpad, - GST_BUFFER_OFFSET_NONE, modplug->read_bytes, - GST_PAD_CAPS (modplug->srcpad), &out); - - if (flow != GST_FLOW_OK) { - GST_LOG_OBJECT (modplug, "pad alloc flow: %s", gst_flow_get_name (flow)); - goto pause; - } - - if (!modplug->mSoundFile->Read (GST_BUFFER_DATA (out), modplug->read_bytes)) - goto eos; - - GST_BUFFER_SIZE (out) = modplug->read_bytes; - GST_BUFFER_DURATION (out) = - gst_util_uint64_scale_int (modplug->read_samples, GST_SECOND, - modplug->frequency); - GST_BUFFER_OFFSET (out) = modplug->offset; - GST_BUFFER_TIMESTAMP (out) = - gst_util_uint64_scale_int (modplug->offset, GST_SECOND, - modplug->frequency); - - modplug->offset += modplug->read_samples; - - flow = gst_pad_push (modplug->srcpad, out); - - if (flow != GST_FLOW_OK) { - GST_LOG_OBJECT (modplug, "pad push flow: %s", gst_flow_get_name (flow)); - goto pause; - } - - return; - -eos: - { - gst_buffer_unref (out); - GST_INFO_OBJECT (modplug, "EOS"); - gst_pad_push_event (modplug->srcpad, gst_event_new_eos ()); - goto pause; - } - -pause: - { - GST_INFO_OBJECT (modplug, "Pausing"); - gst_pad_pause_task (modplug->sinkpad); - } -} - - -static GstStateChangeReturn -gst_modplug_change_state (GstElement * element, GstStateChange transition) -{ - GstModPlug *modplug; - GstStateChangeReturn ret; - - modplug = GST_MODPLUG (element); - - switch (transition) { - case GST_STATE_CHANGE_READY_TO_PAUSED: - modplug->buffer = NULL; - modplug->offset = 0; - modplug->song_size = 0; - break; - default: - break; - } - - ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); - if (ret == GST_STATE_CHANGE_FAILURE) - return ret; - - switch (transition) { - case GST_STATE_CHANGE_PAUSED_TO_READY: - if (modplug->buffer) { - gst_buffer_unref (modplug->buffer); - modplug->buffer = NULL; - } - if (modplug->mSoundFile) { - modplug->mSoundFile->Destroy (); - modplug->mSoundFile = NULL; - } - break; - default: - break; - } - - return GST_STATE_CHANGE_SUCCESS; -} - - -static void -gst_modplug_set_property (GObject * object, guint id, const GValue * value, - GParamSpec * pspec) -{ - GstModPlug *modplug; - - g_return_if_fail (GST_IS_MODPLUG (object)); - modplug = GST_MODPLUG (object); - - switch (id) { - case ARG_REVERB: - modplug->reverb = g_value_get_boolean (value); - break; - case ARG_REVERB_DEPTH: - modplug->reverb_depth = g_value_get_int (value); - break; - case ARG_REVERB_DELAY: - modplug->reverb_delay = g_value_get_int (value); - break; - case ARG_MEGABASS: - modplug->megabass = g_value_get_boolean (value); - break; - case ARG_MEGABASS_AMOUNT: - modplug->megabass_amount = g_value_get_int (value); - break; - case ARG_MEGABASS_RANGE: - modplug->megabass_range = g_value_get_int (value); - break; - case ARG_NOISE_REDUCTION: - modplug->noise_reduction = g_value_get_boolean (value); - break; - case ARG_SURROUND: - modplug->surround = g_value_get_boolean (value); - break; - case ARG_SURROUND_DEPTH: - modplug->surround_depth = g_value_get_int (value); - break; - case ARG_SURROUND_DELAY: - modplug->surround_delay = g_value_get_int (value); - break; - default: - break; - } -} - -static void -gst_modplug_get_property (GObject * object, guint id, GValue * value, - GParamSpec * pspec) -{ - GstModPlug *modplug; - - g_return_if_fail (GST_IS_MODPLUG (object)); - modplug = GST_MODPLUG (object); - - switch (id) { - case ARG_REVERB: - g_value_set_boolean (value, modplug->reverb); - break; - case ARG_REVERB_DEPTH: - g_value_set_int (value, modplug->reverb_depth); - break; - case ARG_REVERB_DELAY: - g_value_set_int (value, modplug->reverb_delay); - break; - case ARG_MEGABASS: - g_value_set_boolean (value, modplug->megabass); - break; - case ARG_MEGABASS_AMOUNT: - g_value_set_int (value, modplug->megabass_amount); - break; - case ARG_MEGABASS_RANGE: - g_value_set_int (value, modplug->megabass_range); - break; - case ARG_SURROUND: - g_value_set_boolean (value, modplug->surround); - break; - case ARG_SURROUND_DEPTH: - g_value_set_int (value, modplug->surround_depth); - break; - case ARG_SURROUND_DELAY: - g_value_set_int (value, modplug->surround_delay); - break; - case ARG_NOISE_REDUCTION: - g_value_set_boolean (value, modplug->noise_reduction); - break; - default: - break; - } -} - -static gboolean -plugin_init (GstPlugin * plugin) -{ - return gst_element_register (plugin, "modplug", - GST_RANK_PRIMARY, GST_TYPE_MODPLUG); -} - -GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "modplug", - ".MOD audio decoding", - plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN) |