lavc: Add support for RockChip Media Process Platform

This adds hardware decoding for H.264 / HEVC / VP8 / VP9 using the MPP
Rockchip API.  It returns frames holding an AVDRMFrameDescriptor struct
in buf[0] that allows drm / dmabuf usage.  Tested on RK3288 (TinkerBoard)
and RK3328.

Signed-off-by: Mark Thompson <sw@jkqxz.net>

Author: LongChair

Changelog

@@ -50,6 +50,7 @@ version <next>:
 - KMS screen grabber
 - CUDA thumbnail filter
 - V4L2 mem2mem HW assisted codecs
+- Rockchip MPP hardware decoding
 
 
 version 3.3:

configure

@@ -316,6 +316,7 @@ External library support:
   --disable-nvenc          disable Nvidia video encoding code [autodetect]
   --enable-omx             enable OpenMAX IL code [no]
   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
+  --enable-rkmpp           enable Rockchip Media Process Platform code [no]
   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
   --disable-vda            disable Apple Video Decode Acceleration code [autodetect]
   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
@@ -1567,6 +1568,7 @@ EXTERNAL_LIBRARY_VERSION3_LIST="
     libopencore_amrnb
     libopencore_amrwb
     libvo_amrwbenc
+    rkmpp
 "
 
 EXTERNAL_LIBRARY_GPLV3_LIST="
@@ -2801,6 +2803,8 @@ h264_qsv_decoder_deps="libmfx"
 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
 h264_qsv_encoder_deps="libmfx"
 h264_qsv_encoder_select="qsvenc"
+h264_rkmpp_decoder_deps="rkmpp"
+h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
 h264_vaapi_encoder_select="vaapi_encode golomb"
 h264_vda_decoder_deps="vda"
@@ -2818,6 +2822,8 @@ hevc_qsv_decoder_deps="libmfx"
 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
 hevc_qsv_encoder_deps="libmfx"
 hevc_qsv_encoder_select="hevcparse qsvenc"
+hevc_rkmpp_decoder_deps="rkmpp"
+hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
 hevc_vaapi_encoder_select="vaapi_encode golomb"
 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
@@ -2864,12 +2870,14 @@ vp8_cuvid_decoder_deps="cuda cuvid"
 vp8_mediacodec_decoder_deps="mediacodec"
 vp8_qsv_decoder_deps="libmfx"
 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
+vp8_rkmpp_decoder_deps="rkmpp"
 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
 vp8_vaapi_encoder_select="vaapi_encode"
 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
 vp9_cuvid_decoder_deps="cuda cuvid"
 vp9_mediacodec_decoder_deps="mediacodec"
+vp9_rkmpp_decoder_deps="rkmpp"
 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
 vp9_vaapi_encoder_select="vaapi_encode"
 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
@@ -6066,6 +6074,13 @@ enabled openssl           && { use_pkg_config "" openssl openssl/ssl.h OPENSSL_i
                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
                                die "ERROR: openssl not found"; }
+enabled rkmpp             && { { require_pkg_config rockchip_mpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||
+                                 die "ERROR : Rockchip MPP was not found."; } &&
+                               { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||
+                                 die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&
+                               { enabled libdrm ||
+                                 die "ERROR: rkmpp requires --enable-libdrm"; }
+                             }
 
 if enabled gcrypt; then
     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

libavcodec/Makefile

@@ -341,6 +341,7 @@ OBJS-$(CONFIG_H264_VDA_DECODER)        += vda_h264_dec.o
 OBJS-$(CONFIG_H264_OMX_ENCODER)        += omx.o
 OBJS-$(CONFIG_H264_QSV_DECODER)        += qsvdec_h2645.o
 OBJS-$(CONFIG_H264_QSV_ENCODER)        += qsvenc_h264.o
+OBJS-$(CONFIG_H264_RKMPP_DECODER)      += rkmppdec.o
 OBJS-$(CONFIG_H264_VAAPI_ENCODER)      += vaapi_encode_h264.o vaapi_encode_h26x.o
 OBJS-$(CONFIG_H264_VIDEOTOOLBOX_ENCODER) += videotoolboxenc.o
 OBJS-$(CONFIG_H264_V4L2M2M_DECODER)    += v4l2_m2m_dec.o
@@ -357,6 +358,7 @@ OBJS-$(CONFIG_NVENC_HEVC_ENCODER)      += nvenc_hevc.o
 OBJS-$(CONFIG_HEVC_QSV_DECODER)        += qsvdec_h2645.o
 OBJS-$(CONFIG_HEVC_QSV_ENCODER)        += qsvenc_hevc.o hevc_ps_enc.o       \
                                           hevc_data.o
+OBJS-$(CONFIG_HEVC_RKMPP_DECODER)      += rkmppdec.o
 OBJS-$(CONFIG_HEVC_VAAPI_ENCODER)      += vaapi_encode_h265.o vaapi_encode_h26x.o
 OBJS-$(CONFIG_HEVC_V4L2M2M_DECODER)    += v4l2_m2m_dec.o
 OBJS-$(CONFIG_HEVC_V4L2M2M_ENCODER)    += v4l2_m2m_enc.o
@@ -636,6 +638,7 @@ OBJS-$(CONFIG_VP8_DECODER)             += vp8.o vp56rac.o
 OBJS-$(CONFIG_VP8_CUVID_DECODER)       += cuvid.o
 OBJS-$(CONFIG_VP8_MEDIACODEC_DECODER)  += mediacodecdec.o
 OBJS-$(CONFIG_VP8_QSV_DECODER)         += qsvdec_other.o
+OBJS-$(CONFIG_VP8_RKMPP_DECODER)       += rkmppdec.o
 OBJS-$(CONFIG_VP8_VAAPI_ENCODER)       += vaapi_encode_vp8.o
 OBJS-$(CONFIG_VP8_V4L2M2M_DECODER)     += v4l2_m2m_dec.o
 OBJS-$(CONFIG_VP8_V4L2M2M_ENCODER)     += v4l2_m2m_enc.o
@@ -644,6 +647,7 @@ OBJS-$(CONFIG_VP9_DECODER)             += vp9.o vp9data.o vp9dsp.o vp9lpf.o vp9r
                                           vp9dsp_8bpp.o vp9dsp_10bpp.o vp9dsp_12bpp.o
 OBJS-$(CONFIG_VP9_CUVID_DECODER)       += cuvid.o
 OBJS-$(CONFIG_VP9_MEDIACODEC_DECODER)  += mediacodecdec.o
+OBJS-$(CONFIG_VP9_RKMPP_DECODER)       += rkmppdec.o
 OBJS-$(CONFIG_VP9_VAAPI_ENCODER)       += vaapi_encode_vp9.o
 OBJS-$(CONFIG_VPLAYER_DECODER)         += textdec.o ass.o
 OBJS-$(CONFIG_VP9_V4L2M2M_DECODER)     += v4l2_m2m_dec.o

libavcodec/allcodecs.c

@@ -215,13 +215,15 @@ static void register_all(void)
     REGISTER_DECODER(H264_MEDIACODEC,   h264_mediacodec);
     REGISTER_DECODER(H264_MMAL,         h264_mmal);
     REGISTER_DECODER(H264_QSV,          h264_qsv);
+    REGISTER_DECODER(H264_RKMPP,        h264_rkmpp);
     REGISTER_DECODER(H264_VDA,          h264_vda);
 #if FF_API_VDPAU
     REGISTER_DECODER(H264_VDPAU,        h264_vdpau);
 #endif
     REGISTER_ENCDEC (HAP,               hap);
     REGISTER_DECODER(HEVC,              hevc);
     REGISTER_DECODER(HEVC_QSV,          hevc_qsv);
+    REGISTER_DECODER(HEVC_RKMPP,        hevc_rkmpp);
     REGISTER_ENCDEC (HEVC_V4L2M2M,      hevc_v4l2m2m);
     REGISTER_DECODER(HNM4_VIDEO,        hnm4_video);
     REGISTER_DECODER(HQ_HQA,            hq_hqa);
@@ -380,8 +382,10 @@ static void register_all(void)
     REGISTER_DECODER(VP6F,              vp6f);
     REGISTER_DECODER(VP7,               vp7);
     REGISTER_DECODER(VP8,               vp8);
+    REGISTER_DECODER(VP8_RKMPP,         vp8_rkmpp);
     REGISTER_ENCDEC (VP8_V4L2M2M,       vp8_v4l2m2m);
     REGISTER_DECODER(VP9,               vp9);
+    REGISTER_DECODER(VP9_RKMPP,         vp9_rkmpp);
     REGISTER_DECODER(VP9_V4L2M2M,       vp9_v4l2m2m);
     REGISTER_DECODER(VQA,               vqa);
     REGISTER_DECODER(BITPACKED,         bitpacked);