const GValue * value, GParamSpec * pspec);
static void gst_audio_convert_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
-
+static gboolean structure_has_fixed_channel_positions (GstStructure * s,
+ gboolean * unpositioned_layout);
/* AudioConvert signals and args */
enum
GST_STATIC_CAPS ( \
"audio/x-raw-float, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) 64;" \
"audio/x-raw-float, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) 32;" \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) 32, " \
"depth = (int) [ 1, 32 ], " \
"signed = (boolean) { true, false }; " \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) 24, " \
"depth = (int) [ 1, 24 ], " "signed = (boolean) { true, false }; " \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) 16, " \
"depth = (int) [ 1, 16 ], " \
"signed = (boolean) { true, false }; " \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) 8, " \
"depth = (int) [ 1, 8 ], " \
goto no_values;
if (!(fmt->pos = gst_audio_get_channel_positions (structure)))
goto no_values;
+
+ fmt->unpositioned_layout = FALSE;
+ structure_has_fixed_channel_positions (structure, &fmt->unpositioned_layout);
+
if (!gst_structure_get_int (structure, "width", &fmt->width))
goto no_values;
if (!gst_structure_get_int (structure, "rate", &fmt->rate))
}
}
+static gboolean
+structure_has_fixed_channel_positions (GstStructure * s,
+ gboolean * unpositioned_layout)
+{
+ GstAudioChannelPosition *pos;
+ const GValue *val;
+ gint channels = 0;
+
+ if (!gst_structure_get_int (s, "channels", &channels))
+ return FALSE; /* probably a range */
+
+ if (channels > 8) {
+ GST_LOG ("%d channels, undefined channel positions are implicit", channels);
+ *unpositioned_layout = TRUE;
+ return TRUE;
+ }
+
+ val = gst_structure_get_value (s, "channel-positions");
+ if (val == NULL || !gst_value_is_fixed (val)) {
+ GST_LOG ("no or unfixed channel-positions in %" GST_PTR_FORMAT, s);
+ return FALSE;
+ }
+
+ pos = gst_audio_get_channel_positions (s);
+ if ((pos && pos[0] == GST_AUDIO_CHANNEL_POSITION_NONE) || channels > 8) {
+ GST_LOG ("fixed undefined channel-positions in %" GST_PTR_FORMAT, s);
+ *unpositioned_layout = TRUE;
+ } else {
+ GST_LOG ("fixed defined channel-positions in %" GST_PTR_FORMAT, s);
+ *unpositioned_layout = FALSE;
+ }
+ g_free (pos);
+
+ return TRUE;
+}
+
/* Audioconvert can perform all conversions on audio except for resampling.
* However, there are some conversions we _prefer_ not to do. For example, it's
* better to convert format (float<->int, endianness, etc) than the number of
{
GstCaps *ret;
GstStructure *s, *structure;
- gboolean isfloat;
- gint width, depth, channels;
+ gboolean isfloat, allow_mixing;
+ gint width, depth, channels = 0;
const gchar *fields_used[] = {
"width", "depth", "rate", "channels", "endianness", "signed"
};
}
}
+ allow_mixing = TRUE;
if (gst_structure_get_int (structure, "channels", &channels)) {
- if (channels == 8)
- gst_structure_set (s, "channels", G_TYPE_INT, 8, NULL);
+ gboolean unpositioned;
+
+ /* we don't support mixing for channels without channel positions */
+ if (structure_has_fixed_channel_positions (structure, &unpositioned))
+ allow_mixing = (unpositioned == FALSE);
+ }
+
+ if (!allow_mixing || channels == 8) {
+ gst_structure_set (s, "channels", G_TYPE_INT, channels, NULL);
+ if (gst_structure_has_field (structure, "channel-positions"))
+ gst_structure_set_value (s, "channel-positions",
+ gst_structure_get_value (structure, "channel-positions"));
+ } else {
+ if (channels == 0)
+ gst_structure_set (s, "channels", GST_TYPE_INT_RANGE, 1, 8, NULL);
else
gst_structure_set (s, "channels", GST_TYPE_INT_RANGE, channels, 8, NULL);
+ gst_structure_remove_field (s, "channel-positions");
}
gst_caps_append_structure (ret, s);
* it's very bad to drop channels entirely.
*/
s = gst_structure_copy (s);
- gst_structure_set (s, "channels", GST_TYPE_INT_RANGE, 1, 8, NULL);
+ if (allow_mixing) {
+ gst_structure_set (s, "channels", GST_TYPE_INT_RANGE, 1, 8, NULL);
+ gst_structure_remove_field (s, "channel-positions");
+ } else {
+ /* allow_mixing can only be FALSE if we got a fixed number of channels */
+ gst_structure_set (s, "channels", G_TYPE_INT, channels, NULL);
+ if (gst_structure_has_field (structure, "channel-positions"))
+ gst_structure_set_value (s, "channel-positions",
+ gst_structure_get_value (structure, "channel-positions"));
+ }
gst_caps_append_structure (ret, s);
/* Same, plus a float<->int conversion */
* unit test for audioconvert
*
* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
+ * Copyright (C) <2007> Tim-Philipp Müller <tim centricular net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
#define CONVERT_CAPS_TEMPLATE_STRING \
"audio/x-raw-float, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) { 32, 64 };" \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) 32, " \
"depth = (int) [ 1, 32 ], " \
"signed = (boolean) { true, false }; " \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) 24, " \
"depth = (int) [ 1, 24 ], " \
"signed = (boolean) { true, false }; " \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) 16, " \
"depth = (int) [ 1, 16 ], " \
"signed = (boolean) { true, false }; " \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
- "channels = (int) [ 1, 8 ], " \
+ "channels = (int) [ 1, MAX ], " \
"endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
"width = (int) 8, " \
"depth = (int) [ 1, 8 ], " \
}
};
+/* we get this when recording from a soundcard with lots of input channels */
+static GstAudioChannelPosition undefined_positions[][9] = {
+ {
+ GST_AUDIO_CHANNEL_POSITION_NONE},
+ {
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE},
+ {
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE},
+ {
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE},
+ {
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE},
+ {
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE},
+ {
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE},
+ {
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE},
+ {
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE,
+ GST_AUDIO_CHANNEL_POSITION_NONE}
+
+};
+
static void
set_channel_positions (GstCaps * caps, int channels,
GstAudioChannelPosition * channelpositions)
/* eats the refs to the caps */
static void
verify_convert (const gchar * which, void *in, int inlength,
- GstCaps * incaps, void *out, int outlength, GstCaps * outcaps)
+ GstCaps * incaps, void *out, int outlength, GstCaps * outcaps,
+ GstFlowReturn expected_flow)
{
GstBuffer *inbuffer, *outbuffer;
GstElement *audioconvert;
/* pushing gives away my reference ... */
GST_DEBUG ("push it");
- fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
+ fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), expected_flow);
GST_DEBUG ("pushed it");
+
+ if (expected_flow != GST_FLOW_OK)
+ goto done;
+
/* ... and puts a new buffer on the global list */
fail_unless (g_list_length (buffers) == 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
gst_buffer_unref (outbuffer);
+
+done:
fail_unless (gst_element_set_state (audioconvert,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
/* cleanup */
#define RUN_CONVERSION(which, inarray, in_get_caps, outarray, out_get_caps) \
verify_convert (which, inarray, sizeof (inarray), \
- in_get_caps, outarray, sizeof (outarray), out_get_caps)
+ in_get_caps, outarray, sizeof (outarray), out_get_caps, GST_FLOW_OK)
+
+#define RUN_CONVERSION_TO_FAIL(which, inarray, in_caps, outarray, out_caps) \
+ verify_convert (which, inarray, sizeof (inarray), \
+ in_caps, outarray, sizeof (outarray), out_caps, GST_FLOW_NOT_NEGOTIATED)
GST_START_TEST (test_int16)
GST_START_TEST (test_multichannel_conversion)
{
{
- /* Ensure that audioconvert prefers to convert to integer, rather than mix
- * to mono
- */
gfloat in[] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
gfloat out[] = { 0.0, 0.0 };
- /* only one direction conversion, the other direction does
- * not produce exactly the same as the input due to floating
- * point rounding errors etc. */
RUN_CONVERSION ("3 channels to 1", in, get_float_mc_caps (3,
"BYTE_ORDER", 32, FALSE), out, get_float_caps (1, "BYTE_ORDER",
32));
+ RUN_CONVERSION ("1 channels to 3", out, get_float_caps (1,
+ "BYTE_ORDER", 32), in, get_float_mc_caps (3, "BYTE_ORDER",
+ 32, TRUE));
+ }
+
+ {
+ gint16 in[] = { 0, 0, 0, 0, 0, 0 };
+ gint16 out[] = { 0, 0 };
+
+ RUN_CONVERSION ("3 channels to 1", in, get_int_mc_caps (3,
+ "BYTE_ORDER", 16, 16, TRUE, FALSE), out, get_int_caps (1,
+ "BYTE_ORDER", 16, 16, TRUE));
+ RUN_CONVERSION ("1 channels to 3", out, get_int_caps (1, "BYTE_ORDER", 16,
+ 16, TRUE), in, get_int_mc_caps (3, "BYTE_ORDER", 16, 16, TRUE,
+ TRUE));
}
+
}
GST_END_TEST;
+/* for testing channel remapping with 8 channels */
+static GstAudioChannelPosition n8chan_pos_remap_in[8] = {
+ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
+ GST_AUDIO_CHANNEL_POSITION_LFE,
+ GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT
+};
+static GstAudioChannelPosition n8chan_pos_remap_out[8] = {
+ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_LFE
+};
GST_START_TEST (test_channel_remapping)
{
out, out_caps);
}
- /* TODO: float => int conversion with remapping and vice versa,
- * int => int conversion with remapping */
+ /* int with 8 channels (= largest number allowed with channel positions) */
+ {
+ guint16 in[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
+ guint16 out[] = { 4, 0, 1, 6, 7, 2, 3, 5 };
+ GstCaps *in_caps = get_int_mc_caps (8, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (8, "BYTE_ORDER", 16, 16, FALSE, TRUE);
+
+ set_channel_positions (in_caps, 8, n8chan_pos_remap_in);
+ set_channel_positions (out_caps, 8, n8chan_pos_remap_out);
+
+ RUN_CONVERSION ("8 channels layout remapping int", in, in_caps,
+ out, out_caps);
+ }
+
+ /* int16 to int32 with 8 channels (= largest number allowed with channel positions) */
+ {
+ guint16 in[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
+ guint32 out[] =
+ { 4 << 16, 0, 1 << 16, 6 << 16, 7 << 16, 2 << 16, 3 << 16, 5 << 16 };
+ GstCaps *in_caps = get_int_mc_caps (8, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (8, "BYTE_ORDER", 32, 32, FALSE, TRUE);
+
+ set_channel_positions (in_caps, 8, n8chan_pos_remap_in);
+ set_channel_positions (out_caps, 8, n8chan_pos_remap_out);
+
+ RUN_CONVERSION ("8 channels layout remapping int16 --> int32", in, in_caps,
+ out, out_caps);
+
+ in_caps = get_int_mc_caps (8, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ out_caps = get_int_mc_caps (8, "BYTE_ORDER", 32, 32, FALSE, TRUE);
+ set_channel_positions (in_caps, 8, n8chan_pos_remap_in);
+ set_channel_positions (out_caps, 8, n8chan_pos_remap_out);
+ RUN_CONVERSION ("8 channels layout remapping int16 <-- int32", out,
+ out_caps, in, in_caps);
+ }
+
+ /* float to gint16 with 3 channels */
+ {
+ gfloat in[] = { 100.0 / G_MAXINT16, 0.0, -100.0 / G_MAXINT16 };
+ gint16 out[] = { -100, 0, 100 };
+ GstCaps *in_caps = get_float_mc_caps (3, "BYTE_ORDER", 32, TRUE);
+ GstCaps *out_caps = get_int_mc_caps (3, "BYTE_ORDER", 16, 16, TRUE, FALSE);
+
+ RUN_CONVERSION ("3 channels layout remapping float32 --> int16", in,
+ in_caps, out, out_caps);
+ }
}
GST_END_TEST;
GST_END_TEST;
+GST_START_TEST (test_convert_undefined_multichannel)
+{
+ /* (A) CONVERSION FROM 'WORSE' TO 'BETTER' FORMAT */
+
+ /* 1 channel, NONE positions, int8 => int16 */
+ {
+ guint16 out[] = { 0x2000 };
+ guint8 in[] = { 0x20 };
+ GstCaps *out_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *in_caps = get_int_mc_caps (1, "BYTE_ORDER", 8, 8, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 1, undefined_positions[1 - 1]);
+ set_channel_positions (in_caps, 1, undefined_positions[1 - 1]);
+
+ RUN_CONVERSION ("1 channel, undefined layout, identity conversion, "
+ "int8 => int16", in, in_caps, out, out_caps);
+ }
+
+ /* 2 channels, NONE positions, int8 => int16 */
+ {
+ guint16 out[] = { 0x8000, 0x2000 };
+ guint8 in[] = { 0x80, 0x20 };
+ GstCaps *out_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *in_caps = get_int_mc_caps (2, "BYTE_ORDER", 8, 8, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 2, undefined_positions[2 - 1]);
+ set_channel_positions (in_caps, 2, undefined_positions[2 - 1]);
+
+ RUN_CONVERSION ("2 channels, undefined layout, identity conversion, "
+ "int8 => int16", in, in_caps, out, out_caps);
+ }
+
+ /* 6 channels, NONE positions, int8 => int16 */
+ {
+ guint16 out[] = { 0x0000, 0x2000, 0x8000, 0x2000, 0x0000, 0xff00 };
+ guint8 in[] = { 0x00, 0x20, 0x80, 0x20, 0x00, 0xff };
+ GstCaps *out_caps = get_int_mc_caps (6, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *in_caps = get_int_mc_caps (6, "BYTE_ORDER", 8, 8, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 6, undefined_positions[6 - 1]);
+ set_channel_positions (in_caps, 6, undefined_positions[6 - 1]);
+
+ RUN_CONVERSION ("6 channels, undefined layout, identity conversion, "
+ "int8 => int16", in, in_caps, out, out_caps);
+ }
+
+ /* 9 channels, NONE positions, int8 => int16 */
+ {
+ guint16 out[] = { 0x0000, 0xff00, 0x0000, 0x2000, 0x8000, 0x2000,
+ 0x0000, 0xff00, 0x0000
+ };
+ guint8 in[] = { 0x00, 0xff, 0x00, 0x20, 0x80, 0x20, 0x00, 0xff, 0x00 };
+ GstCaps *out_caps = get_int_mc_caps (9, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *in_caps = get_int_mc_caps (9, "BYTE_ORDER", 8, 8, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 9, undefined_positions[9 - 1]);
+ set_channel_positions (in_caps, 9, undefined_positions[9 - 1]);
+
+ RUN_CONVERSION ("9 channels, undefined layout, identity conversion, "
+ "int8 => int16", in, in_caps, out, out_caps);
+ }
+
+ /* (B) CONVERSION FROM 'BETTER' TO 'WORSE' FORMAT */
+
+ /* 1 channel, NONE positions, int16 => int8 */
+ {
+ guint16 in[] = { 0x2000 };
+ guint8 out[] = { 0x20 };
+ GstCaps *in_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (1, "BYTE_ORDER", 8, 8, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 1, undefined_positions[1 - 1]);
+ set_channel_positions (in_caps, 1, undefined_positions[1 - 1]);
+
+ RUN_CONVERSION ("1 channel, undefined layout, identity conversion, "
+ "int16 => int8", in, in_caps, out, out_caps);
+ }
+
+ /* 2 channels, NONE positions, int16 => int8 */
+ {
+ guint16 in[] = { 0x8000, 0x2000 };
+ guint8 out[] = { 0x80, 0x20 };
+ GstCaps *in_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (2, "BYTE_ORDER", 8, 8, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 2, undefined_positions[2 - 1]);
+ set_channel_positions (in_caps, 2, undefined_positions[2 - 1]);
+
+ RUN_CONVERSION ("2 channels, undefined layout, identity conversion, "
+ "int16 => int8", in, in_caps, out, out_caps);
+ }
+
+ /* 6 channels, NONE positions, int16 => int8 */
+ {
+ guint16 in[] = { 0x0000, 0x2000, 0x8000, 0x2000, 0x0000, 0xff00 };
+ guint8 out[] = { 0x00, 0x20, 0x80, 0x20, 0x00, 0xff };
+ GstCaps *in_caps = get_int_mc_caps (6, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (6, "BYTE_ORDER", 8, 8, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 6, undefined_positions[6 - 1]);
+ set_channel_positions (in_caps, 6, undefined_positions[6 - 1]);
+
+ RUN_CONVERSION ("6 channels, undefined layout, identity conversion, "
+ "int16 => int8", in, in_caps, out, out_caps);
+ }
+
+ /* 9 channels, NONE positions, int16 => int8 */
+ {
+ guint16 in[] = { 0x0000, 0xff00, 0x0000, 0x2000, 0x8000, 0x2000,
+ 0x0000, 0xff00, 0x0000
+ };
+ guint8 out[] = { 0x00, 0xff, 0x00, 0x20, 0x80, 0x20, 0x00, 0xff, 0x00 };
+ GstCaps *in_caps = get_int_mc_caps (9, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (9, "BYTE_ORDER", 8, 8, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 9, undefined_positions[9 - 1]);
+ set_channel_positions (in_caps, 9, undefined_positions[9 - 1]);
+
+ RUN_CONVERSION ("9 channels, undefined layout, identity conversion, "
+ "int16 => int8", in, in_caps, out, out_caps);
+ }
+
+ /* (C) NO CONVERSION, SAME FORMAT */
+
+ /* 1 channel, NONE positions, int16 => int16 */
+ {
+ guint16 in[] = { 0x2000 };
+ guint16 out[] = { 0x2000 };
+ GstCaps *in_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 1, undefined_positions[1 - 1]);
+ set_channel_positions (in_caps, 1, undefined_positions[1 - 1]);
+
+ RUN_CONVERSION ("1 channel, undefined layout, identity conversion, "
+ "int16 => int16", in, in_caps, out, out_caps);
+ }
+
+ /* 2 channels, NONE positions, int16 => int16 */
+ {
+ guint16 in[] = { 0x8000, 0x2000 };
+ guint16 out[] = { 0x8000, 0x2000 };
+ GstCaps *in_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 2, undefined_positions[2 - 1]);
+ set_channel_positions (in_caps, 2, undefined_positions[2 - 1]);
+
+ RUN_CONVERSION ("2 channels, undefined layout, identity conversion, "
+ "int16 => int16", in, in_caps, out, out_caps);
+ }
+
+ /* 6 channels, NONE positions, int16 => int16 */
+ {
+ guint16 in[] = { 0x0000, 0x2000, 0x8000, 0x2000, 0x0000, 0xff00 };
+ guint16 out[] = { 0x0000, 0x2000, 0x8000, 0x2000, 0x0000, 0xff00 };
+ GstCaps *in_caps = get_int_mc_caps (6, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (6, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 6, undefined_positions[6 - 1]);
+ set_channel_positions (in_caps, 6, undefined_positions[6 - 1]);
+
+ RUN_CONVERSION ("6 channels, undefined layout, identity conversion, "
+ "int16 => int16", in, in_caps, out, out_caps);
+ }
+
+ /* 9 channels, NONE positions, int16 => int16 */
+ {
+ guint16 in[] = { 0x0000, 0xff00, 0x0000, 0x2000, 0x8000, 0x2000,
+ 0x0000, 0xff00, 0x0000
+ };
+ guint16 out[] = { 0x0000, 0xff00, 0x0000, 0x2000, 0x8000, 0x2000,
+ 0x0000, 0xff00, 0x0000
+ };
+ GstCaps *in_caps = get_int_mc_caps (9, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (9, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+
+ set_channel_positions (out_caps, 9, undefined_positions[9 - 1]);
+ set_channel_positions (in_caps, 9, undefined_positions[9 - 1]);
+
+ RUN_CONVERSION ("9 channels, undefined layout, identity conversion, "
+ "int16 => int16", in, in_caps, out, out_caps);
+ }
+
+ /* (C) int16 => float */
+
+ /* 9 channels, NONE positions, int16 => float */
+ {
+ guint16 in[] = { 0x0000, 0x8000, 0x0000, 0x8000, 0x8000, 0x8000,
+ 0x0000, 0x8000, 0x0000
+ };
+ gfloat out[] = { -1.0, 0.0, -1.0, 0.0, 0.0, 0.0, -1.0, 0.0, -1.0 };
+ GstCaps *in_caps = get_int_mc_caps (9, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_float_mc_caps (9, "BYTE_ORDER", 32, FALSE);
+
+ set_channel_positions (out_caps, 9, undefined_positions[9 - 1]);
+ set_channel_positions (in_caps, 9, undefined_positions[9 - 1]);
+
+ RUN_CONVERSION ("9 channels, undefined layout, identity conversion, "
+ "int16 => float", in, in_caps, out, out_caps);
+ }
+
+ /* 9 channels, NONE positions, int16 => float (same as above, but no
+ * position on output caps to see if audioconvert transforms correctly) */
+ {
+ guint16 in[] = { 0x0000, 0x8000, 0x0000, 0x8000, 0x8000, 0x8000,
+ 0x0000, 0x8000, 0x0000
+ };
+ gfloat out[] = { -1.0, 0.0, -1.0, 0.0, 0.0, 0.0, -1.0, 0.0, -1.0 };
+ GstCaps *in_caps = get_int_mc_caps (9, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_float_mc_caps (9, "BYTE_ORDER", 32, FALSE);
+
+ //set_channel_positions (out_caps, 9, undefined_positions[9 - 1]);
+ set_channel_positions (in_caps, 9, undefined_positions[9 - 1]);
+
+ RUN_CONVERSION ("9 channels, undefined layout, identity conversion, "
+ "int16 => float", in, in_caps, out, out_caps);
+ }
+
+ /* 8 channels, NONE positions => 2 channels: should fail, no mixing allowed */
+ {
+ guint16 in[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+ gfloat out[] = { -1.0, -1.0 };
+ GstCaps *in_caps = get_int_mc_caps (8, "BYTE_ORDER", 16, 16, FALSE, FALSE);
+ GstCaps *out_caps = get_float_mc_caps (2, "BYTE_ORDER", 32, FALSE);
+
+ set_channel_positions (in_caps, 8, undefined_positions[8 - 1]);
+
+ RUN_CONVERSION_TO_FAIL ("8 channels with layout => 2 channels",
+ in, in_caps, out, out_caps);
+ }
+
+ /* 8 channels, with positions => 2 channels (makes sure channel-position
+ * fields are removed properly in some cases in ::transform_caps, so we
+ * don't up with caps with 2 channels and 8 channel positions) */
+ {
+ GstAudioChannelPosition layout8ch[] = {
+ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
+ GST_AUDIO_CHANNEL_POSITION_LFE,
+ GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT
+ };
+ gint16 in[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+ gint16 out[] = { 0, 0 };
+ GstCaps *in_caps = get_int_mc_caps (8, "BYTE_ORDER", 16, 16, TRUE, FALSE);
+ GstCaps *out_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
+
+ set_channel_positions (in_caps, 8, layout8ch);
+
+ RUN_CONVERSION ("8 channels with layout => 2 channels",
+ in, in_caps, out, out_caps);
+ }
+}
+
+GST_END_TEST;
static Suite *
audioconvert_suite (void)
tcase_add_test (tc_chain, test_multichannel_conversion);
tcase_add_test (tc_chain, test_channel_remapping);
tcase_add_test (tc_chain, test_caps_negotiation);
+ tcase_add_test (tc_chain, test_convert_undefined_multichannel);
return s;
}
-int
-main (int argc, char **argv)
-{
- int nf;
-
- Suite *s = audioconvert_suite ();
- SRunner *sr = srunner_create (s);
-
- gst_check_init (&argc, &argv);
-
- srunner_run_all (sr, CK_NORMAL);
- nf = srunner_ntests_failed (sr);
- srunner_free (sr);
-
- return nf;
-}
+GST_CHECK_MAIN (audioconvert);
projects / platform / upstream / gstreamer.git / commitdiff