On 07/11/2016 05:14 PM, Jean-Christophe Trotin wrote:
> This patch adds the H.264 video encoding capability in the V4L2 HVA
> video encoder driver for STMicroelectronics SoC (hva-h264.c).
>
> The main supported features are:
> - profile: baseline, main, high, stereo high
> - level: up to 4.2
> - bitrate mode: CBR, VBR
> - entropy mode: CABAC, CAVLC
> - video aspect: 1x1 only
>
> Signed-off-by: Yannick Fertre <yannick.fer...@st.com>
> Signed-off-by: Jean-Christophe Trotin <jean-christophe.tro...@st.com>
> ---
> drivers/media/platform/sti/hva/Makefile | 2 +-
> drivers/media/platform/sti/hva/hva-h264.c | 1053
> +++++++++++++++++++++++++++++
> drivers/media/platform/sti/hva/hva-v4l2.c | 107 ++-
> drivers/media/platform/sti/hva/hva.h | 115 +++-
> 4 files changed, 1270 insertions(+), 7 deletions(-)
> create mode 100644 drivers/media/platform/sti/hva/hva-h264.c
>
<snip>
> diff --git a/drivers/media/platform/sti/hva/hva.h
> b/drivers/media/platform/sti/hva/hva.h
> index 9a1b503b..a81f313 100644
> --- a/drivers/media/platform/sti/hva/hva.h
> +++ b/drivers/media/platform/sti/hva/hva.h
> @@ -23,6 +23,9 @@
>
> #define HVA_PREFIX "[---:----]"
>
> +extern const struct hva_enc nv12h264enc;
> +extern const struct hva_enc nv21h264enc;
> +
> /**
> * struct hva_frameinfo - information about hva frame
> *
> @@ -67,13 +70,35 @@ struct hva_streaminfo {
> * @gop_size: groupe of picture size
> * @bitrate: bitrate (in kbps)
> * @aspect: video aspect
> + * @profile: H.264 profile
> + * @level: H.264 level
> + * @entropy_mode: H.264 entropy mode (CABAC or CVLC)
> + * @cpb_size: coded picture buffer size (in kbps)
> + * @dct8x8: transform mode 8x8 enable
> + * @qpmin: minimum quantizer
> + * @qpmax: maximum quantizer
> + * @vui_sar: pixel aspect ratio enable
> + * @vui_sar_idc: pixel aspect ratio identifier
> + * @sei_fp: sei frame packing arrangement enable
> + * @sei_fp_type: sei frame packing arrangement type
> */
> struct hva_controls {
> - struct v4l2_fract time_per_frame;
> - enum v4l2_mpeg_video_bitrate_mode bitrate_mode;
> - u32 gop_size;
> - u32 bitrate;
> - enum v4l2_mpeg_video_aspect aspect;
> + struct v4l2_fract time_per_frame;
> + enum v4l2_mpeg_video_bitrate_mode bitrate_mode;
> + u32 gop_size;
> + u32 bitrate;
> + enum v4l2_mpeg_video_aspect aspect;
> + enum v4l2_mpeg_video_h264_profile profile;
> + enum v4l2_mpeg_video_h264_level level;
> + enum v4l2_mpeg_video_h264_entropy_mode entropy_mode;
> + u32 cpb_size;
> + bool dct8x8;
> + u32 qpmin;
> + u32 qpmax;
> + bool vui_sar;
> + enum v4l2_mpeg_video_h264_vui_sar_idc vui_sar_idc;
> + bool sei_fp;
> + enum v4l2_mpeg_video_h264_sei_fp_arrangement_type sei_fp_type;
> };
>
> /**
> @@ -281,4 +306,84 @@ struct hva_enc {
> struct hva_stream *stream);
> };
>
> +static inline const char *profile_str(unsigned int p)
> +{
> + switch (p) {
> + case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
> + return "baseline profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
> + return "main profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED:
> + return "extended profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
> + return "high profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10:
> + return "high 10 profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422:
> + return "high 422 profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE:
> + return "high 444 predictive profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA:
> + return "high 10 intra profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA:
> + return "high 422 intra profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA:
> + return "high 444 intra profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA:
> + return "calvc 444 intra profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE:
> + return "scalable baseline profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH:
> + return "scalable high profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA:
> + return "scalable high intra profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH:
> + return "stereo high profile";
> + case V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH:
> + return "multiview high profile";
> + default:
> + return "unknown profile";
> + }
> +}
> +
> +static inline const char *level_str(enum v4l2_mpeg_video_h264_level l)
> +{
> + switch (l) {
> + case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
> + return "level 1.0";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
> + return "level 1b";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
> + return "level 1.1";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
> + return "level 1.2";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
> + return "level 1.3";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
> + return "level 2.0";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
> + return "level 2.1";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
> + return "level 2.2";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
> + return "level 3.0";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
> + return "level 3.1";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
> + return "level 3.2";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
> + return "level 4.0";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
> + return "level 4.1";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
> + return "level 4.2";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
> + return "level 5.0";
> + case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
> + return "level 5.1";
> + default:
> + return "unknown level";
> + }
> +}
These two static inlines should be replaced. You can get the menu strings
directly
with v4l2_ctrl_get_menu(). No need to duplicate these strings here.
Regards,
Hans
> +
> #endif /* HVA_H */
>
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