-/* 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"
#include <gst/gsttagsetter.h>
#include <gst/tag/tag.h>
+#include <gst/audio/audio.h>
#include "gstspeexenc.h"
-GST_DEBUG_CATEGORY (speexenc_debug);
+GST_DEBUG_CATEGORY_STATIC (speexenc_debug);
#define GST_CAT_DEFAULT speexenc_debug
-static GstPadTemplate *gst_speexenc_src_template, *gst_speexenc_sink_template;
-
-/* elementfactory information */
-GstElementDetails speexenc_details = {
- "Speex encoder",
- "Codec/Encoder/Audio",
- "Encodes audio in Speex format",
- "Wim Taymans <wim@fluendo.com>",
-};
-
-/* GstSpeexEnc signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-#define DEFAULT_QUALITY 8.0
-#define DEFAULT_BITRATE 0
-#define DEFAULT_VBR FALSE
-#define DEFAULT_ABR 0
-#define DEFAULT_VAD FALSE
-#define DEFAULT_DTX FALSE
-#define DEFAULT_COMPLEXITY 3
-#define DEFAULT_NFRAMES 1
+#define FORMAT_STR GST_AUDIO_NE(S16)
+
+static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw, "
+ "format = (string) " FORMAT_STR ", "
+ "rate = (int) [ 6000, 48000 ], " "channels = (int) [ 1, 2 ]")
+ );
+
+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
{
- ARG_0,
- ARG_QUALITY,
- ARG_BITRATE,
- ARG_VBR,
- ARG_ABR,
- ARG_VAD,
- ARG_DTX,
- ARG_COMPLEXITY,
- ARG_NFRAMES,
- ARG_LAST_MESSAGE
+ PROP_0,
+ PROP_QUALITY,
+ PROP_BITRATE,
+ PROP_MODE,
+ PROP_VBR,
+ PROP_ABR,
+ PROP_VAD,
+ PROP_DTX,
+ PROP_COMPLEXITY,
+ PROP_NFRAMES,
+ PROP_LAST_MESSAGE
};
-#if 0
-static const GstFormat *
-gst_speexenc_get_formats (GstPad * pad)
+#define GST_TYPE_SPEEX_ENC_MODE (gst_speex_enc_mode_get_type())
+static GType
+gst_speex_enc_mode_get_type (void)
{
- 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
+ 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},
};
-
- return (GST_PAD_IS_SRC (pad) ? src_formats : sink_formats);
+ 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;
}
-#endif
-static void gst_speexenc_base_init (gpointer g_class);
-static void gst_speexenc_class_init (GstSpeexEncClass * klass);
-static void gst_speexenc_init (GstSpeexEnc * speexenc);
+static void gst_speex_enc_finalize (GObject * object);
-static gboolean gst_speexenc_sinkevent (GstPad * pad, GstEvent * event);
-static GstFlowReturn gst_speexenc_chain (GstPad * pad, GstBuffer * buf);
-static gboolean gst_speexenc_setup (GstSpeexEnc * speexenc);
+static gboolean gst_speex_enc_setup (GstSpeexEnc * enc);
-static void gst_speexenc_get_property (GObject * object, guint prop_id,
+static void gst_speex_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
-static void gst_speexenc_set_property (GObject * object, guint prop_id,
+static void gst_speex_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
-static GstStateChangeReturn gst_speexenc_change_state (GstElement * element,
- GstStateChange transition);
-
-static GstElementClass *parent_class = NULL;
-/*static guint gst_speexenc_signals[LAST_SIGNAL] = { 0 }; */
+static GstFlowReturn gst_speex_enc_encode (GstSpeexEnc * enc, GstBuffer * buf);
-GType
-gst_speexenc_get_type (void)
-{
- static GType speexenc_type = 0;
-
- if (!speexenc_type) {
- static const GTypeInfo speexenc_info = {
- sizeof (GstSpeexEncClass),
- gst_speexenc_base_init,
- NULL,
- (GClassInitFunc) gst_speexenc_class_init,
- NULL,
- NULL,
- sizeof (GstSpeexEnc),
- 0,
- (GInstanceInitFunc) gst_speexenc_init,
- };
- static const GInterfaceInfo tag_setter_info = {
- NULL,
- NULL,
- NULL
- };
-
- speexenc_type =
- g_type_register_static (GST_TYPE_ELEMENT, "GstSpeexEnc", &speexenc_info,
- 0);
-
- g_type_add_interface_static (speexenc_type, GST_TYPE_TAG_SETTER,
- &tag_setter_info);
-
- GST_DEBUG_CATEGORY_INIT (speexenc_debug, "speexenc", 0, "Speex encoder");
- }
- return speexenc_type;
-}
-
-static GstCaps *
-speex_caps_factory (void)
-{
- return gst_caps_new_simple ("audio/x-speex", NULL);
-}
-
-static GstCaps *
-raw_caps_factory (void)
-{
- return
- gst_caps_new_simple ("audio/x-raw-int",
- "rate", GST_TYPE_INT_RANGE, 6000, 48000,
- "channels", GST_TYPE_INT_RANGE, 1, 2,
- "endianness", G_TYPE_INT, G_BYTE_ORDER,
- "signed", G_TYPE_BOOLEAN, TRUE,
- "width", G_TYPE_INT, 16, "depth", G_TYPE_INT, 16, NULL);
-}
+static gboolean gst_speex_enc_start (GstAudioEncoder * enc);
+static gboolean gst_speex_enc_stop (GstAudioEncoder * enc);
+static gboolean gst_speex_enc_set_format (GstAudioEncoder * enc,
+ GstAudioInfo * info);
+static GstFlowReturn gst_speex_enc_handle_frame (GstAudioEncoder * enc,
+ GstBuffer * in_buf);
+static gboolean gst_speex_enc_sink_event (GstAudioEncoder * enc,
+ GstEvent * event);
+static GstFlowReturn
+gst_speex_enc_pre_push (GstAudioEncoder * benc, GstBuffer ** buffer);
-static void
-gst_speexenc_base_init (gpointer g_class)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
- GstCaps *raw_caps, *speex_caps;
-
- raw_caps = raw_caps_factory ();
- speex_caps = speex_caps_factory ();
-
- gst_speexenc_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
- GST_PAD_ALWAYS, raw_caps);
- gst_speexenc_src_template = gst_pad_template_new ("src", GST_PAD_SRC,
- GST_PAD_ALWAYS, speex_caps);
- gst_element_class_add_pad_template (element_class,
- gst_speexenc_sink_template);
- gst_element_class_add_pad_template (element_class, gst_speexenc_src_template);
- gst_element_class_set_details (element_class, &speexenc_details);
-}
+#define gst_speex_enc_parent_class parent_class
+G_DEFINE_TYPE_WITH_CODE (GstSpeexEnc, gst_speex_enc, GST_TYPE_AUDIO_ENCODER,
+ G_IMPLEMENT_INTERFACE (GST_TYPE_TAG_SETTER, NULL);
+ G_IMPLEMENT_INTERFACE (GST_TYPE_PRESET, NULL));
static void
-gst_speexenc_class_init (GstSpeexEncClass * klass)
+gst_speex_enc_class_init (GstSpeexEncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
+ GstAudioEncoderClass *base_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
+ base_class = (GstAudioEncoderClass *) klass;
+
+ gobject_class->finalize = gst_speex_enc_finalize;
+ gobject_class->set_property = gst_speex_enc_set_property;
+ gobject_class->get_property = gst_speex_enc_get_property;
- gobject_class->set_property = gst_speexenc_set_property;
- gobject_class->get_property = gst_speexenc_get_property;
+ base_class->start = GST_DEBUG_FUNCPTR (gst_speex_enc_start);
+ base_class->stop = GST_DEBUG_FUNCPTR (gst_speex_enc_stop);
+ base_class->set_format = GST_DEBUG_FUNCPTR (gst_speex_enc_set_format);
+ base_class->handle_frame = GST_DEBUG_FUNCPTR (gst_speex_enc_handle_frame);
+ base_class->event = GST_DEBUG_FUNCPTR (gst_speex_enc_sink_event);
+ base_class->pre_push = GST_DEBUG_FUNCPTR (gst_speex_enc_pre_push);
- g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY,
+ 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_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BITRATE,
+ 0.0, 10.0, DEFAULT_QUALITY,
+ G_PARAM_CONSTRUCT | 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_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR,
+ 0, G_MAXINT, DEFAULT_BITRATE,
+ G_PARAM_CONSTRUCT | 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_CONSTRUCT | 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_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ABR,
+ "Enable variable bit-rate", DEFAULT_VBR,
+ G_PARAM_CONSTRUCT | 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_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VAD,
+ 0, G_MAXINT, DEFAULT_ABR,
+ G_PARAM_CONSTRUCT | 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_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DTX,
+ "Enable voice activity detection", DEFAULT_VAD,
+ G_PARAM_CONSTRUCT | 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_object_class_install_property (G_OBJECT_CLASS (klass), ARG_COMPLEXITY,
+ "Enable discontinuous transmission", DEFAULT_DTX,
+ G_PARAM_CONSTRUCT | 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_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NFRAMES,
+ 0, G_MAXINT, DEFAULT_COMPLEXITY,
+ G_PARAM_CONSTRUCT | 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_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LAST_MESSAGE,
+ 0, G_MAXINT, DEFAULT_NFRAMES,
+ G_PARAM_CONSTRUCT | 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));
-
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
- gstelement_class->change_state = gst_speexenc_change_state;
+ "The last status message", NULL,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&src_factory));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&sink_factory));
+ gst_element_class_set_details_simple (gstelement_class, "Speex audio encoder",
+ "Codec/Encoder/Audio",
+ "Encodes audio in Speex format", "Wim Taymans <wim@fluendo.com>");
+
+ GST_DEBUG_CATEGORY_INIT (speexenc_debug, "speexenc", 0, "Speex encoder");
}
-static gboolean
-gst_speexenc_sink_setcaps (GstPad * pad, GstCaps * caps)
+static void
+gst_speex_enc_finalize (GObject * object)
{
- GstSpeexEnc *speexenc;
- GstStructure *structure;
+ GstSpeexEnc *enc;
- speexenc = GST_SPEEXENC (GST_PAD_PARENT (pad));
- speexenc->setup = FALSE;
+ enc = GST_SPEEX_ENC (object);
- structure = gst_caps_get_structure (caps, 0);
- gst_structure_get_int (structure, "channels", &speexenc->channels);
- gst_structure_get_int (structure, "rate", &speexenc->rate);
+ g_free (enc->last_message);
- gst_speexenc_setup (speexenc);
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
- if (speexenc->setup)
- return TRUE;
+static void
+gst_speex_enc_init (GstSpeexEnc * enc)
+{
+ GstAudioEncoder *benc = GST_AUDIO_ENCODER (enc);
- return FALSE;
+ /* arrange granulepos marking (and required perfect ts) */
+ gst_audio_encoder_set_mark_granule (benc, TRUE);
+ gst_audio_encoder_set_perfect_timestamp (benc, TRUE);
}
static gboolean
-gst_speexenc_convert_src (GstPad * pad, GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
+gst_speex_enc_start (GstAudioEncoder * benc)
{
- gboolean res = TRUE;
- GstSpeexEnc *speexenc;
- gint64 avg;
-
- speexenc = GST_SPEEXENC (GST_PAD_PARENT (pad));
-
- if (speexenc->samples_in == 0 ||
- speexenc->bytes_out == 0 || speexenc->rate == 0)
- return FALSE;
+ GstSpeexEnc *enc = GST_SPEEX_ENC (benc);
- avg = (speexenc->bytes_out * speexenc->rate) / (speexenc->samples_in);
+ GST_DEBUG_OBJECT (enc, "start");
+ speex_bits_init (&enc->bits);
+ enc->tags = gst_tag_list_new_empty ();
+ enc->header_sent = FALSE;
- 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;
+ return TRUE;
}
static gboolean
-gst_speexenc_convert_sink (GstPad * pad, GstFormat src_format,
- gint64 src_value, GstFormat * dest_format, gint64 * dest_value)
+gst_speex_enc_stop (GstAudioEncoder * benc)
{
- gboolean res = TRUE;
- guint scale = 1;
- gint bytes_per_sample;
- GstSpeexEnc *speexenc;
-
- speexenc = GST_SPEEXENC (GST_PAD_PARENT (pad));
-
- bytes_per_sample = speexenc->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 * speexenc->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 (speexenc->rate == 0)
- return FALSE;
- *dest_value = src_value * GST_SECOND / speexenc->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 * speexenc->rate / GST_SECOND;
- break;
- default:
- res = FALSE;
- }
- break;
- default:
- res = FALSE;
+ GstSpeexEnc *enc = GST_SPEEX_ENC (benc);
+
+ GST_DEBUG_OBJECT (enc, "stop");
+ enc->header_sent = FALSE;
+ if (enc->state) {
+ speex_encoder_destroy (enc->state);
+ enc->state = NULL;
}
- return res;
+ speex_bits_destroy (&enc->bits);
+ gst_tag_list_free (enc->tags);
+ enc->tags = NULL;
+ g_slist_foreach (enc->headers, (GFunc) gst_buffer_unref, NULL);
+ enc->headers = NULL;
+
+ gst_tag_setter_reset_tags (GST_TAG_SETTER (enc));
+
+ return TRUE;
}
-static const GstQueryType *
-gst_speexenc_get_query_types (GstPad * pad)
+static gint64
+gst_speex_enc_get_latency (GstSpeexEnc * enc)
{
- static const GstQueryType gst_speexenc_src_query_types[] = {
- GST_QUERY_POSITION,
- GST_QUERY_DURATION,
- GST_QUERY_CONVERT,
- 0
- };
-
- return gst_speexenc_src_query_types;
+ /* See the Speex manual section "Latency and algorithmic delay" */
+ if (enc->rate == 8000)
+ return 30 * GST_MSECOND;
+ else
+ return 34 * GST_MSECOND;
}
static gboolean
-gst_speexenc_src_query (GstPad * pad, GstQuery * query)
+gst_speex_enc_set_format (GstAudioEncoder * benc, GstAudioInfo * info)
{
- gboolean res = TRUE;
- GstSpeexEnc *speexenc;
- GstPad *peerpad;
-
- speexenc = GST_SPEEXENC (gst_pad_get_parent (pad));
- peerpad = gst_pad_get_peer (GST_PAD (speexenc->sinkpad));
-
- 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_position (peerpad, &req_fmt, &val))) {
- gst_query_set_position (query, req_fmt, val);
- break;
- }
-
- fmt = GST_FORMAT_TIME;
- if (!(res = gst_pad_query_position (peerpad, &fmt, &pos)))
- break;
-
- if ((res = gst_pad_query_convert (peerpad, fmt, pos, &req_fmt, &val)))
- gst_query_set_position (query, req_fmt, val);
+ GstSpeexEnc *enc;
- 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_duration (peerpad, &req_fmt, &val))) {
- gst_query_set_duration (query, req_fmt, val);
- break;
- }
+ enc = GST_SPEEX_ENC (benc);
- fmt = GST_FORMAT_TIME;
- if (!(res = gst_pad_query_duration (peerpad, &fmt, &dur)))
- break;
+ enc->channels = GST_AUDIO_INFO_CHANNELS (info);
+ enc->rate = GST_AUDIO_INFO_RATE (info);
- if ((res = gst_pad_query_convert (peerpad, 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_speexenc_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;
- }
- default:
- res = FALSE;
- break;
+ /* handle reconfigure */
+ if (enc->state) {
+ speex_encoder_destroy (enc->state);
+ enc->state = NULL;
}
-error:
- gst_object_unref (peerpad);
- gst_object_unref (speexenc);
- return res;
-}
-
-static gboolean
-gst_speexenc_sink_query (GstPad * pad, GstQuery * query)
-{
- gboolean res = TRUE;
- GstSpeexEnc *speexenc;
+ if (!gst_speex_enc_setup (enc))
+ return FALSE;
- speexenc = GST_SPEEXENC (GST_PAD_PARENT (pad));
+ /* feedback to base class */
+ gst_audio_encoder_set_latency (benc,
+ gst_speex_enc_get_latency (enc), gst_speex_enc_get_latency (enc));
+ gst_audio_encoder_set_lookahead (benc, enc->lookahead);
- 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_speexenc_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 = FALSE;
- break;
+ if (enc->nframes == 0) {
+ /* as many frames as available input allows */
+ gst_audio_encoder_set_frame_samples_min (benc, enc->frame_size);
+ gst_audio_encoder_set_frame_samples_max (benc, enc->frame_size);
+ gst_audio_encoder_set_frame_max (benc, 0);
+ } else {
+ /* exactly as many frames as configured */
+ gst_audio_encoder_set_frame_samples_min (benc,
+ enc->frame_size * enc->nframes);
+ gst_audio_encoder_set_frame_samples_max (benc,
+ enc->frame_size * enc->nframes);
+ gst_audio_encoder_set_frame_max (benc, 1);
}
-error:
- return res;
-}
-
-static void
-gst_speexenc_init (GstSpeexEnc * speexenc)
-{
- speexenc->sinkpad =
- gst_pad_new_from_template (gst_speexenc_sink_template, "sink");
- gst_element_add_pad (GST_ELEMENT (speexenc), speexenc->sinkpad);
- gst_pad_set_event_function (speexenc->sinkpad, gst_speexenc_sinkevent);
- gst_pad_set_chain_function (speexenc->sinkpad, gst_speexenc_chain);
- gst_pad_set_setcaps_function (speexenc->sinkpad, gst_speexenc_sink_setcaps);
- gst_pad_set_query_function (speexenc->sinkpad,
- GST_DEBUG_FUNCPTR (gst_speexenc_sink_query));
-
- speexenc->srcpad =
- gst_pad_new_from_template (gst_speexenc_src_template, "src");
- gst_pad_set_query_function (speexenc->srcpad,
- GST_DEBUG_FUNCPTR (gst_speexenc_src_query));
- gst_pad_set_query_type_function (speexenc->srcpad,
- GST_DEBUG_FUNCPTR (gst_speexenc_get_query_types));
- gst_element_add_pad (GST_ELEMENT (speexenc), speexenc->srcpad);
-
- speexenc->channels = -1;
- speexenc->rate = -1;
-
- speexenc->quality = DEFAULT_QUALITY;
- speexenc->bitrate = DEFAULT_BITRATE;
- speexenc->vbr = DEFAULT_VBR;
- speexenc->abr = DEFAULT_ABR;
- speexenc->vad = DEFAULT_VAD;
- speexenc->dtx = DEFAULT_DTX;
- speexenc->complexity = DEFAULT_COMPLEXITY;
- speexenc->nframes = DEFAULT_NFRAMES;
-
- speexenc->setup = FALSE;
- speexenc->header_sent = FALSE;
-
- speexenc->adapter = gst_adapter_new ();
+ return TRUE;
}
-
-/* FIXME: why are we not using the from/to vorbiscomment
- * functions that are in -lgsttagedit-0.9 here? */
-
-static gchar *
-gst_speexenc_get_tag_value (const GstTagList * list, const gchar * tag,
- int index)
+static GstBuffer *
+gst_speex_enc_create_metadata_buffer (GstSpeexEnc * enc)
{
- GType tag_type;
- gchar *speexvalue = NULL;
+ const GstTagList *user_tags;
+ GstTagList *merged_tags;
+ GstBuffer *comments = NULL;
- if (tag == NULL)
- return NULL;
+ user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (enc));
- tag_type = gst_tag_get_type (tag);
+ GST_DEBUG_OBJECT (enc, "upstream tags = %" GST_PTR_FORMAT, enc->tags);
+ GST_DEBUG_OBJECT (enc, "user-set tags = %" GST_PTR_FORMAT, user_tags);
- /* get tag name right */
- if ((strcmp (tag, GST_TAG_TRACK_NUMBER) == 0)
- || (strcmp (tag, GST_TAG_ALBUM_VOLUME_NUMBER) == 0)
- || (strcmp (tag, GST_TAG_TRACK_COUNT) == 0)
- || (strcmp (tag, GST_TAG_ALBUM_VOLUME_COUNT) == 0)) {
- guint track_no;
+ /* 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 (gst_tag_list_get_uint_index (list, tag, index, &track_no)) {
- speexvalue = g_strdup_printf ("%u", track_no);
- } else {
- GST_WARNING ("Failed to extract int tag %d for '%s'", index, tag);
- }
- } else if (tag_type == GST_TYPE_DATE) {
- /* FIXME: how are dates represented in speex files? */
- GDate *date;
-
- if (gst_tag_list_get_date_index (list, tag, index, &date)) {
- speexvalue =
- g_strdup_printf ("%04d-%02d-%02d", (gint) g_date_get_year (date),
- (gint) g_date_get_month (date), (gint) g_date_get_day (date));
- g_date_free (date);
- } else {
- GST_WARNING ("Failed to extract date tag %d for '%s'", index, tag);
- }
- } else if (tag_type == G_TYPE_STRING) {
- if (!gst_tag_list_get_string_index (list, tag, index, &speexvalue))
- GST_WARNING ("Failed to extract string tag %d for '%s'", index, tag);
- }
+ if (merged_tags == NULL)
+ merged_tags = gst_tag_list_new_empty ();
- return speexvalue;
-}
-
-/*
- * Comments will be stored in the Vorbis style.
- * It is describled in the "Structure" section of
- * http://www.xiph.org/ogg/vorbis/doc/v-comment.html
- *
- * The comment header is decoded as follows:
- * 1) [vendor_length] = read an unsigned integer of 32 bits
- * 2) [vendor_string] = read a UTF-8 vector as [vendor_length] octets
- * 3) [user_comment_list_length] = read an unsigned integer of 32 bits
- * 4) iterate [user_comment_list_length] times {
- * 5) [length] = read an unsigned integer of 32 bits
- * 6) this iteration's user comment = read a UTF-8 vector as [length] octets
- * }
- * 7) [framing_bit] = read a single bit as boolean
- * 8) if ( [framing_bit] unset or end of packet ) then ERROR
- * 9) done.
- *
- * If you have troubles, please write to ymnk@jcraft.com.
- */
-static void
-comment_init (guint8 ** comments, int *length, char *vendor_string)
-{
- int vendor_length = strlen (vendor_string);
- int user_comment_list_length = 0;
- int len = 4 + vendor_length + 4;
- guint8 *p = g_malloc (len);
-
- GST_WRITE_UINT32_LE (p, vendor_length);
- memcpy (p + 4, vendor_string, vendor_length);
- GST_WRITE_UINT32_LE (p + 4 + vendor_length, user_comment_list_length);
- *length = len;
- *comments = p;
-}
-static void
-comment_add (guint8 ** comments, int *length, const char *tag, char *val)
-{
- guint8 *p = *comments;
- int vendor_length = GST_READ_UINT32_LE (p);
- int user_comment_list_length = GST_READ_UINT32_LE (p + 4 + vendor_length);
- int tag_len = (tag ? strlen (tag) : 0);
- int val_len = strlen (val);
- int len = (*length) + 4 + tag_len + val_len;
-
- p = g_realloc (p, len);
-
- GST_WRITE_UINT32_LE (p + *length, tag_len + val_len); /* length of comment */
- if (tag)
- memcpy (p + *length + 4, (guint8 *) tag, tag_len); /* comment */
- memcpy (p + *length + 4 + tag_len, val, val_len); /* comment */
- GST_WRITE_UINT32_LE (p + 4 + vendor_length, user_comment_list_length + 1);
-
- *comments = p;
- *length = len;
-}
-
-static void
-gst_speexenc_metadata_set1 (const GstTagList * list, const gchar * tag,
- gpointer speexenc)
-{
- const gchar *speextag = NULL;
- gchar *speexvalue = NULL;
- guint i, count;
- GstSpeexEnc *enc = GST_SPEEXENC (speexenc);
-
- speextag = gst_tag_to_vorbis_tag (tag);
- if (speextag == NULL) {
- return;
- }
+ 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);
- count = gst_tag_list_get_tag_size (list, tag);
- for (i = 0; i < count; i++) {
- speexvalue = gst_speexenc_get_tag_value (list, tag, i);
+ GST_BUFFER_OFFSET (comments) = 0;
+ GST_BUFFER_OFFSET_END (comments) = 0;
- if (speexvalue != NULL) {
- comment_add (&enc->comments, &enc->comment_len, speextag, speexvalue);
- }
- }
+ return comments;
}
static void
-gst_speexenc_set_metadata (GstSpeexEnc * speexenc)
+gst_speex_enc_set_last_msg (GstSpeexEnc * enc, const gchar * msg)
{
- GstTagList *copy;
- const GstTagList *user_tags;
-
- user_tags = gst_tag_setter_get_list (GST_TAG_SETTER (speexenc));
- if (!(speexenc->tags || user_tags))
- return;
-
- comment_init (&speexenc->comments, &speexenc->comment_len,
- "Encoded with GStreamer Speexenc");
- copy =
- gst_tag_list_merge (user_tags, speexenc->tags,
- gst_tag_setter_get_merge_mode (GST_TAG_SETTER (speexenc)));
- gst_tag_list_foreach (copy, gst_speexenc_metadata_set1, speexenc);
- gst_tag_list_free (copy);
+ 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_speexenc_setup (GstSpeexEnc * speexenc)
+gst_speex_enc_setup (GstSpeexEnc * enc)
{
- speexenc->setup = FALSE;
-
- switch (speexenc->mode) {
- case GST_SPEEXENC_MODE_UWB:
- speexenc->speex_mode = (SpeexMode *) & speex_uwb_mode;
+ 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_SPEEXENC_MODE_WB:
- speexenc->speex_mode = (SpeexMode *) & speex_wb_mode;
+ 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_SPEEXENC_MODE_NB:
- speexenc->speex_mode = (SpeexMode *) & speex_nb_mode;
+ 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_SPEEXENC_MODE_AUTO:
+ case GST_SPEEX_ENC_MODE_AUTO:
/* fall through */
+ GST_LOG_OBJECT (enc, "finding best mode");
default:
break;
}
- if (speexenc->rate > 25000) {
- if (speexenc->mode == GST_SPEEXENC_MODE_AUTO) {
- speexenc->speex_mode = (SpeexMode *) & speex_uwb_mode;
+ 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 (speexenc->speex_mode != &speex_uwb_mode) {
- speexenc->last_message =
- g_strdup_printf
- ("Warning: suggest to use ultra wide band mode for this rate");
- g_object_notify (G_OBJECT (speexenc), "last_message");
+ 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 (speexenc->rate > 12500) {
- if (speexenc->mode == GST_SPEEXENC_MODE_AUTO) {
- speexenc->speex_mode = (SpeexMode *) & speex_wb_mode;
+ } 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 (speexenc->speex_mode != &speex_wb_mode) {
- speexenc->last_message =
- g_strdup_printf
- ("Warning: suggest to use wide band mode for this rate");
- g_object_notify (G_OBJECT (speexenc), "last_message");
+ 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 (speexenc->mode == GST_SPEEXENC_MODE_AUTO) {
- speexenc->speex_mode = (SpeexMode *) & speex_nb_mode;
+ 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 (speexenc->speex_mode != &speex_nb_mode) {
- speexenc->last_message =
- g_strdup_printf
- ("Warning: suggest to use narrow band mode for this rate");
- g_object_notify (G_OBJECT (speexenc), "last_message");
+ 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 (speexenc->rate != 8000 && speexenc->rate != 16000
- && speexenc->rate != 32000) {
- speexenc->last_message =
- g_strdup_printf ("Warning: speex is optimized for 8, 16 and 32 KHz");
- g_object_notify (G_OBJECT (speexenc), "last_message");
+ 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 (&speexenc->header, speexenc->rate, 1,
- speexenc->speex_mode);
- speexenc->header.frames_per_packet = speexenc->nframes;
- speexenc->header.vbr = speexenc->vbr;
- speexenc->header.nb_channels = speexenc->channels;
+ 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 */
- speexenc->state = speex_encoder_init (speexenc->speex_mode);
+ enc->state = speex_encoder_init (enc->speex_mode);
- speex_encoder_ctl (speexenc->state, SPEEX_GET_FRAME_SIZE,
- &speexenc->frame_size);
- speex_encoder_ctl (speexenc->state, SPEEX_SET_COMPLEXITY,
- &speexenc->complexity);
- speex_encoder_ctl (speexenc->state, SPEEX_SET_SAMPLING_RATE, &speexenc->rate);
+ 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 (speexenc->vbr)
- speex_encoder_ctl (speexenc->state, SPEEX_SET_VBR_QUALITY,
- &speexenc->quality);
+ if (enc->vbr)
+ speex_encoder_ctl (enc->state, SPEEX_SET_VBR_QUALITY, &enc->quality);
else {
- gint tmp = floor (speexenc->quality);
+ gint tmp = floor (enc->quality);
- speex_encoder_ctl (speexenc->state, SPEEX_SET_QUALITY, &tmp);
+ speex_encoder_ctl (enc->state, SPEEX_SET_QUALITY, &tmp);
}
- if (speexenc->bitrate) {
- if (speexenc->quality >= 0.0 && speexenc->vbr) {
- speexenc->last_message =
- g_strdup_printf ("Warning: bitrate option is overriding quality");
- g_object_notify (G_OBJECT (speexenc), "last_message");
+ 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 (speexenc->state, SPEEX_SET_BITRATE, &speexenc->bitrate);
+ speex_encoder_ctl (enc->state, SPEEX_SET_BITRATE, &enc->bitrate);
}
- if (speexenc->vbr) {
+ if (enc->vbr) {
gint tmp = 1;
- speex_encoder_ctl (speexenc->state, SPEEX_SET_VBR, &tmp);
- } else if (speexenc->vad) {
+ speex_encoder_ctl (enc->state, SPEEX_SET_VBR, &tmp);
+ } else if (enc->vad) {
gint tmp = 1;
- speex_encoder_ctl (speexenc->state, SPEEX_SET_VAD, &tmp);
+ speex_encoder_ctl (enc->state, SPEEX_SET_VAD, &tmp);
}
- if (speexenc->dtx) {
+ if (enc->dtx) {
gint tmp = 1;
- speex_encoder_ctl (speexenc->state, SPEEX_SET_DTX, &tmp);
+ speex_encoder_ctl (enc->state, SPEEX_SET_DTX, &tmp);
}
- if (speexenc->dtx && !(speexenc->vbr || speexenc->abr || speexenc->vad)) {
- speexenc->last_message =
- g_strdup_printf ("Warning: dtx is useless without vad, vbr or abr");
- g_object_notify (G_OBJECT (speexenc), "last_message");
- } else if ((speexenc->vbr || speexenc->abr) && (speexenc->vad)) {
- speexenc->last_message =
- g_strdup_printf ("Warning: vad is already implied by vbr or abr");
- g_object_notify (G_OBJECT (speexenc), "last_message");
+ 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 (speexenc->abr) {
- speex_encoder_ctl (speexenc->state, SPEEX_SET_ABR, &speexenc->abr);
+ if (enc->abr) {
+ speex_encoder_ctl (enc->state, SPEEX_SET_ABR, &enc->abr);
}
- speex_encoder_ctl (speexenc->state, SPEEX_GET_LOOKAHEAD,
- &speexenc->lookahead);
+ speex_encoder_ctl (enc->state, SPEEX_GET_LOOKAHEAD, &enc->lookahead);
- speexenc->setup = TRUE;
+ GST_LOG_OBJECT (enc, "we have frame size %d, lookahead %d", enc->frame_size,
+ enc->lookahead);
return TRUE;
}
-/* prepare a buffer for transmission */
-static GstBuffer *
-gst_speexenc_buffer_from_data (GstSpeexEnc * speexenc, guchar * data,
- gint data_len, guint64 granulepos)
-{
- GstBuffer *outbuf;
-
- outbuf = gst_buffer_new_and_alloc (data_len);
- memcpy (GST_BUFFER_DATA (outbuf), data, data_len);
- GST_BUFFER_OFFSET (outbuf) = speexenc->bytes_out;
- GST_BUFFER_OFFSET_END (outbuf) = granulepos;
-
- GST_DEBUG ("encoded buffer of %d bytes", GST_BUFFER_SIZE (outbuf));
- return outbuf;
-}
-
-/* push out the buffer and do internal bookkeeping */
-static void
-gst_speexenc_push_buffer (GstSpeexEnc * speexenc, GstBuffer * buffer)
-{
- speexenc->bytes_out += GST_BUFFER_SIZE (buffer);
-
- if (GST_PAD_IS_USABLE (speexenc->srcpad)) {
- gst_pad_push (speexenc->srcpad, buffer);
- } else {
- gst_buffer_unref (buffer);
- }
-}
-
-static GstCaps *
-gst_speexenc_set_header_on_caps (GstCaps * caps, GstBuffer * buf1,
- GstBuffer * buf2)
+/* push out the buffer */
+static GstFlowReturn
+gst_speex_enc_push_buffer (GstSpeexEnc * enc, GstBuffer * buffer)
{
- caps = gst_caps_make_writable (caps);
- GstStructure *structure = gst_caps_get_structure (caps, 0);
- GValue list = { 0 };
- GValue value = { 0 };
-
- /* mark buffers */
- GST_BUFFER_FLAG_SET (buf1, GST_BUFFER_FLAG_IN_CAPS);
- GST_BUFFER_FLAG_SET (buf2, GST_BUFFER_FLAG_IN_CAPS);
+ GST_DEBUG_OBJECT (enc, "pushing output buffer of size %u",
+ gst_buffer_get_size (buffer));
- /* put buffers in a fixed list */
- g_value_init (&list, GST_TYPE_ARRAY);
- g_value_init (&value, GST_TYPE_BUFFER);
- gst_value_set_buffer (&value, buf1);
- gst_value_list_append_value (&list, &value);
- g_value_unset (&value);
- g_value_init (&value, GST_TYPE_BUFFER);
- gst_value_set_buffer (&value, buf2);
- gst_value_list_append_value (&list, &value);
- gst_structure_set_value (structure, "streamheader", &list);
- g_value_unset (&value);
- g_value_unset (&list);
-
- return caps;
+ return gst_pad_push (GST_AUDIO_ENCODER_SRC_PAD (enc), buffer);
}
-
static gboolean
-gst_speexenc_sinkevent (GstPad * pad, GstEvent * event)
+gst_speex_enc_sink_event (GstAudioEncoder * benc, GstEvent * event)
{
- gboolean res = TRUE;
- GstSpeexEnc *speexenc;
+ GstSpeexEnc *enc;
- speexenc = GST_SPEEXENC (GST_PAD_PARENT (pad));
+ enc = GST_SPEEX_ENC (benc);
switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- speexenc->eos = TRUE;
- res = gst_pad_event_default (pad, event);
- break;
case GST_EVENT_TAG:
{
- GstTagList *list;
+ if (enc->tags) {
+ GstTagList *list;
- gst_event_parse_tag (event, &list);
- if (speexenc->tags) {
- gst_tag_list_insert (speexenc->tags, list,
- gst_tag_setter_get_merge_mode (GST_TAG_SETTER (speexenc)));
+ 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;
}
- return res;
+
+ /* we only peeked, let base class handle it */
+ return FALSE;
}
static GstFlowReturn
-gst_speexenc_chain (GstPad * pad, GstBuffer * buf)
+gst_speex_enc_encode (GstSpeexEnc * enc, GstBuffer * buf)
{
- GstSpeexEnc *speexenc;
+ gint frame_size = enc->frame_size;
+ gint bytes = frame_size * 2 * enc->channels, samples;
+ gint outsize, written, dtx_ret = 0;
+ guint8 *data, *data0 = NULL, *bdata, *outdata;
+ gsize bsize, size;
+ GstBuffer *outbuf;
+ GstFlowReturn ret = GST_FLOW_OK;
- speexenc = GST_SPEEXENC (GST_PAD_PARENT (pad));
+ if (G_LIKELY (buf)) {
+ bdata = gst_buffer_map (buf, &bsize, NULL, GST_MAP_READ);
- if (!speexenc->setup) {
+ if (G_UNLIKELY (bsize % bytes)) {
+ GST_DEBUG_OBJECT (enc, "draining; adding silence samples");
+
+ size = ((bsize / bytes) + 1) * bytes;
+ data0 = data = g_malloc0 (size);
+ memcpy (data, bdata, bsize);
+ gst_buffer_unmap (buf, bdata, bsize);
+ bdata = NULL;
+ } else {
+ data = bdata;
+ size = bsize;
+ }
+ } else {
+ GST_DEBUG_OBJECT (enc, "nothing to drain");
+ goto done;
+ }
+
+ samples = size / (2 * enc->channels);
+ speex_bits_reset (&enc->bits);
+
+ /* FIXME what about dropped samples if DTS enabled ?? */
+
+ while (size) {
+ GST_DEBUG_OBJECT (enc, "encoding %d samples (%d bytes)", frame_size, bytes);
+
+ if (enc->channels == 2) {
+ speex_encode_stereo_int ((gint16 *) data, frame_size, &enc->bits);
+ }
+ dtx_ret += speex_encode_int (enc->state, (gint16 *) data, &enc->bits);
+
+ data += bytes;
+ size -= bytes;
+ }
+
+ speex_bits_insert_terminator (&enc->bits);
+ outsize = speex_bits_nbytes (&enc->bits);
+
+ if (bdata)
+ gst_buffer_unmap (buf, bdata, bsize);
+
+#if 0
+ ret = gst_pad_alloc_buffer_and_set_caps (GST_AUDIO_ENCODER_SRC_PAD (enc),
+ GST_BUFFER_OFFSET_NONE, outsize,
+ GST_PAD_CAPS (GST_AUDIO_ENCODER_SRC_PAD (enc)), &outbuf);
+
+ if ((GST_FLOW_OK != ret))
+ goto done;
+#endif
+ outbuf = gst_buffer_new_allocate (NULL, outsize, 0);
+ outdata = gst_buffer_map (outbuf, NULL, NULL, GST_MAP_WRITE);
+
+ written = speex_bits_write (&enc->bits, (gchar *) outdata, outsize);
+
+ if (G_UNLIKELY (written < outsize)) {
+ GST_ERROR_OBJECT (enc, "short write: %d < %d bytes", written, outsize);
+ } else if (G_UNLIKELY (written > outsize)) {
+ GST_ERROR_OBJECT (enc, "overrun: %d > %d bytes", written, outsize);
+ written = outsize;
+ }
+ gst_buffer_unmap (outbuf, outdata, written);
+
+ if (!dtx_ret)
+ GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_GAP);
+
+ ret = gst_audio_encoder_finish_frame (GST_AUDIO_ENCODER (enc),
+ outbuf, samples);
+
+done:
+ g_free (data0);
+ return ret;
+}
+
+/*
+ * (really really) FIXME: move into core (dixit tpm)
+ */
+/**
+ * _gst_caps_set_buffer_array:
+ * @caps: a #GstCaps
+ * @field: field in caps to set
+ * @buf: header buffers
+ *
+ * Adds given buffers to an array of buffers set as the given @field
+ * on the given @caps. List of buffer arguments must be NULL-terminated.
+ *
+ * Returns: input caps with a streamheader field added, or NULL if some error
+ */
+static GstCaps *
+_gst_caps_set_buffer_array (GstCaps * caps, const gchar * field,
+ GstBuffer * buf, ...)
+{
+ GstStructure *structure = NULL;
+ va_list va;
+ GValue array = { 0 };
+ GValue value = { 0 };
+
+ g_return_val_if_fail (caps != NULL, NULL);
+ g_return_val_if_fail (gst_caps_is_fixed (caps), NULL);
+ g_return_val_if_fail (field != NULL, NULL);
+
+ caps = gst_caps_make_writable (caps);
+ structure = gst_caps_get_structure (caps, 0);
+
+ g_value_init (&array, GST_TYPE_ARRAY);
+
+ va_start (va, buf);
+ /* put buffers in a fixed list */
+ while (buf) {
+ g_assert (gst_buffer_is_writable (buf));
+
+ /* mark buffer */
+ GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_IN_CAPS);
+
+ g_value_init (&value, GST_TYPE_BUFFER);
+ buf = gst_buffer_copy (buf);
+ GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_IN_CAPS);
+ gst_value_set_buffer (&value, buf);
gst_buffer_unref (buf);
- GST_ELEMENT_ERROR (speexenc, CORE, NEGOTIATION, (NULL),
- ("encoder not initialized (input is not audio?)"));
- return GST_FLOW_UNEXPECTED;
+ gst_value_array_append_value (&array, &value);
+ g_value_unset (&value);
+
+ buf = va_arg (va, GstBuffer *);
}
- if (!speexenc->header_sent) {
+ gst_structure_set_value (structure, field, &array);
+ g_value_unset (&array);
+
+ return caps;
+}
+
+static GstFlowReturn
+gst_speex_enc_handle_frame (GstAudioEncoder * benc, GstBuffer * buf)
+{
+ GstSpeexEnc *enc;
+ GstFlowReturn ret = GST_FLOW_OK;
+
+ enc = GST_SPEEX_ENC (benc);
+
+ 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.
guchar *data;
gint data_len;
- gst_speexenc_set_metadata (speexenc);
-
/* create header buffer */
- data = (guint8 *) speex_header_to_packet (&speexenc->header, &data_len);
- buf1 = gst_speexenc_buffer_from_data (speexenc, data, data_len, 0);
+ data = (guint8 *) speex_header_to_packet (&enc->header, &data_len);
+ buf1 = gst_buffer_new_wrapped (data, data_len);
+ GST_BUFFER_OFFSET_END (buf1) = 0;
+ GST_BUFFER_OFFSET (buf1) = 0;
/* create comment buffer */
- buf2 =
- gst_speexenc_buffer_from_data (speexenc, speexenc->comments,
- speexenc->comment_len, 0);
+ buf2 = gst_speex_enc_create_metadata_buffer (enc);
/* mark and put on caps */
- caps = gst_pad_get_caps (speexenc->srcpad);
- caps = gst_speexenc_set_header_on_caps (caps, buf1, buf2);
+ caps = gst_caps_new_simple ("audio/x-speex", "rate", G_TYPE_INT, enc->rate,
+ "channels", G_TYPE_INT, enc->channels, NULL);
+ caps = _gst_caps_set_buffer_array (caps, "streamheader", buf1, buf2, NULL);
/* negotiate with these caps */
- GST_DEBUG ("here are the caps: %" GST_PTR_FORMAT, caps);
- gst_pad_set_caps (speexenc->srcpad, caps);
+ GST_DEBUG_OBJECT (enc, "here are the caps: %" GST_PTR_FORMAT, caps);
- gst_buffer_set_caps (buf1, caps);
- gst_buffer_set_caps (buf2, caps);
+ gst_pad_set_caps (GST_AUDIO_ENCODER_SRC_PAD (enc), caps);
+ gst_caps_unref (caps);
/* push out buffers */
- gst_speexenc_push_buffer (speexenc, buf1);
- gst_speexenc_push_buffer (speexenc, buf2);
-
- speex_bits_init (&speexenc->bits);
- speex_bits_reset (&speexenc->bits);
-
- speexenc->header_sent = TRUE;
+ /* store buffers for later pre_push sending */
+ g_slist_foreach (enc->headers, (GFunc) gst_buffer_unref, NULL);
+ enc->headers = NULL;
+ GST_DEBUG_OBJECT (enc, "storing header buffers");
+ enc->headers = g_slist_prepend (enc->headers, buf2);
+ enc->headers = g_slist_prepend (enc->headers, buf1);
+
+ enc->header_sent = TRUE;
}
- {
- gint frame_size = speexenc->frame_size;
- gint bytes = frame_size * 2 * speexenc->channels;
-
- /* push buffer to adapter */
- gst_adapter_push (speexenc->adapter, buf);
-
- while (gst_adapter_available (speexenc->adapter) >= bytes) {
- gint16 *data;
- gint i;
- gint outsize, written;
- GstBuffer *outbuf;
-
- data = (gint16 *) gst_adapter_peek (speexenc->adapter, bytes);
-
- for (i = 0; i < frame_size * speexenc->channels; i++) {
- speexenc->input[i] = (gfloat) data[i];
- }
- gst_adapter_flush (speexenc->adapter, bytes);
-
- speexenc->samples_in += frame_size;
-
- if (speexenc->channels == 2) {
- speex_encode_stereo (speexenc->input, frame_size, &speexenc->bits);
- }
- speex_encode (speexenc->state, speexenc->input, &speexenc->bits);
-
- speexenc->frameno++;
-
- if ((speexenc->frameno % speexenc->nframes) != 0)
- continue;
-
- speex_bits_insert_terminator (&speexenc->bits);
- outsize = speex_bits_nbytes (&speexenc->bits);
+ GST_DEBUG_OBJECT (enc, "received buffer %p of %u bytes", buf,
+ buf ? gst_buffer_get_size (buf) : 0);
- gst_pad_alloc_buffer (speexenc->srcpad,
- GST_BUFFER_OFFSET_NONE, outsize, GST_PAD_CAPS (speexenc->srcpad),
- &outbuf);
+ ret = gst_speex_enc_encode (enc, buf);
- written = speex_bits_write (&speexenc->bits,
- (gchar *) GST_BUFFER_DATA (outbuf), outsize);
- g_assert (written == outsize);
- speex_bits_reset (&speexenc->bits);
-
- GST_BUFFER_TIMESTAMP (outbuf) =
- (speexenc->frameno * frame_size -
- speexenc->lookahead) * GST_SECOND / speexenc->rate;
- GST_BUFFER_DURATION (outbuf) = frame_size * GST_SECOND / speexenc->rate;
- GST_BUFFER_OFFSET (outbuf) = speexenc->bytes_out;
- GST_BUFFER_OFFSET_END (outbuf) =
- speexenc->frameno * frame_size - speexenc->lookahead;
+ return ret;
+}
- gst_speexenc_push_buffer (speexenc, outbuf);
+static GstFlowReturn
+gst_speex_enc_pre_push (GstAudioEncoder * benc, GstBuffer ** buffer)
+{
+ GstSpeexEnc *enc;
+ GstFlowReturn ret = GST_FLOW_OK;
+
+ enc = GST_SPEEX_ENC (benc);
+
+ /* FIXME 0.11 ? get rid of this special ogg stuff and have it
+ * put and use 'codec data' in caps like anything else,
+ * with all the usual out-of-band advantage etc */
+ if (G_UNLIKELY (enc->headers)) {
+ GSList *header = enc->headers;
+
+ /* try to push all of these, if we lose one, might as well lose all */
+ while (header) {
+ if (ret == GST_FLOW_OK)
+ ret = gst_speex_enc_push_buffer (enc, header->data);
+ else
+ gst_speex_enc_push_buffer (enc, header->data);
+ header = g_slist_next (header);
}
+
+ g_slist_free (enc->headers);
+ enc->headers = NULL;
}
- return GST_FLOW_OK;
+ return ret;
}
static void
-gst_speexenc_get_property (GObject * object, guint prop_id, GValue * value,
+gst_speex_enc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
- GstSpeexEnc *speexenc;
-
- g_return_if_fail (GST_IS_SPEEXENC (object));
+ GstSpeexEnc *enc;
- speexenc = GST_SPEEXENC (object);
+ enc = GST_SPEEX_ENC (object);
switch (prop_id) {
- case ARG_QUALITY:
- g_value_set_float (value, speexenc->quality);
+ case PROP_QUALITY:
+ g_value_set_float (value, enc->quality);
break;
- case ARG_BITRATE:
- g_value_set_int (value, speexenc->bitrate);
+ case PROP_BITRATE:
+ g_value_set_int (value, enc->bitrate);
break;
- case ARG_VBR:
- g_value_set_boolean (value, speexenc->vbr);
+ case PROP_MODE:
+ g_value_set_enum (value, enc->mode);
break;
- case ARG_ABR:
- g_value_set_int (value, speexenc->abr);
+ case PROP_VBR:
+ g_value_set_boolean (value, enc->vbr);
break;
- case ARG_VAD:
- g_value_set_boolean (value, speexenc->vad);
+ case PROP_ABR:
+ g_value_set_int (value, enc->abr);
break;
- case ARG_DTX:
- g_value_set_boolean (value, speexenc->dtx);
+ case PROP_VAD:
+ g_value_set_boolean (value, enc->vad);
break;
- case ARG_COMPLEXITY:
- g_value_set_int (value, speexenc->complexity);
+ case PROP_DTX:
+ g_value_set_boolean (value, enc->dtx);
break;
- case ARG_NFRAMES:
- g_value_set_int (value, speexenc->nframes);
+ case PROP_COMPLEXITY:
+ g_value_set_int (value, enc->complexity);
break;
- case ARG_LAST_MESSAGE:
- g_value_set_string (value, speexenc->last_message);
+ 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);
}
static void
-gst_speexenc_set_property (GObject * object, guint prop_id,
+gst_speex_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
- GstSpeexEnc *speexenc;
-
- g_return_if_fail (GST_IS_SPEEXENC (object));
+ GstSpeexEnc *enc;
- speexenc = GST_SPEEXENC (object);
+ enc = GST_SPEEX_ENC (object);
switch (prop_id) {
- case ARG_QUALITY:
- speexenc->quality = g_value_get_float (value);
+ case PROP_QUALITY:
+ enc->quality = g_value_get_float (value);
break;
- case ARG_BITRATE:
- speexenc->bitrate = g_value_get_int (value);
+ case PROP_BITRATE:
+ enc->bitrate = g_value_get_int (value);
break;
- case ARG_VBR:
- speexenc->vbr = g_value_get_boolean (value);
+ case PROP_MODE:
+ enc->mode = g_value_get_enum (value);
break;
- case ARG_ABR:
- speexenc->abr = g_value_get_int (value);
+ case PROP_VBR:
+ enc->vbr = g_value_get_boolean (value);
break;
- case ARG_VAD:
- speexenc->vad = g_value_get_boolean (value);
+ case PROP_ABR:
+ enc->abr = g_value_get_int (value);
break;
- case ARG_DTX:
- speexenc->dtx = g_value_get_boolean (value);
+ case PROP_VAD:
+ enc->vad = g_value_get_boolean (value);
break;
- case ARG_COMPLEXITY:
- speexenc->complexity = g_value_get_int (value);
+ case PROP_DTX:
+ enc->dtx = g_value_get_boolean (value);
break;
- case ARG_NFRAMES:
- speexenc->nframes = g_value_get_int (value);
+ case PROP_COMPLEXITY:
+ enc->complexity = g_value_get_int (value);
break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ case PROP_NFRAMES:
+ enc->nframes = g_value_get_int (value);
break;
- }
-}
-
-static GstStateChangeReturn
-gst_speexenc_change_state (GstElement * element, GstStateChange transition)
-{
- GstSpeexEnc *speexenc = GST_SPEEXENC (element);
- GstStateChangeReturn res;
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- speexenc->tags = gst_tag_list_new ();
- break;
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- speexenc->frameno = 0;
- speexenc->samples_in = 0;
- break;
- case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
- /* fall through */
- default:
- break;
- }
-
- res = 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:
- speexenc->setup = FALSE;
- speexenc->header_sent = FALSE;
- break;
- case GST_STATE_CHANGE_READY_TO_NULL:
- gst_tag_list_free (speexenc->tags);
- speexenc->tags = NULL;
default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
-
- return res;
}
projects / platform / upstream / gstreamer.git / blobdiff