diff options
Diffstat (limited to 'gst/interleave')
| -rw-r--r-- | gst/interleave/Makefile.am | 9 | ||||
| -rw-r--r-- | gst/interleave/deinterleave.c | 889 | ||||
| -rw-r--r-- | gst/interleave/deinterleave.h | 75 | ||||
| -rw-r--r-- | gst/interleave/interleave.c | 1352 | ||||
| -rw-r--r-- | gst/interleave/interleave.h | 89 | ||||
| -rw-r--r-- | gst/interleave/plugin.c | 44 | ||||
| -rw-r--r-- | gst/interleave/plugin.h | 31 |
7 files changed, 0 insertions, 2489 deletions
diff --git a/gst/interleave/Makefile.am b/gst/interleave/Makefile.am deleted file mode 100644 index 3477933c..00000000 --- a/gst/interleave/Makefile.am +++ /dev/null @@ -1,9 +0,0 @@ - -plugin_LTLIBRARIES = libgstinterleave.la - -libgstinterleave_la_SOURCES = plugin.c interleave.c deinterleave.c -libgstinterleave_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) -libgstinterleave_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_MAJORMINOR) -libgstinterleave_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) - -noinst_HEADERS = plugin.h interleave.h deinterleave.h diff --git a/gst/interleave/deinterleave.c b/gst/interleave/deinterleave.c deleted file mode 100644 index 4c81d39d..00000000 --- a/gst/interleave/deinterleave.c +++ /dev/null @@ -1,889 +0,0 @@ -/* GStreamer - * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> - * 2000 Wim Taymans <wtay@chello.be> - * 2005 Wim Taymans <wim@fluendo.com> - * 2007 Andy Wingo <wingo at pobox.com> - * 2008 Sebastian Dröge <slomo@circular-chaos.org> - * - * deinterleave.c: deinterleave samples - * - * 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. - */ - -/* TODO: - * - handle changes in number of channels - * - handle changes in channel positions - * - better capsnego by using a buffer alloc function - * and passing downstream caps changes upstream there - */ - -/** - * SECTION:element-deinterleave - * @see_also: interleave - * - * Splits one interleaved multichannel audio stream into many mono audio streams. - * - * This element handles all raw audio formats and supports changing the input caps as long as - * all downstream elements can handle the new caps and the number of channels and the channel - * positions stay the same. This restriction will be removed in later versions by adding or - * removing some source pads as required. - * - * In most cases a queue and an audioconvert element should be added after each source pad - * before further processing of the audio data. - * - * <refsect2> - * <title>Example launch line</title> - * |[ - * gst-launch-0.10 filesrc location=/path/to/file.mp3 ! decodebin ! audioconvert ! "audio/x-raw-int,channels=2 ! deinterleave name=d d.src0 ! queue ! audioconvert ! vorbisenc ! oggmux ! filesink location=channel1.ogg d.src1 ! queue ! audioconvert ! vorbisenc ! oggmux ! filesink location=channel2.ogg - * ]| Decodes an MP3 file and encodes the left and right channel into separate - * Ogg Vorbis files. - * |[ - * gst-launch-0.10 filesrc location=file.mp3 ! decodebin ! audioconvert ! "audio/x-raw-int,channels=2" ! deinterleave name=d interleave name=i ! audioconvert ! wavenc ! filesink location=test.wav d.src0 ! queue ! audioconvert ! i.sink1 d.src1 ! queue ! audioconvert ! i.sink0 - * ]| Decodes and deinterleaves a Stereo MP3 file into separate channels and - * then interleaves the channels again to a WAV file with the channel with the - * channels exchanged. - * </refsect2> - */ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include <gst/gst.h> -#include <string.h> -#include "deinterleave.h" - -GST_DEBUG_CATEGORY_STATIC (gst_deinterleave_debug); -#define GST_CAT_DEFAULT gst_deinterleave_debug - -static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src%d", - GST_PAD_SRC, - GST_PAD_SOMETIMES, - GST_STATIC_CAPS ("audio/x-raw-int, " - "rate = (int) [ 1, MAX ], " - "channels = (int) 1, " - "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " - "width = (int) { 8, 16, 24, 32 }, " - "depth = (int) [ 1, 32 ], " - "signed = (boolean) { true, false }; " - "audio/x-raw-float, " - "rate = (int) [ 1, MAX ], " - "channels = (int) 1, " - "endianness = (int) { LITTLE_ENDIAN , BIG_ENDIAN }, " - "width = (int) { 32, 64 }") - ); - -static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("audio/x-raw-int, " - "rate = (int) [ 1, MAX ], " - "channels = (int) [ 1, MAX ], " - "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " - "width = (int) { 8, 16, 24, 32 }, " - "depth = (int) [ 1, 32 ], " - "signed = (boolean) { true, false }; " - "audio/x-raw-float, " - "rate = (int) [ 1, MAX ], " - "channels = (int) [ 1, MAX ], " - "endianness = (int) { LITTLE_ENDIAN , BIG_ENDIAN }, " - "width = (int) { 32, 64 }") - ); - -#define MAKE_FUNC(type) \ -static void deinterleave_##type (guint##type *out, guint##type *in, \ - guint stride, guint nframes) \ -{ \ - gint i; \ - \ - for (i = 0; i < nframes; i++) { \ - out[i] = *in; \ - in += stride; \ - } \ -} - -MAKE_FUNC (8); -MAKE_FUNC (16); -MAKE_FUNC (32); -MAKE_FUNC (64); - -static void -deinterleave_24 (guint8 * out, guint8 * in, guint stride, guint nframes) -{ - gint i; - - for (i = 0; i < nframes; i++) { - memcpy (out, in, 3); - out += 3; - in += stride * 3; - } -} - -GST_BOILERPLATE (GstDeinterleave, gst_deinterleave, GstElement, - GST_TYPE_ELEMENT); - -enum -{ - PROP_0, - PROP_KEEP_POSITIONS -}; - -static GstFlowReturn gst_deinterleave_chain (GstPad * pad, GstBuffer * buffer); - -static gboolean gst_deinterleave_sink_setcaps (GstPad * pad, GstCaps * caps); - -static GstCaps *gst_deinterleave_sink_getcaps (GstPad * pad); - -static gboolean gst_deinterleave_sink_activate_push (GstPad * pad, - gboolean active); -static gboolean gst_deinterleave_sink_event (GstPad * pad, GstEvent * event); - -static gboolean gst_deinterleave_src_query (GstPad * pad, GstQuery * query); - -static void gst_deinterleave_set_property (GObject * object, - guint prop_id, const GValue * value, GParamSpec * pspec); -static void gst_deinterleave_get_property (GObject * object, - guint prop_id, GValue * value, GParamSpec * pspec); - - -static void -gst_deinterleave_finalize (GObject * obj) -{ - GstDeinterleave *self = GST_DEINTERLEAVE (obj); - - if (self->pos) { - g_free (self->pos); - self->pos = NULL; - } - - if (self->pending_events) { - g_list_foreach (self->pending_events, (GFunc) gst_mini_object_unref, NULL); - g_list_free (self->pending_events); - self->pending_events = NULL; - } - - G_OBJECT_CLASS (parent_class)->finalize (obj); -} - -static void -gst_deinterleave_base_init (gpointer g_class) -{ - GstElementClass *gstelement_class = (GstElementClass *) g_class; - - gst_element_class_set_details_simple (gstelement_class, "Audio deinterleaver", - "Filter/Converter/Audio", - "Splits one interleaved multichannel audio stream into many mono audio streams", - "Andy Wingo <wingo at pobox.com>, " - "Iain <iain@prettypeople.org>, " - "Sebastian Dröge <slomo@circular-chaos.org>"); - - gst_element_class_add_pad_template (gstelement_class, - gst_static_pad_template_get (&sink_template)); - gst_element_class_add_pad_template (gstelement_class, - gst_static_pad_template_get (&src_template)); -} - -static void -gst_deinterleave_class_init (GstDeinterleaveClass * klass) -{ - GObjectClass *gobject_class = (GObjectClass *) klass; - - GST_DEBUG_CATEGORY_INIT (gst_deinterleave_debug, "deinterleave", 0, - "deinterleave element"); - - gobject_class->finalize = gst_deinterleave_finalize; - gobject_class->set_property = gst_deinterleave_set_property; - gobject_class->get_property = gst_deinterleave_get_property; - - /** - * GstDeinterleave:keep-positions - * - * Keep positions: When enable the caps on the output buffers will - * contain the original channel positions. This can be used to correctly - * interleave the output again later but can also lead to unwanted effects - * if the output should be handled as Mono. - * - */ - g_object_class_install_property (gobject_class, PROP_KEEP_POSITIONS, - g_param_spec_boolean ("keep-positions", "Keep positions", - "Keep the original channel positions on the output buffers", - FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); -} - -static void -gst_deinterleave_init (GstDeinterleave * self, GstDeinterleaveClass * klass) -{ - self->channels = 0; - self->pos = NULL; - self->keep_positions = FALSE; - self->width = 0; - self->func = NULL; - - /* Add sink pad */ - self->sink = gst_pad_new_from_static_template (&sink_template, "sink"); - gst_pad_set_chain_function (self->sink, - GST_DEBUG_FUNCPTR (gst_deinterleave_chain)); - gst_pad_set_setcaps_function (self->sink, - GST_DEBUG_FUNCPTR (gst_deinterleave_sink_setcaps)); - gst_pad_set_getcaps_function (self->sink, - GST_DEBUG_FUNCPTR (gst_deinterleave_sink_getcaps)); - gst_pad_set_activatepush_function (self->sink, - GST_DEBUG_FUNCPTR (gst_deinterleave_sink_activate_push)); - gst_pad_set_event_function (self->sink, - GST_DEBUG_FUNCPTR (gst_deinterleave_sink_event)); - gst_element_add_pad (GST_ELEMENT (self), self->sink); -} - -static void -gst_deinterleave_add_new_pads (GstDeinterleave * self, GstCaps * caps) -{ - GstPad *pad; - - guint i; - - for (i = 0; i < self->channels; i++) { - gchar *name = g_strdup_printf ("src%d", i); - - GstCaps *srccaps; - - GstStructure *s; - - pad = gst_pad_new_from_static_template (&src_template, name); - g_free (name); - - /* Set channel position if we know it */ - if (self->keep_positions) { - GstAudioChannelPosition pos[1] = { GST_AUDIO_CHANNEL_POSITION_NONE }; - - srccaps = gst_caps_copy (caps); - s = gst_caps_get_structure (srccaps, 0); - if (self->pos) - gst_audio_set_channel_positions (s, &self->pos[i]); - else - gst_audio_set_channel_positions (s, pos); - } else { - srccaps = caps; - } - - gst_pad_set_caps (pad, srccaps); - gst_pad_use_fixed_caps (pad); - gst_pad_set_query_function (pad, - GST_DEBUG_FUNCPTR (gst_deinterleave_src_query)); - gst_pad_set_active (pad, TRUE); - gst_element_add_pad (GST_ELEMENT (self), pad); - self->srcpads = g_list_prepend (self->srcpads, gst_object_ref (pad)); - - if (self->keep_positions) - gst_caps_unref (srccaps); - } - - gst_element_no_more_pads (GST_ELEMENT (self)); - self->srcpads = g_list_reverse (self->srcpads); -} - -static void -gst_deinterleave_set_pads_caps (GstDeinterleave * self, GstCaps * caps) -{ - GList *l; - - GstStructure *s; - - gint i; - - for (l = self->srcpads, i = 0; l; l = l->next, i++) { - GstPad *pad = GST_PAD (l->data); - - GstCaps *srccaps; - - /* Set channel position if we know it */ - if (self->keep_positions) { - GstAudioChannelPosition pos[1] = { GST_AUDIO_CHANNEL_POSITION_NONE }; - - srccaps = gst_caps_copy (caps); - s = gst_caps_get_structure (srccaps, 0); - if (self->pos) - gst_audio_set_channel_positions (s, &self->pos[i]); - else - gst_audio_set_channel_positions (s, pos); - } else { - srccaps = caps; - } - - gst_pad_set_caps (pad, srccaps); - - if (self->keep_positions) - gst_caps_unref (srccaps); - } -} - -static void -gst_deinterleave_remove_pads (GstDeinterleave * self) -{ - GList *l; - - GST_INFO_OBJECT (self, "removing pads"); - - for (l = self->srcpads; l; l = l->next) { - GstPad *pad = GST_PAD (l->data); - - gst_element_remove_pad (GST_ELEMENT_CAST (self), pad); - gst_object_unref (pad); - } - g_list_free (self->srcpads); - self->srcpads = NULL; - - gst_pad_set_caps (self->sink, NULL); - gst_caps_replace (&self->sinkcaps, NULL); -} - -static gboolean -gst_deinterleave_set_process_function (GstDeinterleave * self, GstCaps * caps) -{ - GstStructure *s; - - s = gst_caps_get_structure (caps, 0); - if (!gst_structure_get_int (s, "width", &self->width)) - return FALSE; - - switch (self->width) { - case 8: - self->func = (GstDeinterleaveFunc) deinterleave_8; - break; - case 16: - self->func = (GstDeinterleaveFunc) deinterleave_16; - break; - case 24: - self->func = (GstDeinterleaveFunc) deinterleave_24; - break; - case 32: - self->func = (GstDeinterleaveFunc) deinterleave_32; - break; - case 64: - self->func = (GstDeinterleaveFunc) deinterleave_64; - break; - default: - return FALSE; - } - return TRUE; -} - -static gboolean -gst_deinterleave_sink_setcaps (GstPad * pad, GstCaps * caps) -{ - GstDeinterleave *self; - - GstCaps *srccaps; - - GstStructure *s; - - self = GST_DEINTERLEAVE (gst_pad_get_parent (pad)); - - GST_DEBUG_OBJECT (self, "got caps: %" GST_PTR_FORMAT, caps); - - if (self->sinkcaps && !gst_caps_is_equal (caps, self->sinkcaps)) { - gint new_channels, i; - - GstAudioChannelPosition *pos; - - gboolean same_layout = TRUE; - - s = gst_caps_get_structure (caps, 0); - - /* We allow caps changes as long as the number of channels doesn't change - * and the channel positions stay the same. _getcaps() should've cared - * for this already but better be safe. - */ - if (!gst_structure_get_int (s, "channels", &new_channels) || - new_channels != self->channels || - !gst_deinterleave_set_process_function (self, caps)) - goto cannot_change_caps; - - /* Now check the channel positions. If we had no channel positions - * and get them or the other way around things have changed. - * If we had channel positions and get different ones things have - * changed too of course - */ - pos = gst_audio_get_channel_positions (s); - if ((pos && !self->pos) || (!pos && self->pos)) - goto cannot_change_caps; - - if (pos) { - for (i = 0; i < self->channels; i++) { - if (self->pos[i] != pos[i]) { - same_layout = FALSE; - break; - } - } - g_free (pos); - if (!same_layout) - goto cannot_change_caps; - } - - } else { - s = gst_caps_get_structure (caps, 0); - - if (!gst_structure_get_int (s, "channels", &self->channels)) - goto no_channels; - - if (!gst_deinterleave_set_process_function (self, caps)) - goto unsupported_caps; - - self->pos = gst_audio_get_channel_positions (s); - } - - gst_caps_replace (&self->sinkcaps, caps); - - /* Get srcpad caps */ - srccaps = gst_caps_copy (caps); - s = gst_caps_get_structure (srccaps, 0); - gst_structure_set (s, "channels", G_TYPE_INT, 1, NULL); - gst_structure_remove_field (s, "channel-positions"); - - /* If we already have pads, update the caps otherwise - * add new pads */ - if (self->srcpads) { - gst_deinterleave_set_pads_caps (self, srccaps); - } else { - gst_deinterleave_add_new_pads (self, srccaps); - } - - gst_caps_unref (srccaps); - gst_object_unref (self); - - return TRUE; - -cannot_change_caps: - { - GST_ERROR_OBJECT (self, "can't set new caps: %" GST_PTR_FORMAT, caps); - gst_object_unref (self); - return FALSE; - } -unsupported_caps: - { - GST_ERROR_OBJECT (self, "caps not supported: %" GST_PTR_FORMAT, caps); - gst_object_unref (self); - return FALSE; - } -no_channels: - { - GST_ERROR_OBJECT (self, "invalid caps"); - gst_object_unref (self); - return FALSE; - } -} - -static void -__remove_channels (GstCaps * caps) -{ - GstStructure *s; - - gint i, size; - - size = gst_caps_get_size (caps); - for (i = 0; i < size; i++) { - s = gst_caps_get_structure (caps, i); - gst_structure_remove_field (s, "channel-positions"); - gst_structure_remove_field (s, "channels"); - } -} - -static void -__set_channels (GstCaps * caps, gint channels) -{ - GstStructure *s; - - gint i, size; - - size = gst_caps_get_size (caps); - for (i = 0; i < size; i++) { - s = gst_caps_get_structure (caps, i); - if (channels > 0) - gst_structure_set (s, "channels", G_TYPE_INT, channels, NULL); - else - gst_structure_set (s, "channels", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL); - } -} - -static GstCaps * -gst_deinterleave_sink_getcaps (GstPad * pad) -{ - GstDeinterleave *self = GST_DEINTERLEAVE (gst_pad_get_parent (pad)); - - GstCaps *ret; - - GList *l; - - GST_OBJECT_LOCK (self); - /* Intersect all of our pad template caps with the peer caps of the pad - * to get all formats that are possible up- and downstream. - * - * For the pad for which the caps are requested we don't remove the channel - * informations as they must be in the returned caps and incompatibilities - * will be detected here already - */ - ret = gst_caps_new_any (); - for (l = GST_ELEMENT (self)->pads; l != NULL; l = l->next) { - GstPad *ourpad = GST_PAD (l->data); - - GstCaps *peercaps = NULL, *ourcaps; - - ourcaps = gst_caps_copy (gst_pad_get_pad_template_caps (ourpad)); - - if (pad == ourpad) { - if (GST_PAD_DIRECTION (pad) == GST_PAD_SINK) - __set_channels (ourcaps, self->channels); - else - __set_channels (ourcaps, 1); - } else { - __remove_channels (ourcaps); - /* Only ask for peer caps for other pads than pad - * as otherwise gst_pad_peer_get_caps() might call - * back into this function and deadlock - */ - peercaps = gst_pad_peer_get_caps (ourpad); - } - - /* If the peer exists and has caps add them to the intersection, - * otherwise assume that the peer accepts everything */ - if (peercaps) { - GstCaps *intersection; - - GstCaps *oldret = ret; - - __remove_channels (peercaps); - - intersection = gst_caps_intersect (peercaps, ourcaps); - - ret = gst_caps_intersect (ret, intersection); - gst_caps_unref (intersection); - gst_caps_unref (peercaps); - gst_caps_unref (oldret); - } else { - GstCaps *oldret = ret; - - ret = gst_caps_intersect (ret, ourcaps); - gst_caps_unref (oldret); - } - gst_caps_unref (ourcaps); - } - GST_OBJECT_UNLOCK (self); - - gst_object_unref (self); - - GST_DEBUG_OBJECT (pad, "Intersected caps to %" GST_PTR_FORMAT, ret); - - return ret; -} - -static gboolean -gst_deinterleave_sink_event (GstPad * pad, GstEvent * event) -{ - GstDeinterleave *self = GST_DEINTERLEAVE (gst_pad_get_parent (pad)); - - gboolean ret; - - GST_DEBUG ("Got %s event on pad %s:%s", GST_EVENT_TYPE_NAME (event), - GST_DEBUG_PAD_NAME (pad)); - - /* Send FLUSH_STOP, FLUSH_START and EOS immediately, no matter if - * we have src pads already or not. Queue all other events and - * push them after we have src pads - */ - switch (GST_EVENT_TYPE (event)) { - case GST_EVENT_FLUSH_STOP: - case GST_EVENT_FLUSH_START: - case GST_EVENT_EOS: - ret = gst_pad_event_default (pad, event); - break; - default: - if (self->srcpads) { - ret = gst_pad_event_default (pad, event); - } else { - GST_OBJECT_LOCK (self); - self->pending_events = g_list_append (self->pending_events, event); - GST_OBJECT_UNLOCK (self); - ret = TRUE; - } - break; - } - - gst_object_unref (self); - - return ret; -} - -static gboolean -gst_deinterleave_src_query (GstPad * pad, GstQuery * query) -{ - GstDeinterleave *self = GST_DEINTERLEAVE (gst_pad_get_parent (pad)); - - gboolean res; - - res = gst_pad_query_default (pad, query); - - if (res && GST_QUERY_TYPE (query) == GST_QUERY_DURATION) { - GstFormat format; - - gint64 dur; - - gst_query_parse_duration (query, &format, &dur); - - /* Need to divide by the number of channels in byte format - * to get the correct value. All other formats should be fine - */ - if (format == GST_FORMAT_BYTES && dur != -1) - gst_query_set_duration (query, format, dur / self->channels); - } else if (res && GST_QUERY_TYPE (query) == GST_QUERY_POSITION) { - GstFormat format; - - gint64 pos; - - gst_query_parse_position (query, &format, &pos); - - /* Need to divide by the number of channels in byte format - * to get the correct value. All other formats should be fine - */ - if (format == GST_FORMAT_BYTES && pos != -1) - gst_query_set_position (query, format, pos / self->channels); - } - - gst_object_unref (self); - return res; -} - -static void -gst_deinterleave_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstDeinterleave *self = GST_DEINTERLEAVE (object); - - switch (prop_id) { - case PROP_KEEP_POSITIONS: - self->keep_positions = g_value_get_boolean (value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_deinterleave_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec) -{ - GstDeinterleave *self = GST_DEINTERLEAVE (object); - - switch (prop_id) { - case PROP_KEEP_POSITIONS: - g_value_set_boolean (value, self->keep_positions); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static GstFlowReturn -gst_deinterleave_process (GstDeinterleave * self, GstBuffer * buf) -{ - GstFlowReturn ret = GST_FLOW_OK; - - guint channels = self->channels; - - guint pads_pushed = 0, buffers_allocated = 0; - - guint nframes = GST_BUFFER_SIZE (buf) / channels / (self->width / 8); - - guint bufsize = nframes * (self->width / 8); - - guint i; - - GList *srcs; - - GstBuffer **buffers_out = g_new0 (GstBuffer *, channels); - - guint8 *in, *out; - - /* Send any pending events to all src pads */ - GST_OBJECT_LOCK (self); - if (self->pending_events) { - GList *events; - - GstEvent *event; - - GST_DEBUG_OBJECT (self, "Sending pending events to all src pads"); - - for (events = self->pending_events; events != NULL; events = events->next) { - event = GST_EVENT (events->data); - - for (srcs = self->srcpads; srcs != NULL; srcs = srcs->next) - gst_pad_push_event (GST_PAD (srcs->data), gst_event_ref (event)); - gst_event_unref (event); - } - - g_list_free (self->pending_events); - self->pending_events = NULL; - } - GST_OBJECT_UNLOCK (self); - - /* Allocate buffers */ - for (srcs = self->srcpads, i = 0; srcs; srcs = srcs->next, i++) { - GstPad *pad = (GstPad *) srcs->data; - - buffers_out[i] = NULL; - ret = - gst_pad_alloc_buffer (pad, GST_BUFFER_OFFSET_NONE, bufsize, - GST_PAD_CAPS (pad), &buffers_out[i]); - - /* Make sure we got a correct buffer. The only other case we allow - * here is an unliked pad */ - if (ret != GST_FLOW_OK && ret != GST_FLOW_NOT_LINKED) - goto alloc_buffer_failed; - else if (buffers_out[i] && GST_BUFFER_SIZE (buffers_out[i]) != bufsize) - goto alloc_buffer_bad_size; - else if (buffers_out[i] && - !gst_caps_is_equal (GST_BUFFER_CAPS (buffers_out[i]), - GST_PAD_CAPS (pad))) - goto invalid_caps; - - if (buffers_out[i]) { - gst_buffer_copy_metadata (buffers_out[i], buf, - GST_BUFFER_COPY_TIMESTAMPS | GST_BUFFER_COPY_FLAGS); - buffers_allocated++; - } - } - - /* Return NOT_LINKED if no pad was linked */ - if (!buffers_allocated) { - GST_WARNING_OBJECT (self, - "Couldn't allocate any buffers because no pad was linked"); - ret = GST_FLOW_NOT_LINKED; - goto done; - } - - /* deinterleave */ - for (srcs = self->srcpads, i = 0; srcs; srcs = srcs->next, i++) { - GstPad *pad = (GstPad *) srcs->data; - - in = (guint8 *) GST_BUFFER_DATA (buf); - in += i * (self->width / 8); - if (buffers_out[i]) { - out = (guint8 *) GST_BUFFER_DATA (buffers_out[i]); - - self->func (out, in, channels, nframes); - - ret = gst_pad_push (pad, buffers_out[i]); - buffers_out[i] = NULL; - if (ret == GST_FLOW_OK) - pads_pushed++; - else if (ret == GST_FLOW_NOT_LINKED) - ret = GST_FLOW_OK; - else - goto push_failed; - } - } - - /* Return NOT_LINKED if no pad was linked */ - if (!pads_pushed) - ret = GST_FLOW_NOT_LINKED; - -done: - gst_buffer_unref (buf); - g_free (buffers_out); - return ret; - -alloc_buffer_failed: - { - GST_WARNING ("gst_pad_alloc_buffer() returned %s", gst_flow_get_name (ret)); - goto clean_buffers; - - } -alloc_buffer_bad_size: - { - GST_WARNING ("called alloc_buffer(), but didn't get requested bytes"); - ret = GST_FLOW_NOT_NEGOTIATED; - goto clean_buffers; - } -invalid_caps: - { - GST_WARNING ("called alloc_buffer(), but didn't get requested caps"); - ret = GST_FLOW_NOT_NEGOTIATED; - goto clean_buffers; - } -push_failed: - { - GST_DEBUG ("push() failed, flow = %s", gst_flow_get_name (ret)); - goto clean_buffers; - } -clean_buffers: - { - for (i = 0; i < channels; i++) { - if (buffers_out[i]) - gst_buffer_unref (buffers_out[i]); - } - gst_buffer_unref (buf); - g_free (buffers_out); - return ret; - } -} - -static GstFlowReturn -gst_deinterleave_chain (GstPad * pad, GstBuffer * buffer) -{ - GstDeinterleave *self = GST_DEINTERLEAVE (GST_PAD_PARENT (pad)); - - GstFlowReturn ret; - - g_return_val_if_fail (self->func != NULL, GST_FLOW_NOT_NEGOTIATED); - g_return_val_if_fail (self->width > 0, GST_FLOW_NOT_NEGOTIATED); - g_return_val_if_fail (self->channels > 0, GST_FLOW_NOT_NEGOTIATED); - - ret = gst_deinterleave_process (self, buffer); - - if (ret != GST_FLOW_OK) - GST_DEBUG_OBJECT (self, "flow return: %s", gst_flow_get_name (ret)); - - return ret; -} - -static gboolean -gst_deinterleave_sink_activate_push (GstPad * pad, gboolean active) -{ - GstDeinterleave *self = GST_DEINTERLEAVE (gst_pad_get_parent (pad)); - - /* Reset everything when the pad is deactivated */ - if (!active) { - gst_deinterleave_remove_pads (self); - if (self->pos) { - g_free (self->pos); - self->pos = NULL; - } - self->channels = 0; - self->width = 0; - self->func = NULL; - - if (self->pending_events) { - g_list_foreach (self->pending_events, (GFunc) gst_mini_object_unref, - NULL); - g_list_free (self->pending_events); - self->pending_events = NULL; - } - } - - gst_object_unref (self); - - return TRUE; -} diff --git a/gst/interleave/deinterleave.h b/gst/interleave/deinterleave.h deleted file mode 100644 index fe8ec75d..00000000 --- a/gst/interleave/deinterleave.h +++ /dev/null @@ -1,75 +0,0 @@ -/* GStreamer - * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> - * 2000 Wim Taymans <wtay@chello.be> - * 2005 Wim Taymans <wim@fluendo.com> - * 2007 Andy Wingo <wingo at pobox.com> - * 2008 Sebastian Dröge <slomo@circular-chaos.org> - * - * deinterleave.c: deinterleave samples - * - * 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. - */ - -#ifndef __DEINTERLEAVE_H__ -#define __DEINTERLEAVE_H__ - -G_BEGIN_DECLS - -#include <gst/gst.h> -#include <gst/audio/multichannel.h> - -#define GST_TYPE_DEINTERLEAVE (gst_deinterleave_get_type()) -#define GST_DEINTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEINTERLEAVE,GstDeinterleave)) -#define GST_DEINTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEINTERLEAVE,GstDeinterleaveClass)) -#define GST_DEINTERLEAVE_GET_CLASS(obj) \ - (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_DEINTERLEAVE,GstDeinterleaveClass)) -#define GST_IS_DEINTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEINTERLEAVE)) -#define GST_IS_DEINTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEINTERLEAVE)) - -typedef struct _GstDeinterleave GstDeinterleave; -typedef struct _GstDeinterleaveClass GstDeinterleaveClass; - -typedef void (*GstDeinterleaveFunc) (gpointer out, gpointer in, guint stride, guint nframes); - -struct _GstDeinterleave -{ - GstElement element; - - /*< private > */ - GList *srcpads; - GstCaps *sinkcaps; - gint channels; - GstAudioChannelPosition *pos; - gboolean keep_positions; - - GstPad *sink; - - gint width; - GstDeinterleaveFunc func; - - GList *pending_events; -}; - -struct _GstDeinterleaveClass -{ - GstElementClass parent_class; -}; - -GType gst_deinterleave_get_type (void); - -G_END_DECLS - -#endif /* __DEINTERLEAVE_H__ */ diff --git a/gst/interleave/interleave.c b/gst/interleave/interleave.c deleted file mode 100644 index 831e928f..00000000 --- a/gst/interleave/interleave.c +++ /dev/null @@ -1,1352 +0,0 @@ -/* GStreamer - * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> - * 2000 Wim Taymans <wtay@chello.be> - * 2005 Wim Taymans <wim@fluendo.com> - * 2007 Andy Wingo <wingo at pobox.com> - * 2008 Sebastian Dröge <slomo@circular-chaos.rg> - * - * interleave.c: interleave samples, mostly based on adder. - * - * 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. - */ - -/* TODO: - * - handle caps changes - * - handle more queries/events - */ - -/** - * SECTION:element-interleave - * @see_also: deinterleave - * - * Merges separate mono inputs into one interleaved stream. - * - * This element handles all raw floating point sample formats and all signed integer sample formats. The first - * caps on one of the sinkpads will set the caps of the output so usually an audioconvert element should be - * placed before every sinkpad of interleave. - * - * It's possible to change the number of channels while the pipeline is running by adding or removing - * some of the request pads but this will change the caps of the output buffers. Changing the input - * caps is _not_ supported yet. - * - * The channel number of every sinkpad in the out can be retrieved from the "channel" property of the pad. - * - * <refsect2> - * <title>Example launch line</title> - * |[ - * gst-launch-0.10 filesrc location=file.mp3 ! decodebin ! audioconvert ! "audio/x-raw-int,channels=2" ! deinterleave name=d interleave name=i ! audioconvert ! wavenc ! filesink location=test.wav d.src0 ! queue ! audioconvert ! i.sink1 d.src1 ! queue ! audioconvert ! i.sink0 - * ]| Decodes and deinterleaves a Stereo MP3 file into separate channels and - * then interleaves the channels again to a WAV file with the channel with the - * channels exchanged. - * |[ - * gst-launch-0.10 interleave name=i ! audioconvert ! wavenc ! filesink location=file.wav filesrc location=file1.wav ! decodebin ! audioconvert ! "audio/x-raw-int,channels=1" ! queue ! i.sink0 filesrc location=file2.wav ! decodebin ! audioconvert ! "audio/x-raw-int,channels=1" ! queue ! i.sink1 - * ]| Interleaves two Mono WAV files to a single Stereo WAV file. - * </refsect2> - */ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include <gst/gst.h> -#include <string.h> -#include "interleave.h" - -#include <gst/audio/multichannel.h> - -GST_DEBUG_CATEGORY_STATIC (gst_interleave_debug); -#define GST_CAT_DEFAULT gst_interleave_debug - -static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink%d", - GST_PAD_SINK, - GST_PAD_REQUEST, - GST_STATIC_CAPS ("audio/x-raw-int, " - "rate = (int) [ 1, MAX ], " - "channels = (int) 1, " - "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " - "width = (int) { 8, 16, 24, 32 }, " - "depth = (int) [ 1, 32 ], " - "signed = (boolean) true; " - "audio/x-raw-float, " - "rate = (int) [ 1, MAX ], " - "channels = (int) 1, " - "endianness = (int) { LITTLE_ENDIAN , BIG_ENDIAN }, " - "width = (int) { 32, 64 }") - ); - -static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("audio/x-raw-int, " - "rate = (int) [ 1, MAX ], " - "channels = (int) [ 1, MAX ], " - "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " - "width = (int) { 8, 16, 24, 32 }, " - "depth = (int) [ 1, 32 ], " - "signed = (boolean) true; " - "audio/x-raw-float, " - "rate = (int) [ 1, MAX ], " - "channels = (int) [ 1, MAX ], " - "endianness = (int) { LITTLE_ENDIAN , BIG_ENDIAN }, " - "width = (int) { 32, 64 }") - ); - -#define MAKE_FUNC(type) \ -static void interleave_##type (guint##type *out, guint##type *in, \ - guint stride, guint nframes) \ -{ \ - gint i; \ - \ - for (i = 0; i < nframes; i++) { \ - *out = in[i]; \ - out += stride; \ - } \ -} - -MAKE_FUNC (8); -MAKE_FUNC (16); -MAKE_FUNC (32); -MAKE_FUNC (64); - -static void -interleave_24 (guint8 * out, guint8 * in, guint stride, guint nframes) -{ - gint i; - - for (i = 0; i < nframes; i++) { - memcpy (out, in, 3); - out += stride * 3; - in += 3; - } -} - -typedef struct -{ - GstPad parent; - guint channel; -} GstInterleavePad; - -enum -{ - PROP_PAD_0, - PROP_PAD_CHANNEL -}; - -static void gst_interleave_pad_class_init (GstPadClass * klass); - -#define GST_TYPE_INTERLEAVE_PAD (gst_interleave_pad_get_type()) -#define GST_INTERLEAVE_PAD(pad) (G_TYPE_CHECK_INSTANCE_CAST((pad),GST_TYPE_INTERLEAVE_PAD,GstInterleavePad)) -#define GST_INTERLEAVE_PAD_CAST(pad) ((GstInterleavePad *) pad) -#define GST_IS_INTERLEAVE_PAD(pad) (G_TYPE_CHECK_INSTANCE_TYPE((pad),GST_TYPE_INTERLEAVE_PAD)) -static GType -gst_interleave_pad_get_type (void) -{ - static GType type = 0; - - if (G_UNLIKELY (type == 0)) { - type = g_type_register_static_simple (GST_TYPE_PAD, - g_intern_static_string ("GstInterleavePad"), sizeof (GstPadClass), - (GClassInitFunc) gst_interleave_pad_class_init, - sizeof (GstInterleavePad), NULL, 0); - } - return type; -} - -static void -gst_interleave_pad_get_property (GObject * object, - guint prop_id, GValue * value, GParamSpec * pspec) -{ - GstInterleavePad *self = GST_INTERLEAVE_PAD (object); - - switch (prop_id) { - case PROP_PAD_CHANNEL: - g_value_set_uint (value, self->channel); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_interleave_pad_class_init (GstPadClass * klass) -{ - GObjectClass *gobject_class = (GObjectClass *) klass; - - gobject_class->get_property = gst_interleave_pad_get_property; - - g_object_class_install_property (gobject_class, - PROP_PAD_CHANNEL, - g_param_spec_uint ("channel", - "Channel number", - "Number of the channel of this pad in the output", 0, G_MAXUINT, 0, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); -} - -GST_BOILERPLATE (GstInterleave, gst_interleave, GstElement, GST_TYPE_ELEMENT); - -enum -{ - PROP_0, - PROP_CHANNEL_POSITIONS, - PROP_CHANNEL_POSITIONS_FROM_INPUT -}; - -static void gst_interleave_set_property (GObject * object, - guint prop_id, const GValue * value, GParamSpec * pspec); -static void gst_interleave_get_property (GObject * object, - guint prop_id, GValue * value, GParamSpec * pspec); - -static GstPad *gst_interleave_request_new_pad (GstElement * element, - GstPadTemplate * templ, const gchar * name); -static void gst_interleave_release_pad (GstElement * element, GstPad * pad); - -static GstStateChangeReturn gst_interleave_change_state (GstElement * element, - GstStateChange transition); - -static gboolean gst_interleave_src_query (GstPad * pad, GstQuery * query); - -static gboolean gst_interleave_src_event (GstPad * pad, GstEvent * event); - -static gboolean gst_interleave_sink_event (GstPad * pad, GstEvent * event); - -static gboolean gst_interleave_sink_setcaps (GstPad * pad, GstCaps * caps); - -static GstCaps *gst_interleave_sink_getcaps (GstPad * pad); - -static GstFlowReturn gst_interleave_collected (GstCollectPads * pads, - GstInterleave * self); - -static void -gst_interleave_finalize (GObject * object) -{ - GstInterleave *self = GST_INTERLEAVE (object); - - if (self->collect) { - gst_object_unref (self->collect); - self->collect = NULL; - } - - if (self->channel_positions - && self->channel_positions != self->input_channel_positions) { - g_value_array_free (self->channel_positions); - self->channel_positions = NULL; - } - - if (self->input_channel_positions) { - g_value_array_free (self->input_channel_positions); - self->input_channel_positions = NULL; - } - - gst_caps_replace (&self->sinkcaps, NULL); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static gboolean -gst_interleave_check_channel_positions (GValueArray * positions) -{ - gint i; - - guint channels; - - GstAudioChannelPosition *pos; - - gboolean ret; - - channels = positions->n_values; - pos = g_new (GstAudioChannelPosition, positions->n_values); - - for (i = 0; i < channels; i++) { - GValue *v = g_value_array_get_nth (positions, i); - - pos[i] = g_value_get_enum (v); - } - - ret = gst_audio_check_channel_positions (pos, channels); - g_free (pos); - - return ret; -} - -static void -gst_interleave_set_channel_positions (GstInterleave * self, GstStructure * s) -{ - GValue pos_array = { 0, }; - gint i; - - g_value_init (&pos_array, GST_TYPE_ARRAY); - - if (self->channel_positions - && self->channels == self->channel_positions->n_values - && gst_interleave_check_channel_positions (self->channel_positions)) { - GST_DEBUG_OBJECT (self, "Using provided channel positions"); - for (i = 0; i < self->channels; i++) - gst_value_array_append_value (&pos_array, - g_value_array_get_nth (self->channel_positions, i)); - } else { - GValue pos_none = { 0, }; - - GST_WARNING_OBJECT (self, "Using NONE channel positions"); - - g_value_init (&pos_none, GST_TYPE_AUDIO_CHANNEL_POSITION); - g_value_set_enum (&pos_none, GST_AUDIO_CHANNEL_POSITION_NONE); - - for (i = 0; i < self->channels; i++) - gst_value_array_append_value (&pos_array, &pos_none); - - g_value_unset (&pos_none); - } - gst_structure_set_value (s, "channel-positions", &pos_array); - g_value_unset (&pos_array); -} - -static void -gst_interleave_base_init (gpointer g_class) -{ - gst_element_class_set_details_simple (g_class, "Audio interleaver", - "Filter/Converter/Audio", - "Folds many mono channels into one interleaved audio stream", - "Andy Wingo <wingo at pobox.com>, " - "Sebastian Dröge <slomo@circular-chaos.org>"); - - gst_element_class_add_pad_template (g_class, - gst_static_pad_template_get (&sink_template)); - gst_element_class_add_pad_template (g_class, - gst_static_pad_template_get (&src_template)); -} - -static void -gst_interleave_class_init (GstInterleaveClass * klass) -{ - GstElementClass *gstelement_class; - - GObjectClass *gobject_class; - - gobject_class = G_OBJECT_CLASS (klass); - gstelement_class = GST_ELEMENT_CLASS (klass); - - GST_DEBUG_CATEGORY_INIT (gst_interleave_debug, "interleave", 0, - "interleave element"); - - /* Reference GstInterleavePad class to have the type registered from - * a threadsafe context - */ - g_type_class_ref (GST_TYPE_INTERLEAVE_PAD); - - gobject_class->finalize = gst_interleave_finalize; - gobject_class->set_property = gst_interleave_set_property; - gobject_class->get_property = gst_interleave_get_property; - - /** - * GstInterleave:channel-positions - * - * Channel positions: This property controls the channel positions - * that are used on the src caps. The number of elements should be - * the same as the number of sink pads and the array should contain - * a valid list of channel positions. The n-th element of the array - * is the position of the n-th sink pad. - * - * These channel positions will only be used if they're valid and the - * number of elements is the same as the number of channels. If this - * is not given a NONE layout will be used. - * - */ - g_object_class_install_property (gobject_class, PROP_CHANNEL_POSITIONS, - g_param_spec_value_array ("channel-positions", "Channel positions", - "Channel positions used on the output", - g_param_spec_enum ("channel-position", "Channel position", - "Channel position of the n-th input", - GST_TYPE_AUDIO_CHANNEL_POSITION, - GST_AUDIO_CHANNEL_POSITION_NONE, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS), - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - /** - * GstInterleave:channel-positions-from-input - * - * Channel positions from input: If this property is set to %TRUE the channel - * positions will be taken from the input caps if valid channel positions for - * the output can be constructed from them. If this is set to %TRUE setting the - * channel-positions property overwrites this property again. - * - */ - g_object_class_install_property (gobject_class, - PROP_CHANNEL_POSITIONS_FROM_INPUT, - g_param_spec_boolean ("channel-positions-from-input", - "Channel positions from input", - "Take channel positions from the input", TRUE, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - gstelement_class->request_new_pad = - GST_DEBUG_FUNCPTR (gst_interleave_request_new_pad); - gstelement_class->release_pad = - GST_DEBUG_FUNCPTR (gst_interleave_release_pad); - gstelement_class->change_state = - GST_DEBUG_FUNCPTR (gst_interleave_change_state); -} - -static void -gst_interleave_init (GstInterleave * self, GstInterleaveClass * klass) -{ - self->src = gst_pad_new_from_static_template (&src_template, "src"); - - gst_pad_set_query_function (self->src, - GST_DEBUG_FUNCPTR (gst_interleave_src_query)); - gst_pad_set_event_function (self->src, - GST_DEBUG_FUNCPTR (gst_interleave_src_event)); - - gst_element_add_pad (GST_ELEMENT (self), self->src); - - self->collect = gst_collect_pads_new (); - gst_collect_pads_set_function (self->collect, - (GstCollectPadsFunction) gst_interleave_collected, self); - - self->input_channel_positions = g_value_array_new (0); - self->channel_positions_from_input = TRUE; - self->channel_positions = self->input_channel_positions; -} - -static void -gst_interleave_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstInterleave *self = GST_INTERLEAVE (object); - - switch (prop_id) { - case PROP_CHANNEL_POSITIONS: - if (self->channel_positions && - self->channel_positions != self->input_channel_positions) - g_value_array_free (self->channel_positions); - - self->channel_positions = g_value_dup_boxed (value); - self->channel_positions_from_input = FALSE; - break; - case PROP_CHANNEL_POSITIONS_FROM_INPUT: - self->channel_positions_from_input = g_value_get_boolean (value); - - if (self->channel_positions_from_input) { - if (self->channel_positions && - self->channel_positions != self->input_channel_positions) - g_value_array_free (self->channel_positions); - self->channel_positions = self->input_channel_positions; - } - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_interleave_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec) -{ - GstInterleave *self = GST_INTERLEAVE (object); - - switch (prop_id) { - case PROP_CHANNEL_POSITIONS: - g_value_set_boxed (value, self->channel_positions); - break; - case PROP_CHANNEL_POSITIONS_FROM_INPUT: - g_value_set_boolean (value, self->channel_positions_from_input); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static GstPad * -gst_interleave_request_new_pad (GstElement * element, GstPadTemplate * templ, - const gchar * req_name) -{ - GstInterleave *self = GST_INTERLEAVE (element); - - GstPad *new_pad; - - gchar *pad_name; - - gint channels, padnumber; - GValue val = { 0, }; - - if (templ->direction != GST_PAD_SINK) - goto not_sink_pad; - - channels = g_atomic_int_exchange_and_add (&self->channels, 1); - padnumber = g_atomic_int_exchange_and_add (&self->padcounter, 1); - - pad_name = g_strdup_printf ("sink%d", padnumber); - new_pad = GST_PAD_CAST (g_object_new (GST_TYPE_INTERLEAVE_PAD, - "name", pad_name, "direction", templ->direction, - "template", templ, NULL)); - GST_INTERLEAVE_PAD_CAST (new_pad)->channel = channels; - GST_DEBUG_OBJECT (self, "requested new pad %s", pad_name); - g_free (pad_name); - - gst_pad_set_setcaps_function (new_pad, - GST_DEBUG_FUNCPTR (gst_interleave_sink_setcaps)); - gst_pad_set_getcaps_function (new_pad, - GST_DEBUG_FUNCPTR (gst_interleave_sink_getcaps)); - - gst_collect_pads_add_pad (self->collect, new_pad, sizeof (GstCollectData)); - - /* FIXME: hacked way to override/extend the event function of - * GstCollectPads; because it sets its own event function giving the - * element no access to events */ - self->collect_event = (GstPadEventFunction) GST_PAD_EVENTFUNC (new_pad); - gst_pad_set_event_function (new_pad, - GST_DEBUG_FUNCPTR (gst_interleave_sink_event)); - - if (!gst_element_add_pad (element, new_pad)) - goto could_not_add; - - g_value_init (&val, GST_TYPE_AUDIO_CHANNEL_POSITION); - g_value_set_enum (&val, GST_AUDIO_CHANNEL_POSITION_NONE); - self->input_channel_positions = - g_value_array_append (self->input_channel_positions, &val); - g_value_unset (&val); - - /* Update the src caps if we already have them */ - if (self->sinkcaps) { - GstCaps *srccaps; - - GstStructure *s; - - /* Take lock to make sure processing finishes first */ - GST_OBJECT_LOCK (self->collect); - - srccaps = gst_caps_copy (self->sinkcaps); - s = gst_caps_get_structure (srccaps, 0); - - gst_structure_set (s, "channels", G_TYPE_INT, self->channels, NULL); - gst_interleave_set_channel_positions (self, s); - - gst_pad_set_caps (self->src, srccaps); - gst_caps_unref (srccaps); - - GST_OBJECT_UNLOCK (self->collect); - } - - return new_pad; - - /* errors */ -not_sink_pad: - { - g_warning ("interleave: requested new pad that is not a SINK pad\n"); - return NULL; - } -could_not_add: - { - GST_DEBUG_OBJECT (self, "could not add pad %s", GST_PAD_NAME (new_pad)); - gst_collect_pads_remove_pad (self->collect, new_pad); - gst_object_unref (new_pad); - return NULL; - } -} - -static void -gst_interleave_release_pad (GstElement * element, GstPad * pad) -{ - GstInterleave *self = GST_INTERLEAVE (element); - - GList *l; - - g_return_if_fail (GST_IS_INTERLEAVE_PAD (pad)); - - /* Take lock to make sure we're not changing this when processing buffers */ - GST_OBJECT_LOCK (self->collect); - - g_atomic_int_add (&self->channels, -1); - - g_value_array_remove (self->input_channel_positions, - GST_INTERLEAVE_PAD_CAST (pad)->channel); - - /* Update channel numbers */ - GST_OBJECT_LOCK (self); - for (l = GST_ELEMENT_CAST (self)->sinkpads; l != NULL; l = l->next) { - GstInterleavePad *ipad = GST_INTERLEAVE_PAD (l->data); - - if (GST_INTERLEAVE_PAD_CAST (pad)->channel < ipad->channel) - ipad->channel--; - } - GST_OBJECT_UNLOCK (self); - - /* Update the src caps if we already have them */ - if (self->sinkcaps) { - if (self->channels > 0) { - GstCaps *srccaps; - - GstStructure *s; - - srccaps = gst_caps_copy (self->sinkcaps); - s = gst_caps_get_structure (srccaps, 0); - - gst_structure_set (s, "channels", G_TYPE_INT, self->channels, NULL); - gst_interleave_set_channel_positions (self, s); - - gst_pad_set_caps (self->src, srccaps); - gst_caps_unref (srccaps); - } else { - gst_caps_replace (&self->sinkcaps, NULL); - gst_pad_set_caps (self->src, NULL); - } - } - - GST_OBJECT_UNLOCK (self->collect); - - gst_collect_pads_remove_pad (self->collect, pad); - gst_element_remove_pad (element, pad); -} - -static GstStateChangeReturn -gst_interleave_change_state (GstElement * element, GstStateChange transition) -{ - GstInterleave *self; - - GstStateChangeReturn ret; - - self = GST_INTERLEAVE (element); - - switch (transition) { - case GST_STATE_CHANGE_NULL_TO_READY: - break; - case GST_STATE_CHANGE_READY_TO_PAUSED: - self->timestamp = 0; - self->offset = 0; - self->segment_pending = TRUE; - self->segment_position = 0; - self->segment_rate = 1.0; - gst_segment_init (&self->segment, GST_FORMAT_UNDEFINED); - gst_collect_pads_start (self->collect); - break; - case GST_STATE_CHANGE_PAUSED_TO_PLAYING: - break; - default: - break; - } - - /* Stop before calling the parent's state change function as - * GstCollectPads might take locks and we would deadlock in that - * case - */ - if (transition == GST_STATE_CHANGE_PAUSED_TO_READY) - gst_collect_pads_stop (self->collect); - - ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); - - switch (transition) { - case GST_STATE_CHANGE_PLAYING_TO_PAUSED: - break; - case GST_STATE_CHANGE_PAUSED_TO_READY: - gst_pad_set_caps (self->src, NULL); - gst_caps_replace (&self->sinkcaps, NULL); - break; - case GST_STATE_CHANGE_READY_TO_NULL: - break; - default: - break; - } - - return ret; -} - -static void -__remove_channels (GstCaps * caps) -{ - GstStructure *s; - - gint i, size; - - size = gst_caps_get_size (caps); - for (i = 0; i < size; i++) { - s = gst_caps_get_structure (caps, i); - gst_structure_remove_field (s, "channel-positions"); - gst_structure_remove_field (s, "channels"); - } -} - -static void -__set_channels (GstCaps * caps, gint channels) -{ - GstStructure *s; - - gint i, size; - - size = gst_caps_get_size (caps); - for (i = 0; i < size; i++) { - s = gst_caps_get_structure (caps, i); - if (channels > 0) - gst_structure_set (s, "channels", G_TYPE_INT, channels, NULL); - else - gst_structure_set (s, "channels", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL); - } -} - -/* we can only accept caps that we and downstream can handle. */ -static GstCaps * -gst_interleave_sink_getcaps (GstPad * pad) -{ - GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad)); - - GstCaps *result, *peercaps, *sinkcaps; - - GST_OBJECT_LOCK (self); - - /* If we already have caps on one of the sink pads return them */ - if (self->sinkcaps) { - result = gst_caps_copy (self->sinkcaps); - } else { - /* get the downstream possible caps */ - peercaps = gst_pad_peer_get_caps (self->src); - /* get the allowed caps on this sinkpad */ - sinkcaps = gst_caps_copy (gst_pad_get_pad_template_caps (pad)); - __remove_channels (sinkcaps); - if (peercaps) { - __remove_channels (peercaps); - /* if the peer has caps, intersect */ - GST_DEBUG_OBJECT (pad, "intersecting peer and template caps"); - result = gst_caps_intersect (peercaps, sinkcaps); - gst_caps_unref (peercaps); - gst_caps_unref (sinkcaps); - } else { - /* the peer has no caps (or there is no peer), just use the allowed caps - * of this sinkpad. */ - GST_DEBUG_OBJECT (pad, "no peer caps, using sinkcaps"); - result = sinkcaps; - } - __set_channels (result, 1); - } - - GST_OBJECT_UNLOCK (self); - - gst_object_unref (self); - - GST_DEBUG_OBJECT (pad, "Returning caps %" GST_PTR_FORMAT, result); - - return result; -} - -static void -gst_interleave_set_process_function (GstInterleave * self) -{ - switch (self->width) { - case 8: - self->func = (GstInterleaveFunc) interleave_8; - break; - case 16: - self->func = (GstInterleaveFunc) interleave_16; - break; - case 24: - self->func = (GstInterleaveFunc) interleave_24; - break; - case 32: - self->func = (GstInterleaveFunc) interleave_32; - break; - case 64: - self->func = (GstInterleaveFunc) interleave_64; - break; - default: - g_assert_not_reached (); - break; - } -} - -static gboolean -gst_interleave_sink_setcaps (GstPad * pad, GstCaps * caps) -{ - GstInterleave *self; - - g_return_val_if_fail (GST_IS_INTERLEAVE_PAD (pad), FALSE); - - self = GST_INTERLEAVE (gst_pad_get_parent (pad)); - - /* First caps that are set on a sink pad are used as output caps */ - /* TODO: handle caps changes */ - if (self->sinkcaps && !gst_caps_is_subset (caps, self->sinkcaps)) { - goto cannot_change_caps; - } else { - GstCaps *srccaps; - - GstStructure *s; - - gboolean res; - - s = gst_caps_get_structure (caps, 0); - - if (!gst_structure_get_int (s, "width", &self->width)) - goto no_width; - - if (!gst_structure_get_int (s, "rate", &self->rate)) - goto no_rate; - - gst_interleave_set_process_function (self); - - if (gst_structure_has_field (s, "channel-positions")) { - const GValue *pos_array; - - pos_array = gst_structure_get_value (s, "channel-positions"); - if (GST_VALUE_HOLDS_ARRAY (pos_array) - && gst_value_array_get_size (pos_array) == 1) { - const GValue *pos = gst_value_array_get_value (pos_array, 0); - - GValue *apos = g_value_array_get_nth (self->input_channel_positions, - GST_INTERLEAVE_PAD_CAST (pad)->channel); - - g_value_set_enum (apos, g_value_get_enum (pos)); - } - } - - srccaps = gst_caps_copy (caps); - s = gst_caps_get_structure (srccaps, 0); - - gst_structure_set (s, "channels", G_TYPE_INT, self->channels, NULL); - gst_interleave_set_channel_positions (self, s); - - res = gst_pad_set_caps (self->src, srccaps); - gst_caps_unref (srccaps); - - if (!res) - goto src_did_not_accept; - } - - if (!self->sinkcaps) { - GstCaps *sinkcaps = gst_caps_copy (caps); - - GstStructure *s = gst_caps_get_structure (sinkcaps, 0); - - gst_structure_remove_field (s, "channel-positions"); - - gst_caps_replace (&self->sinkcaps, sinkcaps); - - gst_caps_unref (sinkcaps); - } - - gst_object_unref (self); - - return TRUE; - -cannot_change_caps: - { - GST_DEBUG_OBJECT (self, "caps of %" GST_PTR_FORMAT " already set, can't " - "change", self->sinkcaps); - gst_object_unref (self); - return FALSE; - } -src_did_not_accept: - { - GST_DEBUG_OBJECT (self, "src did not accept setcaps()"); - gst_object_unref (self); - return FALSE; - } -no_width: - { - GST_WARNING_OBJECT (self, "caps did not have width: %" GST_PTR_FORMAT, - caps); - gst_object_unref (self); - return FALSE; - } -no_rate: - { - GST_WARNING_OBJECT (self, "caps did not have rate: %" GST_PTR_FORMAT, caps); - gst_object_unref (self); - return FALSE; - } -} - -static gboolean -gst_interleave_sink_event (GstPad * pad, GstEvent * event) -{ - GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad)); - - gboolean ret; - - GST_DEBUG ("Got %s event on pad %s:%s", GST_EVENT_TYPE_NAME (event), - GST_DEBUG_PAD_NAME (pad)); - - switch (GST_EVENT_TYPE (event)) { - case GST_EVENT_FLUSH_STOP: - /* mark a pending new segment. This event is synchronized - * with the streaming thread so we can safely update the - * variable without races. It's somewhat weird because we - * assume the collectpads forwarded the FLUSH_STOP past us - * and downstream (using our source pad, the bastard!). - */ - self->segment_pending = TRUE; - break; - default: - break; - } - - /* now GstCollectPads can take care of the rest, e.g. EOS */ - ret = self->collect_event (pad, event); - - gst_object_unref (self); - return ret; -} - -static gboolean -gst_interleave_src_query_duration (GstInterleave * self, GstQuery * query) -{ - gint64 max; - - gboolean res; - - GstFormat format; - - GstIterator *it; - - gboolean done; - - /* parse format */ - gst_query_parse_duration (query, &format, NULL); - - max = -1; - res = TRUE; - done = FALSE; - - /* Take maximum of all durations */ - it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (self)); - while (!done) { - GstIteratorResult ires; - - gpointer item; - - ires = gst_iterator_next (it, &item); - switch (ires) { - case GST_ITERATOR_DONE: - done = TRUE; - break; - case GST_ITERATOR_OK: - { - GstPad *pad = GST_PAD_CAST (item); - - gint64 duration; - - /* ask sink peer for duration */ - res &= gst_pad_query_peer_duration (pad, &format, &duration); - /* take max from all valid return values */ - if (res) { - /* valid unknown length, stop searching */ - if (duration == -1) { - max = duration; - done = TRUE; - } - /* else see if bigger than current max */ - else if (duration > max) - max = duration; - } - gst_object_unref (pad); - break; - } - case GST_ITERATOR_RESYNC: - max = -1; - res = TRUE; - gst_iterator_resync (it); - break; - default: - res = FALSE; - done = TRUE; - break; - } - } - gst_iterator_free (it); - - if (res) { - /* If in bytes format we have to multiply with the number of channels - * to get the correct results. All other formats should be fine */ - if (format == GST_FORMAT_BYTES && max != -1) - max *= self->channels; - - /* and store the max */ - GST_DEBUG_OBJECT (self, "Total duration in format %s: %" - GST_TIME_FORMAT, gst_format_get_name (format), GST_TIME_ARGS (max)); - gst_query_set_duration (query, format, max); - } - - return res; -} - -static gboolean -gst_interleave_src_query_latency (GstInterleave * self, GstQuery * query) -{ - GstClockTime min, max; - - gboolean live; - - gboolean res; - - GstIterator *it; - - gboolean done; - - res = TRUE; - done = FALSE; - - live = FALSE; - min = 0; - max = GST_CLOCK_TIME_NONE; - - /* Take maximum of all latency values */ - it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (self)); - while (!done) { - GstIteratorResult ires; - - gpointer item; - - ires = gst_iterator_next (it, &item); - switch (ires) { - case GST_ITERATOR_DONE: - done = TRUE; - break; - case GST_ITERATOR_OK: - { - GstPad *pad = GST_PAD_CAST (item); - - GstQuery *peerquery; - - GstClockTime min_cur, max_cur; - - gboolean live_cur; - - peerquery = gst_query_new_latency (); - - /* Ask peer for latency */ - res &= gst_pad_peer_query (pad, peerquery); - - /* take max from all valid return values */ - if (res) { - gst_query_parse_latency (peerquery, &live_cur, &min_cur, &max_cur); - - if (min_cur > min) - min = min_cur; - - if (max_cur != GST_CLOCK_TIME_NONE && - ((max != GST_CLOCK_TIME_NONE && max_cur > max) || - (max == GST_CLOCK_TIME_NONE))) - max = max_cur; - - live = live || live_cur; - } - - gst_query_unref (peerquery); - gst_object_unref (pad); - break; - } - case GST_ITERATOR_RESYNC: - live = FALSE; - min = 0; - max = GST_CLOCK_TIME_NONE; - res = TRUE; - gst_iterator_resync (it); - break; - default: - res = FALSE; - done = TRUE; - break; - } - } - gst_iterator_free (it); - - if (res) { - /* store the results */ - GST_DEBUG_OBJECT (self, "Calculated total latency: live %s, min %" - GST_TIME_FORMAT ", max %" GST_TIME_FORMAT, - (live ? "yes" : "no"), GST_TIME_ARGS (min), GST_TIME_ARGS (max)); - gst_query_set_latency (query, live, min, max); - } - - return res; -} - -static gboolean -gst_interleave_src_query (GstPad * pad, GstQuery * query) -{ - GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad)); - - gboolean res = FALSE; - - switch (GST_QUERY_TYPE (query)) { - case GST_QUERY_POSITION: - { - GstFormat format; - - gst_query_parse_position (query, &format, NULL); - - switch (format) { - case GST_FORMAT_TIME: - /* FIXME, bring to stream time, might be tricky */ - gst_query_set_position (query, format, self->timestamp); - res = TRUE; - break; - case GST_FORMAT_BYTES: - gst_query_set_position (query, format, - self->offset * self->channels * self->width); - res = TRUE; - break; - case GST_FORMAT_DEFAULT: - gst_query_set_position (query, format, self->offset); - res = TRUE; - break; - default: - break; - } - break; - } - case GST_QUERY_DURATION: - res = gst_interleave_src_query_duration (self, query); - break; - case GST_QUERY_LATENCY: - res = gst_interleave_src_query_latency (self, query); - break; - default: - /* FIXME, needs a custom query handler because we have multiple - * sinkpads */ - res = gst_pad_query_default (pad, query); - break; - } - - gst_object_unref (self); - return res; -} - -static gboolean -forward_event_func (GstPad * pad, GValue * ret, GstEvent * event) -{ - gst_event_ref (event); - GST_LOG_OBJECT (pad, "About to send event %s", GST_EVENT_TYPE_NAME (event)); - if (!gst_pad_push_event (pad, event)) { - g_value_set_boolean (ret, FALSE); - GST_WARNING_OBJECT (pad, "Sending event %p (%s) failed.", - event, GST_EVENT_TYPE_NAME (event)); - } else { - GST_LOG_OBJECT (pad, "Sent event %p (%s).", - event, GST_EVENT_TYPE_NAME (event)); - } - gst_object_unref (pad); - return TRUE; -} - -static gboolean -forward_event (GstInterleave * self, GstEvent * event) -{ - gboolean ret; - - GstIterator *it; - GValue vret = { 0 }; - - GST_LOG_OBJECT (self, "Forwarding event %p (%s)", event, - GST_EVENT_TYPE_NAME (event)); - - ret = TRUE; - - g_value_init (&vret, G_TYPE_BOOLEAN); - g_value_set_boolean (&vret, TRUE); - it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (self)); - gst_iterator_fold (it, (GstIteratorFoldFunction) forward_event_func, &vret, - event); - gst_iterator_free (it); - gst_event_unref (event); - - ret = g_value_get_boolean (&vret); - - return ret; -} - - -static gboolean -gst_interleave_src_event (GstPad * pad, GstEvent * event) -{ - GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad)); - - gboolean result; - - switch (GST_EVENT_TYPE (event)) { - case GST_EVENT_QOS: - /* QoS might be tricky */ - result = FALSE; - break; - case GST_EVENT_SEEK: - { - GstSeekFlags flags; - - GstSeekType curtype; - - gint64 cur; - - /* parse the seek parameters */ - gst_event_parse_seek (event, &self->segment_rate, NULL, &flags, &curtype, - &cur, NULL, NULL); - - /* check if we are flushing */ - if (flags & GST_SEEK_FLAG_FLUSH) { - /* make sure we accept nothing anymore and return WRONG_STATE */ - gst_collect_pads_set_flushing (self->collect, TRUE); - - /* flushing seek, start flush downstream, the flush will be done - * when all pads received a FLUSH_STOP. */ - gst_pad_push_event (self->src, gst_event_new_flush_start ()); - } - - /* now wait for the collected to be finished and mark a new - * segment */ - GST_OBJECT_LOCK (self->collect); - if (curtype == GST_SEEK_TYPE_SET) - self->segment_position = cur; - else - self->segment_position = 0; - self->segment_pending = TRUE; - GST_OBJECT_UNLOCK (self->collect); - - result = forward_event (self, event); - break; - } - case GST_EVENT_NAVIGATION: - /* navigation is rather pointless. */ - result = FALSE; - break; - default: - /* just forward the rest for now */ - result = forward_event (self, event); - break; - } - gst_object_unref (self); - - return result; -} - -static GstFlowReturn -gst_interleave_collected (GstCollectPads * pads, GstInterleave * self) -{ - guint size; - - GstBuffer *outbuf; - - GstFlowReturn ret = GST_FLOW_OK; - - GSList *collected; - - guint nsamples; - - guint ncollected = 0; - - gboolean empty = TRUE; - - gint width = self->width / 8; - - g_return_val_if_fail (self->func != NULL, GST_FLOW_NOT_NEGOTIATED); - g_return_val_if_fail (self->width > 0, GST_FLOW_NOT_NEGOTIATED); - g_return_val_if_fail (self->channels > 0, GST_FLOW_NOT_NEGOTIATED); - g_return_val_if_fail (self->rate > 0, GST_FLOW_NOT_NEGOTIATED); - - size = gst_collect_pads_available (pads); - - g_return_val_if_fail (size % width == 0, GST_FLOW_ERROR); - - GST_DEBUG_OBJECT (self, "Starting to collect %u bytes from %d channels", size, - self->channels); - - nsamples = size / width; - - ret = - gst_pad_alloc_buffer (self->src, GST_BUFFER_OFFSET_NONE, - size * self->channels, GST_PAD_CAPS (self->src), &outbuf); - - if (ret != GST_FLOW_OK) { - return ret; - } else if (outbuf == NULL || GST_BUFFER_SIZE (outbuf) < size * self->channels) { - gst_buffer_unref (outbuf); - return GST_FLOW_NOT_NEGOTIATED; - } else if (!gst_caps_is_equal (GST_BUFFER_CAPS (outbuf), - GST_PAD_CAPS (self->src))) { - gst_buffer_unref (outbuf); - return GST_FLOW_NOT_NEGOTIATED; - } - - memset (GST_BUFFER_DATA (outbuf), 0, size * self->channels); - - for (collected = pads->data; collected != NULL; collected = collected->next) { - GstCollectData *cdata; - - GstBuffer *inbuf; - - guint8 *outdata; - - cdata = (GstCollectData *) collected->data; - - inbuf = gst_collect_pads_take_buffer (pads, cdata, size); - if (inbuf == NULL) { - GST_DEBUG_OBJECT (cdata->pad, "No buffer available"); - goto next; - } - ncollected++; - - if (GST_BUFFER_FLAG_IS_SET (inbuf, GST_BUFFER_FLAG_GAP)) - goto next; - - empty = FALSE; - outdata = - GST_BUFFER_DATA (outbuf) + - width * GST_INTERLEAVE_PAD_CAST (cdata->pad)->channel; - - self->func (outdata, GST_BUFFER_DATA (inbuf), self->channels, nsamples); - - next: - if (inbuf) - gst_buffer_unref (inbuf); - } - - if (ncollected == 0) - goto eos; - - if (self->segment_pending) { - GstEvent *event; - - event = gst_event_new_new_segment_full (FALSE, self->segment_rate, - 1.0, GST_FORMAT_TIME, self->timestamp, -1, self->segment_position); - - gst_pad_push_event (self->src, event); - self->segment_pending = FALSE; - self->segment_position = 0; - } - - GST_BUFFER_TIMESTAMP (outbuf) = self->timestamp; - GST_BUFFER_OFFSET (outbuf) = self->offset; - - self->offset += nsamples; - self->timestamp = gst_util_uint64_scale_int (self->offset, - GST_SECOND, self->rate); - - GST_BUFFER_DURATION (outbuf) = self->timestamp - - GST_BUFFER_TIMESTAMP (outbuf); - - if (empty) - GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_GAP); - - GST_LOG_OBJECT (self, "pushing outbuf, timestamp %" GST_TIME_FORMAT, - GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf))); - ret = gst_pad_push (self->src, outbuf); - - return ret; - -eos: - { - GST_DEBUG_OBJECT (self, "no data available, must be EOS"); - gst_buffer_unref (outbuf); - gst_pad_push_event (self->src, gst_event_new_eos ()); - return GST_FLOW_UNEXPECTED; - } -} diff --git a/gst/interleave/interleave.h b/gst/interleave/interleave.h deleted file mode 100644 index fb3b2741..00000000 --- a/gst/interleave/interleave.h +++ /dev/null @@ -1,89 +0,0 @@ -/* GStreamer - * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> - * 2000 Wim Taymans <wtay@chello.be> - * 2005 Wim Taymans <wim@fluendo.com> - * 2007 Andy Wingo <wingo at pobox.com> - * 2008 Sebastian Dröge <slomo@circular-chaos.org> - * - * interleave.c: interleave samples, mostly based on adder - * - * 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. - */ - -#ifndef __INTERLEAVE_H__ -#define __INTERLEAVE_H__ - -#include <gst/gst.h> -#include <gst/base/gstcollectpads.h> - -G_BEGIN_DECLS - -#define GST_TYPE_INTERLEAVE (gst_interleave_get_type()) -#define GST_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_INTERLEAVE,GstInterleave)) -#define GST_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_INTERLEAVE,GstInterleaveClass)) -#define GST_INTERLEAVE_GET_CLASS(obj) \ - (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_INTERLEAVE,GstInterleaveClass)) -#define GST_IS_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_INTERLEAVE)) -#define GST_IS_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_INTERLEAVE)) - -typedef struct _GstInterleave GstInterleave; -typedef struct _GstInterleaveClass GstInterleaveClass; - -typedef void (*GstInterleaveFunc) (gpointer out, gpointer in, guint stride, guint nframes); - -struct _GstInterleave -{ - GstElement element; - - /*< private >*/ - GstCollectPads *collect; - - gint channels; - gint padcounter; - gint rate; - gint width; - - GValueArray *channel_positions; - GValueArray *input_channel_positions; - gboolean channel_positions_from_input; - - GstCaps *sinkcaps; - - GstClockTime timestamp; - guint64 offset; - - gboolean segment_pending; - guint64 segment_position; - gdouble segment_rate; - GstSegment segment; - - GstPadEventFunction collect_event; - - GstInterleaveFunc func; - - GstPad *src; -}; - -struct _GstInterleaveClass -{ - GstElementClass parent_class; -}; - -GType gst_interleave_get_type (void); - -G_END_DECLS - -#endif /* __INTERLEAVE_H__ */ diff --git a/gst/interleave/plugin.c b/gst/interleave/plugin.c deleted file mode 100644 index 7017c45c..00000000 --- a/gst/interleave/plugin.c +++ /dev/null @@ -1,44 +0,0 @@ -/* GStreamer interleave plugin - * Copyright (C) 2004,2007 Andy Wingo <wingo at pobox.com> - * - * plugin.c: the stubs for the interleave plugin - * - * 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. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "plugin.h" - -static gboolean -plugin_init (GstPlugin * plugin) -{ - if (!gst_element_register (plugin, "interleave", - GST_RANK_NONE, gst_interleave_get_type ()) || - !gst_element_register (plugin, "deinterleave", - GST_RANK_NONE, gst_deinterleave_get_type ())) - return FALSE; - - return TRUE; -} - -GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "interleave", - "Audio interleaver/deinterleaver", - plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN); diff --git a/gst/interleave/plugin.h b/gst/interleave/plugin.h deleted file mode 100644 index 3e96a7e1..00000000 --- a/gst/interleave/plugin.h +++ /dev/null @@ -1,31 +0,0 @@ -/* GStreamer interleave plugin - * Copyright (C) 2004,2007 Andy Wingo <wingo at pobox.com> - * - * plugin.h: the stubs for the interleave plugin - * - * 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. - */ - - -#ifndef __GST_PLUGIN_INTERLEAVE_H__ -#define __GST_PLUGIN_INTERLEAVE_H__ - - -#include <gst/gst.h> -#include "interleave.h" -#include "deinterleave.h" - -#endif /* __GST_PLUGIN_INTERLEAVE_H__ */ |