media: venus: add helper to check supported codecs

Adds a helper function to runtime check supported encoder and
decoder codecs depending on venus version and platform.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
index 5f4434c..b52410d 100644 (file)
--- a/drivers/media/platform/qcom/venus/helpers.c
+++ b/drivers/media/platform/qcom/venus/helpers.c
@@ -34,6 +34,55 @@ struct intbuf {
        unsigned long attrs;
 };
 
+bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt)
+{
+       struct venus_core *core = inst->core;
+       u32 session_type = inst->session_type;
+       u32 codec;
+
+       switch (v4l2_pixfmt) {
+       case V4L2_PIX_FMT_H264:
+               codec = HFI_VIDEO_CODEC_H264;
+               break;
+       case V4L2_PIX_FMT_H263:
+               codec = HFI_VIDEO_CODEC_H263;
+               break;
+       case V4L2_PIX_FMT_MPEG1:
+               codec = HFI_VIDEO_CODEC_MPEG1;
+               break;
+       case V4L2_PIX_FMT_MPEG2:
+               codec = HFI_VIDEO_CODEC_MPEG2;
+               break;
+       case V4L2_PIX_FMT_MPEG4:
+               codec = HFI_VIDEO_CODEC_MPEG4;
+               break;
+       case V4L2_PIX_FMT_VC1_ANNEX_G:
+       case V4L2_PIX_FMT_VC1_ANNEX_L:
+               codec = HFI_VIDEO_CODEC_VC1;
+               break;
+       case V4L2_PIX_FMT_VP8:
+               codec = HFI_VIDEO_CODEC_VP8;
+               break;
+       case V4L2_PIX_FMT_VP9:
+               codec = HFI_VIDEO_CODEC_VP9;
+               break;
+       case V4L2_PIX_FMT_XVID:
+               codec = HFI_VIDEO_CODEC_DIVX;
+               break;
+       default:
+               return false;
+       }
+
+       if (session_type == VIDC_SESSION_TYPE_ENC && core->enc_codecs & codec)
+               return true;
+
+       if (session_type == VIDC_SESSION_TYPE_DEC && core->dec_codecs & codec)
+               return true;
+
+       return false;
+}
+EXPORT_SYMBOL_GPL(venus_helper_check_codec);
+
 static int intbufs_set_buffer(struct venus_inst *inst, u32 type)
 {
        struct venus_core *core = inst->core;

diff --git a/drivers/media/platform/qcom/venus/helpers.h b/drivers/media/platform/qcom/venus/helpers.h
index 6a061b4..971392b 100644 (file)
--- a/drivers/media/platform/qcom/venus/helpers.h
+++ b/drivers/media/platform/qcom/venus/helpers.h
@@ -19,6 +19,7 @@
 
 struct venus_inst;
 
+bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt);
 struct vb2_v4l2_buffer *venus_helper_find_buf(struct venus_inst *inst,
                                              unsigned int type, u32 idx);
 void venus_helper_buffers_done(struct venus_inst *inst,