From patchwork Fri Oct 13 08:31:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 733721 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6BA1ECDB47E for ; Fri, 13 Oct 2023 09:14:06 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 6717DDEB; Fri, 13 Oct 2023 11:13:14 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 6717DDEB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1697188444; bh=ehwpctJDPBBX3ITxR0/Ex73vjxctNK6gTR+v64S3GjY=; h=From:To:Subject:Date:In-Reply-To:References:List-Id:List-Archive: List-Help:List-Owner:List-Post:List-Subscribe:List-Unsubscribe: From; b=nX1ZSFquqxEpKTA2oO9U34a7EJacDwOWmfBbZg3z/HWrUa1BvFiC1GDpJMwYO3YVM NTJZabwMdJiU3eDbw3+8nutPmOED3Wdi2eAO9BZblKCYjiyXzAxCBiq/HxSCCZ5EyE mYbz65rolb6HF4EAOi52+Dn0Zkw6NoQHTr/IfiWk= Received: by alsa1.perex.cz (Postfix, from userid 50401) id D74DCF8057D; Fri, 13 Oct 2023 11:12:17 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 37A6FF8055A; Fri, 13 Oct 2023 11:12:17 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id D8A78F80558; Fri, 13 Oct 2023 11:09:28 +0200 (CEST) Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 929E8F80553 for ; Fri, 13 Oct 2023 11:09:11 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 929E8F80553 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 3080D1A1565; Fri, 13 Oct 2023 11:09:11 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id BF7001A19E5; Fri, 13 Oct 2023 11:09:10 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id C9F991802200; Fri, 13 Oct 2023 17:09:08 +0800 (+08) From: Shengjiu Wang To: hverkuil@xs4all.nl, sakari.ailus@iki.fi, tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH v6 08/11] media: uapi: define audio sample format fourcc type Date: Fri, 13 Oct 2023 16:31:02 +0800 Message-Id: <1697185865-27528-9-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1697185865-27528-1-git-send-email-shengjiu.wang@nxp.com> References: <1697185865-27528-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Message-ID-Hash: RL53ZG2QNWYV62YG4SXI6RB33OB4PUAH X-Message-ID-Hash: RL53ZG2QNWYV62YG4SXI6RB33OB4PUAH X-MailFrom: shengjiu.wang@nxp.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: The audio sample format definition is from alsa, the header file is include/uapi/sound/asound.h, but don't include this header file directly, because in user space, there is another copy in alsa-lib. There will be conflict in userspace for include videodev2.h & asound.h and asoundlib.h Here still use the fourcc format. Signed-off-by: Shengjiu Wang --- .../userspace-api/media/v4l/pixfmt-audio.rst | 202 ++++++++++++++++++ .../userspace-api/media/v4l/pixfmt.rst | 1 + drivers/media/v4l2-core/v4l2-ioctl.c | 36 ++++ include/uapi/linux/videodev2.h | 48 +++++ 4 files changed, 287 insertions(+) create mode 100644 Documentation/userspace-api/media/v4l/pixfmt-audio.rst diff --git a/Documentation/userspace-api/media/v4l/pixfmt-audio.rst b/Documentation/userspace-api/media/v4l/pixfmt-audio.rst new file mode 100644 index 000000000000..ac89b2c4b594 --- /dev/null +++ b/Documentation/userspace-api/media/v4l/pixfmt-audio.rst @@ -0,0 +1,202 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later + +.. _pixfmt-audio: + +************* +Audio Formats +************* + +These formats are used for :ref:`audiomem2mem` interface only. + +.. tabularcolumns:: |p{5.8cm}|p{1.2cm}|p{10.3cm}| + +.. cssclass:: longtable + +.. flat-table:: Audio Format + :header-rows: 1 + :stub-columns: 0 + :widths: 3 1 4 + + * - Identifier + - Code + - Details + * .. _V4L2-AUDIO-FMT-S8: + + - ``V4L2_AUDIO_FMT_S8`` + - 'S8' + - Corresponds to SNDRV_PCM_FORMAT_S8 in ALSA + * .. _V4L2-AUDIO-FMT-U8: + + - ``V4L2_AUDIO_FMT_U8`` + - 'U8' + - Corresponds to SNDRV_PCM_FORMAT_U8 in ALSA + * .. _V4L2-AUDIO-FMT-S16-LE: + + - ``V4L2_AUDIO_FMT_S16_LE`` + - 'S16_LE' + - Corresponds to SNDRV_PCM_FORMAT_S16_LE in ALSA + * .. _V4L2-AUDIO-FMT-S16-BE: + + - ``V4L2_AUDIO_FMT_S16_BE`` + - 'S16_BE' + - Corresponds to SNDRV_PCM_FORMAT_S16_BE in ALSA + * .. _V4L2-AUDIO-FMT-U16-LE: + + - ``V4L2_AUDIO_FMT_U16_LE`` + - 'U16_LE' + - Corresponds to SNDRV_PCM_FORMAT_U16_LE in ALSA + * .. _V4L2-AUDIO-FMT-U16-BE: + + - ``V4L2_AUDIO_FMT_U16_BE`` + - 'U16_BE' + - Corresponds to SNDRV_PCM_FORMAT_U16_BE in ALSA + * .. _V4L2-AUDIO-FMT-S24-LE: + + - ``V4L2_AUDIO_FMT_S24_LE`` + - 'S24_LE' + - Corresponds to SNDRV_PCM_FORMAT_S24_LE in ALSA + * .. _V4L2-AUDIO-FMT-S24-BE: + + - ``V4L2_AUDIO_FMT_S24_BE`` + - 'S24_BE' + - Corresponds to SNDRV_PCM_FORMAT_S24_BE in ALSA + * .. _V4L2-AUDIO-FMT-U24-LE: + + - ``V4L2_AUDIO_FMT_U24_LE`` + - 'U24_LE' + - Corresponds to SNDRV_PCM_FORMAT_U24_LE in ALSA + * .. _V4L2-AUDIO-FMT-U24-BE: + + - ``V4L2_AUDIO_FMT_U24_BE`` + - 'U24_BE' + - Corresponds to SNDRV_PCM_FORMAT_U24_BE in ALSA + * .. _V4L2-AUDIO-FMT-S32-LE: + + - ``V4L2_AUDIO_FMT_S32_LE`` + - 'S32_LE' + - Corresponds to SNDRV_PCM_FORMAT_S32_LE in ALSA + * .. _V4L2-AUDIO-FMT-S32-BE: + + - ``V4L2_AUDIO_FMT_S32_BE`` + - 'S32_BE' + - Corresponds to SNDRV_PCM_FORMAT_S32_BE in ALSA + * .. _V4L2-AUDIO-FMT-U32-LE: + + - ``V4L2_AUDIO_FMT_U32_LE`` + - 'U32_LE' + - Corresponds to SNDRV_PCM_FORMAT_U32_LE in ALSA + * .. _V4L2-AUDIO-FMT-U32-BE: + + - ``V4L2_AUDIO_FMT_U32_BE`` + - 'U32_BE' + - Corresponds to SNDRV_PCM_FORMAT_U32_BE in ALSA + * .. _V4L2-AUDIO-FMT-FLOAT-LE: + + - ``V4L2_AUDIO_FMT_FLOAT_LE`` + - 'FLOAT_LE' + - Corresponds to SNDRV_PCM_FORMAT_FLOAT_LE in ALSA + * .. _V4L2-AUDIO-FMT-FLOAT-BE: + + - ``V4L2_AUDIO_FMT_FLOAT_BE`` + - 'FLOAT_BE' + - Corresponds to SNDRV_PCM_FORMAT_FLOAT_BE in ALSA + * .. _V4L2-AUDIO-FMT-FLOAT64-LE: + + - ``V4L2_AUDIO_FMT_FLOAT64_LE`` + - 'FLOAT64_LE' + - Corresponds to SNDRV_PCM_FORMAT_FLOAT64_LE in ALSA + * .. _V4L2-AUDIO-FMT-FLOAT64-BE: + + - ``V4L2_AUDIO_FMT_FLOAT64_BE`` + - 'FLOAT64_BE' + - Corresponds to SNDRV_PCM_FORMAT_FLOAT64_BE in ALSA + * .. _V4L2-AUDIO-FMT-IEC958-SUBFRAME-LE: + + - ``V4L2_AUDIO_FMT_IEC958_SUBFRAME_LE`` + - 'IEC958_SUBFRAME_LE' + - Corresponds to SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE in ALSA + * .. _V4L2-AUDIO-FMT-IEC958-SUBFRAME-BE: + + - ``V4L2_AUDIO_FMT_IEC958_SUBFRAME_BE`` + - 'IEC958_SUBFRAME_BE' + - Corresponds to SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE in ALSA + * .. _V4L2-AUDIO-FMT-S20-LE: + + - ``V4L2_AUDIO_FMT_S20_LE`` + - 'S20_LE' + - Corresponds to SNDRV_PCM_FORMAT_S20_LE in ALSA + * .. _V4L2-AUDIO-FMT-S20-BE: + + - ``V4L2_AUDIO_FMT_S20_BE`` + - 'S20_BE' + - Corresponds to SNDRV_PCM_FORMAT_S20_BE in ALSA + * .. _V4L2-AUDIO-FMT-U20-LE: + + - ``V4L2_AUDIO_FMT_U20_LE`` + - 'U20_LE' + - Corresponds to SNDRV_PCM_FORMAT_U20_LE in ALSA + * .. _V4L2-AUDIO-FMT-U20-BE: + + - ``V4L2_AUDIO_FMT_U20_BE`` + - 'U20_BE' + - Corresponds to SNDRV_PCM_FORMAT_U20_BE in ALSA + * .. _V4L2-AUDIO-FMT-S24-3LE: + + - ``V4L2_AUDIO_FMT_S24_3LE`` + - 'S24_3LE' + - Corresponds to SNDRV_PCM_FORMAT_S24_3LE in ALSA + * .. _V4L2-AUDIO-FMT-S24-3BE: + + - ``V4L2_AUDIO_FMT_S24_3BE`` + - 'S24_3BE' + - Corresponds to SNDRV_PCM_FORMAT_S24_3BE in ALSA + * .. _V4L2-AUDIO-FMT-U24-3LE: + + - ``V4L2_AUDIO_FMT_U24_3LE`` + - 'U24_3LE' + - Corresponds to SNDRV_PCM_FORMAT_U24_3LE in ALSA + * .. _V4L2-AUDIO-FMT-U24-3BE: + + - ``V4L2_AUDIO_FMT_U24_3BE`` + - 'U24_3BE' + - Corresponds to SNDRV_PCM_FORMAT_U24_3BE in ALSA + * .. _V4L2-AUDIO-FMT-S20-3LE: + + - ``V4L2_AUDIO_FMT_S20_3LE`` + - 'S20_3LE' + - Corresponds to SNDRV_PCM_FORMAT_S24_3LE in ALSA + * .. _V4L2-AUDIO-FMT-S20-3BE: + + - ``V4L2_AUDIO_FMT_S20_3BE`` + - 'S20_3BE' + - Corresponds to SNDRV_PCM_FORMAT_S20_3BE in ALSA + * .. _V4L2-AUDIO-FMT-U20-3LE: + + - ``V4L2_AUDIO_FMT_U20_3LE`` + - 'U20_3LE' + - Corresponds to SNDRV_PCM_FORMAT_U20_3LE in ALSA + * .. _V4L2-AUDIO-FMT-U20-3BE: + + - ``V4L2_AUDIO_FMT_U20_3BE`` + - 'U20_3BE' + - Corresponds to SNDRV_PCM_FORMAT_U20_3BE in ALSA + * .. _V4L2-AUDIO-FMT-S18-3LE: + + - ``V4L2_AUDIO_FMT_S18_3LE`` + - 'S18_3LE' + - Corresponds to SNDRV_PCM_FORMAT_S18_3LE in ALSA + * .. _V4L2-AUDIO-FMT-S18-3BE: + + - ``V4L2_AUDIO_FMT_S18_3BE`` + - 'S18_3BE' + - Corresponds to SNDRV_PCM_FORMAT_S18_3BE in ALSA + * .. _V4L2-AUDIO-FMT-U18-3LE: + + - ``V4L2_AUDIO_FMT_U18_3LE`` + - 'U18_3LE' + - Corresponds to SNDRV_PCM_FORMAT_U18_3LE in ALSA + * .. _V4L2-AUDIO-FMT-U18-3BE: + + - ``V4L2_AUDIO_FMT_U18_3BE`` + - 'U18_3BE' + - Corresponds to SNDRV_PCM_FORMAT_U18_3BE in ALSA diff --git a/Documentation/userspace-api/media/v4l/pixfmt.rst b/Documentation/userspace-api/media/v4l/pixfmt.rst index 11dab4a90630..2eb6fdd3b43d 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt.rst @@ -36,3 +36,4 @@ see also :ref:`VIDIOC_G_FBUF `.) colorspaces colorspaces-defs colorspaces-details + pixfmt-audio diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 5d088e6c43e4..31e443c644db 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1471,6 +1471,42 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_Y210: descr = "10-bit YUYV Packed"; break; case V4L2_PIX_FMT_Y212: descr = "12-bit YUYV Packed"; break; case V4L2_PIX_FMT_Y216: descr = "16-bit YUYV Packed"; break; + case V4L2_AUDIO_FMT_S8: descr = "8-bit Signed"; break; + case V4L2_AUDIO_FMT_U8: descr = "8-bit Unsigned"; break; + case V4L2_AUDIO_FMT_S16_LE: descr = "16-bit Signed LE"; break; + case V4L2_AUDIO_FMT_S16_BE: descr = "16-bit Signed BE"; break; + case V4L2_AUDIO_FMT_U16_LE: descr = "16-bit Unsigned LE"; break; + case V4L2_AUDIO_FMT_U16_BE: descr = "16-bit Unsigned BE"; break; + case V4L2_AUDIO_FMT_S24_LE: descr = "24(32)-bit Signed LE"; break; + case V4L2_AUDIO_FMT_S24_BE: descr = "24(32)-bit Signed BE"; break; + case V4L2_AUDIO_FMT_U24_LE: descr = "24(32)-bit Unsigned LE"; break; + case V4L2_AUDIO_FMT_U24_BE: descr = "24(32)-bit Unsigned BE"; break; + case V4L2_AUDIO_FMT_S32_LE: descr = "32-bit Signed LE"; break; + case V4L2_AUDIO_FMT_S32_BE: descr = "32-bit Signed BE"; break; + case V4L2_AUDIO_FMT_U32_LE: descr = "32-bit Unsigned LE"; break; + case V4L2_AUDIO_FMT_U32_BE: descr = "32-bit Unsigned BE"; break; + case V4L2_AUDIO_FMT_FLOAT_LE: descr = "32-bit Float LE"; break; + case V4L2_AUDIO_FMT_FLOAT_BE: descr = "32-bit Float BE"; break; + case V4L2_AUDIO_FMT_FLOAT64_LE: descr = "64-bit Float LE"; break; + case V4L2_AUDIO_FMT_FLOAT64_BE: descr = "64-bit Float BE"; break; + case V4L2_AUDIO_FMT_IEC958_SUBFRAME_LE: descr = "32-bit IEC958 LE"; break; + case V4L2_AUDIO_FMT_IEC958_SUBFRAME_BE: descr = "32-bit IEC958 BE"; break; + case V4L2_AUDIO_FMT_S20_LE: descr = "20-bit Signed LE"; break; + case V4L2_AUDIO_FMT_S20_BE: descr = "20-bit Signed BE"; break; + case V4L2_AUDIO_FMT_U20_LE: descr = "20-bit Unsigned LE"; break; + case V4L2_AUDIO_FMT_U20_BE: descr = "20-bit Unsigned BE"; break; + case V4L2_AUDIO_FMT_S24_3LE: descr = "24(24)-bit Signed LE"; break; + case V4L2_AUDIO_FMT_S24_3BE: descr = "24(24)-bit Signed BE"; break; + case V4L2_AUDIO_FMT_U24_3LE: descr = "24(24)-bit Unsigned LE"; break; + case V4L2_AUDIO_FMT_U24_3BE: descr = "24(24)-bit Unsigned BE"; break; + case V4L2_AUDIO_FMT_S20_3LE: descr = "20(24)-bit Signed LE"; break; + case V4L2_AUDIO_FMT_S20_3BE: descr = "20(24)-bit Signed BE"; break; + case V4L2_AUDIO_FMT_U20_3LE: descr = "20(24)-bit Unsigned LE"; break; + case V4L2_AUDIO_FMT_U20_3BE: descr = "20(24)-bit Unsigned BE"; break; + case V4L2_AUDIO_FMT_S18_3LE: descr = "18(24)-bit Signed LE"; break; + case V4L2_AUDIO_FMT_S18_3BE: descr = "18(24)-bit Signed BE"; break; + case V4L2_AUDIO_FMT_U18_3LE: descr = "18(24)-bit Unsigned LE"; break; + case V4L2_AUDIO_FMT_U18_3BE: descr = "18(24)-bit Unsigned BE"; break; default: /* Compressed formats */ diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index b0ddb7319d36..2ac7b989394c 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -842,6 +842,54 @@ struct v4l2_pix_format { #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ +/* + * Audio-data formats + * All these audio formats use a fourcc starting with 'AU' + * followed by the SNDRV_PCM_FORMAT_ value from asound.h. + */ +#define V4L2_AUDIO_FMT_S8 v4l2_fourcc('A', 'U', '0', '0') +#define V4L2_AUDIO_FMT_U8 v4l2_fourcc('A', 'U', '0', '1') +#define V4L2_AUDIO_FMT_S16_LE v4l2_fourcc('A', 'U', '0', '2') +#define V4L2_AUDIO_FMT_S16_BE v4l2_fourcc('A', 'U', '0', '3') +#define V4L2_AUDIO_FMT_U16_LE v4l2_fourcc('A', 'U', '0', '4') +#define V4L2_AUDIO_FMT_U16_BE v4l2_fourcc('A', 'U', '0', '5') +#define V4L2_AUDIO_FMT_S24_LE v4l2_fourcc('A', 'U', '0', '6') +#define V4L2_AUDIO_FMT_S24_BE v4l2_fourcc('A', 'U', '0', '7') +#define V4L2_AUDIO_FMT_U24_LE v4l2_fourcc('A', 'U', '0', '8') +#define V4L2_AUDIO_FMT_U24_BE v4l2_fourcc('A', 'U', '0', '9') + +#define V4L2_AUDIO_FMT_S32_LE v4l2_fourcc('A', 'U', '1', '0') +#define V4L2_AUDIO_FMT_S32_BE v4l2_fourcc('A', 'U', '1', '1') +#define V4L2_AUDIO_FMT_U32_LE v4l2_fourcc('A', 'U', '1', '2') +#define V4L2_AUDIO_FMT_U32_BE v4l2_fourcc('A', 'U', '1', '3') +#define V4L2_AUDIO_FMT_FLOAT_LE v4l2_fourcc('A', 'U', '1', '4') +#define V4L2_AUDIO_FMT_FLOAT_BE v4l2_fourcc('A', 'U', '1', '5') +#define V4L2_AUDIO_FMT_FLOAT64_LE v4l2_fourcc('A', 'U', '1', '6') +#define V4L2_AUDIO_FMT_FLOAT64_BE v4l2_fourcc('A', 'U', '1', '7') +#define V4L2_AUDIO_FMT_IEC958_SUBFRAME_LE v4l2_fourcc('A', 'U', '1', '8') +#define V4L2_AUDIO_FMT_IEC958_SUBFRAME_BE v4l2_fourcc('A', 'U', '1', '9') + +#define V4L2_AUDIO_FMT_S20_LE v4l2_fourcc('A', 'U', '2', '5') +#define V4L2_AUDIO_FMT_S20_BE v4l2_fourcc('A', 'U', '2', '6') +#define V4L2_AUDIO_FMT_U20_LE v4l2_fourcc('A', 'U', '2', '7') +#define V4L2_AUDIO_FMT_U20_BE v4l2_fourcc('A', 'U', '2', '8') + +#define V4L2_AUDIO_FMT_S24_3LE v4l2_fourcc('A', 'U', '3', '2') +#define V4L2_AUDIO_FMT_S24_3BE v4l2_fourcc('A', 'U', '3', '3') +#define V4L2_AUDIO_FMT_U24_3LE v4l2_fourcc('A', 'U', '3', '4') +#define V4L2_AUDIO_FMT_U24_3BE v4l2_fourcc('A', 'U', '3', '5') +#define V4L2_AUDIO_FMT_S20_3LE v4l2_fourcc('A', 'U', '3', '6') +#define V4L2_AUDIO_FMT_S20_3BE v4l2_fourcc('A', 'U', '3', '7') +#define V4L2_AUDIO_FMT_U20_3LE v4l2_fourcc('A', 'U', '3', '8') +#define V4L2_AUDIO_FMT_U20_3BE v4l2_fourcc('A', 'U', '3', '9') +#define V4L2_AUDIO_FMT_S18_3LE v4l2_fourcc('A', 'U', '4', '0') +#define V4L2_AUDIO_FMT_S18_3BE v4l2_fourcc('A', 'U', '4', '1') +#define V4L2_AUDIO_FMT_U18_3LE v4l2_fourcc('A', 'U', '4', '2') +#define V4L2_AUDIO_FMT_U18_3BE v4l2_fourcc('A', 'U', '4', '3') + +#define v4l2_fourcc_to_audfmt(X) \ + (((((X) >> 16) & 0xFF) - '0') * 10 + ((((X) >> 24) & 0xFF) - '0')) + /* priv field value to indicates that subsequent fields are valid. */ #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe