diff options
Diffstat (limited to 'drivers/media/platform/amphion/vpu_helpers.c')
| -rw-r--r-- | drivers/media/platform/amphion/vpu_helpers.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/media/platform/amphion/vpu_helpers.c b/drivers/media/platform/amphion/vpu_helpers.c index d12310af9ebc..886d5632388e 100644 --- a/drivers/media/platform/amphion/vpu_helpers.c +++ b/drivers/media/platform/amphion/vpu_helpers.c @@ -509,3 +509,126 @@ const char *vpu_codec_state_name(enum vpu_codec_state state) } return "<unknown>"; } + +struct codec_id_mapping { + u32 id; + u32 v4l2_id; +}; + +static struct codec_id_mapping h264_profiles[] = { + {66, V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE}, + {77, V4L2_MPEG_VIDEO_H264_PROFILE_MAIN}, + {88, V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED}, + {100, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH} +}; + +static struct codec_id_mapping h264_levels[] = { + {10, V4L2_MPEG_VIDEO_H264_LEVEL_1_0}, + {9, V4L2_MPEG_VIDEO_H264_LEVEL_1B}, + {11, V4L2_MPEG_VIDEO_H264_LEVEL_1_1}, + {12, V4L2_MPEG_VIDEO_H264_LEVEL_1_2}, + {13, V4L2_MPEG_VIDEO_H264_LEVEL_1_3}, + {20, V4L2_MPEG_VIDEO_H264_LEVEL_2_0}, + {21, V4L2_MPEG_VIDEO_H264_LEVEL_2_1}, + {22, V4L2_MPEG_VIDEO_H264_LEVEL_2_2}, + {30, V4L2_MPEG_VIDEO_H264_LEVEL_3_0}, + {31, V4L2_MPEG_VIDEO_H264_LEVEL_3_1}, + {32, V4L2_MPEG_VIDEO_H264_LEVEL_3_2}, + {40, V4L2_MPEG_VIDEO_H264_LEVEL_4_0}, + {41, V4L2_MPEG_VIDEO_H264_LEVEL_4_1}, + {42, V4L2_MPEG_VIDEO_H264_LEVEL_4_2}, + {50, V4L2_MPEG_VIDEO_H264_LEVEL_5_0}, + {51, V4L2_MPEG_VIDEO_H264_LEVEL_5_1}, + {52, V4L2_MPEG_VIDEO_H264_LEVEL_5_2}, + {60, V4L2_MPEG_VIDEO_H264_LEVEL_6_0}, + {61, V4L2_MPEG_VIDEO_H264_LEVEL_6_1}, + {62, V4L2_MPEG_VIDEO_H264_LEVEL_6_2} +}; + +static struct codec_id_mapping hevc_profiles[] = { + {1, V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN}, + {2, V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10} +}; + +static struct codec_id_mapping hevc_levels[] = { + {30, V4L2_MPEG_VIDEO_HEVC_LEVEL_1}, + {60, V4L2_MPEG_VIDEO_HEVC_LEVEL_2}, + {63, V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1}, + {90, V4L2_MPEG_VIDEO_HEVC_LEVEL_3}, + {93, V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1}, + {120, V4L2_MPEG_VIDEO_HEVC_LEVEL_4}, + {123, V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1}, + {150, V4L2_MPEG_VIDEO_HEVC_LEVEL_5}, + {153, V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1}, + {156, V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2}, + {180, V4L2_MPEG_VIDEO_HEVC_LEVEL_6}, + {183, V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1}, + {186, V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2} +}; + +static u32 vpu_find_v4l2_id(u32 id, struct codec_id_mapping *array, u32 array_sz) +{ + u32 i; + + if (!array || !array_sz) + return 0; + + for (i = 0; i < array_sz; i++) { + if (id == array[i].id) + return array[i].v4l2_id; + } + + return 0; +} + +u32 vpu_get_h264_v4l2_profile(struct vpu_dec_codec_info *hdr) +{ + if (!hdr) + return 0; + + /* + * In H.264 Document section A.2.1.1 Constrained Baseline profile + * Conformance of a bitstream to the Constrained Baseline profile is indicated by + * profile_idc being equal to 66 with constraint_set1_flag being equal to 1. + */ + if (hdr->profile_idc == 66 && hdr->constraint_set1_flag) + return V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE; + + return vpu_find_v4l2_id(hdr->profile_idc, h264_profiles, ARRAY_SIZE(h264_profiles)); +} + +u32 vpu_get_h264_v4l2_level(struct vpu_dec_codec_info *hdr) +{ + if (!hdr) + return 0; + + /* + * In H.264 Document section 7.4.2.1.1 Sequence parameter set data semantics + * If profile_idc is equal to 66, 77, or 88 and level_idc is equal to 11, + * constraint_set3_flag equal to 1 indicates that the coded video sequence + * obeys all constraints specified in Annex A for level 1b + * and constraint_set3_flag equal to 0 indicates that the coded video sequence + * obeys all constraints specified in Annex A for level 1.1. + */ + if (hdr->level_idc == 11 && hdr->constraint_set3_flag && + (hdr->profile_idc == 66 || hdr->profile_idc == 77 || hdr->profile_idc == 88)) + return V4L2_MPEG_VIDEO_H264_LEVEL_1B; + + return vpu_find_v4l2_id(hdr->level_idc, h264_levels, ARRAY_SIZE(h264_levels)); +} + +u32 vpu_get_hevc_v4l2_profile(struct vpu_dec_codec_info *hdr) +{ + if (!hdr) + return 0; + + return vpu_find_v4l2_id(hdr->profile_idc, hevc_profiles, ARRAY_SIZE(hevc_profiles)); +} + +u32 vpu_get_hevc_v4l2_level(struct vpu_dec_codec_info *hdr) +{ + if (!hdr) + return 0; + + return vpu_find_v4l2_id(hdr->level_idc, hevc_levels, ARRAY_SIZE(hevc_levels)); +} |