#define SBC_ENC_DEFAULT_MODE BT_A2DP_CHANNEL_MODE_AUTO
#define SBC_ENC_DEFAULT_BLOCKS 0
#define SBC_ENC_DEFAULT_SUB_BANDS 0
-#define SBC_ENC_DEFAULT_BITPOOL 0
#define SBC_ENC_DEFAULT_ALLOCATION BT_A2DP_ALLOCATION_AUTO
#define SBC_ENC_DEFAULT_RATE 0
#define SBC_ENC_DEFAULT_CHANNELS 0
+#define SBC_ENC_BITPOOL_AUTO 1
+#define SBC_ENC_BITPOOL_MIN 2
+#define SBC_ENC_BITPOOL_MIN_STR "2"
+#define SBC_ENC_BITPOOL_MAX 64
+#define SBC_ENC_BITPOOL_MAX_STR "64"
+
GST_DEBUG_CATEGORY_STATIC (sbc_enc_debug);
#define GST_CAT_DEFAULT sbc_enc_debug
return sbc_allocation_type;
}
+#define GST_TYPE_SBC_BLOCKS (gst_sbc_blocks_get_type())
+
+static GType
+gst_sbc_blocks_get_type (void)
+{
+ static GType sbc_blocks_type = 0;
+ static GEnumValue sbc_blocks[] = {
+ {0, "Auto", "auto"},
+ {4, "4", "4"},
+ {8, "8", "8"},
+ {12, "12", "12"},
+ {16, "16", "16"},
+ {-1, NULL, NULL}
+ };
+
+ if (!sbc_blocks_type)
+ sbc_blocks_type = g_enum_register_static ("GstSbcBlocks", sbc_blocks);
+
+ return sbc_blocks_type;
+}
+
+#define GST_TYPE_SBC_SUBBANDS (gst_sbc_subbands_get_type())
+
+static GType
+gst_sbc_subbands_get_type (void)
+{
+ static GType sbc_subbands_type = 0;
+ static GEnumValue sbc_subbands[] = {
+ {0, "Auto", "auto"},
+ {4, "4 subbands", "4"},
+ {8, "8 subbands", "8"},
+ {-1, NULL, NULL}
+ };
+
+ if (!sbc_subbands_type)
+ sbc_subbands_type = g_enum_register_static ("GstSbcSubbands", sbc_subbands);
+
+ return sbc_subbands_type;
+}
+
enum
{
PROP_0,
PROP_MODE,
PROP_ALLOCATION,
PROP_BLOCKS,
- PROP_SUBBANDS
+ PROP_SUBBANDS,
+ PROP_BITPOOL
};
GST_BOILERPLATE (GstSbcEnc, gst_sbc_enc, GstElement, GST_TYPE_ELEMENT);
"blocks = (int) { 4, 8, 12, 16 }, "
"subbands = (int) { 4, 8 }, "
"allocation = (string) { snr, loudness },"
- "bitpool = (int) [ 2, 64 ]"));
+ "bitpool = (int) [ " SBC_ENC_BITPOOL_MIN_STR
+ ", " SBC_ENC_BITPOOL_MAX_STR " ]"));
gboolean gst_sbc_enc_fill_sbc_params (GstSbcEnc * enc, GstCaps * caps);
gst_sbc_util_set_structure_int_param (structure, "blocks",
enc->blocks, value);
+ if (enc->bitpool != SBC_ENC_BITPOOL_AUTO)
+ gst_sbc_util_set_structure_int_param (structure, "bitpool",
+ enc->bitpool, value);
+
if (enc->mode != BT_A2DP_CHANNEL_MODE_AUTO) {
enum_class = g_type_class_ref (GST_TYPE_SBC_MODE);
enum_value = g_enum_get_value (enum_class, enc->mode);
result = gst_sbc_util_caps_fixate (caps, &error_message);
if (!result) {
- GST_ERROR_OBJECT (enc, "Invalid input caps caused parsing "
+ GST_WARNING_OBJECT (enc, "Invalid input caps caused parsing "
"error: %s", error_message);
g_free (error_message);
return NULL;
static GstCaps *
sbc_enc_get_fixed_srcpad_caps (GstSbcEnc * enc)
{
- GstCaps *peer_caps;
- GstCaps *src_caps;
GstCaps *caps;
gboolean res = TRUE;
GstCaps *result_caps = NULL;
- peer_caps = gst_pad_peer_get_caps (enc->srcpad);
- if (!peer_caps)
- return NULL;
-
- src_caps = sbc_enc_generate_srcpad_caps (enc);
- caps = gst_caps_intersect (src_caps, peer_caps);
+ caps = gst_pad_get_allowed_caps (enc->srcpad);
+ if (caps == NULL)
+ caps = sbc_enc_src_getcaps (enc->srcpad);
if (caps == GST_CAPS_NONE || gst_caps_is_empty (caps)) {
res = FALSE;
result_caps = sbc_enc_src_caps_fixate (enc, caps);
done:
-
- gst_caps_unref (src_caps);
- gst_caps_unref (peer_caps);
gst_caps_unref (caps);
if (!res)
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "rate", &rate))
- goto error;
+ return FALSE;
if (!gst_structure_get_int (structure, "channels", &channels))
- goto error;
+ return FALSE;
enc->rate = rate;
enc->channels = channels;
src_caps = sbc_enc_get_fixed_srcpad_caps (enc);
if (!src_caps)
- goto error;
+ return FALSE;
res = gst_pad_set_caps (enc->srcpad, src_caps);
gst_caps_unref (src_caps);
return res;
-
-error:
- GST_ERROR_OBJECT (enc, "invalid input caps");
- return FALSE;
}
gboolean
gst_sbc_enc_fill_sbc_params (GstSbcEnc * enc, GstCaps * caps)
{
+ gint mode;
+
+ if (!gst_caps_is_fixed (caps)) {
+ GST_DEBUG_OBJECT (enc, "didn't receive fixed caps, " "returning false");
+ return FALSE;
+ }
if (!gst_sbc_util_fill_sbc_params (&enc->sbc, caps))
return FALSE;
- enc->rate = enc->sbc.rate;
- enc->channels = enc->sbc.channels;
- enc->blocks = enc->sbc.blocks;
- enc->subbands = enc->sbc.subbands;
- enc->mode = enc->sbc.joint;
- enc->allocation = enc->sbc.allocation;
+ if (enc->rate != 0 && enc->sbc.rate != enc->rate)
+ goto fail;
+
+ if (enc->channels != 0 && enc->sbc.channels != enc->channels)
+ goto fail;
+
+ if (enc->blocks != 0 && enc->sbc.blocks != enc->blocks)
+ goto fail;
+
+ if (enc->subbands != 0 && enc->sbc.subbands != enc->subbands)
+ goto fail;
+
+ mode = gst_sbc_get_mode_int_from_sbc_t (&enc->sbc);
+ if (enc->mode != BT_A2DP_CHANNEL_MODE_AUTO && mode != enc->mode)
+ goto fail;
+
+ if (enc->allocation != BT_A2DP_ALLOCATION_AUTO &&
+ enc->sbc.allocation != enc->allocation)
+ goto fail;
+
+ if (enc->bitpool != SBC_ENC_BITPOOL_AUTO && enc->sbc.bitpool != enc->bitpool)
+ goto fail;
+
enc->codesize = sbc_get_codesize (&enc->sbc);
enc->frame_length = sbc_get_frame_length (&enc->sbc);
enc->frame_duration = sbc_get_frame_duration (&enc->sbc);
+
GST_DEBUG ("codesize: %d, frame_length: %d, frame_duration: %d",
enc->codesize, enc->frame_length, enc->frame_duration);
return TRUE;
+
+fail:
+ memset (&enc->sbc, 0, sizeof (sbc_t));
+ return FALSE;
}
static GstFlowReturn
gst_element_class_set_details (element_class, &sbc_enc_details);
}
-static gboolean
-sbc_enc_set_blocks (GstSbcEnc * enc, gint value)
-{
- if (value != 4 && value != 8 && value != 12 && value != 16 && value != 0)
- return FALSE;
- enc->blocks = value;
- return TRUE;
-}
-
-static gboolean
-sbc_enc_set_subbands (GstSbcEnc * enc, gint value)
-{
- if (value != 4 && value != 8 && value != 0)
- return FALSE;
- enc->subbands = value;
- return TRUE;
-}
-
static void
gst_sbc_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
enc->allocation = g_value_get_enum (value);
break;
case PROP_BLOCKS:
- if (!sbc_enc_set_blocks (enc, g_value_get_int (value)))
- GST_WARNING_OBJECT (enc, "invalid value %d for "
- "blocks property", g_value_get_int (value));
+ enc->blocks = g_value_get_enum (value);
break;
case PROP_SUBBANDS:
- if (!sbc_enc_set_subbands (enc, g_value_get_int (value)))
- GST_WARNING_OBJECT (enc, "invalid value %d for "
- "subbands property", g_value_get_int (value));
+ enc->subbands = g_value_get_enum (value);
+ break;
+ case PROP_BITPOOL:
+ enc->bitpool = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
g_value_set_enum (value, enc->allocation);
break;
case PROP_BLOCKS:
- g_value_set_int (value, enc->blocks);
+ g_value_set_enum (value, enc->blocks);
break;
case PROP_SUBBANDS:
- g_value_set_int (value, enc->subbands);
+ g_value_set_enum (value, enc->subbands);
+ break;
+ case PROP_BITPOOL:
+ g_value_set_int (value, enc->bitpool);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
g_object_class_install_property (object_class, PROP_ALLOCATION,
g_param_spec_enum ("allocation", "Allocation",
- "Allocation mode", GST_TYPE_SBC_ALLOCATION,
+ "Allocation method", GST_TYPE_SBC_ALLOCATION,
SBC_ENC_DEFAULT_ALLOCATION, G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_BLOCKS,
- g_param_spec_int ("blocks", "Blocks",
- "Blocks", 0, G_MAXINT, SBC_ENC_DEFAULT_BLOCKS, G_PARAM_READWRITE));
+ g_param_spec_enum ("blocks", "Blocks",
+ "Blocks", GST_TYPE_SBC_BLOCKS,
+ SBC_ENC_DEFAULT_BLOCKS, G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_SUBBANDS,
- g_param_spec_int ("subbands", "Sub Bands",
- "Sub Bands", 0, G_MAXINT,
+ g_param_spec_enum ("subbands", "Sub bands",
+ "Number of sub bands", GST_TYPE_SBC_SUBBANDS,
SBC_ENC_DEFAULT_SUB_BANDS, G_PARAM_READWRITE));
+ g_object_class_install_property (object_class, PROP_BITPOOL,
+ g_param_spec_int ("bitpool", "Bitpool",
+ "Bitpool (use 1 for automatic selection)",
+ SBC_ENC_BITPOOL_AUTO, SBC_ENC_BITPOOL_MAX,
+ SBC_ENC_BITPOOL_AUTO, G_PARAM_READWRITE));
+
GST_DEBUG_CATEGORY_INIT (sbc_enc_debug, "sbcenc", 0, "SBC encoding element");
}
self->allocation = SBC_ENC_DEFAULT_ALLOCATION;
self->rate = SBC_ENC_DEFAULT_RATE;
self->channels = SBC_ENC_DEFAULT_CHANNELS;
+ self->bitpool = SBC_ENC_BITPOOL_AUTO;
self->frame_length = 0;
self->frame_duration = 0;
* Selects one mode from the ones on the list
*/
const gchar *
-gst_sbc_get_mode_from_list (const GValue * list)
+gst_sbc_get_mode_from_list (const GValue * list, gint channels)
{
int i;
const GValue *value;
const gchar *aux;
+ gboolean joint, stereo, dual, mono;
+ joint = stereo = dual = mono = FALSE;
guint size = gst_value_list_get_size (list);
+
for (i = 0; i < size; i++) {
value = gst_value_list_get_value (list, i);
aux = g_value_get_string (value);
- if (strcmp ("joint", aux) == 0) {
+ if (strcmp ("joint", aux) == 0)
+ joint = TRUE;
+ else if (strcmp ("stereo", aux) == 0)
+ stereo = TRUE;
+ else if (strcmp ("dual", aux) == 0)
+ dual = TRUE;
+ else if (strcmp ("mono", aux) == 0)
+ mono = TRUE;
+ }
+
+ if (channels == 1 && mono)
+ return "mono";
+ else if (channels == 2) {
+ if (joint)
return "joint";
- }
+ else if (stereo)
+ return "stereo";
}
- return g_value_get_string (gst_value_list_get_value (list, size - 1));
+
+ return NULL;
}
gint
return -1;
}
+gint
+gst_sbc_get_mode_int_from_sbc_t (const sbc_t * sbc)
+{
+ /* TODO define constants */
+ if (sbc->channels == 2 && sbc->joint == 1)
+ return 4;
+ else if (sbc->channels == 2 && sbc->joint == 0)
+ return 3;
+ else if (sbc->channels == 1)
+ return 1;
+ else
+ return -1;
+}
+
const gchar *
-gst_sbc_get_mode_string (int joint)
+gst_sbc_get_mode_string (gint joint)
{
switch (joint) {
case BT_A2DP_CHANNEL_MODE_MONO:
}
const gchar *
-gst_sbc_get_allocation_string (int alloc)
+gst_sbc_get_allocation_string (gint alloc)
{
switch (alloc) {
case BT_A2DP_ALLOCATION_LOUDNESS:
#define SBC_AM_SNR 0x01
const gchar *
-gst_sbc_get_mode_string_from_sbc_t (int channels, int joint)
+gst_sbc_get_mode_string_from_sbc_t (gint channels, gint joint)
{
if (channels == 2 && joint == 1)
return "joint";
}
const gchar *
-gst_sbc_get_allocation_string_from_sbc_t (int alloc)
+gst_sbc_get_allocation_string_from_sbc_t (gint alloc)
{
switch (alloc) {
case SBC_AM_LOUDNESS:
} else {
value = gst_structure_get_value (structure, "mode");
if (GST_VALUE_HOLDS_LIST (value)) {
- if (channels == 1)
- mode = "mono";
- else
- mode = gst_sbc_get_mode_from_list (value);
+ mode = gst_sbc_get_mode_from_list (value, channels);
} else
mode = g_value_get_string (value);
}
+ /* perform validation
+ * if channels is 1, we must have channel mode = mono
+ * if channels is 2, we can't have channel mode = mono, dual */
+ if ((channels == 1 && (strcmp (mode, "mono") != 0)) ||
+ (channels == 2 && (strcmp (mode, "mono") == 0 ||
+ strcmp (mode, "dual") == 0))) {
+ *error_message = g_strdup_printf ("Invalid combination of "
+ "channels (%d) and channel mode (%s)", channels, mode);
+ error = TRUE;
+ }
+
error:
if (error)
return NULL;