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gst-libs/gst/audio/multichannel.c: Allow non-standard 2 channel layouts.
Original commit message from CVS: * gst-libs/gst/audio/multichannel.c: (gst_audio_check_channel_positions): Allow non-standard 2 channel layouts. * tests/check/elements/audioconvert.c: (GST_START_TEST): Add some tests for converting and remapping non-standard 1 and 2 channel layouts.
This commit is contained in:
Sebastian Dröge
parent
d47bd6d7bc
commit
d03bbd1e3e
3 changed files with 245 additions and 0 deletions
10
ChangeLog
10
ChangeLog
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@ -1,3 +1,13 @@
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2008-05-21 Sebastian Dröge <slomo@circular-chaos.org>
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* gst-libs/gst/audio/multichannel.c:
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(gst_audio_check_channel_positions):
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Allow non-standard 2 channel layouts.
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* tests/check/elements/audioconvert.c: (GST_START_TEST):
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Add some tests for converting and remapping non-standard 1 and 2
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channel layouts.
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2008-05-21 Sebastian Dröge <slomo@circular-chaos.org>
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* gst/audioconvert/gstchannelmix.c:
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@ -135,12 +135,14 @@ gst_audio_check_channel_positions (const GstAudioChannelPosition * pos,
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/* Throw warning if we encounter an unusual 2-channel configuration,
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* at least until someone finds a reason why we should not */
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#if 0
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if (channels == 2 && (pos[0] != GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT ||
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pos[1] != GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT)) {
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g_warning ("channels=2 implies stereo, but channel positions are "
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"< %d, %d>", pos[0], pos[1]);
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return FALSE;
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}
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#endif
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return TRUE;
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}
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@ -827,6 +827,119 @@ GST_START_TEST (test_multichannel_conversion)
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TRUE));
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}
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{
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gint16 in[] = { 1, 2 };
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gint16 out[] = { 1, 1, 2, 2 };
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GstCaps *in_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_MONO };
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GstAudioChannelPosition out_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT
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};
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set_channel_positions (in_caps, 1, in_layout);
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set_channel_positions (out_caps, 2, out_layout);
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RUN_CONVERSION ("1 channels to 2 with standard layout", in,
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in_caps, out, out_caps);
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}
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{
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gint16 in[] = { 1, 2 };
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gint16 out[] = { 1, 0, 2, 0 };
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GstCaps *in_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT };
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GstAudioChannelPosition out_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT
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};
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set_channel_positions (in_caps, 1, in_layout);
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set_channel_positions (out_caps, 2, out_layout);
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RUN_CONVERSION ("1 channels to 2 with non-standard layout", in,
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in_caps, out, out_caps);
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}
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{
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gint16 in[] = { 1, 2, 3, 4 };
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gint16 out[] = { 2, 4 };
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GstCaps *in_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT
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};
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GstAudioChannelPosition out_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER };
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set_channel_positions (in_caps, 2, in_layout);
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set_channel_positions (out_caps, 1, out_layout);
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RUN_CONVERSION ("2 channels to 1 with non-standard layout", in,
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in_caps, out, out_caps);
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}
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{
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gint16 in[] = { 1, 2, 3, 4 };
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gint16 out[] = { 2, 4 };
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GstCaps *in_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT
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};
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GstAudioChannelPosition out_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_MONO };
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set_channel_positions (in_caps, 2, in_layout);
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set_channel_positions (out_caps, 1, out_layout);
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RUN_CONVERSION ("2 channels to 1 with standard layout", in,
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in_caps, out, out_caps);
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}
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{
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gint16 in[] = { 1, 2, 3, 4 };
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gint16 out[] = { 2, 4 };
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GstCaps *in_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_REAR_CENTER
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};
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GstAudioChannelPosition out_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_MONO };
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set_channel_positions (in_caps, 2, in_layout);
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set_channel_positions (out_caps, 1, out_layout);
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RUN_CONVERSION ("2 channels to 1 with non-standard layout", in,
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in_caps, out, out_caps);
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}
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{
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gint16 in[] = { 1, 2, 3, 4 };
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gint16 out[] = { 1, 3 };
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GstCaps *in_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT
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};
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GstAudioChannelPosition out_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_MONO };
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set_channel_positions (in_caps, 2, in_layout);
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set_channel_positions (out_caps, 1, out_layout);
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RUN_CONVERSION ("2 channels to 1 with non-standard layout", in,
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in_caps, out, out_caps);
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}
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}
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GST_END_TEST;
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@ -923,6 +1036,126 @@ GST_START_TEST (test_channel_remapping)
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RUN_CONVERSION ("3 channels layout remapping float32 --> int16", in,
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in_caps, out, out_caps);
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}
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/* gint16 to gint16 with 2 channels and non-standard layout */
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{
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gint16 in[] = { 1, 2, 3, 4 };
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gint16 out[] = { -1, 2, -2, 4 };
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GstCaps *in_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_LFE
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};
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GstAudioChannelPosition out_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT
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};
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set_channel_positions (in_caps, 2, in_layout);
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set_channel_positions (out_caps, 2, out_layout);
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RUN_CONVERSION ("2 channels layout remapping int16 --> int16", in,
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in_caps, out, out_caps);
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}
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/* gint16 to gint16 with 2 channels and non-standard layout */
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{
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gint16 in[] = { 1, 2, 3, 4 };
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gint16 out[] = { 2, 1, 4, 3 };
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GstCaps *in_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT
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};
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GstAudioChannelPosition out_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT
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};
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set_channel_positions (in_caps, 2, in_layout);
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set_channel_positions (out_caps, 2, out_layout);
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RUN_CONVERSION ("2 channels layout remapping int16 --> int16", in,
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in_caps, out, out_caps);
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}
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/* gint16 to gint16 with 2 channels and non-standard layout */
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{
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gint16 in[] = { 1, 2, 3, 4 };
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gint16 out[] = { -1, 2, -3, 4 };
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GstCaps *in_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (2, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_REAR_CENTER
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};
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GstAudioChannelPosition out_layout[2] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT
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};
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set_channel_positions (in_caps, 2, in_layout);
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set_channel_positions (out_caps, 2, out_layout);
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RUN_CONVERSION ("2 channels layout remapping int16 --> int16", in,
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in_caps, out, out_caps);
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}
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/* gint16 to gint16 with 1 channel and non-standard layout */
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{
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gint16 in[] = { 1, 2, 3, 4 };
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gint16 out[] = { 0, 0, 0, 0 };
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GstCaps *in_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT };
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GstAudioChannelPosition out_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT };
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set_channel_positions (in_caps, 1, in_layout);
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set_channel_positions (out_caps, 1, out_layout);
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RUN_CONVERSION ("1 channels layout remapping int16 --> int16", in,
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in_caps, out, out_caps);
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}
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/* gint16 to gint16 with 1 channel and non-standard layout */
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{
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gint16 in[] = { 1, 2, 3, 4 };
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gint16 out[] = { 1, 2, 3, 4 };
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GstCaps *in_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_MONO };
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GstAudioChannelPosition out_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER };
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set_channel_positions (in_caps, 1, in_layout);
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set_channel_positions (out_caps, 1, out_layout);
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RUN_CONVERSION ("1 channels layout remapping int16 --> int16", in,
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in_caps, out, out_caps);
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}
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/* gint16 to gint16 with 1 channel and non-standard layout */
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{
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gint16 in[] = { 1, 2, 3, 4 };
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gint16 out[] = { -1, -2, -3, -4 };
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GstCaps *in_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstCaps *out_caps = get_int_mc_caps (1, "BYTE_ORDER", 16, 16, TRUE, FALSE);
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GstAudioChannelPosition in_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_FRONT_MONO };
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GstAudioChannelPosition out_layout[1] =
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{ GST_AUDIO_CHANNEL_POSITION_REAR_LEFT };
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set_channel_positions (in_caps, 1, in_layout);
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set_channel_positions (out_caps, 1, out_layout);
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RUN_CONVERSION ("1 channels layout remapping int16 --> int16", in,
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in_caps, out, out_caps);
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}
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}
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GST_END_TEST;
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