[02/10] v4l-utils: add v4l-audio support to helper headers

Commit Message

Hans Verkuil Jan. 17, 2024, 3:02 p.m. UTC

Add v4l-audio support to helper headers.

Signed-off-by: Hans Verkuil <[e-mail]>
---
 utils/common/cv4l-helpers.h |  4 ++++
 utils/common/v4l-helpers.h  | 44 +++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

Patch

diff --git a/utils/common/cv4l-helpers.h b/utils/common/cv4l-helpers.h
index 77c6517a..f4fc71d6 100644
--- a/utils/common/cv4l-helpers.h
+++ b/utils/common/cv4l-helpers.h
@@ -81,6 +81,10 @@  public:
 	bool has_touch() const { return v4l_has_touch(this); }
 	bool has_meta_cap() const { return v4l_has_meta_cap(this); }
 	bool has_meta_out() const { return v4l_has_meta_out(this); }
+	bool has_audio_cap() const { return v4l_has_audio_cap(this); }
+	bool has_audio_out() const { return v4l_has_audio_out(this); }
+	bool has_audio_m2m() const { return v4l_has_audio_m2m(this); }
+	bool has_m2m() const { return v4l_has_m2m(this); }
 	bool has_hwseek() const { return v4l_has_hwseek(this); }
 	bool has_rw() const { return v4l_has_rw(this); }
 	bool has_streaming() const { return v4l_has_streaming(this); }
diff --git a/utils/common/v4l-helpers.h b/utils/common/v4l-helpers.h
index 7387b621..650220e6 100644
--- a/utils/common/v4l-helpers.h
+++ b/utils/common/v4l-helpers.h
@@ -405,6 +405,26 @@  static inline bool v4l_has_touch(const struct v4l_fd *f)
 	return v4l_g_caps(f) & V4L2_CAP_TOUCH;
 }
 
+static inline bool v4l_has_audio_cap(const struct v4l_fd *f)
+{
+	return v4l_g_caps(f) & V4L2_CAP_AUDIO_M2M;
+}
+
+static inline bool v4l_has_audio_out(const struct v4l_fd *f)
+{
+	return v4l_g_caps(f) & V4L2_CAP_AUDIO_M2M;
+}
+
+static inline bool v4l_has_audio_m2m(const struct v4l_fd *f)
+{
+	return v4l_g_caps(f) & V4L2_CAP_AUDIO_M2M;
+}
+
+static inline bool v4l_has_m2m(const struct v4l_fd *f)
+{
+	return v4l_has_vid_m2m(f) || v4l_has_audio_m2m(f);
+}
+
 static inline bool v4l_has_hwseek(const struct v4l_fd *f)
 {
 	return v4l_g_caps(f) & V4L2_CAP_HW_FREQ_SEEK;
@@ -450,6 +470,10 @@  static inline __u32 v4l_determine_type(const struct v4l_fd *f)
 		return V4L2_BUF_TYPE_META_CAPTURE;
 	if (v4l_has_meta_out(f))
 		return V4L2_BUF_TYPE_META_OUTPUT;
+	if (v4l_has_audio_cap(f))
+		return V4L2_BUF_TYPE_AUDIO_CAPTURE;
+	if (v4l_has_audio_out(f))
+		return V4L2_BUF_TYPE_AUDIO_OUTPUT;
 
 	return 0;
 }
@@ -704,6 +728,10 @@  static inline void v4l_format_s_pixelformat(struct v4l2_format *fmt, __u32 pixel
 	case V4L2_BUF_TYPE_META_OUTPUT:
 		fmt->fmt.meta.dataformat = pixelformat;
 		break;
+	case V4L2_BUF_TYPE_AUDIO_CAPTURE:
+	case V4L2_BUF_TYPE_AUDIO_OUTPUT:
+		fmt->fmt.audio.audioformat = pixelformat;
+		break;
 	}
 }
 
@@ -725,6 +753,9 @@  static inline __u32 v4l_format_g_pixelformat(const struct v4l2_format *fmt)
 	case V4L2_BUF_TYPE_META_CAPTURE:
 	case V4L2_BUF_TYPE_META_OUTPUT:
 		return fmt->fmt.meta.dataformat;
+	case V4L2_BUF_TYPE_AUDIO_CAPTURE:
+	case V4L2_BUF_TYPE_AUDIO_OUTPUT:
+		return fmt->fmt.audio.audioformat;
 	default:
 		return 0;
 	}
@@ -1066,6 +1097,9 @@  v4l_format_g_sizeimage(const struct v4l2_format *fmt, unsigned plane)
 	case V4L2_BUF_TYPE_META_CAPTURE:
 	case V4L2_BUF_TYPE_META_OUTPUT:
 		return plane ? 0 : fmt->fmt.meta.buffersize;
+	case V4L2_BUF_TYPE_AUDIO_CAPTURE:
+	case V4L2_BUF_TYPE_AUDIO_OUTPUT:
+		return plane ? 0 : fmt->fmt.audio.buffersize;
 	default:
 		return 0;
 	}
@@ -1190,12 +1224,22 @@  static inline bool v4l_type_is_meta(unsigned type)
 	       type == V4L2_BUF_TYPE_META_OUTPUT;
 }
 
+static inline bool v4l_type_is_audio(unsigned type)
+{
+	return type == V4L2_BUF_TYPE_AUDIO_CAPTURE ||
+	       type == V4L2_BUF_TYPE_AUDIO_OUTPUT;
+}
+
 static inline unsigned v4l_type_invert(unsigned type)
 {
 	if (v4l_type_is_planar(type))
 		return v4l_type_is_output(type) ?
 			V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE :
 			V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	if (v4l_type_is_audio(type))
+		return v4l_type_is_output(type) ?
+			V4L2_BUF_TYPE_AUDIO_CAPTURE :
+			V4L2_BUF_TYPE_AUDIO_OUTPUT;
 	return v4l_type_is_output(type) ?
 		V4L2_BUF_TYPE_VIDEO_CAPTURE :
 		V4L2_BUF_TYPE_VIDEO_OUTPUT;