-/* GStreamer
+/* GStreamer Speex Encoder
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* Boston, MA 02111-1307, USA.
*/
+/**
+ * SECTION:element-speexenc
+ * @see_also: speexdec, oggmux
+ *
+ * This element encodes audio as a Speex stream.
+ * <ulink url="http://www.speex.org/">Speex</ulink> is a royalty-free
+ * audio codec maintained by the <ulink url="http://www.xiph.org/">Xiph.org
+ * Foundation</ulink>.
+ *
+ * <refsect2>
+ * <title>Example pipelines</title>
+ * |[
+ * gst-launch audiotestsrc num-buffers=100 ! speexenc ! oggmux ! filesink location=beep.ogg
+ * ]| Encode an Ogg/Speex file.
+ * </refsect2>
+ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
+#include <stdlib.h>
#include <string.h>
+#include <time.h>
+#include <math.h>
+#include <speex/speex.h>
+#include <speex/speex_stereo.h>
+#include <gst/gsttagsetter.h>
+#include <gst/tag/tag.h>
+#include <gst/audio/audio.h>
#include "gstspeexenc.h"
-extern GstPadTemplate *speexenc_src_template, *speexenc_sink_template;
-
-/* elementfactory information */
-GstElementDetails gst_speexenc_details = {
- "speex audio encoder",
- "Codec/Audio/Encoder",
- "LGPL",
- ".speex",
- VERSION,
- "Wim Taymans <wim.taymans@chello.be>",
- "(C) 2000",
-};
+GST_DEBUG_CATEGORY_STATIC (speexenc_debug);
+#define GST_CAT_DEFAULT speexenc_debug
-/* SpeexEnc signals and args */
-enum {
- FRAME_ENCODED,
- /* FILL ME */
- LAST_SIGNAL
-};
+static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "rate = (int) [ 6000, 48000 ], "
+ "channels = (int) [ 1, 2 ], "
+ "endianness = (int) BYTE_ORDER, "
+ "signed = (boolean) TRUE, " "width = (int) 16, " "depth = (int) 16")
+ );
-enum {
- ARG_0,
- /* FILL ME */
+static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-speex, "
+ "rate = (int) [ 6000, 48000 ], " "channels = (int) [ 1, 2]")
+ );
+
+#define DEFAULT_QUALITY 8.0
+#define DEFAULT_BITRATE 0
+#define DEFAULT_MODE GST_SPEEX_ENC_MODE_AUTO
+#define DEFAULT_VBR FALSE
+#define DEFAULT_ABR 0
+#define DEFAULT_VAD FALSE
+#define DEFAULT_DTX FALSE
+#define DEFAULT_COMPLEXITY 3
+#define DEFAULT_NFRAMES 1
+
+enum
+{
+ PROP_0,
+ PROP_QUALITY,
+ PROP_BITRATE,
+ PROP_MODE,
+ PROP_VBR,
+ PROP_ABR,
+ PROP_VAD,
+ PROP_DTX,
+ PROP_COMPLEXITY,
+ PROP_NFRAMES,
+ PROP_LAST_MESSAGE
};
-static void gst_speexenc_class_init (GstSpeexEnc *klass);
-static void gst_speexenc_init (GstSpeexEnc *speexenc);
+#define GST_TYPE_SPEEX_ENC_MODE (gst_speex_enc_mode_get_type())
+static GType
+gst_speex_enc_mode_get_type (void)
+{
+ static GType speex_enc_mode_type = 0;
+ static const GEnumValue speex_enc_modes[] = {
+ {GST_SPEEX_ENC_MODE_AUTO, "Auto", "auto"},
+ {GST_SPEEX_ENC_MODE_UWB, "Ultra Wide Band", "uwb"},
+ {GST_SPEEX_ENC_MODE_WB, "Wide Band", "wb"},
+ {GST_SPEEX_ENC_MODE_NB, "Narrow Band", "nb"},
+ {0, NULL, NULL},
+ };
+ if (G_UNLIKELY (speex_enc_mode_type == 0)) {
+ speex_enc_mode_type = g_enum_register_static ("GstSpeexEncMode",
+ speex_enc_modes);
+ }
+ return speex_enc_mode_type;
+}
+
+#if 0
+static const GstFormat *
+gst_speex_enc_get_formats (GstPad * pad)
+{
+ static const GstFormat src_formats[] = {
+ GST_FORMAT_BYTES,
+ GST_FORMAT_TIME,
+ 0
+ };
+ static const GstFormat sink_formats[] = {
+ GST_FORMAT_BYTES,
+ GST_FORMAT_DEFAULT,
+ GST_FORMAT_TIME,
+ 0
+ };
+
+ return (GST_PAD_IS_SRC (pad) ? src_formats : sink_formats);
+}
+#endif
+
+static void gst_speex_enc_finalize (GObject * object);
-static void gst_speexenc_chain (GstPad *pad,GstBuffer *buf);
-static GstPadLinkReturn gst_speexenc_sinkconnect (GstPad *pad, GstCaps *caps);
+static gboolean gst_speex_enc_sinkevent (GstPad * pad, GstEvent * event);
+static GstFlowReturn gst_speex_enc_chain (GstPad * pad, GstBuffer * buf);
+static gboolean gst_speex_enc_setup (GstSpeexEnc * enc);
-static GstElementClass *parent_class = NULL;
-static guint gst_speexenc_signals[LAST_SIGNAL] = { 0 };
+static void gst_speex_enc_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static void gst_speex_enc_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static GstStateChangeReturn gst_speex_enc_change_state (GstElement * element,
+ GstStateChange transition);
-GType
-gst_speexenc_get_type (void)
+static GstFlowReturn gst_speex_enc_encode (GstSpeexEnc * enc, gboolean flush);
+
+static void
+gst_speex_enc_setup_interfaces (GType speexenc_type)
{
- static GType speexenc_type = 0;
-
- if (!speexenc_type) {
- static const GTypeInfo speexenc_info = {
- sizeof (GstSpeexEncClass),
- NULL,
- NULL,
- (GClassInitFunc) gst_speexenc_class_init,
- NULL,
- NULL,
- sizeof (GstSpeexEnc),
- 0,
- (GInstanceInitFunc) gst_speexenc_init,
- };
- speexenc_type = g_type_register_static (GST_TYPE_ELEMENT, "GstSpeexEnc", &speexenc_info, 0);
- }
- return speexenc_type;
+ static const GInterfaceInfo tag_setter_info = { NULL, NULL, NULL };
+ const GInterfaceInfo preset_interface_info = {
+ NULL, /* interface_init */
+ NULL, /* interface_finalize */
+ NULL /* interface_data */
+ };
+
+ g_type_add_interface_static (speexenc_type, GST_TYPE_TAG_SETTER,
+ &tag_setter_info);
+ g_type_add_interface_static (speexenc_type, GST_TYPE_PRESET,
+ &preset_interface_info);
+
+ GST_DEBUG_CATEGORY_INIT (speexenc_debug, "speexenc", 0, "Speex encoder");
+}
+
+GST_BOILERPLATE_FULL (GstSpeexEnc, gst_speex_enc, GstElement, GST_TYPE_ELEMENT,
+ gst_speex_enc_setup_interfaces);
+
+static void
+gst_speex_enc_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 (&src_factory));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_factory));
+ gst_element_class_set_details_simple (element_class, "Speex audio encoder",
+ "Codec/Encoder/Audio",
+ "Encodes audio in Speex format", "Wim Taymans <wim@fluendo.com>");
}
static void
-gst_speexenc_class_init (GstSpeexEnc *klass)
+gst_speex_enc_class_init (GstSpeexEncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*) klass;
- gstelement_class = (GstElementClass*) klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+ gobject_class->set_property = gst_speex_enc_set_property;
+ gobject_class->get_property = gst_speex_enc_get_property;
- gst_speexenc_signals[FRAME_ENCODED] =
- g_signal_new ("frame_encoded", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (GstSpeexEncClass, frame_encoded), NULL, NULL,
- g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
-}
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QUALITY,
+ g_param_spec_float ("quality", "Quality", "Encoding quality",
+ 0.0, 10.0, DEFAULT_QUALITY,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BITRATE,
+ g_param_spec_int ("bitrate", "Encoding Bit-rate",
+ "Specify an encoding bit-rate (in bps). (0 = automatic)",
+ 0, G_MAXINT, DEFAULT_BITRATE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_MODE,
+ g_param_spec_enum ("mode", "Mode", "The encoding mode",
+ GST_TYPE_SPEEX_ENC_MODE, GST_SPEEX_ENC_MODE_AUTO,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_VBR,
+ g_param_spec_boolean ("vbr", "VBR",
+ "Enable variable bit-rate", DEFAULT_VBR,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ABR,
+ g_param_spec_int ("abr", "ABR",
+ "Enable average bit-rate (0 = disabled)",
+ 0, G_MAXINT, DEFAULT_ABR,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_VAD,
+ g_param_spec_boolean ("vad", "VAD",
+ "Enable voice activity detection", DEFAULT_VAD,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DTX,
+ g_param_spec_boolean ("dtx", "DTX",
+ "Enable discontinuous transmission", DEFAULT_DTX,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_COMPLEXITY,
+ g_param_spec_int ("complexity", "Complexity",
+ "Set encoding complexity",
+ 0, G_MAXINT, DEFAULT_COMPLEXITY,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_NFRAMES,
+ g_param_spec_int ("nframes", "NFrames",
+ "Number of frames per buffer",
+ 0, G_MAXINT, DEFAULT_NFRAMES,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LAST_MESSAGE,
+ g_param_spec_string ("last-message", "last-message",
+ "The last status message", NULL,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+ gobject_class->finalize = gst_speex_enc_finalize;
+
+ gstelement_class->change_state =
+ GST_DEBUG_FUNCPTR (gst_speex_enc_change_state);
+}
static void
-gst_speexenc_init (GstSpeexEnc *speexenc)
+gst_speex_enc_finalize (GObject * object)
{
- /* create the sink and src pads */
- speexenc->sinkpad = gst_pad_new_from_template (speexenc_sink_template, "sink");
- gst_element_add_pad (GST_ELEMENT (speexenc), speexenc->sinkpad);
- gst_pad_set_chain_function (speexenc->sinkpad, gst_speexenc_chain);
- gst_pad_set_link_function (speexenc->sinkpad, gst_speexenc_sinkconnect);
-
- speexenc->srcpad = gst_pad_new_from_template (speexenc_src_template, "src");
- gst_element_add_pad (GST_ELEMENT (speexenc), speexenc->srcpad);
-
- speex_bits_init(&speexenc->bits);
- speexenc->mode = &speex_nb_mode;
- speexenc->bufsize = 0;
- speexenc->packet_count = 0;
- speexenc->n_packets = 20;
+ GstSpeexEnc *enc;
+
+ enc = GST_SPEEX_ENC (object);
+
+ g_free (enc->last_message);
+ g_object_unref (enc->adapter);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
-static GstPadLinkReturn
-gst_speexenc_sinkconnect (GstPad *pad, GstCaps *caps)
+static gboolean
+gst_speex_enc_sink_setcaps (GstPad * pad, GstCaps * caps)
{
- GstSpeexEnc *speexenc;
+ GstSpeexEnc *enc;
+ GstStructure *structure;
- speexenc = GST_SPEEXENC (gst_pad_get_parent (pad));
+ enc = GST_SPEEX_ENC (GST_PAD_PARENT (pad));
+ enc->setup = FALSE;
- if (!GST_CAPS_IS_FIXED (caps))
- return GST_PAD_LINK_DELAYED;
+ structure = gst_caps_get_structure (caps, 0);
+ gst_structure_get_int (structure, "channels", &enc->channels);
+ gst_structure_get_int (structure, "rate", &enc->rate);
- gst_caps_get_int (caps, "rate", &speexenc->rate);
- if (gst_pad_try_set_caps (speexenc->srcpad, GST_CAPS_NEW (
- "speex_speex",
- "audio/x-speex",
- "rate", GST_PROPS_INT (speexenc->rate),
- "channels", GST_PROPS_INT (1)
- )))
- {
- speex_init_header(&speexenc->header, speexenc->rate, 1, speexenc->mode);
- speexenc->header.frames_per_packet = speexenc->n_packets;
+ gst_speex_enc_setup (enc);
+
+ return enc->setup;
+}
+
+
+static GstCaps *
+gst_speex_enc_sink_getcaps (GstPad * pad)
+{
+ GstCaps *caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
+ GstCaps *peercaps = NULL;
+ GstSpeexEnc *enc = GST_SPEEX_ENC (gst_pad_get_parent_element (pad));
+
+ peercaps = gst_pad_peer_get_caps (enc->srcpad);
+
+ if (peercaps) {
+ if (!gst_caps_is_empty (peercaps) && !gst_caps_is_any (peercaps)) {
+ GstStructure *ps = gst_caps_get_structure (peercaps, 0);
+ GstStructure *s = gst_caps_get_structure (caps, 0);
+ gint rate, channels;
+
+ if (gst_structure_get_int (ps, "rate", &rate)) {
+ gst_structure_fixate_field_nearest_int (s, "rate", rate);
+ }
+
+ if (gst_structure_get_int (ps, "channels", &channels)) {
+ gst_structure_fixate_field_nearest_int (s, "channels", channels);
+ }
+ }
+ gst_caps_unref (peercaps);
+ }
+
+ gst_object_unref (enc);
+
+ return caps;
+}
+
+
+static gboolean
+gst_speex_enc_convert_src (GstPad * pad, GstFormat src_format, gint64 src_value,
+ GstFormat * dest_format, gint64 * dest_value)
+{
+ gboolean res = TRUE;
+ GstSpeexEnc *enc;
+ gint64 avg;
+
+ enc = GST_SPEEX_ENC (GST_PAD_PARENT (pad));
+
+ if (enc->samples_in == 0 || enc->bytes_out == 0 || enc->rate == 0)
+ return FALSE;
+
+ avg = (enc->bytes_out * enc->rate) / (enc->samples_in);
+
+ switch (src_format) {
+ case GST_FORMAT_BYTES:
+ switch (*dest_format) {
+ case GST_FORMAT_TIME:
+ *dest_value = src_value * GST_SECOND / avg;
+ break;
+ default:
+ res = FALSE;
+ }
+ break;
+ case GST_FORMAT_TIME:
+ switch (*dest_format) {
+ case GST_FORMAT_BYTES:
+ *dest_value = src_value * avg / GST_SECOND;
+ break;
+ default:
+ res = FALSE;
+ }
+ break;
+ default:
+ res = FALSE;
+ }
+ return res;
+}
+
+static gboolean
+gst_speex_enc_convert_sink (GstPad * pad, GstFormat src_format,
+ gint64 src_value, GstFormat * dest_format, gint64 * dest_value)
+{
+ gboolean res = TRUE;
+ guint scale = 1;
+ gint bytes_per_sample;
+ GstSpeexEnc *enc;
+
+ enc = GST_SPEEX_ENC (GST_PAD_PARENT (pad));
+
+ bytes_per_sample = enc->channels * 2;
+
+ switch (src_format) {
+ case GST_FORMAT_BYTES:
+ switch (*dest_format) {
+ case GST_FORMAT_DEFAULT:
+ if (bytes_per_sample == 0)
+ return FALSE;
+ *dest_value = src_value / bytes_per_sample;
+ break;
+ case GST_FORMAT_TIME:
+ {
+ gint byterate = bytes_per_sample * enc->rate;
+
+ if (byterate == 0)
+ return FALSE;
+ *dest_value = src_value * GST_SECOND / byterate;
+ break;
+ }
+ default:
+ res = FALSE;
+ }
+ break;
+ case GST_FORMAT_DEFAULT:
+ switch (*dest_format) {
+ case GST_FORMAT_BYTES:
+ *dest_value = src_value * bytes_per_sample;
+ break;
+ case GST_FORMAT_TIME:
+ if (enc->rate == 0)
+ return FALSE;
+ *dest_value = src_value * GST_SECOND / enc->rate;
+ break;
+ default:
+ res = FALSE;
+ }
+ break;
+ case GST_FORMAT_TIME:
+ switch (*dest_format) {
+ case GST_FORMAT_BYTES:
+ scale = bytes_per_sample;
+ /* fallthrough */
+ case GST_FORMAT_DEFAULT:
+ *dest_value = src_value * scale * enc->rate / GST_SECOND;
+ break;
+ default:
+ res = FALSE;
+ }
+ break;
+ default:
+ res = FALSE;
+ }
+ return res;
+}
- speexenc->state = speex_encoder_init(speexenc->mode);
- speex_encoder_ctl(speexenc->state, SPEEX_GET_FRAME_SIZE, &speexenc->frame_size);
+static gint64
+gst_speex_enc_get_latency (GstSpeexEnc * enc)
+{
+ /* See the Speex manual section "Latency and algorithmic delay" */
+ if (enc->rate == 8000)
+ return 30 * GST_MSECOND;
+ else
+ return 34 * GST_MSECOND;
+}
+
+static const GstQueryType *
+gst_speex_enc_get_query_types (GstPad * pad)
+{
+ static const GstQueryType gst_speex_enc_src_query_types[] = {
+ GST_QUERY_POSITION,
+ GST_QUERY_DURATION,
+ GST_QUERY_CONVERT,
+ GST_QUERY_LATENCY,
+ 0
+ };
+
+ return gst_speex_enc_src_query_types;
+}
+
+static gboolean
+gst_speex_enc_src_query (GstPad * pad, GstQuery * query)
+{
+ gboolean res = TRUE;
+ GstSpeexEnc *enc;
- return GST_PAD_LINK_OK;
+ enc = GST_SPEEX_ENC (gst_pad_get_parent (pad));
+
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_POSITION:
+ {
+ GstFormat fmt, req_fmt;
+ gint64 pos, val;
+
+ gst_query_parse_position (query, &req_fmt, NULL);
+ if ((res = gst_pad_query_peer_position (enc->sinkpad, &req_fmt, &val))) {
+ gst_query_set_position (query, req_fmt, val);
+ break;
+ }
+
+ fmt = GST_FORMAT_TIME;
+ if (!(res = gst_pad_query_peer_position (enc->sinkpad, &fmt, &pos)))
+ break;
+
+ if ((res =
+ gst_pad_query_peer_convert (enc->sinkpad, fmt, pos, &req_fmt,
+ &val)))
+ gst_query_set_position (query, req_fmt, val);
+
+ break;
+ }
+ case GST_QUERY_DURATION:
+ {
+ GstFormat fmt, req_fmt;
+ gint64 dur, val;
+
+ gst_query_parse_duration (query, &req_fmt, NULL);
+ if ((res = gst_pad_query_peer_duration (enc->sinkpad, &req_fmt, &val))) {
+ gst_query_set_duration (query, req_fmt, val);
+ break;
+ }
+
+ fmt = GST_FORMAT_TIME;
+ if (!(res = gst_pad_query_peer_duration (enc->sinkpad, &fmt, &dur)))
+ break;
+
+ if ((res =
+ gst_pad_query_peer_convert (enc->sinkpad, fmt, dur, &req_fmt,
+ &val))) {
+ gst_query_set_duration (query, req_fmt, val);
+ }
+ break;
+ }
+ case GST_QUERY_CONVERT:
+ {
+ GstFormat src_fmt, dest_fmt;
+ gint64 src_val, dest_val;
+
+ gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
+ if (!(res = gst_speex_enc_convert_src (pad, src_fmt, src_val, &dest_fmt,
+ &dest_val)))
+ goto error;
+ gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
+ break;
+ }
+ case GST_QUERY_LATENCY:
+ {
+ gboolean live;
+ GstClockTime min_latency, max_latency;
+ gint64 latency;
+
+ if ((res = gst_pad_peer_query (enc->sinkpad, query))) {
+ gst_query_parse_latency (query, &live, &min_latency, &max_latency);
+ GST_LOG_OBJECT (pad, "Upstream latency: %" GST_PTR_FORMAT, query);
+
+ latency = gst_speex_enc_get_latency (enc);
+
+ /* add our latency */
+ min_latency += latency;
+ if (max_latency != -1)
+ max_latency += latency;
+
+ gst_query_set_latency (query, live, min_latency, max_latency);
+ GST_LOG_OBJECT (pad, "Adjusted latency: %" GST_PTR_FORMAT, query);
+ }
+ break;
+ }
+ default:
+ res = gst_pad_peer_query (enc->sinkpad, query);
+ break;
}
- return GST_PAD_LINK_REFUSED;
+error:
+
+ gst_object_unref (enc);
+
+ return res;
+}
+
+static gboolean
+gst_speex_enc_sink_query (GstPad * pad, GstQuery * query)
+{
+ gboolean res = TRUE;
+
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_CONVERT:
+ {
+ GstFormat src_fmt, dest_fmt;
+ gint64 src_val, dest_val;
+
+ gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
+ if (!(res =
+ gst_speex_enc_convert_sink (pad, src_fmt, src_val, &dest_fmt,
+ &dest_val)))
+ goto error;
+ gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
+ break;
+ }
+ default:
+ res = gst_pad_query_default (pad, query);
+ break;
+ }
+
+error:
+ return res;
+}
+
+static void
+gst_speex_enc_init (GstSpeexEnc * enc, GstSpeexEncClass * klass)
+{
+ enc->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
+ gst_element_add_pad (GST_ELEMENT (enc), enc->sinkpad);
+ gst_pad_set_event_function (enc->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_speex_enc_sinkevent));
+ gst_pad_set_chain_function (enc->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_speex_enc_chain));
+ gst_pad_set_setcaps_function (enc->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_speex_enc_sink_setcaps));
+ gst_pad_set_getcaps_function (enc->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_speex_enc_sink_getcaps));
+ gst_pad_set_query_function (enc->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_speex_enc_sink_query));
+
+ enc->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
+ gst_pad_set_query_function (enc->srcpad,
+ GST_DEBUG_FUNCPTR (gst_speex_enc_src_query));
+ gst_pad_set_query_type_function (enc->srcpad,
+ GST_DEBUG_FUNCPTR (gst_speex_enc_get_query_types));
+ gst_element_add_pad (GST_ELEMENT (enc), enc->srcpad);
+
+ enc->channels = -1;
+ enc->rate = -1;
+
+ enc->quality = DEFAULT_QUALITY;
+ enc->bitrate = DEFAULT_BITRATE;
+ enc->mode = DEFAULT_MODE;
+ enc->vbr = DEFAULT_VBR;
+ enc->abr = DEFAULT_ABR;
+ enc->vad = DEFAULT_VAD;
+ enc->dtx = DEFAULT_DTX;
+ enc->complexity = DEFAULT_COMPLEXITY;
+ enc->nframes = DEFAULT_NFRAMES;
+
+ enc->setup = FALSE;
+ enc->header_sent = FALSE;
+
+ enc->adapter = gst_adapter_new ();
+}
+
+static GstBuffer *
+gst_speex_enc_create_metadata_buffer (GstSpeexEnc * enc)
+{
+ const GstTagList *user_tags;
+ GstTagList *merged_tags;
+ GstBuffer *comments = NULL;
+
+ user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (enc));
+
+ GST_DEBUG_OBJECT (enc, "upstream tags = %" GST_PTR_FORMAT, enc->tags);
+ GST_DEBUG_OBJECT (enc, "user-set tags = %" GST_PTR_FORMAT, user_tags);
+
+ /* gst_tag_list_merge() will handle NULL for either or both lists fine */
+ merged_tags = gst_tag_list_merge (user_tags, enc->tags,
+ gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (enc)));
+
+ if (merged_tags == NULL)
+ merged_tags = gst_tag_list_new ();
+
+ GST_DEBUG_OBJECT (enc, "merged tags = %" GST_PTR_FORMAT, merged_tags);
+ comments = gst_tag_list_to_vorbiscomment_buffer (merged_tags, NULL,
+ 0, "Encoded with GStreamer Speexenc");
+ gst_tag_list_free (merged_tags);
+
+ GST_BUFFER_OFFSET (comments) = enc->bytes_out;
+ GST_BUFFER_OFFSET_END (comments) = 0;
+
+ return comments;
}
static void
-gst_speexenc_chain (GstPad *pad, GstBuffer *buf)
+gst_speex_enc_set_last_msg (GstSpeexEnc * enc, const gchar * msg)
+{
+ g_free (enc->last_message);
+ enc->last_message = g_strdup (msg);
+ GST_WARNING_OBJECT (enc, "%s", msg);
+ g_object_notify (G_OBJECT (enc), "last-message");
+}
+
+static gboolean
+gst_speex_enc_setup (GstSpeexEnc * enc)
+{
+ enc->setup = FALSE;
+
+ switch (enc->mode) {
+ case GST_SPEEX_ENC_MODE_UWB:
+ GST_LOG_OBJECT (enc, "configuring for requested UWB mode");
+ enc->speex_mode = speex_lib_get_mode (SPEEX_MODEID_UWB);
+ break;
+ case GST_SPEEX_ENC_MODE_WB:
+ GST_LOG_OBJECT (enc, "configuring for requested WB mode");
+ enc->speex_mode = speex_lib_get_mode (SPEEX_MODEID_WB);
+ break;
+ case GST_SPEEX_ENC_MODE_NB:
+ GST_LOG_OBJECT (enc, "configuring for requested NB mode");
+ enc->speex_mode = speex_lib_get_mode (SPEEX_MODEID_NB);
+ break;
+ case GST_SPEEX_ENC_MODE_AUTO:
+ /* fall through */
+ GST_LOG_OBJECT (enc, "finding best mode");
+ default:
+ break;
+ }
+
+ if (enc->rate > 25000) {
+ if (enc->mode == GST_SPEEX_ENC_MODE_AUTO) {
+ GST_LOG_OBJECT (enc, "selected UWB mode for samplerate %d", enc->rate);
+ enc->speex_mode = speex_lib_get_mode (SPEEX_MODEID_UWB);
+ } else {
+ if (enc->speex_mode != speex_lib_get_mode (SPEEX_MODEID_UWB)) {
+ gst_speex_enc_set_last_msg (enc,
+ "Warning: suggest to use ultra wide band mode for this rate");
+ }
+ }
+ } else if (enc->rate > 12500) {
+ if (enc->mode == GST_SPEEX_ENC_MODE_AUTO) {
+ GST_LOG_OBJECT (enc, "selected WB mode for samplerate %d", enc->rate);
+ enc->speex_mode = speex_lib_get_mode (SPEEX_MODEID_WB);
+ } else {
+ if (enc->speex_mode != speex_lib_get_mode (SPEEX_MODEID_WB)) {
+ gst_speex_enc_set_last_msg (enc,
+ "Warning: suggest to use wide band mode for this rate");
+ }
+ }
+ } else {
+ if (enc->mode == GST_SPEEX_ENC_MODE_AUTO) {
+ GST_LOG_OBJECT (enc, "selected NB mode for samplerate %d", enc->rate);
+ enc->speex_mode = speex_lib_get_mode (SPEEX_MODEID_NB);
+ } else {
+ if (enc->speex_mode != speex_lib_get_mode (SPEEX_MODEID_NB)) {
+ gst_speex_enc_set_last_msg (enc,
+ "Warning: suggest to use narrow band mode for this rate");
+ }
+ }
+ }
+
+ if (enc->rate != 8000 && enc->rate != 16000 && enc->rate != 32000) {
+ gst_speex_enc_set_last_msg (enc,
+ "Warning: speex is optimized for 8, 16 and 32 KHz");
+ }
+
+ speex_init_header (&enc->header, enc->rate, 1, enc->speex_mode);
+ enc->header.frames_per_packet = enc->nframes;
+ enc->header.vbr = enc->vbr;
+ enc->header.nb_channels = enc->channels;
+
+ /*Initialize Speex encoder */
+ enc->state = speex_encoder_init (enc->speex_mode);
+
+ speex_encoder_ctl (enc->state, SPEEX_GET_FRAME_SIZE, &enc->frame_size);
+ speex_encoder_ctl (enc->state, SPEEX_SET_COMPLEXITY, &enc->complexity);
+ speex_encoder_ctl (enc->state, SPEEX_SET_SAMPLING_RATE, &enc->rate);
+
+ if (enc->vbr)
+ speex_encoder_ctl (enc->state, SPEEX_SET_VBR_QUALITY, &enc->quality);
+ else {
+ gint tmp = floor (enc->quality);
+
+ speex_encoder_ctl (enc->state, SPEEX_SET_QUALITY, &tmp);
+ }
+ if (enc->bitrate) {
+ if (enc->quality >= 0.0 && enc->vbr) {
+ gst_speex_enc_set_last_msg (enc,
+ "Warning: bitrate option is overriding quality");
+ }
+ speex_encoder_ctl (enc->state, SPEEX_SET_BITRATE, &enc->bitrate);
+ }
+ if (enc->vbr) {
+ gint tmp = 1;
+
+ speex_encoder_ctl (enc->state, SPEEX_SET_VBR, &tmp);
+ } else if (enc->vad) {
+ gint tmp = 1;
+
+ speex_encoder_ctl (enc->state, SPEEX_SET_VAD, &tmp);
+ }
+
+ if (enc->dtx) {
+ gint tmp = 1;
+
+ speex_encoder_ctl (enc->state, SPEEX_SET_DTX, &tmp);
+ }
+
+ if (enc->dtx && !(enc->vbr || enc->abr || enc->vad)) {
+ gst_speex_enc_set_last_msg (enc,
+ "Warning: dtx is useless without vad, vbr or abr");
+ } else if ((enc->vbr || enc->abr) && (enc->vad)) {
+ gst_speex_enc_set_last_msg (enc,
+ "Warning: vad is already implied by vbr or abr");
+ }
+
+ if (enc->abr) {
+ speex_encoder_ctl (enc->state, SPEEX_SET_ABR, &enc->abr);
+ }
+
+ speex_encoder_ctl (enc->state, SPEEX_GET_LOOKAHEAD, &enc->lookahead);
+
+ GST_LOG_OBJECT (enc, "we have frame size %d, lookahead %d", enc->frame_size,
+ enc->lookahead);
+
+ enc->setup = TRUE;
+
+ return TRUE;
+}
+
+/* prepare a buffer for transmission */
+static GstBuffer *
+gst_speex_enc_buffer_from_data (GstSpeexEnc * enc, guchar * data,
+ gint data_len, guint64 granulepos)
{
- GstSpeexEnc *speexenc;
GstBuffer *outbuf;
- gint16 *data;
- guint8 *header_data;
- gint size;
- float input[1000];
- gint frame_size;
- gint i;
-
- g_return_if_fail (pad != NULL);
- g_return_if_fail (GST_IS_PAD (pad));
- g_return_if_fail (buf != NULL);
-
- speexenc = GST_SPEEXENC (GST_OBJECT_PARENT (pad));
-
- if (!GST_PAD_CAPS (speexenc->srcpad)) {
-
- if (!gst_pad_try_set_caps (speexenc->srcpad,
- GST_CAPS_NEW (
- "speex_enc",
- "audio/x-speex",
- "rate", GST_PROPS_INT (speexenc->rate),
- "channels", GST_PROPS_INT (1)
- )))
+
+ outbuf = gst_buffer_new_and_alloc (data_len);
+ memcpy (GST_BUFFER_DATA (outbuf), data, data_len);
+ GST_BUFFER_OFFSET (outbuf) = enc->bytes_out;
+ GST_BUFFER_OFFSET_END (outbuf) = granulepos;
+
+ GST_LOG_OBJECT (enc, "encoded buffer of %d bytes", GST_BUFFER_SIZE (outbuf));
+ return outbuf;
+}
+
+
+/* push out the buffer and do internal bookkeeping */
+static GstFlowReturn
+gst_speex_enc_push_buffer (GstSpeexEnc * enc, GstBuffer * buffer)
+{
+ guint size;
+
+ size = GST_BUFFER_SIZE (buffer);
+
+ enc->bytes_out += size;
+
+ GST_DEBUG_OBJECT (enc, "pushing output buffer of size %u", size);
+
+ return gst_pad_push (enc->srcpad, buffer);
+}
+
+static GstCaps *
+gst_speex_enc_set_header_on_caps (GstCaps * caps, GstBuffer * buf1,
+ GstBuffer * buf2)
+{
+ GstStructure *structure = NULL;
+ GstBuffer *buf;
+ GValue array = { 0 };
+ GValue value = { 0 };
+
+ caps = gst_caps_make_writable (caps);
+ structure = gst_caps_get_structure (caps, 0);
+
+ g_assert (gst_buffer_is_metadata_writable (buf1));
+ g_assert (gst_buffer_is_metadata_writable (buf2));
+
+ /* mark buffers */
+ GST_BUFFER_FLAG_SET (buf1, GST_BUFFER_FLAG_IN_CAPS);
+ GST_BUFFER_FLAG_SET (buf2, GST_BUFFER_FLAG_IN_CAPS);
+
+ /* put buffers in a fixed list */
+ g_value_init (&array, GST_TYPE_ARRAY);
+ g_value_init (&value, GST_TYPE_BUFFER);
+ buf = gst_buffer_copy (buf1);
+ gst_value_set_buffer (&value, buf);
+ gst_buffer_unref (buf);
+ gst_value_array_append_value (&array, &value);
+ g_value_unset (&value);
+ g_value_init (&value, GST_TYPE_BUFFER);
+ buf = gst_buffer_copy (buf2);
+ gst_value_set_buffer (&value, buf);
+ gst_buffer_unref (buf);
+ gst_value_array_append_value (&array, &value);
+ gst_structure_set_value (structure, "streamheader", &array);
+ g_value_unset (&value);
+ g_value_unset (&array);
+
+ return caps;
+}
+
+
+static gboolean
+gst_speex_enc_sinkevent (GstPad * pad, GstEvent * event)
+{
+ gboolean res = TRUE;
+ GstSpeexEnc *enc;
+
+ enc = GST_SPEEX_ENC (gst_pad_get_parent (pad));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_EOS:
+ if (enc->setup)
+ gst_speex_enc_encode (enc, TRUE);
+ res = gst_pad_event_default (pad, event);
+ break;
+ case GST_EVENT_TAG:
{
- gst_element_error (GST_ELEMENT (speexenc), "could not negotiate");
- return;
+ if (enc->tags) {
+ GstTagList *list;
+
+ gst_event_parse_tag (event, &list);
+ gst_tag_list_insert (enc->tags, list,
+ gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (enc)));
+ } else {
+ g_assert_not_reached ();
+ }
+ res = gst_pad_event_default (pad, event);
+ break;
}
+ default:
+ res = gst_pad_event_default (pad, event);
+ break;
}
- if (speexenc->packet_count == 0) {
- header_data = speex_header_to_packet(&speexenc->header, &size);
+ gst_object_unref (enc);
- outbuf = gst_buffer_new ();
- GST_BUFFER_DATA (outbuf) = header_data;
- GST_BUFFER_SIZE (outbuf) = size;
+ return res;
+}
+
+static GstFlowReturn
+gst_speex_enc_encode (GstSpeexEnc * enc, gboolean flush)
+{
+ gint frame_size = enc->frame_size;
+ gint bytes = frame_size * 2 * enc->channels;
+ GstFlowReturn ret = GST_FLOW_OK;
+
+ if (flush && gst_adapter_available (enc->adapter) % bytes != 0) {
+ guint diff = gst_adapter_available (enc->adapter) % bytes;
+ GstBuffer *buf = gst_buffer_new_and_alloc (diff);
- gst_pad_push (speexenc->srcpad, outbuf);
+ memset (GST_BUFFER_DATA (buf), 0, diff);
+ gst_adapter_push (enc->adapter, buf);
}
- data = (gint16 *) GST_BUFFER_DATA (buf);
- size = GST_BUFFER_SIZE (buf) / sizeof (gint16);
+ while (gst_adapter_available (enc->adapter) >= bytes) {
+ gint16 *data;
+ gint outsize, written, dtx_ret;
+ GstBuffer *outbuf;
- frame_size = speexenc->frame_size;
+ data = (gint16 *) gst_adapter_take (enc->adapter, bytes);
+
+ enc->samples_in += frame_size;
+
+ GST_DEBUG_OBJECT (enc, "encoding %d samples (%d bytes)", frame_size, bytes);
+
+ if (enc->channels == 2) {
+ speex_encode_stereo_int (data, frame_size, &enc->bits);
+ }
+ dtx_ret = speex_encode_int (enc->state, data, &enc->bits);
- if (speexenc->bufsize && (speexenc->bufsize + size >= frame_size)) {
- memcpy (speexenc->buffer + speexenc->bufsize, data, (frame_size - speexenc->bufsize) * sizeof (gint16));
+ g_free (data);
- for (i = 0; i < frame_size; i++)
- input[i] = speexenc->buffer[i];
+ enc->frameno++;
+ enc->frameno_out++;
- speex_encode (speexenc->state, input, &speexenc->bits);
- speexenc->packet_count++;
+ if ((enc->frameno % enc->nframes) != 0)
+ continue;
- if (speexenc->packet_count % speexenc->n_packets == 0) {
- GstBuffer *outbuf;
+ speex_bits_insert_terminator (&enc->bits);
+ outsize = speex_bits_nbytes (&enc->bits);
- outbuf = gst_buffer_new_and_alloc (frame_size * speexenc->n_packets);
- GST_BUFFER_SIZE (outbuf) = speex_bits_write(&speexenc->bits,
- GST_BUFFER_DATA (outbuf), GST_BUFFER_SIZE (outbuf));
- GST_BUFFER_TIMESTAMP (outbuf) = speexenc->next_ts;
- speex_bits_reset(&speexenc->bits);
+ ret = gst_pad_alloc_buffer_and_set_caps (enc->srcpad,
+ GST_BUFFER_OFFSET_NONE, outsize, GST_PAD_CAPS (enc->srcpad), &outbuf);
- gst_pad_push (speexenc->srcpad, outbuf);
- speexenc->next_ts += frame_size * GST_SECOND / speexenc->rate;
+ if ((GST_FLOW_OK != ret))
+ goto done;
+
+ written = speex_bits_write (&enc->bits,
+ (gchar *) GST_BUFFER_DATA (outbuf), outsize);
+ g_assert (written == outsize);
+ speex_bits_reset (&enc->bits);
+
+ if (!dtx_ret)
+ GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_GAP);
+
+ GST_BUFFER_TIMESTAMP (outbuf) = enc->start_ts +
+ gst_util_uint64_scale_int ((enc->frameno_out -
+ enc->nframes) * frame_size - enc->lookahead, GST_SECOND, enc->rate);
+ GST_BUFFER_DURATION (outbuf) =
+ gst_util_uint64_scale_int (frame_size * enc->nframes, GST_SECOND,
+ enc->rate);
+ /* set gp time and granulepos; see gst-plugins-base/ext/ogg/README */
+ GST_BUFFER_OFFSET_END (outbuf) = enc->granulepos_offset +
+ ((enc->frameno_out) * frame_size - enc->lookahead);
+ GST_BUFFER_OFFSET (outbuf) =
+ gst_util_uint64_scale_int (GST_BUFFER_OFFSET_END (outbuf), GST_SECOND,
+ enc->rate);
+
+ ret = gst_speex_enc_push_buffer (enc, outbuf);
+
+ if ((GST_FLOW_OK != ret) && (GST_FLOW_NOT_LINKED != ret))
+ goto done;
+ }
+
+done:
+
+ return ret;
+}
+
+static GstFlowReturn
+gst_speex_enc_chain (GstPad * pad, GstBuffer * buf)
+{
+ GstSpeexEnc *enc;
+ GstFlowReturn ret = GST_FLOW_OK;
+
+ enc = GST_SPEEX_ENC (GST_PAD_PARENT (pad));
+
+ if (!enc->setup)
+ goto not_setup;
+
+ if (!enc->header_sent) {
+ /* Speex streams begin with two headers; the initial header (with
+ most of the codec setup parameters) which is mandated by the Ogg
+ bitstream spec. The second header holds any comment fields.
+ We merely need to make the headers, then pass them to libspeex
+ one at a time; libspeex handles the additional Ogg bitstream
+ constraints */
+ GstBuffer *buf1, *buf2;
+ GstCaps *caps;
+ guchar *data;
+ gint data_len;
+
+ /* create header buffer */
+ data = (guint8 *) speex_header_to_packet (&enc->header, &data_len);
+ buf1 = gst_speex_enc_buffer_from_data (enc, data, data_len, 0);
+ free (data);
+
+ /* create comment buffer */
+ buf2 = gst_speex_enc_create_metadata_buffer (enc);
+
+ /* mark and put on caps */
+ caps = gst_pad_get_caps (enc->srcpad);
+ caps = gst_speex_enc_set_header_on_caps (caps, buf1, buf2);
+
+ gst_caps_set_simple (caps,
+ "rate", G_TYPE_INT, enc->rate,
+ "channels", G_TYPE_INT, enc->channels, NULL);
+
+ /* negotiate with these caps */
+ GST_DEBUG_OBJECT (enc, "here are the caps: %" GST_PTR_FORMAT, caps);
+ gst_pad_set_caps (enc->srcpad, caps);
+
+ gst_buffer_set_caps (buf1, caps);
+ gst_buffer_set_caps (buf2, caps);
+ gst_caps_unref (caps);
+
+ /* push out buffers */
+ ret = gst_speex_enc_push_buffer (enc, buf1);
+
+ if (ret != GST_FLOW_OK) {
+ gst_buffer_unref (buf2);
+ goto done;
}
- size -= (speexenc->frame_size - speexenc->bufsize);
- data += (speexenc->frame_size - speexenc->bufsize);
+ ret = gst_speex_enc_push_buffer (enc, buf2);
+
+ if (ret != GST_FLOW_OK)
+ goto done;
+
+ speex_bits_reset (&enc->bits);
- speexenc->bufsize = 0;
+ enc->header_sent = TRUE;
}
- while (size >= frame_size) {
- for (i = 0; i < frame_size; i++)
- input[i] = data[i];
+ /* Save the timestamp of the first buffer. This will be later
+ * used as offset for all following buffers */
+ if (enc->start_ts == GST_CLOCK_TIME_NONE) {
+ if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
+ enc->start_ts = GST_BUFFER_TIMESTAMP (buf);
+ enc->granulepos_offset = gst_util_uint64_scale
+ (GST_BUFFER_TIMESTAMP (buf), enc->rate, GST_SECOND);
+ } else {
+ enc->start_ts = 0;
+ enc->granulepos_offset = 0;
+ }
+ }
+
+ /* Check if we have a continous stream, if not drop some samples or the buffer or
+ * insert some silence samples */
+ if (enc->next_ts != GST_CLOCK_TIME_NONE &&
+ GST_BUFFER_TIMESTAMP (buf) < enc->next_ts) {
+ guint64 diff = enc->next_ts - GST_BUFFER_TIMESTAMP (buf);
+ guint64 diff_bytes;
+
+ GST_WARNING_OBJECT (enc, "Buffer is older than previous "
+ "timestamp + duration (%" GST_TIME_FORMAT "< %" GST_TIME_FORMAT
+ "), cannot handle. Clipping buffer.",
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
+ GST_TIME_ARGS (enc->next_ts));
+
+ diff_bytes = GST_CLOCK_TIME_TO_FRAMES (diff, enc->rate) * enc->channels * 2;
+ if (diff_bytes >= GST_BUFFER_SIZE (buf)) {
+ gst_buffer_unref (buf);
+ return GST_FLOW_OK;
+ }
+ buf = gst_buffer_make_metadata_writable (buf);
+ GST_BUFFER_DATA (buf) += diff_bytes;
+ GST_BUFFER_SIZE (buf) -= diff_bytes;
+
+ GST_BUFFER_TIMESTAMP (buf) += diff;
+ if (GST_BUFFER_DURATION_IS_VALID (buf))
+ GST_BUFFER_DURATION (buf) -= diff;
+ }
- speex_encode (speexenc->state, input, &speexenc->bits);
- speexenc->packet_count++;
+ if (enc->next_ts != GST_CLOCK_TIME_NONE
+ && GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
+ guint64 max_diff =
+ gst_util_uint64_scale (enc->frame_size, GST_SECOND, enc->rate);
- if (speexenc->packet_count % speexenc->n_packets == 0) {
- GstBuffer *outbuf;
+ if (GST_BUFFER_TIMESTAMP (buf) != enc->next_ts &&
+ GST_BUFFER_TIMESTAMP (buf) - enc->next_ts > max_diff) {
+ GST_WARNING_OBJECT (enc,
+ "Discontinuity detected: %" G_GUINT64_FORMAT " > %" G_GUINT64_FORMAT,
+ GST_BUFFER_TIMESTAMP (buf) - enc->next_ts, max_diff);
- outbuf = gst_buffer_new_and_alloc (frame_size * speexenc->n_packets);
- GST_BUFFER_SIZE (outbuf) = speex_bits_write(&speexenc->bits,
- GST_BUFFER_DATA (outbuf), GST_BUFFER_SIZE (outbuf));
- GST_BUFFER_TIMESTAMP (outbuf) = speexenc->next_ts;
- speex_bits_reset(&speexenc->bits);
+ gst_speex_enc_encode (enc, TRUE);
- gst_pad_push (speexenc->srcpad, outbuf);
- speexenc->next_ts += frame_size * GST_SECOND / speexenc->rate;
+ enc->frameno_out = 0;
+ enc->start_ts = GST_BUFFER_TIMESTAMP (buf);
+ enc->granulepos_offset = gst_util_uint64_scale
+ (GST_BUFFER_TIMESTAMP (buf), enc->rate, GST_SECOND);
}
+ }
+
+ if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)
+ && GST_BUFFER_DURATION_IS_VALID (buf))
+ enc->next_ts = GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf);
+ else
+ enc->next_ts = GST_CLOCK_TIME_NONE;
+
+ GST_DEBUG_OBJECT (enc, "received buffer of %u bytes", GST_BUFFER_SIZE (buf));
+
+ /* push buffer to adapter */
+ gst_adapter_push (enc->adapter, buf);
+ buf = NULL;
+
+ ret = gst_speex_enc_encode (enc, FALSE);
+
+done:
+
+ if (buf)
+ gst_buffer_unref (buf);
+
+ return ret;
+
+ /* ERRORS */
+not_setup:
+ {
+ GST_ELEMENT_ERROR (enc, CORE, NEGOTIATION, (NULL),
+ ("encoder not initialized (input is not audio?)"));
+ ret = GST_FLOW_NOT_NEGOTIATED;
+ goto done;
+ }
+
+}
+
+
+static void
+gst_speex_enc_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstSpeexEnc *enc;
+
+ enc = GST_SPEEX_ENC (object);
+
+ switch (prop_id) {
+ case PROP_QUALITY:
+ g_value_set_float (value, enc->quality);
+ break;
+ case PROP_BITRATE:
+ g_value_set_int (value, enc->bitrate);
+ break;
+ case PROP_MODE:
+ g_value_set_enum (value, enc->mode);
+ break;
+ case PROP_VBR:
+ g_value_set_boolean (value, enc->vbr);
+ break;
+ case PROP_ABR:
+ g_value_set_int (value, enc->abr);
+ break;
+ case PROP_VAD:
+ g_value_set_boolean (value, enc->vad);
+ break;
+ case PROP_DTX:
+ g_value_set_boolean (value, enc->dtx);
+ break;
+ case PROP_COMPLEXITY:
+ g_value_set_int (value, enc->complexity);
+ break;
+ case PROP_NFRAMES:
+ g_value_set_int (value, enc->nframes);
+ break;
+ case PROP_LAST_MESSAGE:
+ g_value_set_string (value, enc->last_message);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_speex_enc_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstSpeexEnc *enc;
- size -= frame_size;
- data += frame_size;
+ enc = GST_SPEEX_ENC (object);
+
+ switch (prop_id) {
+ case PROP_QUALITY:
+ enc->quality = g_value_get_float (value);
+ break;
+ case PROP_BITRATE:
+ enc->bitrate = g_value_get_int (value);
+ break;
+ case PROP_MODE:
+ enc->mode = g_value_get_enum (value);
+ break;
+ case PROP_VBR:
+ enc->vbr = g_value_get_boolean (value);
+ break;
+ case PROP_ABR:
+ enc->abr = g_value_get_int (value);
+ break;
+ case PROP_VAD:
+ enc->vad = g_value_get_boolean (value);
+ break;
+ case PROP_DTX:
+ enc->dtx = g_value_get_boolean (value);
+ break;
+ case PROP_COMPLEXITY:
+ enc->complexity = g_value_get_int (value);
+ break;
+ case PROP_NFRAMES:
+ enc->nframes = g_value_get_int (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GstStateChangeReturn
+gst_speex_enc_change_state (GstElement * element, GstStateChange transition)
+{
+ GstSpeexEnc *enc = GST_SPEEX_ENC (element);
+ GstStateChangeReturn res;
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ enc->tags = gst_tag_list_new ();
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ speex_bits_init (&enc->bits);
+ enc->frameno = 0;
+ enc->frameno_out = 0;
+ enc->samples_in = 0;
+ enc->start_ts = GST_CLOCK_TIME_NONE;
+ enc->next_ts = GST_CLOCK_TIME_NONE;
+ enc->granulepos_offset = 0;
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+ /* fall through */
+ default:
+ break;
}
- if (size) {
- memcpy (speexenc->buffer + speexenc->bufsize, data, size * sizeof (gint16));
- speexenc->bufsize += size;
+ res = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+ if (res == GST_STATE_CHANGE_FAILURE)
+ return res;
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ enc->setup = FALSE;
+ enc->header_sent = FALSE;
+ if (enc->state) {
+ speex_encoder_destroy (enc->state);
+ enc->state = NULL;
+ }
+ speex_bits_destroy (&enc->bits);
+ break;
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ gst_tag_list_free (enc->tags);
+ enc->tags = NULL;
+ default:
+ break;
}
-
- gst_buffer_unref(buf);
+
+ return res;
}
projects / platform / upstream / gst-plugins-good.git / blobdiff