/* ERRORS */
encode_failed:
{
+ gst_buffer_unref (out_buf);
GST_ELEMENT_ERROR (faac, LIBRARY, ENCODE, (NULL), (NULL));
+ gst_buffer_unmap (in_buf, data, size);
+ gst_buffer_unmap (out_buf, out_data, 0);
+ gst_buffer_unref (out_buf);
return GST_FLOW_ERROR;
}
}
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-raw-int, "
- "rate = (int) { 48000, 24000, 16000, 12000, 8000 }, "
- "channels = (int) [ 1, 8 ], "
- "endianness = (int) BYTE_ORDER, "
- "signed = (boolean) true, " "width = (int) 16, " "depth = (int) 16")
+ GST_STATIC_CAPS ("audio/x-raw, "
- "format = (string) { S16LE }, "
++ "format = (string) { " GST_AUDIO_NE (S16) " }, "
+ "rate = (int) { 8000, 12000, 16000, 24000, 48000 }, "
- "channels = (int) [ 1, 2 ] ")
++ "channels = (int) [ 1, 8 ] ")
);
static GstStaticPadTemplate opus_dec_sink_factory =
GST_STATIC_CAPS ("audio/x-opus")
);
-GST_BOILERPLATE (GstOpusDec, gst_opus_dec, GstAudioDecoder,
- GST_TYPE_AUDIO_DECODER);
+G_DEFINE_TYPE (GstOpusDec, gst_opus_dec, GST_TYPE_AUDIO_DECODER);
+
+ #define DB_TO_LINEAR(x) pow (10., (x) / 20.)
+
+ #define DEFAULT_USE_INBAND_FEC FALSE
+ #define DEFAULT_APPLY_GAIN TRUE
+
+ enum
+ {
+ PROP_0,
+ PROP_USE_INBAND_FEC,
+ PROP_APPLY_GAIN
+ };
+
+
static GstFlowReturn gst_opus_dec_parse_header (GstOpusDec * dec,
GstBuffer * buf);
static gboolean gst_opus_dec_start (GstAudioDecoder * dec);
GstBuffer * buffer);
static gboolean gst_opus_dec_set_format (GstAudioDecoder * bdec,
GstCaps * caps);
+ static void gst_opus_dec_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+ static void gst_opus_dec_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+
static void
-gst_opus_dec_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 (&opus_dec_src_factory));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&opus_dec_sink_factory));
- gst_element_class_set_details_simple (element_class, "Opus audio decoder",
- "Codec/Decoder/Audio",
- "decode opus streams to audio",
- "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
-}
-
-static void
gst_opus_dec_class_init (GstOpusDecClass * klass)
{
+ GObjectClass *gobject_class;
GstAudioDecoderClass *adclass;
- GstElementClass *gstelement_class;
+ GstElementClass *element_class;
+ gobject_class = (GObjectClass *) klass;
adclass = (GstAudioDecoderClass *) klass;
- gstelement_class = (GstElementClass *) klass;
+ element_class = (GstElementClass *) klass;
+ gobject_class->set_property = gst_opus_dec_set_property;
+ gobject_class->get_property = gst_opus_dec_get_property;
+
adclass->start = GST_DEBUG_FUNCPTR (gst_opus_dec_start);
adclass->stop = GST_DEBUG_FUNCPTR (gst_opus_dec_stop);
adclass->handle_frame = GST_DEBUG_FUNCPTR (gst_opus_dec_handle_frame);
adclass->set_format = GST_DEBUG_FUNCPTR (gst_opus_dec_set_format);
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&opus_dec_src_factory));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&opus_dec_sink_factory));
+ gst_element_class_set_details_simple (element_class, "Opus audio decoder",
+ "Codec/Decoder/Audio",
+ "decode opus streams to audio",
+ "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
+ g_object_class_install_property (gobject_class, PROP_USE_INBAND_FEC,
+ g_param_spec_boolean ("use-inband-fec", "Use in-band FEC",
+ "Use forward error correction if available", DEFAULT_USE_INBAND_FEC,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_APPLY_GAIN,
+ g_param_spec_boolean ("apply-gain", "Apply gain",
+ "Apply gain if any is specified in the header", DEFAULT_APPLY_GAIN,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
GST_DEBUG_CATEGORY_INIT (opusdec_debug, "opusdec", 0,
"opus decoding element");
static GstFlowReturn
gst_opus_dec_parse_header (GstOpusDec * dec, GstBuffer * buf)
{
- g_return_val_if_fail (gst_opus_header_is_header (buf, "OpusHead", 8),
- GST_FLOW_ERROR);
- g_return_val_if_fail (GST_BUFFER_SIZE (buf) >= 19, GST_FLOW_ERROR);
- const guint8 *data = GST_BUFFER_DATA (buf);
++ const guint8 *data;
+ GstCaps *caps;
+ GstStructure *s;
+ const GstAudioChannelPosition *pos = NULL;
+
+ g_return_val_if_fail (gst_opus_header_is_id_header (buf), GST_FLOW_ERROR);
++
++ data = gst_buffer_map (buf, NULL, NULL, GST_MAP_READ);
++
+ g_return_val_if_fail (dec->n_channels != data[9], GST_FLOW_ERROR);
- dec->pre_skip = GST_READ_UINT16_LE (GST_BUFFER_DATA (buf) + 10);
- GST_INFO_OBJECT (dec, "Found pre-skip of %u samples", dec->pre_skip);
+ dec->n_channels = data[9];
+ dec->pre_skip = GST_READ_UINT16_LE (data + 10);
+ dec->r128_gain = GST_READ_UINT16_LE (data + 14);
+ dec->r128_gain_volume = gst_opus_dec_get_r128_volume (dec->r128_gain);
+ GST_INFO_OBJECT (dec,
+ "Found pre-skip of %u samples, R128 gain %d (volume %f)",
+ dec->pre_skip, dec->r128_gain, dec->r128_gain_volume);
+
+ dec->channel_mapping_family = data[18];
+ if (dec->channel_mapping_family == 0) {
+ /* implicit mapping */
+ GST_INFO_OBJECT (dec, "Channel mapping family 0, implicit mapping");
+ dec->n_streams = dec->n_stereo_streams = 1;
+ dec->channel_mapping[0] = 0;
+ dec->channel_mapping[1] = 1;
+ } else {
+ dec->n_streams = data[19];
+ dec->n_stereo_streams = data[20];
+ memcpy (dec->channel_mapping, data + 21, dec->n_channels);
+
+ if (dec->channel_mapping_family == 1) {
+ GST_INFO_OBJECT (dec, "Channel mapping family 1, Vorbis mapping");
+ switch (dec->n_channels) {
+ case 1:
+ case 2:
+ /* nothing */
+ break;
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+ case 8:
+ pos = gst_opus_channel_positions[dec->n_channels - 1];
+ break;
+ default:{
+ gint i;
+ GstAudioChannelPosition *posn =
+ g_new (GstAudioChannelPosition, dec->n_channels);
+
+ GST_ELEMENT_WARNING (GST_ELEMENT (dec), STREAM, DECODE,
+ (NULL), ("Using NONE channel layout for more than 8 channels"));
+
+ for (i = 0; i < dec->n_channels; i++)
+ posn[i] = GST_AUDIO_CHANNEL_POSITION_NONE;
+
+ pos = posn;
+ }
+ }
+ } else {
+ GST_INFO_OBJECT (dec, "Channel mapping family %d",
+ dec->channel_mapping_family);
+ }
+ }
+
+ /* negotiate width with downstream */
+ caps = gst_pad_get_allowed_caps (GST_AUDIO_DECODER_SRC_PAD (dec));
+ s = gst_caps_get_structure (caps, 0);
+ gst_structure_fixate_field_nearest_int (s, "rate", 48000);
+ gst_structure_get_int (s, "rate", &dec->sample_rate);
+ gst_structure_fixate_field_nearest_int (s, "channels", dec->n_channels);
+ gst_structure_get_int (s, "channels", &dec->n_channels);
+
+ GST_INFO_OBJECT (dec, "Negotiated %d channels, %d Hz", dec->n_channels,
+ dec->sample_rate);
+
+ if (pos) {
+ gst_audio_set_channel_positions (gst_caps_get_structure (caps, 0), pos);
+ }
+
+ if (dec->n_channels > 8) {
+ g_free ((GstAudioChannelPosition *) pos);
+ }
+
+ GST_INFO_OBJECT (dec, "Setting src caps to %" GST_PTR_FORMAT, caps);
+ gst_pad_set_caps (GST_AUDIO_DECODER_SRC_PAD (dec), caps);
+ gst_caps_unref (caps);
+
++ gst_buffer_unmap (buf, (guint8 *) data, -1);
+
return GST_FLOW_OK;
}
return GST_FLOW_OK;
}
- static void
- gst_opus_dec_setup_from_peer_caps (GstOpusDec * dec)
- {
- GstPad *srcpad, *peer;
- GstStructure *s;
- GstCaps *caps;
- const GstCaps *template_caps;
- const GstCaps *peer_caps;
-
- srcpad = GST_AUDIO_DECODER_SRC_PAD (dec);
- peer = gst_pad_get_peer (srcpad);
-
- if (peer) {
- template_caps = gst_pad_get_pad_template_caps (srcpad);
- peer_caps = gst_pad_get_caps (peer);
- GST_DEBUG_OBJECT (dec, "Peer caps: %" GST_PTR_FORMAT, peer_caps);
- caps = gst_caps_intersect (template_caps, peer_caps);
- gst_pad_fixate_caps (peer, caps);
- GST_DEBUG_OBJECT (dec, "Fixated caps: %" GST_PTR_FORMAT, caps);
-
- s = gst_caps_get_structure (caps, 0);
- if (!gst_structure_get_int (s, "channels", &dec->n_channels)) {
- dec->n_channels = 2;
- GST_WARNING_OBJECT (dec, "Failed to get channels, using default %d",
- dec->n_channels);
- } else {
- GST_DEBUG_OBJECT (dec, "Got channels %d", dec->n_channels);
- }
- if (!gst_structure_get_int (s, "rate", &dec->sample_rate)) {
- dec->sample_rate = 48000;
- GST_WARNING_OBJECT (dec, "Failed to get rate, using default %d",
- dec->sample_rate);
- } else {
- GST_DEBUG_OBJECT (dec, "Got sample rate %d", dec->sample_rate);
- }
-
- gst_audio_decoder_set_outcaps (GST_AUDIO_DECODER (dec), caps);
- } else {
- GST_WARNING_OBJECT (dec, "Failed to get src pad peer");
- }
- }
-
static GstFlowReturn
- opus_dec_chain_parse_data (GstOpusDec * dec, GstBuffer * buf)
+ opus_dec_chain_parse_data (GstOpusDec * dec, GstBuffer * buffer)
{
GstFlowReturn res = GST_FLOW_OK;
- gint size;
+ gsize size, out_size;
guint8 *data;
GstBuffer *outbuf;
gint16 *out_data;
goto creation_failed;
}
- GST_BUFFER_SIZE (buffer));
+ if (buffer) {
+ GST_DEBUG_OBJECT (dec, "Received buffer of size %u",
++ gst_buffer_get_size (buffer));
+ } else {
+ GST_DEBUG_OBJECT (dec, "Received missing buffer");
+ }
+
+ /* if using in-band FEC, we introdude one extra frame's delay as we need
+ to potentially wait for next buffer to decode a missing buffer */
+ if (dec->use_inband_fec && !dec->primed) {
+ GST_DEBUG_OBJECT (dec, "First buffer received in FEC mode, early out");
+ goto done;
+ }
+
+ /* That's the buffer we'll be sending to the opus decoder. */
+ buf = dec->use_inband_fec && dec->last_buffer ? dec->last_buffer : buffer;
+
if (buf) {
- data = GST_BUFFER_DATA (buf);
- size = GST_BUFFER_SIZE (buf);
+ data = gst_buffer_map (buf, &size, NULL, GST_MAP_READ);
+
- GST_DEBUG_OBJECT (dec, "received buffer of size %u", size);
+ GST_DEBUG_OBJECT (dec, "Using buffer of size %u", size);
} else {
/* concealment data, pass NULL as the bits parameters */
- GST_DEBUG_OBJECT (dec, "creating concealment data");
+ GST_DEBUG_OBJECT (dec, "Using NULL buffer");
data = NULL;
size = 0;
}
- if (data) {
- samples =
- opus_packet_get_samples_per_frame (data,
- dec->sample_rate) * opus_packet_get_nb_frames (data, size);
- packet_size = samples * dec->n_channels * 2;
- GST_DEBUG_OBJECT (dec, "bandwidth %d", opus_packet_get_bandwidth (data));
- GST_DEBUG_OBJECT (dec, "samples %d", samples);
- } else {
- /* use maximum size (120 ms) as we do now know in advance how many samples
- will be returned */
- samples = 120 * dec->sample_rate / 1000;
- }
-
+ /* use maximum size (120 ms) as the number of returned samples is
+ not constant over the stream. */
+ samples = 120 * dec->sample_rate / 1000;
packet_size = samples * dec->n_channels * 2;
- res = gst_pad_alloc_buffer_and_set_caps (GST_AUDIO_DECODER_SRC_PAD (dec),
- GST_BUFFER_OFFSET_NONE, packet_size,
- GST_PAD_CAPS (GST_AUDIO_DECODER_SRC_PAD (dec)), &outbuf);
-
- if (res != GST_FLOW_OK) {
- GST_DEBUG_OBJECT (dec, "buf alloc flow: %s", gst_flow_get_name (res));
- return res;
+
+ outbuf = gst_buffer_new_and_alloc (packet_size);
+ if (!outbuf) {
+ goto buffer_failed;
}
- out_data = (gint16 *) GST_BUFFER_DATA (outbuf);
+ out_data = (gint16 *) gst_buffer_map (outbuf, &out_size, NULL, GST_MAP_WRITE);
- n = opus_decode (dec->state, data, size, out_data, samples, 0);
+ if (dec->use_inband_fec) {
+ if (dec->last_buffer) {
+ /* normal delayed decode */
+ n = opus_multistream_decode (dec->state, data, size, out_data, samples,
+ 0);
+ } else {
+ /* FEC reconstruction decode */
+ n = opus_multistream_decode (dec->state, data, size, out_data, samples,
+ 1);
+ }
+ } else {
+ /* normal decode */
+ n = opus_multistream_decode (dec->state, data, size, out_data, samples, 0);
+ }
+ gst_buffer_unmap (buf, data, size);
+ gst_buffer_unmap (outbuf, out_data, out_size);
+
if (n < 0) {
GST_ELEMENT_ERROR (dec, STREAM, DECODE, ("Decoding error: %d", n), (NULL));
return GST_FLOW_ERROR;
}
GST_DEBUG_OBJECT (dec, "decoded %d samples", n);
-- GST_BUFFER_SIZE (outbuf) = n * 2 * dec->n_channels;
++ gst_buffer_set_size (outbuf, n * 2 * dec->n_channels);
/* Skip any samples that need skipping */
if (dec->pre_skip > 0) {
guint scaled_pre_skip = dec->pre_skip * dec->sample_rate / 48000;
guint skip = scaled_pre_skip > n ? n : scaled_pre_skip;
guint scaled_skip = skip * 48000 / dec->sample_rate;
-- GST_BUFFER_SIZE (outbuf) -= skip * 2 * dec->n_channels;
-- GST_BUFFER_DATA (outbuf) += skip * 2 * dec->n_channels;
++
++ gst_buffer_resize (outbuf, skip * 2 * dec->n_channels, -1);
dec->pre_skip -= scaled_skip;
GST_INFO_OBJECT (dec,
"Skipping %u samples (%u at 48000 Hz, %u left to skip)", skip,
scaled_skip, dec->pre_skip);
-- if (GST_BUFFER_SIZE (outbuf) == 0) {
++ if (gst_buffer_get_size (outbuf) == 0) {
gst_buffer_unref (outbuf);
outbuf = NULL;
}
}
- unsigned int i, nsamples = GST_BUFFER_SIZE (outbuf) / 2;
+ /* Apply gain */
+ /* Would be better off leaving this to a volume element, as this is
+ a naive conversion that does too many int/float conversions.
+ However, we don't have control over the pipeline...
+ So make it optional if the user program wants to use a volume,
+ but do it by default so the correct volume goes out by default */
+ if (dec->apply_gain && outbuf && dec->r128_gain) {
- gint16 *samples = (gint16 *) GST_BUFFER_DATA (outbuf);
++ gsize rsize;
++ unsigned int i, nsamples;
+ double volume = dec->r128_gain_volume;
++ gint16 *samples =
++ (gint16 *) gst_buffer_map (outbuf, &rsize, NULL, GST_MAP_READWRITE);
++
+ GST_DEBUG_OBJECT (dec, "Applying gain: volume %f", volume);
++ nsamples = rsize / 2;
+ for (i = 0; i < nsamples; ++i) {
+ int sample = (int) (samples[i] * volume + 0.5);
+ samples[i] = sample < -32768 ? -32768 : sample > 32767 ? 32767 : sample;
+ }
++ gst_buffer_unmap (outbuf, samples, rsize);
+ }
+
res = gst_audio_decoder_finish_frame (GST_AUDIO_DECODER (dec), outbuf, 1);
if (res != GST_FLOW_OK)
static GstFlowReturn gst_opus_enc_encode (GstOpusEnc * enc, GstBuffer * buffer);
- static GstFlowReturn gst_opus_enc_encode (GstOpusEnc * enc, GstBuffer * buf);
- static gint64 gst_opus_enc_get_latency (GstOpusEnc * enc);
-static void
-gst_opus_enc_setup_interfaces (GType opusenc_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 (opusenc_type, GST_TYPE_TAG_SETTER,
- &tag_setter_info);
- g_type_add_interface_static (opusenc_type, GST_TYPE_PRESET,
- &preset_interface_info);
-
- GST_DEBUG_CATEGORY_INIT (opusenc_debug, "opusenc", 0, "Opus encoder");
-}
-
-GST_BOILERPLATE_FULL (GstOpusEnc, gst_opus_enc, GstAudioEncoder,
- GST_TYPE_AUDIO_ENCODER, gst_opus_enc_setup_interfaces);
-
-static void
-gst_opus_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, "Opus audio encoder",
- "Codec/Encoder/Audio",
- "Encodes audio in Opus format",
- "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
-}
+#define gst_opus_enc_parent_class parent_class
+G_DEFINE_TYPE_WITH_CODE (GstOpusEnc, gst_opus_enc, GST_TYPE_AUDIO_ENCODER,
+ G_IMPLEMENT_INTERFACE (GST_TYPE_TAG_SETTER, NULL);
+ G_IMPLEMENT_INTERFACE (GST_TYPE_PRESET, NULL));
static void
gst_opus_enc_class_init (GstOpusEncClass * klass)
gobject_class->set_property = gst_opus_enc_set_property;
gobject_class->get_property = gst_opus_enc_get_property;
- gst_element_class_add_pad_template (element_class,
++ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&src_factory));
- gst_element_class_add_pad_template (element_class,
++ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&sink_factory));
- gst_element_class_set_details_simple (element_class, "Opus audio encoder",
++ gst_element_class_set_details_simple (gstelement_class, "Opus audio encoder",
+ "Codec/Encoder/Audio",
+ "Encodes audio in Opus format",
+ "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
+
base_class->start = GST_DEBUG_FUNCPTR (gst_opus_enc_start);
base_class->stop = GST_DEBUG_FUNCPTR (gst_opus_enc_stop);
base_class->set_format = GST_DEBUG_FUNCPTR (gst_opus_enc_set_format);
}
static void
--gst_opus_enc_init (GstOpusEnc * enc, GstOpusEncClass * klass)
++gst_opus_enc_init (GstOpusEnc * enc)
{
GstAudioEncoder *benc = GST_AUDIO_ENCODER (enc);
GstOpusEnc *enc = GST_OPUS_ENC (benc);
GST_DEBUG_OBJECT (enc, "start");
-- enc->tags = gst_tag_list_new ();
++ enc->tags = gst_tag_list_new_empty ();
enc->header_sent = FALSE;
return TRUE;
static GstFlowReturn
gst_opus_enc_encode (GstOpusEnc * enc, GstBuffer * buf)
{
-- guint8 *bdata, *data, *mdata = NULL;
++ guint8 *bdata = NULL, *data, *mdata = NULL;
gsize bsize, size;
- gsize bytes;
+ gsize bytes = enc->frame_samples * enc->n_channels * 2;
gint ret = GST_FLOW_OK;
g_mutex_lock (enc->property_lock);
goto done;
}
-
while (size) {
- gint outsize;
+ gint encoded_size;
+ unsigned char *out_data;
+ gsize out_size;
GstBuffer *outbuf;
- outbuf = gst_buffer_new_and_alloc (enc->max_payload_size);
- ret = gst_pad_alloc_buffer_and_set_caps (GST_AUDIO_ENCODER_SRC_PAD (enc),
- GST_BUFFER_OFFSET_NONE, enc->max_payload_size * enc->n_channels,
- GST_PAD_CAPS (GST_AUDIO_ENCODER_SRC_PAD (enc)), &outbuf);
-
- if (GST_FLOW_OK != ret)
++ outbuf = gst_buffer_new_and_alloc (enc->max_payload_size * enc->n_channels);
+ if (!outbuf)
goto done;
GST_DEBUG_OBJECT (enc, "encoding %d samples (%d bytes)",
- enc->frame_samples);
+ enc->frame_samples, (int) bytes);
- outsize =
+ out_data = gst_buffer_map (outbuf, &out_size, NULL, GST_MAP_WRITE);
+ encoded_size =
- opus_encode (enc->state, (const gint16 *) data, enc->frame_samples,
- out_data, enc->max_payload_size);
+ opus_multistream_encode (enc->state, (const gint16 *) data,
- enc->frame_samples, GST_BUFFER_DATA (outbuf),
- enc->max_payload_size * enc->n_channels);
++ enc->frame_samples, out_data, enc->max_payload_size * enc->n_channels);
+ gst_buffer_unmap (outbuf, out_data, out_size);
- if (outsize < 0) {
- GST_ERROR_OBJECT (enc, "Encoding failed: %d", outsize);
+ if (encoded_size < 0) {
+ GST_ERROR_OBJECT (enc, "Encoding failed: %d", encoded_size);
ret = GST_FLOW_ERROR;
goto done;
- } else if (outsize > enc->max_payload_size) {
+ } else if (encoded_size > enc->max_payload_size) {
GST_WARNING_OBJECT (enc,
"Encoded size %d is higher than max payload size (%d bytes)",
-- outsize, enc->max_payload_size);
++ out_size, enc->max_payload_size);
ret = GST_FLOW_ERROR;
goto done;
}
- GST_DEBUG_OBJECT (enc, "Output packet is %u bytes", outsize);
-- GST_BUFFER_SIZE (outbuf) = outsize;
++ GST_DEBUG_OBJECT (enc, "Output packet is %u bytes", encoded_size);
++ gst_buffer_set_size (outbuf, encoded_size);
ret =
gst_audio_encoder_finish_frame (GST_AUDIO_ENCODER (enc), outbuf,
}
GST_DEBUG_OBJECT (enc, "received buffer %p of %u bytes", buf,
-- buf ? GST_BUFFER_SIZE (buf) : 0);
++ buf ? gst_buffer_get_size (buf) : 0);
ret = gst_opus_enc_encode (enc, buf);
if (tags == NULL) {
/* FIXME: better fix chain of callers to not write metadata at all,
* if there is none */
-- empty_tags = gst_tag_list_new ();
++ empty_tags = gst_tag_list_new_empty ();
tags = empty_tags;
}
comments =
gboolean
gst_opus_header_is_header (GstBuffer * buf, const char *magic, guint magic_size)
{
-- return (GST_BUFFER_SIZE (buf) >= magic_size
-- && !memcmp (magic, GST_BUFFER_DATA (buf), magic_size));
++ return (gst_buffer_get_size (buf) >= magic_size
++ && !gst_buffer_memcmp (buf, 0, magic, magic_size));
+ }
+
+ gboolean
+ gst_opus_header_is_id_header (GstBuffer * buf)
+ {
- gsize size = GST_BUFFER_SIZE (buf);
- const guint8 *data = GST_BUFFER_DATA (buf);
++ gsize size = gst_buffer_get_size (buf);
++ guint8 *data = NULL;
+ guint8 channels, channel_mapping_family, n_streams, n_stereo_streams;
++ gboolean ret = FALSE;
+
+ if (size < 19)
- return FALSE;
++ goto beach;
+ if (!gst_opus_header_is_header (buf, "OpusHead", 8))
- return FALSE;
++ goto beach;
++
++ data = gst_buffer_map (buf, &size, NULL, GST_MAP_READ);
++
+ channels = data[9];
++
+ if (channels == 0)
- return FALSE;
++ goto beach;
++
+ channel_mapping_family = data[18];
++
+ if (channel_mapping_family == 0) {
+ if (channels > 2)
- return FALSE;
++ goto beach;
+ } else {
+ channels = data[9];
+ if (size < 21 + channels)
- return FALSE;
++ goto beach;
+ n_streams = data[19];
+ n_stereo_streams = data[20];
+ if (n_streams == 0)
- return FALSE;
++ goto beach;
+ if (n_stereo_streams > n_streams)
- return FALSE;
++ goto beach;
+ if (n_streams + n_stereo_streams > 255)
- return FALSE;
++ goto beach;
+ }
- return TRUE;
++ ret = TRUE;
++
++beach:
++ if (data)
++ gst_buffer_unmap (buf, data, size);
++ return ret;
+ }
+
+ gboolean
+ gst_opus_header_is_comment_header (GstBuffer * buf)
+ {
+ return gst_opus_header_is_header (buf, "OpusTags", 8);
}
gst_opus_parse_start (GstBaseParse * base)
{
GstOpusParse *parse = GST_OPUS_PARSE (base);
++ GstCaps *caps;
+
+ caps = gst_caps_new_empty_simple ("audio/x-opus");
+ gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (GST_BASE_PARSE (parse)), caps);
+ gst_caps_unref (caps);
parse->header_sent = FALSE;
parse->next_ts = 0;
{
guint64 duration;
GstOpusParse *parse;
+ gboolean is_idheader, is_commentheader;
++ guint8 *data;
++ gsize size;
parse = GST_OPUS_PARSE (base);
- if (gst_opus_header_is_header (frame->buffer, "OpusHead", 8)
- || gst_opus_header_is_header (frame->buffer, "OpusTags", 8)) {
- GST_BUFFER_TIMESTAMP (frame->buffer) = 0;
- GST_BUFFER_DURATION (frame->buffer) = GST_CLOCK_TIME_NONE;
- GST_BUFFER_OFFSET_END (frame->buffer) = GST_CLOCK_TIME_NONE;
- GST_BUFFER_OFFSET (frame->buffer) = GST_CLOCK_TIME_NONE;
- return GST_FLOW_OK;
+ is_idheader = gst_opus_header_is_id_header (frame->buffer);
+ is_commentheader = gst_opus_header_is_comment_header (frame->buffer);
+
+ if (!parse->header_sent) {
+ GstCaps *caps;
+ guint8 channels, channel_mapping_family, channel_mapping[256];
- const guint8 *data = GST_BUFFER_DATA (frame->buffer);
++
++ data = gst_buffer_map (frame->buffer, &size, NULL, GST_MAP_READ);
++
++ /* FIXME : Check available size ? */
+
+ /* Opus streams can decode to 1 or 2 channels, so use the header
+ value if we have one, or 2 otherwise */
+ if (is_idheader) {
+ channels = data[9];
+ channel_mapping_family = data[18];
+ /* header probing will already have done the size check */
- memcpy (channel_mapping, GST_BUFFER_DATA (frame->buffer) + 21, channels);
++ memcpy (channel_mapping, data + 21, channels);
++ gst_buffer_unmap (frame->buffer, data, size);
+ gst_buffer_replace (&parse->id_header, frame->buffer);
+ GST_DEBUG_OBJECT (parse, "Found ID header, keeping");
+ return GST_BASE_PARSE_FLOW_DROPPED;
+ } else if (is_commentheader) {
++ gst_buffer_unmap (frame->buffer, data, size);
+ gst_buffer_replace (&parse->comment_header, frame->buffer);
+ GST_DEBUG_OBJECT (parse, "Found comment header, keeping");
+ return GST_BASE_PARSE_FLOW_DROPPED;
+ }
++ gst_buffer_unmap (frame->buffer, data, size);
+
+ g_slist_foreach (parse->headers, (GFunc) gst_buffer_unref, NULL);
+ parse->headers = NULL;
+
+ if (parse->id_header && parse->comment_header) {
+ gst_opus_header_create_caps_from_headers (&caps, &parse->headers,
+ parse->id_header, parse->comment_header);
+ } else {
+ GST_INFO_OBJECT (parse,
+ "No headers, blindly setting up canonical stereo");
+ channels = 2;
+ channel_mapping_family = 0;
+ channel_mapping[0] = 0;
+ channel_mapping[1] = 1;
+ gst_opus_header_create_caps (&caps, &parse->headers, channels, 0,
+ channel_mapping_family, channel_mapping, NULL);
+ }
+
+ gst_buffer_replace (&parse->id_header, NULL);
+ gst_buffer_replace (&parse->comment_header, NULL);
+
+ gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (parse), caps);
+ parse->header_sent = TRUE;
}
GST_BUFFER_TIMESTAMP (frame->buffer) = parse->next_ts;
-- duration =
-- packet_duration_opus (GST_BUFFER_DATA (frame->buffer),
-- GST_BUFFER_SIZE (frame->buffer));
++ data = gst_buffer_map (frame->buffer, &size, NULL, GST_MAP_READ);
++ duration = packet_duration_opus (data, size);
++ gst_buffer_unmap (frame->buffer, data, size);
parse->next_ts += duration;
GST_BUFFER_DURATION (frame->buffer) = duration;
GstBuffer * audio, GstBuffer * video);
-GST_BOILERPLATE (GstSpaceScope, gst_space_scope, GstBaseAudioVisualizer,
- GST_TYPE_BASE_AUDIO_VISUALIZER);
+G_DEFINE_TYPE (GstSpaceScope, gst_space_scope, GST_TYPE_BASE_AUDIO_VISUALIZER);
static void
-gst_space_scope_base_init (gpointer g_class)
+gst_space_scope_class_init (GstSpaceScopeClass * g_class)
{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
++ GObjectClass *gobject_class = (GObjectClass *) g_class;
+ GstElementClass *element_class = (GstElementClass *) g_class;
+ GstBaseAudioVisualizerClass *scope_class =
+ (GstBaseAudioVisualizerClass *) g_class;
gst_element_class_set_details_simple (element_class, "Stereo visualizer",
"Visualization",
gst_static_pad_template_get (&gst_space_scope_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_space_scope_sink_template));
-}
-
-static void
-gst_space_scope_class_init (GstSpaceScopeClass * g_class)
-{
- GObjectClass *gobject_class = (GObjectClass *) g_class;
- GstBaseAudioVisualizerClass *scope_class =
- (GstBaseAudioVisualizerClass *) g_class;
+ gobject_class->set_property = gst_space_scope_set_property;
+ gobject_class->get_property = gst_space_scope_get_property;
+
scope_class->render = GST_DEBUG_FUNCPTR (gst_space_scope_render);
+
+ g_object_class_install_property (gobject_class, PROP_STYLE,
+ g_param_spec_enum ("style", "drawing style",
+ "Drawing styles for the space scope display.",
+ GST_TYPE_SPACE_SCOPE_STYLE, STYLE_DOTS,
+ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
for (i = 0; i < num_samples; i++) {
x = (guint) (ox + (gfloat) adata[s++] * dx);
y = (guint) (oy + (gfloat) adata[s++] * dy);
- off = (y * w) + x;
- vdata[off] = 0x00FFFFFF;
+ draw_dot (vdata, x, y, w, 0x00FFFFFF);
+ }
+ }
+
+ static void
+ render_lines (GstBaseAudioVisualizer * scope, guint32 * vdata, gint16 * adata,
+ guint num_samples)
+ {
+ guint i, s, x, y, ox, oy;
+ gfloat dx, dy;
+ guint w = scope->width;
+ guint h = scope->height;
+ gint x2, y2;
+
+ /* draw lines 1st channel x, 2nd channel y */
+ dx = (w - 1) / 65536.0;
+ ox = (w - 1) / 2;
+ dy = (h - 1) / 65536.0;
+ oy = (h - 1) / 2;
+ s = 0;
+ x2 = (guint) (ox + (gfloat) adata[s++] * dx);
+ y2 = (guint) (oy + (gfloat) adata[s++] * dy);
+ for (i = 1; i < num_samples; i++) {
+ x = (guint) (ox + (gfloat) adata[s++] * dx);
+ y = (guint) (oy + (gfloat) adata[s++] * dy);
+ draw_line_aa (vdata, x2, x, y2, y, w, 0x00FFFFFF);
+ x2 = x;
+ y2 = y;
}
- guint32 *vdata = (guint32 *) GST_BUFFER_DATA (video);
- gint16 *adata = (gint16 *) GST_BUFFER_DATA (audio);
+ }
+
+ static gboolean
+ gst_space_scope_render (GstBaseAudioVisualizer * base, GstBuffer * audio,
+ GstBuffer * video)
+ {
+ GstSpaceScope *scope = GST_SPACE_SCOPE (base);
- num_samples = GST_BUFFER_SIZE (audio) / (base->channels * sizeof (gint16));
++ gsize asize;
++ guint32 *vdata =
++ (guint32 *) gst_buffer_map (video, NULL, NULL, GST_MAP_WRITE);
++ gint16 *adata = (gint16 *) gst_buffer_map (audio, &asize, NULL, GST_MAP_READ);
+ guint num_samples;
+
++ num_samples = asize / (base->channels * sizeof (gint16));
+ scope->process (base, vdata, adata, num_samples);
+ gst_buffer_unmap (video, vdata, -1);
+ gst_buffer_unmap (audio, adata, -1);
return TRUE;
}
static GstFlowReturn gst_mpeg4vparse_pre_push_frame (GstBaseParse * parse,
GstBaseParseFrame * frame);
static gboolean gst_mpeg4vparse_set_caps (GstBaseParse * parse, GstCaps * caps);
-static GstCaps *gst_mpeg4vparse_get_caps (GstBaseParse * parse);
++static GstCaps *gst_mpeg4vparse_get_caps (GstBaseParse * parse,
++ GstCaps * filter);
static void gst_mpeg4vparse_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
return TRUE;
}
-gst_mpeg4vparse_get_caps (GstBaseParse * parse)
+ static GstCaps *
++gst_mpeg4vparse_get_caps (GstBaseParse * parse, GstCaps * filter)
+ {
+ GstCaps *peercaps;
+ GstCaps *res;
+
+ peercaps = gst_pad_get_allowed_caps (GST_BASE_PARSE_SRC_PAD (parse));
+ if (peercaps) {
+ guint i, n;
+
+ /* Remove the parsed field */
+ peercaps = gst_caps_make_writable (peercaps);
+ n = gst_caps_get_size (peercaps);
+ for (i = 0; i < n; i++) {
+ GstStructure *s = gst_caps_get_structure (peercaps, i);
+
+ gst_structure_remove_field (s, "parsed");
+ }
+
+ res =
+ gst_caps_intersect_full (peercaps,
+ gst_pad_get_pad_template_caps (GST_BASE_PARSE_SRC_PAD (parse)),
+ GST_CAPS_INTERSECT_FIRST);
+ gst_caps_unref (peercaps);
+ } else {
+ res =
+ gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD
+ (parse)));
+ }
+
+ return res;
+ }
+
static gboolean
plugin_init (GstPlugin * plugin)
{
static gboolean gst_dirac_parse_stop (GstBaseParse * parse);
static gboolean gst_dirac_parse_set_sink_caps (GstBaseParse * parse,
GstCaps * caps);
-static GstCaps *gst_dirac_parse_get_sink_caps (GstBaseParse * parse);
++static GstCaps *gst_dirac_parse_get_sink_caps (GstBaseParse * parse,
++ GstCaps * filter);
static gboolean gst_dirac_parse_check_valid_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, guint * framesize, gint * skipsize);
static GstFlowReturn gst_dirac_parse_parse_frame (GstBaseParse * parse,
return GST_FLOW_OK;
}
-gst_dirac_parse_get_sink_caps (GstBaseParse * parse)
+
+ static GstCaps *
++gst_dirac_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
+ {
+ GstCaps *peercaps;
+ GstCaps *res;
+
+ peercaps = gst_pad_get_allowed_caps (GST_BASE_PARSE_SRC_PAD (parse));
+ if (peercaps) {
+ guint i, n;
+
+ /* Remove the parsed field */
+ peercaps = gst_caps_make_writable (peercaps);
+ n = gst_caps_get_size (peercaps);
+ for (i = 0; i < n; i++) {
+ GstStructure *s = gst_caps_get_structure (peercaps, i);
+ gst_structure_remove_field (s, "parsed");
+ }
+
+ res =
+ gst_caps_intersect_full (peercaps,
+ gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse)),
+ GST_CAPS_INTERSECT_FIRST);
+ gst_caps_unref (peercaps);
+ } else {
+ res =
+ gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD
+ (parse)));
+ }
+
+ return res;
+ }
GstBaseParseFrame * frame, guint * framesize, gint * skipsize);
static GstFlowReturn gst_h263_parse_parse_frame (GstBaseParse * parse,
GstBaseParseFrame * frame);
-static GstCaps *gst_h263_parse_get_sink_caps (GstBaseParse * parse);
++static GstCaps *gst_h263_parse_get_sink_caps (GstBaseParse * parse,
++ GstCaps * filter);
static void
-gst_h263_parse_base_init (gpointer g_class)
+gst_h263_parse_class_init (GstH263ParseClass * klass)
{
- GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+ GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
+ GstBaseParseClass *parse_class = GST_BASE_PARSE_CLASS (klass);
+
+ GST_DEBUG_CATEGORY_INIT (h263_parse_debug, "h263parse", 0, "h263 parser");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&srctemplate));
return res;
}
-gst_h263_parse_get_sink_caps (GstBaseParse * parse)
+
+ static GstCaps *
++gst_h263_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
+ {
+ GstCaps *peercaps;
+ GstCaps *res;
+
+ peercaps = gst_pad_get_allowed_caps (GST_BASE_PARSE_SRC_PAD (parse));
+ if (peercaps) {
+ guint i, n;
+
+ /* Remove parsed field */
+ peercaps = gst_caps_make_writable (peercaps);
+ n = gst_caps_get_size (peercaps);
+ for (i = 0; i < n; i++) {
+ GstStructure *s = gst_caps_get_structure (peercaps, i);
+ gst_structure_remove_field (s, "parsed");
+ }
+
+ res =
+ gst_caps_intersect_full (peercaps,
+ gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse)),
+ GST_CAPS_INTERSECT_FIRST);
+ gst_caps_unref (peercaps);
+ } else {
+ res =
+ gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD
+ (parse)));
+ }
+
+ return res;
+ }
static GstFlowReturn gst_mpegv_parse_parse_frame (GstBaseParse * parse,
GstBaseParseFrame * frame);
static gboolean gst_mpegv_parse_set_caps (GstBaseParse * parse, GstCaps * caps);
-static GstCaps *gst_mpegv_parse_get_caps (GstBaseParse * parse);
++static GstCaps *gst_mpegv_parse_get_caps (GstBaseParse * parse,
++ GstCaps * filter);
static GstFlowReturn gst_mpegv_parse_pre_push_frame (GstBaseParse * parse,
GstBaseParseFrame * frame);
/* let's not interfere and accept regardless of config parsing success */
return TRUE;
}
-gst_mpegv_parse_get_caps (GstBaseParse * parse)
+
+ static GstCaps *
++gst_mpegv_parse_get_caps (GstBaseParse * parse, GstCaps * filter)
+ {
+ GstCaps *peercaps;
+ GstCaps *res;
+
+ peercaps = gst_pad_get_allowed_caps (GST_BASE_PARSE_SRC_PAD (parse));
+ if (peercaps) {
+ guint i, n;
+
+ /* Remove the parsed field */
+ peercaps = gst_caps_make_writable (peercaps);
+ n = gst_caps_get_size (peercaps);
+ for (i = 0; i < n; i++) {
+ GstStructure *s = gst_caps_get_structure (peercaps, i);
+ gst_structure_remove_field (s, "parsed");
+ }
+
+ res =
+ gst_caps_intersect_full (peercaps,
+ gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse)),
+ GST_CAPS_INTERSECT_FIRST);
+ gst_caps_unref (peercaps);
+ } else {
+ res =
+ gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD
+ (parse)));
+ }
+
+ return res;
+ }
ACM_DIR=
endif
-if USE_VDPAU
-VDPAU_DIR=vdpau
-else
-VDPAU_DIR=
-endif
+#if USE_VDPAU
+#VDPAU_DIR=vdpau
+#else
+#VDPAU_DIR=
+#endif
+
if USE_SHM
SHM_DIR=shm
else