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Added Lots of properties

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Original commit message from CVS:
Added Lots of properties
More cleanups
This commit is contained in:
Wim Taymans 2002-09-15 22:26:33 +00:00
parent b218e76cd9
commit dd1f152724
2 changed files with 389 additions and 71 deletions
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457
ext/flac/gstflacenc.c
View file

@ -43,28 +43,45 @@ enum {
enum {
ARG_0,
ARG_QUALITY,
ARG_STREAMABLE_SUBSET,
ARG_MID_SIDE_STEREO,
ARG_LOOSE_MID_SIDE_STEREO,
ARG_BLOCKSIZE,
ARG_MAX_LPC_ORDER,
ARG_QLP_COEFF_PRECISION,
ARG_QLP_COEFF_PREC_SEARCH,
ARG_ESCAPE_CODING,
ARG_EXHAUSTIVE_MODEL_SEARCH,
ARG_MIN_RESIDUAL_PARTITION_ORDER,
ARG_MAX_RESIDUAL_PARTITION_ORDER,
ARG_RICE_PARAMETER_SEARCH_DIST,
};
static void gst_flacenc_init (FlacEnc *flacenc);
static void gst_flacenc_class_init (FlacEncClass *klass);
static void gst_flacenc_init (FlacEnc *flacenc);
static void gst_flacenc_class_init (FlacEncClass *klass);
static void gst_flacenc_dispose (GObject *object);
static void gst_flacenc_chain (GstPad *pad, GstBuffer *buf);
static GstPadConnectReturn
gst_flacenc_sinkconnect (GstPad *pad, GstCaps *caps);
static void gst_flacenc_chain (GstPad *pad, GstBuffer *buf);
static void gst_flacenc_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec);
static void gst_flacenc_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec);
static gboolean gst_flacenc_update_quality (FlacEnc *flacenc, gint quality);
static void gst_flacenc_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec);
static void gst_flacenc_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec);
static GstElementStateReturn
gst_flacenc_change_state (GstElement *element);
gst_flacenc_change_state (GstElement *element);
static FLAC__StreamEncoderWriteStatus
gst_flacenc_write_callback (const FLAC__StreamEncoder *encoder,
const FLAC__byte buffer[], unsigned bytes,
unsigned samples, unsigned current_frame,
void *client_data);
static void gst_flacenc_metadata_callback (const FLAC__StreamEncoder *encoder,
const FLAC__StreamMetadata *metadata,
void *client_data);
gst_flacenc_write_callback (const FLAC__StreamEncoder *encoder,
const FLAC__byte buffer[], unsigned bytes,
unsigned samples, unsigned current_frame,
void *client_data);
static void gst_flacenc_metadata_callback (const FLAC__StreamEncoder *encoder,
const FLAC__StreamMetadata *metadata,
void *client_data);
static GstElementClass *parent_class = NULL;
/*static guint gst_flacenc_signals[LAST_SIGNAL] = { 0 }; */
@ -91,6 +108,60 @@ flacenc_get_type (void)
return flacenc_type;
}
typedef struct {
gboolean exhaustive_model_search;
gboolean escape_coding;
gboolean mid_side;
gboolean loose_mid_side;
guint qlp_coeff_precision;
gboolean qlp_coeff_prec_search;
guint min_residual_partition_order;
guint max_residual_partition_order;
guint rice_parameter_search_dist;
guint max_lpc_order;
guint blocksize;
} FlacEncParams;
static const FlacEncParams flacenc_params[] =
{
{ FALSE, FALSE, FALSE, FALSE, 0, FALSE, 2, 2, 0, 0, 1152 },
{ FALSE, FALSE, TRUE, TRUE, 0, FALSE, 2, 2, 0, 0, 1152 },
{ FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 3, 0, 0, 1152 },
{ FALSE, FALSE, FALSE, FALSE, 0, FALSE, 3, 3, 0, 6, 4608 },
{ FALSE, FALSE, TRUE, TRUE, 0, FALSE, 3, 3, 0, 8, 4608 },
{ FALSE, FALSE, TRUE, FALSE, 0, FALSE, 3, 3, 0, 8, 4608 },
{ FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 4, 0, 8, 4608 },
{ TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 8, 4608 },
{ TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 12, 4608 },
{ TRUE, TRUE, TRUE, FALSE, 0, FALSE, 0, 16, 0, 32, 4608 },
};
#define DEFAULT_QUALITY 5
#define GST_TYPE_FLACENC_QUALITY (gst_flacenc_quality_get_type ())
GType
gst_flacenc_quality_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{ 0, "0", "0 - Fastest compression" },
{ 1, "1", "1" },
{ 2, "2", "2" },
{ 3, "3", "3" },
{ 4, "4", "4" },
{ 5, "5", "5 - Default" },
{ 6, "6", "6" },
{ 7, "7", "7" },
{ 8, "8", "8 - Highest compression " },
{ 9, "9", "9 - Insane" },
{ 0, NULL, NULL }
};
qtype = g_enum_register_static ("FlacEncQuality", values);
}
return qtype;
}
static void
gst_flacenc_class_init (FlacEncClass *klass)
{
@ -105,10 +176,125 @@ gst_flacenc_class_init (FlacEncClass *klass)
/* we have no properties atm so this is a bit silly */
gobject_class->set_property = gst_flacenc_set_property;
gobject_class->get_property = gst_flacenc_get_property;
gobject_class->dispose = gst_flacenc_dispose;
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY,
g_param_spec_enum ("quality",
"Quality",
"Speed versus compression tradeoff",
GST_TYPE_FLACENC_QUALITY, DEFAULT_QUALITY, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_STREAMABLE_SUBSET,
g_param_spec_boolean ("streamable_subset",
"Streamable subset",
"true to limit encoder to generating a Subset stream, else false",
TRUE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MID_SIDE_STEREO,
g_param_spec_boolean ("mid_side_stereo",
"Do mid side stereo",
"Do mid side stereo (only for stereo input)",
flacenc_params[DEFAULT_QUALITY].mid_side, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOOSE_MID_SIDE_STEREO,
g_param_spec_boolean ("loose_mid_side_stereo",
"Loose mid side stereo",
"Loose mid side stereo",
flacenc_params[DEFAULT_QUALITY].loose_mid_side, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLOCKSIZE,
g_param_spec_uint ("blocksize",
"Blocksize",
"Blocksize in samples",
FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
flacenc_params[DEFAULT_QUALITY].blocksize, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_LPC_ORDER,
g_param_spec_uint ("max_lpc_order",
"Max LPC order",
"Max LPC order; 0 => use only fixed predictors",
0, FLAC__MAX_LPC_ORDER,
flacenc_params[DEFAULT_QUALITY].max_lpc_order, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QLP_COEFF_PRECISION,
g_param_spec_uint ("qlp_coeff_precision",
"QLP coefficients precision",
"Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
0, 32,
flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QLP_COEFF_PREC_SEARCH,
g_param_spec_boolean ("qlp_coeff_prec_search",
"Do QLP coefficients precision search",
"false = use qlp_coeff_precision, "
"true = search around qlp_coeff_precision, take best",
flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ESCAPE_CODING,
g_param_spec_boolean ("escape_coding",
"Do Escape coding",
"search for escape codes in the entropy coding stage "
"for slightly better compression",
flacenc_params[DEFAULT_QUALITY].escape_coding, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_EXHAUSTIVE_MODEL_SEARCH,
g_param_spec_boolean ("exhaustive_model_search",
"Do exhaustive model search",
"do exhaustive search of LP coefficient quantization (expensive!)",
flacenc_params[DEFAULT_QUALITY].exhaustive_model_search, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MIN_RESIDUAL_PARTITION_ORDER,
g_param_spec_uint ("min_residual_partition_order",
"Min residual partition order",
"Min residual partition order (above 4 doesn't usually help much)",
0, 16,
flacenc_params[DEFAULT_QUALITY].min_residual_partition_order, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_RESIDUAL_PARTITION_ORDER,
g_param_spec_uint ("max_residual_partition_order",
"Max residual partition order",
"Max residual partition order (above 4 doesn't usually help much)",
0, 16,
flacenc_params[DEFAULT_QUALITY].max_residual_partition_order, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_RICE_PARAMETER_SEARCH_DIST,
g_param_spec_uint ("rice_parameter_search_dist",
"rice_parameter_search_dist",
"0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
"parameters, use best",
0, FLAC__MAX_RICE_PARTITION_ORDER,
flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist, G_PARAM_READWRITE));
gstelement_class->change_state = gst_flacenc_change_state;
}
static void
gst_flacenc_init (FlacEnc *flacenc)
{
flacenc->sinkpad = gst_pad_new_from_template (gst_flacenc_sink_template, "sink");
gst_element_add_pad(GST_ELEMENT(flacenc),flacenc->sinkpad);
gst_pad_set_chain_function(flacenc->sinkpad,gst_flacenc_chain);
gst_pad_set_connect_function (flacenc->sinkpad, gst_flacenc_sinkconnect);
flacenc->srcpad = gst_pad_new_from_template (gst_flacenc_src_template, "src");
gst_element_add_pad(GST_ELEMENT(flacenc),flacenc->srcpad);
GST_FLAG_SET (flacenc, GST_ELEMENT_EVENT_AWARE);
flacenc->encoder = FLAC__stream_encoder_new();
FLAC__stream_encoder_set_write_callback (flacenc->encoder,
gst_flacenc_write_callback);
FLAC__stream_encoder_set_metadata_callback (flacenc->encoder,
gst_flacenc_metadata_callback);
FLAC__stream_encoder_set_client_data (flacenc->encoder,
flacenc);
flacenc->negotiated = FALSE;
flacenc->first = TRUE;
flacenc->first_buf = NULL;
flacenc->data = NULL;
gst_flacenc_update_quality (flacenc, DEFAULT_QUALITY);
}
static void
gst_flacenc_dispose (GObject *object)
{
FlacEnc *flacenc = GST_FLACENC (object);
FLAC__stream_encoder_delete (flacenc->encoder);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static GstPadConnectReturn
gst_flacenc_sinkconnect (GstPad *pad, GstCaps *caps)
{
@ -135,31 +321,40 @@ gst_flacenc_sinkconnect (GstPad *pad, GstCaps *caps)
return GST_PAD_CONNECT_OK;
}
static void
gst_flacenc_init (FlacEnc *flacenc)
static gboolean
gst_flacenc_update_quality (FlacEnc *flacenc, gint quality)
{
flacenc->sinkpad = gst_pad_new_from_template (gst_flacenc_sink_template, "sink");
gst_element_add_pad(GST_ELEMENT(flacenc),flacenc->sinkpad);
gst_pad_set_chain_function(flacenc->sinkpad,gst_flacenc_chain);
gst_pad_set_connect_function (flacenc->sinkpad, gst_flacenc_sinkconnect);
flacenc->quality = quality;
flacenc->srcpad = gst_pad_new_from_template (gst_flacenc_src_template, "src");
gst_element_add_pad(GST_ELEMENT(flacenc),flacenc->srcpad);
#define DO_UPDATE(name, val, str) \
G_STMT_START{ \
if (FLAC__stream_encoder_get_##name (flacenc->encoder) != \
flacenc_params[quality].##val) { \
FLAC__stream_encoder_set_##name (flacenc->encoder, \
flacenc_params[quality].##val); \
g_object_notify (G_OBJECT (flacenc), str); \
}; \
} G_STMT_END
flacenc->first = TRUE;
flacenc->first_buf = NULL;
flacenc->encoder = FLAC__stream_encoder_new();
g_object_freeze_notify (G_OBJECT (flacenc));
FLAC__stream_encoder_set_write_callback (flacenc->encoder,
gst_flacenc_write_callback);
FLAC__stream_encoder_set_metadata_callback (flacenc->encoder,
gst_flacenc_metadata_callback);
FLAC__stream_encoder_set_client_data (flacenc->encoder,
flacenc);
DO_UPDATE (do_mid_side_stereo, mid_side, "mid_side_stereo");
DO_UPDATE (loose_mid_side_stereo, loose_mid_side, "loose_mid_side");
DO_UPDATE (blocksize, blocksize, "blocksize");
DO_UPDATE (max_lpc_order, max_lpc_order, "max_lpc_order");
DO_UPDATE (qlp_coeff_precision, qlp_coeff_precision, "qlp_coeff_precision");
DO_UPDATE (do_qlp_coeff_prec_search, qlp_coeff_prec_search, "qlp_coeff_prec_search");
DO_UPDATE (do_escape_coding, escape_coding, "escape_coding");
DO_UPDATE (do_exhaustive_model_search, exhaustive_model_search, "exhaustive_model_search");
DO_UPDATE (min_residual_partition_order, min_residual_partition_order, "min_residual_partition_order");
DO_UPDATE (max_residual_partition_order, max_residual_partition_order, "max_residual_partition_order");
DO_UPDATE (rice_parameter_search_dist, rice_parameter_search_dist, "rice_parameter_search_dist");
GST_FLAG_SET (flacenc, GST_ELEMENT_EVENT_AWARE);
#undef DO_UPDATE
flacenc->negotiated = FALSE;
g_object_thaw_notify (G_OBJECT (flacenc));
return TRUE;
}
static FLAC__StreamEncoderWriteStatus
@ -173,9 +368,10 @@ gst_flacenc_write_callback (const FLAC__StreamEncoder *encoder,
flacenc = GST_FLACENC (client_data);
outbuf = gst_buffer_new ();
GST_BUFFER_SIZE (outbuf) = bytes;
GST_BUFFER_DATA (outbuf) = g_malloc (bytes);
if (flacenc->stopped)
return FLAC__STREAM_ENCODER_WRITE_OK;
outbuf = gst_buffer_new_and_alloc (bytes);
memcpy (GST_BUFFER_DATA (outbuf), buffer, bytes);
@ -200,6 +396,9 @@ gst_flacenc_metadata_callback (const FLAC__StreamEncoder *encoder,
flacenc = GST_FLACENC (client_data);
if (flacenc->stopped)
return;
event = gst_event_new_discontinuous (FALSE, GST_FORMAT_BYTES, 0, NULL);
gst_pad_push (flacenc->srcpad, GST_BUFFER (event));
@ -240,14 +439,12 @@ static void
gst_flacenc_chain (GstPad *pad, GstBuffer *buf)
{
FlacEnc *flacenc;
gint32 *data[FLAC__MAX_CHANNELS];
FLAC__int32 *data;
gulong insize;
gint samples, channels, depth;
gulong i, j;
gboolean res;
gint samples, depth;
gulong i;
FLAC__bool res;
g_return_if_fail(pad != NULL);
g_return_if_fail(GST_IS_PAD(pad));
g_return_if_fail(buf != NULL);
flacenc = GST_FLACENC (gst_pad_get_parent (pad));
@ -271,11 +468,10 @@ gst_flacenc_chain (GstPad *pad, GstBuffer *buf)
return;
}
channels = flacenc->channels;
depth = flacenc->depth;
insize = GST_BUFFER_SIZE (buf);
samples = insize / channels / ((depth+7)>>3);
samples = insize / ((depth+7)>>3);
if (FLAC__stream_encoder_get_state (flacenc->encoder) ==
FLAC__STREAM_ENCODER_UNINITIALIZED)
@ -283,39 +479,44 @@ gst_flacenc_chain (GstPad *pad, GstBuffer *buf)
FLAC__StreamEncoderState state;
state = FLAC__stream_encoder_init (flacenc->encoder);
g_assert (state == FLAC__STREAM_ENCODER_OK);
if (state != FLAC__STREAM_ENCODER_OK) {
gst_element_error (GST_ELEMENT (flacenc),
"could not initialize encoder (wrong parameters?)");
return;
}
}
for (i=0; i<channels; i++) {
data[i] = g_malloc (samples * sizeof (gint32));
}
/* we keep a pointer in the flacenc struct because we are freeing the data
* after a push opreration that might never return */
data = flacenc->data = g_malloc (samples * sizeof (FLAC__int32));
if (depth == 8) {
gint8 *indata = (gint8 *) GST_BUFFER_DATA (buf);
for (j=0; j<samples; j++) {
for (i=0; i<channels; i++) {
data[i][j] = (gint32) *indata++;
}
for (i=0; i<samples; i++) {
data[i] = (FLAC__int32) *indata++;
}
}
else if (depth == 16) {
gint16 *indata = (gint16 *) GST_BUFFER_DATA (buf);
for (j=0; j<samples; j++) {
for (i=0; i<channels; i++) {
data[i][j] = (gint32) *indata++;
}
for (i=0; i<samples; i++) {
data[i] = (FLAC__int32) *indata++;
}
}
res = FLAC__stream_encoder_process (flacenc->encoder,
(const FLAC__int32 **)data, samples);
for (i=0; i<channels; i++) {
g_free (data[i]);
}
gst_buffer_unref(buf);
res = FLAC__stream_encoder_process_interleaved (flacenc->encoder,
(const FLAC__int32 *) data, samples / flacenc->channels);
g_free (flacenc->data);
flacenc->data = NULL;
if (!res) {
gst_element_error (GST_ELEMENT (flacenc),
"encoding error");
}
}
static void
@ -326,9 +527,60 @@ gst_flacenc_set_property (GObject *object, guint prop_id,
this = (FlacEnc *)object;
switch (prop_id) {
default:
GST_DEBUG(0, "Unknown arg %d", prop_id);
return;
case ARG_QUALITY:
gst_flacenc_update_quality (this, g_value_get_enum (value));
break;
case ARG_STREAMABLE_SUBSET:
FLAC__stream_encoder_set_streamable_subset (this->encoder,
g_value_get_boolean (value));
break;
case ARG_MID_SIDE_STEREO:
FLAC__stream_encoder_set_do_mid_side_stereo (this->encoder,
g_value_get_boolean (value));
break;
case ARG_LOOSE_MID_SIDE_STEREO:
FLAC__stream_encoder_set_loose_mid_side_stereo (this->encoder,
g_value_get_boolean (value));
break;
case ARG_BLOCKSIZE:
FLAC__stream_encoder_set_blocksize (this->encoder,
g_value_get_uint (value));
break;
case ARG_MAX_LPC_ORDER:
FLAC__stream_encoder_set_max_lpc_order (this->encoder,
g_value_get_uint (value));
break;
case ARG_QLP_COEFF_PRECISION:
FLAC__stream_encoder_set_qlp_coeff_precision (this->encoder,
g_value_get_uint (value));
break;
case ARG_QLP_COEFF_PREC_SEARCH:
FLAC__stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
g_value_get_boolean (value));
break;
case ARG_ESCAPE_CODING:
FLAC__stream_encoder_set_do_escape_coding (this->encoder,
g_value_get_boolean (value));
break;
case ARG_EXHAUSTIVE_MODEL_SEARCH:
FLAC__stream_encoder_set_do_exhaustive_model_search (this->encoder,
g_value_get_boolean (value));
break;
case ARG_MIN_RESIDUAL_PARTITION_ORDER:
FLAC__stream_encoder_set_min_residual_partition_order (this->encoder,
g_value_get_uint (value));
break;
case ARG_MAX_RESIDUAL_PARTITION_ORDER:
FLAC__stream_encoder_set_max_residual_partition_order (this->encoder,
g_value_get_uint (value));
break;
case ARG_RICE_PARAMETER_SEARCH_DIST:
FLAC__stream_encoder_set_rice_parameter_search_dist (this->encoder,
g_value_get_uint (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
return;
}
}
@ -341,9 +593,60 @@ gst_flacenc_get_property (GObject *object, guint prop_id,
this = (FlacEnc *)object;
switch (prop_id) {
default:
GST_DEBUG(0, "Unknown arg %d", prop_id);
break;
case ARG_QUALITY:
g_value_set_enum (value, this->quality);
break;
case ARG_STREAMABLE_SUBSET:
g_value_set_boolean (value,
FLAC__stream_encoder_get_streamable_subset (this->encoder));
break;
case ARG_MID_SIDE_STEREO:
g_value_set_boolean (value,
FLAC__stream_encoder_get_do_mid_side_stereo (this->encoder));
break;
case ARG_LOOSE_MID_SIDE_STEREO:
g_value_set_boolean (value,
FLAC__stream_encoder_get_loose_mid_side_stereo (this->encoder));
break;
case ARG_BLOCKSIZE:
g_value_set_uint (value,
FLAC__stream_encoder_get_blocksize (this->encoder));
break;
case ARG_MAX_LPC_ORDER:
g_value_set_uint (value,
FLAC__stream_encoder_get_max_lpc_order (this->encoder));
break;
case ARG_QLP_COEFF_PRECISION:
g_value_set_uint (value,
FLAC__stream_encoder_get_qlp_coeff_precision (this->encoder));
break;
case ARG_QLP_COEFF_PREC_SEARCH:
g_value_set_boolean (value,
FLAC__stream_encoder_get_do_qlp_coeff_prec_search (this->encoder));
break;
case ARG_ESCAPE_CODING:
g_value_set_boolean (value,
FLAC__stream_encoder_get_do_escape_coding (this->encoder));
break;
case ARG_EXHAUSTIVE_MODEL_SEARCH:
g_value_set_boolean (value,
FLAC__stream_encoder_get_do_exhaustive_model_search (this->encoder));
break;
case ARG_MIN_RESIDUAL_PARTITION_ORDER:
g_value_set_uint (value,
FLAC__stream_encoder_get_min_residual_partition_order (this->encoder));
break;
case ARG_MAX_RESIDUAL_PARTITION_ORDER:
g_value_set_uint (value,
FLAC__stream_encoder_get_max_residual_partition_order (this->encoder));
break;
case ARG_RICE_PARAMETER_SEARCH_DIST:
g_value_set_uint (value,
FLAC__stream_encoder_get_rice_parameter_search_dist (this->encoder));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
@ -355,12 +658,24 @@ gst_flacenc_change_state (GstElement *element)
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
case GST_STATE_READY_TO_PAUSED:
flacenc->first = TRUE;
flacenc->stopped = FALSE;
break;
case GST_STATE_PAUSED_TO_PLAYING:
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
if (FLAC__stream_encoder_get_state (flacenc->encoder) !=
FLAC__STREAM_ENCODER_UNINITIALIZED) {
flacenc->stopped = TRUE;
FLAC__stream_encoder_finish (flacenc->encoder);
}
flacenc->negotiated = FALSE;
if (flacenc->first_buf)
gst_buffer_unref (flacenc->first_buf);
flacenc->first_buf = NULL;
g_free (flacenc->data);
flacenc->data = NULL;
break;
case GST_STATE_READY_TO_NULL:
default:

3
ext/flac/gstflacenc.h
View file

@ -52,6 +52,9 @@ struct _FlacEnc {
gint depth;
gint sample_rate;
gboolean negotiated;
gint quality;
gboolean stopped;
FLAC__int32 *data;
FLAC__StreamEncoder *encoder;
};