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Diffstat (limited to 'Documentation/media/uapi/v4l/vidioc-g-tuner.rst')
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1 files changed, 309 insertions, 588 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-g-tuner.rst b/Documentation/media/uapi/v4l/vidioc-g-tuner.rst index d0251a1b6303..e8aa8cd7065f 100644 --- a/Documentation/media/uapi/v4l/vidioc-g-tuner.rst +++ b/Documentation/media/uapi/v4l/vidioc-g-tuner.rst @@ -69,195 +69,117 @@ To change the radio frequency the :header-rows: 0 :stub-columns: 0 - - - .. row 1 - - - __u32 - - - ``index`` - - - :cspan:`1` Identifies the tuner, set by the application. - - - .. row 2 - - - __u8 - - - ``name``\ [32] - - - :cspan:`1` - - Name of the tuner, a NUL-terminated ASCII string. - - This information is intended for the user. - - - .. row 3 - - - __u32 - - - ``type`` - - - :cspan:`1` Type of the tuner, see :c:type:`v4l2_tuner_type`. - - - .. row 4 - - - __u32 - - - ``capability`` - - - :cspan:`1` - - Tuner capability flags, see :ref:`tuner-capability`. Audio flags - indicate the ability to decode audio subprograms. They will *not* - change, for example with the current video standard. - - When the structure refers to a radio tuner the - ``V4L2_TUNER_CAP_LANG1``, ``V4L2_TUNER_CAP_LANG2`` and - ``V4L2_TUNER_CAP_NORM`` flags can't be used. - - If multiple frequency bands are supported, then ``capability`` is - the union of all ``capability`` fields of each struct - :c:type:`v4l2_frequency_band`. - - - .. row 5 - - - __u32 - - - ``rangelow`` - - - :cspan:`1` The lowest tunable frequency in units of 62.5 kHz, or - if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units - of 62.5 Hz, or if the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` - is set, in units of 1 Hz. If multiple frequency bands are - supported, then ``rangelow`` is the lowest frequency of all the - frequency bands. - - - .. row 6 - - - __u32 - - - ``rangehigh`` - - - :cspan:`1` The highest tunable frequency in units of 62.5 kHz, - or if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in - units of 62.5 Hz, or if the ``capability`` flag - ``V4L2_TUNER_CAP_1HZ`` is set, in units of 1 Hz. If multiple - frequency bands are supported, then ``rangehigh`` is the highest - frequency of all the frequency bands. - - - .. row 7 - - - __u32 - - - ``rxsubchans`` - - - :cspan:`1` - - Some tuners or audio decoders can determine the received audio - subprograms by analyzing audio carriers, pilot tones or other - indicators. To pass this information drivers set flags defined in - :ref:`tuner-rxsubchans` in this field. For example: - - - .. row 8 - - - - - - - ``V4L2_TUNER_SUB_MONO`` - - - receiving mono audio - - - .. row 9 - - - - - - - ``STEREO | SAP`` - - - receiving stereo audio and a secondary audio program - - - .. row 10 - - - - - - - ``MONO | STEREO`` - - - receiving mono or stereo audio, the hardware cannot distinguish - - - .. row 11 - - - - - - - ``LANG1 | LANG2`` - - - receiving bilingual audio - - - .. row 12 - - - - - - - ``MONO | STEREO | LANG1 | LANG2`` - - - receiving mono, stereo or bilingual audio - - - .. row 13 - - - - - - - :cspan:`1` - - When the ``V4L2_TUNER_CAP_STEREO``, ``_LANG1``, ``_LANG2`` or - ``_SAP`` flag is cleared in the ``capability`` field, the - corresponding ``V4L2_TUNER_SUB_`` flag must not be set here. - - This field is valid only if this is the tuner of the current video - input, or when the structure refers to a radio tuner. - - - .. row 14 - - - __u32 - - - ``audmode`` - - - :cspan:`1` - - The selected audio mode, see :ref:`tuner-audmode` for valid - values. The audio mode does not affect audio subprogram detection, - and like a :ref:`control` it does not automatically - change unless the requested mode is invalid or unsupported. See - :ref:`tuner-matrix` for possible results when the selected and - received audio programs do not match. - - Currently this is the only field of struct - struct :c:type:`v4l2_tuner` applications can change. - - - .. row 15 - - - __u32 - - - ``signal`` - - - :cspan:`1` The signal strength if known. - - Ranging from 0 to 65535. Higher values indicate a better signal. - - - .. row 16 - - - __s32 - - - ``afc`` - - - :cspan:`1` Automatic frequency control. - - When the ``afc`` value is negative, the frequency is too - low, when positive too high. - - - .. row 17 - - - __u32 - - - ``reserved``\ [4] - - - :cspan:`1` Reserved for future extensions. - - Drivers and applications must set the array to zero. + * - __u32 + - ``index`` + - :cspan:`1` Identifies the tuner, set by the application. + * - __u8 + - ``name``\ [32] + - :cspan:`1` + + Name of the tuner, a NUL-terminated ASCII string. + + This information is intended for the user. + * - __u32 + - ``type`` + - :cspan:`1` Type of the tuner, see :c:type:`v4l2_tuner_type`. + * - __u32 + - ``capability`` + - :cspan:`1` + + Tuner capability flags, see :ref:`tuner-capability`. Audio flags + indicate the ability to decode audio subprograms. They will *not* + change, for example with the current video standard. + + When the structure refers to a radio tuner the + ``V4L2_TUNER_CAP_LANG1``, ``V4L2_TUNER_CAP_LANG2`` and + ``V4L2_TUNER_CAP_NORM`` flags can't be used. + + If multiple frequency bands are supported, then ``capability`` is + the union of all ``capability`` fields of each struct + :c:type:`v4l2_frequency_band`. + * - __u32 + - ``rangelow`` + - :cspan:`1` The lowest tunable frequency in units of 62.5 kHz, or + if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units + of 62.5 Hz, or if the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` + is set, in units of 1 Hz. If multiple frequency bands are + supported, then ``rangelow`` is the lowest frequency of all the + frequency bands. + * - __u32 + - ``rangehigh`` + - :cspan:`1` The highest tunable frequency in units of 62.5 kHz, + or if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in + units of 62.5 Hz, or if the ``capability`` flag + ``V4L2_TUNER_CAP_1HZ`` is set, in units of 1 Hz. If multiple + frequency bands are supported, then ``rangehigh`` is the highest + frequency of all the frequency bands. + * - __u32 + - ``rxsubchans`` + - :cspan:`1` + + Some tuners or audio decoders can determine the received audio + subprograms by analyzing audio carriers, pilot tones or other + indicators. To pass this information drivers set flags defined in + :ref:`tuner-rxsubchans` in this field. For example: + * - + - + - ``V4L2_TUNER_SUB_MONO`` + - receiving mono audio + * - + - + - ``STEREO | SAP`` + - receiving stereo audio and a secondary audio program + * - + - + - ``MONO | STEREO`` + - receiving mono or stereo audio, the hardware cannot distinguish + * - + - + - ``LANG1 | LANG2`` + - receiving bilingual audio + * - + - + - ``MONO | STEREO | LANG1 | LANG2`` + - receiving mono, stereo or bilingual audio + * - + - + - :cspan:`1` + + When the ``V4L2_TUNER_CAP_STEREO``, ``_LANG1``, ``_LANG2`` or + ``_SAP`` flag is cleared in the ``capability`` field, the + corresponding ``V4L2_TUNER_SUB_`` flag must not be set here. + + This field is valid only if this is the tuner of the current video + input, or when the structure refers to a radio tuner. + * - __u32 + - ``audmode`` + - :cspan:`1` + + The selected audio mode, see :ref:`tuner-audmode` for valid + values. The audio mode does not affect audio subprogram detection, + and like a :ref:`control` it does not automatically + change unless the requested mode is invalid or unsupported. See + :ref:`tuner-matrix` for possible results when the selected and + received audio programs do not match. + + Currently this is the only field of struct + struct :c:type:`v4l2_tuner` applications can change. + * - __u32 + - ``signal`` + - :cspan:`1` The signal strength if known. + + Ranging from 0 to 65535. Higher values indicate a better signal. + * - __s32 + - ``afc`` + - :cspan:`1` Automatic frequency control. + + When the ``afc`` value is negative, the frequency is too + low, when positive too high. + * - __u32 + - ``reserved``\ [4] + - :cspan:`1` Reserved for future extensions. + + Drivers and applications must set the array to zero. @@ -270,39 +192,19 @@ To change the radio frequency the :stub-columns: 0 :widths: 3 1 6 - - - .. row 1 - - - ``V4L2_TUNER_RADIO`` - - - 1 - - - Tuner supports radio - - - .. row 2 - - - ``V4L2_TUNER_ANALOG_TV`` - - - 2 - - - Tuner supports analog TV - - - .. row 3 - - - ``V4L2_TUNER_SDR`` - - - 4 - - - Tuner controls the A/D and/or D/A block of a - Sofware Digital Radio (SDR) - - - .. row 4 - - - ``V4L2_TUNER_RF`` - - - 5 - - - Tuner controls the RF part of a Sofware Digital Radio (SDR) + * - ``V4L2_TUNER_RADIO`` + - 1 + - Tuner supports radio + * - ``V4L2_TUNER_ANALOG_TV`` + - 2 + - Tuner supports analog TV + * - ``V4L2_TUNER_SDR`` + - 4 + - Tuner controls the A/D and/or D/A block of a + Sofware Digital Radio (SDR) + * - ``V4L2_TUNER_RF`` + - 5 + - Tuner controls the RF part of a Sofware Digital Radio (SDR) .. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| @@ -316,154 +218,84 @@ To change the radio frequency the :stub-columns: 0 :widths: 3 1 4 - - - .. row 1 - - - ``V4L2_TUNER_CAP_LOW`` - - - 0x0001 - - - When set, tuning frequencies are expressed in units of 62.5 Hz - instead of 62.5 kHz. - - - .. row 2 - - - ``V4L2_TUNER_CAP_NORM`` - - - 0x0002 - - - This is a multi-standard tuner; the video standard can or must be - switched. (B/G PAL tuners for example are typically not considered - multi-standard because the video standard is automatically - determined from the frequency band.) The set of supported video - standards is available from the struct - :c:type:`v4l2_input` pointing to this tuner, see the - description of ioctl :ref:`VIDIOC_ENUMINPUT` - for details. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this - capability. - - - .. row 3 - - - ``V4L2_TUNER_CAP_HWSEEK_BOUNDED`` - - - 0x0004 - - - If set, then this tuner supports the hardware seek functionality - where the seek stops when it reaches the end of the frequency - range. - - - .. row 4 - - - ``V4L2_TUNER_CAP_HWSEEK_WRAP`` - - - 0x0008 - - - If set, then this tuner supports the hardware seek functionality - where the seek wraps around when it reaches the end of the - frequency range. - - - .. row 5 - - - ``V4L2_TUNER_CAP_STEREO`` - - - 0x0010 - - - Stereo audio reception is supported. - - - .. row 6 - - - ``V4L2_TUNER_CAP_LANG1`` - - - 0x0040 - - - Reception of the primary language of a bilingual audio program is - supported. Bilingual audio is a feature of two-channel systems, - transmitting the primary language monaural on the main audio - carrier and a secondary language monaural on a second carrier. - Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability. - - - .. row 7 - - - ``V4L2_TUNER_CAP_LANG2`` - - - 0x0020 - - - Reception of the secondary language of a bilingual audio program - is supported. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this - capability. - - - .. row 8 - - - ``V4L2_TUNER_CAP_SAP`` - - - 0x0020 - - - Reception of a secondary audio program is supported. This is a - feature of the BTSC system which accompanies the NTSC video - standard. Two audio carriers are available for mono or stereo - transmissions of a primary language, and an independent third - carrier for a monaural secondary language. Only - ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability. - - .. note:: - - The ``V4L2_TUNER_CAP_LANG2`` and ``V4L2_TUNER_CAP_SAP`` - flags are synonyms. ``V4L2_TUNER_CAP_SAP`` applies when the tuner - supports the ``V4L2_STD_NTSC_M`` video standard. - - - .. row 9 - - - ``V4L2_TUNER_CAP_RDS`` - - - 0x0080 - - - RDS capture is supported. This capability is only valid for radio - tuners. - - - .. row 10 - - - ``V4L2_TUNER_CAP_RDS_BLOCK_IO`` - - - 0x0100 - - - The RDS data is passed as unparsed RDS blocks. - - - .. row 11 - - - ``V4L2_TUNER_CAP_RDS_CONTROLS`` - - - 0x0200 - - - The RDS data is parsed by the hardware and set via controls. - - - .. row 12 - - - ``V4L2_TUNER_CAP_FREQ_BANDS`` - - - 0x0400 - - - The :ref:`VIDIOC_ENUM_FREQ_BANDS` - ioctl can be used to enumerate the available frequency bands. - - - .. row 13 - - - ``V4L2_TUNER_CAP_HWSEEK_PROG_LIM`` - - - 0x0800 - - - The range to search when using the hardware seek functionality is - programmable, see - :ref:`VIDIOC_S_HW_FREQ_SEEK` for - details. - - - .. row 14 - - - ``V4L2_TUNER_CAP_1HZ`` - - - 0x1000 - - - When set, tuning frequencies are expressed in units of 1 Hz - instead of 62.5 kHz. + * - ``V4L2_TUNER_CAP_LOW`` + - 0x0001 + - When set, tuning frequencies are expressed in units of 62.5 Hz + instead of 62.5 kHz. + * - ``V4L2_TUNER_CAP_NORM`` + - 0x0002 + - This is a multi-standard tuner; the video standard can or must be + switched. (B/G PAL tuners for example are typically not considered + multi-standard because the video standard is automatically + determined from the frequency band.) The set of supported video + standards is available from the struct + :c:type:`v4l2_input` pointing to this tuner, see the + description of ioctl :ref:`VIDIOC_ENUMINPUT` + for details. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this + capability. + * - ``V4L2_TUNER_CAP_HWSEEK_BOUNDED`` + - 0x0004 + - If set, then this tuner supports the hardware seek functionality + where the seek stops when it reaches the end of the frequency + range. + * - ``V4L2_TUNER_CAP_HWSEEK_WRAP`` + - 0x0008 + - If set, then this tuner supports the hardware seek functionality + where the seek wraps around when it reaches the end of the + frequency range. + * - ``V4L2_TUNER_CAP_STEREO`` + - 0x0010 + - Stereo audio reception is supported. + * - ``V4L2_TUNER_CAP_LANG1`` + - 0x0040 + - Reception of the primary language of a bilingual audio program is + supported. Bilingual audio is a feature of two-channel systems, + transmitting the primary language monaural on the main audio + carrier and a secondary language monaural on a second carrier. + Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability. + * - ``V4L2_TUNER_CAP_LANG2`` + - 0x0020 + - Reception of the secondary language of a bilingual audio program + is supported. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this + capability. + * - ``V4L2_TUNER_CAP_SAP`` + - 0x0020 + - Reception of a secondary audio program is supported. This is a + feature of the BTSC system which accompanies the NTSC video + standard. Two audio carriers are available for mono or stereo + transmissions of a primary language, and an independent third + carrier for a monaural secondary language. Only + ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability. + + .. note:: + + The ``V4L2_TUNER_CAP_LANG2`` and ``V4L2_TUNER_CAP_SAP`` + flags are synonyms. ``V4L2_TUNER_CAP_SAP`` applies when the tuner + supports the ``V4L2_STD_NTSC_M`` video standard. + * - ``V4L2_TUNER_CAP_RDS`` + - 0x0080 + - RDS capture is supported. This capability is only valid for radio + tuners. + * - ``V4L2_TUNER_CAP_RDS_BLOCK_IO`` + - 0x0100 + - The RDS data is passed as unparsed RDS blocks. + * - ``V4L2_TUNER_CAP_RDS_CONTROLS`` + - 0x0200 + - The RDS data is parsed by the hardware and set via controls. + * - ``V4L2_TUNER_CAP_FREQ_BANDS`` + - 0x0400 + - The :ref:`VIDIOC_ENUM_FREQ_BANDS` + ioctl can be used to enumerate the available frequency bands. + * - ``V4L2_TUNER_CAP_HWSEEK_PROG_LIM`` + - 0x0800 + - The range to search when using the hardware seek functionality is + programmable, see + :ref:`VIDIOC_S_HW_FREQ_SEEK` for + details. + * - ``V4L2_TUNER_CAP_1HZ`` + - 0x1000 + - When set, tuning frequencies are expressed in units of 1 Hz + instead of 62.5 kHz. @@ -476,63 +308,33 @@ To change the radio frequency the :stub-columns: 0 :widths: 3 1 4 - - - .. row 1 - - - ``V4L2_TUNER_SUB_MONO`` - - - 0x0001 - - - The tuner receives a mono audio signal. - - - .. row 2 - - - ``V4L2_TUNER_SUB_STEREO`` - - - 0x0002 - - - The tuner receives a stereo audio signal. - - - .. row 3 - - - ``V4L2_TUNER_SUB_LANG1`` - - - 0x0008 - - - The tuner receives the primary language of a bilingual audio - signal. Drivers must clear this flag when the current video - standard is ``V4L2_STD_NTSC_M``. - - - .. row 4 - - - ``V4L2_TUNER_SUB_LANG2`` - - - 0x0004 - - - The tuner receives the secondary language of a bilingual audio - signal (or a second audio program). - - - .. row 5 - - - ``V4L2_TUNER_SUB_SAP`` - - - 0x0004 - - - The tuner receives a Second Audio Program. - - .. note:: - - The ``V4L2_TUNER_SUB_LANG2`` and ``V4L2_TUNER_SUB_SAP`` - flags are synonyms. The ``V4L2_TUNER_SUB_SAP`` flag applies - when the current video standard is ``V4L2_STD_NTSC_M``. - - - .. row 6 - - - ``V4L2_TUNER_SUB_RDS`` - - - 0x0010 - - - The tuner receives an RDS channel. + * - ``V4L2_TUNER_SUB_MONO`` + - 0x0001 + - The tuner receives a mono audio signal. + * - ``V4L2_TUNER_SUB_STEREO`` + - 0x0002 + - The tuner receives a stereo audio signal. + * - ``V4L2_TUNER_SUB_LANG1`` + - 0x0008 + - The tuner receives the primary language of a bilingual audio + signal. Drivers must clear this flag when the current video + standard is ``V4L2_STD_NTSC_M``. + * - ``V4L2_TUNER_SUB_LANG2`` + - 0x0004 + - The tuner receives the secondary language of a bilingual audio + signal (or a second audio program). + * - ``V4L2_TUNER_SUB_SAP`` + - 0x0004 + - The tuner receives a Second Audio Program. + + .. note:: + + The ``V4L2_TUNER_SUB_LANG2`` and ``V4L2_TUNER_SUB_SAP`` + flags are synonyms. The ``V4L2_TUNER_SUB_SAP`` flag applies + when the current video standard is ``V4L2_STD_NTSC_M``. + * - ``V4L2_TUNER_SUB_RDS`` + - 0x0010 + - The tuner receives an RDS channel. @@ -545,78 +347,48 @@ To change the radio frequency the :stub-columns: 0 :widths: 3 1 4 - - - .. row 1 - - - ``V4L2_TUNER_MODE_MONO`` - - - 0 - - - Play mono audio. When the tuner receives a stereo signal this a - down-mix of the left and right channel. When the tuner receives a - bilingual or SAP signal this mode selects the primary language. - - - .. row 2 - - - ``V4L2_TUNER_MODE_STEREO`` - - - 1 - - - Play stereo audio. When the tuner receives bilingual audio it may - play different languages on the left and right channel or the - primary language is played on both channels. - - Playing different languages in this mode is deprecated. New - drivers should do this only in ``MODE_LANG1_LANG2``. - - When the tuner receives no stereo signal or does not support - stereo reception the driver shall fall back to ``MODE_MONO``. - - - .. row 3 - - - ``V4L2_TUNER_MODE_LANG1`` - - - 3 - - - Play the primary language, mono or stereo. Only - ``V4L2_TUNER_ANALOG_TV`` tuners support this mode. - - - .. row 4 - - - ``V4L2_TUNER_MODE_LANG2`` - - - 2 - - - Play the secondary language, mono. When the tuner receives no - bilingual audio or SAP, or their reception is not supported the - driver shall fall back to mono or stereo mode. Only - ``V4L2_TUNER_ANALOG_TV`` tuners support this mode. - - - .. row 5 - - - ``V4L2_TUNER_MODE_SAP`` - - - 2 - - - Play the Second Audio Program. When the tuner receives no - bilingual audio or SAP, or their reception is not supported the - driver shall fall back to mono or stereo mode. Only - ``V4L2_TUNER_ANALOG_TV`` tuners support this mode. - - .. note:: The ``V4L2_TUNER_MODE_LANG2`` and ``V4L2_TUNER_MODE_SAP`` - are synonyms. - - - .. row 6 - - - ``V4L2_TUNER_MODE_LANG1_LANG2`` - - - 4 - - - Play the primary language on the left channel, the secondary - language on the right channel. When the tuner receives no - bilingual audio or SAP, it shall fall back to ``MODE_LANG1`` or - ``MODE_MONO``. Only ``V4L2_TUNER_ANALOG_TV`` tuners support this - mode. + * - ``V4L2_TUNER_MODE_MONO`` + - 0 + - Play mono audio. When the tuner receives a stereo signal this a + down-mix of the left and right channel. When the tuner receives a + bilingual or SAP signal this mode selects the primary language. + * - ``V4L2_TUNER_MODE_STEREO`` + - 1 + - Play stereo audio. When the tuner receives bilingual audio it may + play different languages on the left and right channel or the + primary language is played on both channels. + + Playing different languages in this mode is deprecated. New + drivers should do this only in ``MODE_LANG1_LANG2``. + + When the tuner receives no stereo signal or does not support + stereo reception the driver shall fall back to ``MODE_MONO``. + * - ``V4L2_TUNER_MODE_LANG1`` + - 3 + - Play the primary language, mono or stereo. Only + ``V4L2_TUNER_ANALOG_TV`` tuners support this mode. + * - ``V4L2_TUNER_MODE_LANG2`` + - 2 + - Play the secondary language, mono. When the tuner receives no + bilingual audio or SAP, or their reception is not supported the + driver shall fall back to mono or stereo mode. Only + ``V4L2_TUNER_ANALOG_TV`` tuners support this mode. + * - ``V4L2_TUNER_MODE_SAP`` + - 2 + - Play the Second Audio Program. When the tuner receives no + bilingual audio or SAP, or their reception is not supported the + driver shall fall back to mono or stereo mode. Only + ``V4L2_TUNER_ANALOG_TV`` tuners support this mode. + + .. note:: The ``V4L2_TUNER_MODE_LANG2`` and ``V4L2_TUNER_MODE_SAP`` + are synonyms. + * - ``V4L2_TUNER_MODE_LANG1_LANG2`` + - 4 + - Play the primary language on the left channel, the secondary + language on the right channel. When the tuner receives no + bilingual audio or SAP, it shall fall back to ``MODE_LANG1`` or + ``MODE_MONO``. Only ``V4L2_TUNER_ANALOG_TV`` tuners support this + mode. .. raw:: latex @@ -628,95 +400,44 @@ To change the radio frequency the :header-rows: 2 :stub-columns: 0 - - - .. row 1 - - - - - :cspan:`5` Selected ``V4L2_TUNER_MODE_`` - - - .. row 2 - - - Received ``V4L2_TUNER_SUB_`` - - - ``MONO`` - - - ``STEREO`` - - - ``LANG1`` - - - ``LANG2 = SAP`` - - - ``LANG1_LANG2``\ [#f1]_ - - - .. row 3 - - - ``MONO`` - - - Mono - - - Mono/Mono - - - Mono - - - Mono - - - Mono/Mono - - - .. row 4 - - - ``MONO | SAP`` - - - Mono - - - Mono/Mono - - - Mono - - - SAP - - - Mono/SAP (preferred) or Mono/Mono - - - .. row 5 - - - ``STEREO`` - - - L+R - - - L/R - - - Stereo L/R (preferred) or Mono L+R - - - Stereo L/R (preferred) or Mono L+R - - - L/R (preferred) or L+R/L+R - - - .. row 6 - - - ``STEREO | SAP`` - - - L+R - - - L/R - - - Stereo L/R (preferred) or Mono L+R - - - SAP - - - L+R/SAP (preferred) or L/R or L+R/L+R - - - .. row 7 - - - ``LANG1 | LANG2`` - - - Language 1 - - - Lang1/Lang2 (deprecated [#f2]_) or Lang1/Lang1 - - - Language 1 - - - Language 2 - - - Lang1/Lang2 (preferred) or Lang1/Lang1 + * - + - :cspan:`5` Selected ``V4L2_TUNER_MODE_`` + * - Received ``V4L2_TUNER_SUB_`` + - ``MONO`` + - ``STEREO`` + - ``LANG1`` + - ``LANG2 = SAP`` + - ``LANG1_LANG2``\ [#f1]_ + * - ``MONO`` + - Mono + - Mono/Mono + - Mono + - Mono + - Mono/Mono + * - ``MONO | SAP`` + - Mono + - Mono/Mono + - Mono + - SAP + - Mono/SAP (preferred) or Mono/Mono + * - ``STEREO`` + - L+R + - L/R + - Stereo L/R (preferred) or Mono L+R + - Stereo L/R (preferred) or Mono L+R + - L/R (preferred) or L+R/L+R + * - ``STEREO | SAP`` + - L+R + - L/R + - Stereo L/R (preferred) or Mono L+R + - SAP + - L+R/SAP (preferred) or L/R or L+R/L+R + * - ``LANG1 | LANG2`` + - Language 1 + - Lang1/Lang2 (deprecated [#f2]_) or Lang1/Lang1 + - Language 1 + - Language 2 + - Lang1/Lang2 (preferred) or Lang1/Lang1 .. raw:: latex |