lavc: VAAPI MJPEG encoder

Signed-off-by: Anton Khirnov <anton@khirnov.net>

Changelog

@@ -53,7 +53,7 @@ version <next>:
 - compressed SWF
 - VAAPI-accelerated format conversion and scaling
 - libnpp/CUDA-accelerated format conversion and scaling
-- VAAPI-accelerate H.264/HEVC encoding
+- VAAPI-accelerate H.264/HEVC/MJPEG encoding
 
 
 version 11:

configure

@@ -1989,6 +1989,8 @@ mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
 mjpegb_decoder_select="mjpeg_decoder"
+mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
+mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
 mlp_decoder_select="mlp_parser"
 motionpixels_decoder_select="bswapdsp"
 mp1_decoder_select="mpegaudio"
@@ -4473,6 +4475,7 @@ check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
+check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
 
 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
 

libavcodec/Makefile

@@ -304,6 +304,7 @@ OBJS-$(CONFIG_MIMIC_DECODER)           += mimic.o
 OBJS-$(CONFIG_MJPEG_DECODER)           += mjpegdec.o
 OBJS-$(CONFIG_MJPEG_ENCODER)           += mjpegenc.o mjpegenc_common.o
 OBJS-$(CONFIG_MJPEGB_DECODER)          += mjpegbdec.o
+OBJS-$(CONFIG_MJPEG_VAAPI_ENCODER)     += vaapi_encode_mjpeg.o
 OBJS-$(CONFIG_MLP_DECODER)             += mlpdec.o mlpdsp.o
 OBJS-$(CONFIG_MMVIDEO_DECODER)         += mmvideo.o
 OBJS-$(CONFIG_MOTIONPIXELS_DECODER)    += motionpixels.o

libavcodec/allcodecs.c

@@ -195,6 +195,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(MIMIC,             mimic);
     REGISTER_ENCDEC (MJPEG,             mjpeg);
     REGISTER_DECODER(MJPEGB,            mjpegb);
+    REGISTER_ENCODER(MJPEG_VAAPI,       mjpeg_vaapi);
     REGISTER_DECODER(MMVIDEO,           mmvideo);
     REGISTER_DECODER(MOTIONPIXELS,      motionpixels);
 #if FF_API_XVMC