[FFmpeg-devel] [PATCH 3/3] qsvdec: add mjpeg decoding support
Zhong Li
zhong.li at intel.com
Thu Jun 27 15:59:14 EEST 2019
Only baseline profile and NV12 output format supported right now.
---
Changelog | 1 +
configure | 2 ++
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/qsv.c | 2 ++
libavcodec/qsvdec.c | 2 ++
libavcodec/qsvdec.h | 1 +
libavcodec/qsvdec_other.c | 28 +++++++++++++++++++++++++++-
8 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/Changelog b/Changelog
index 57476c3..2bc1087 100644
--- a/Changelog
+++ b/Changelog
@@ -34,6 +34,7 @@ version <next>:
- VP4 video decoder
- IFV demuxer
- derain filter
+- Intel QSV-accelerated MJPEG decoding
version 4.1:
diff --git a/configure b/configure
index 7cea9d4..8119a29 100755
--- a/configure
+++ b/configure
@@ -3028,6 +3028,8 @@ hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"
hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
mjpeg_cuvid_decoder_deps="cuvid"
+mjpeg_qsv_decoder_deps="libmfx"
+mjpeg_qsv_decoder_select="qsvdec mjpeg_parser"
mjpeg_qsv_encoder_deps="libmfx"
mjpeg_qsv_encoder_select="qsvenc"
mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index edccd73..95b7fc8 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -425,6 +425,7 @@ OBJS-$(CONFIG_METASOUND_DECODER) += metasound.o metasound_data.o \
OBJS-$(CONFIG_MICRODVD_DECODER) += microdvddec.o ass.o
OBJS-$(CONFIG_MIMIC_DECODER) += mimic.o
OBJS-$(CONFIG_MJPEG_DECODER) += mjpegdec.o
+OBJS-$(CONFIG_MJPEG_QSV_DECODER) += qsvdec_other.o
OBJS-$(CONFIG_MJPEG_ENCODER) += mjpegenc.o mjpegenc_common.o \
mjpegenc_huffman.o
OBJS-$(CONFIG_MJPEGB_DECODER) += mjpegbdec.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index d2f9a39..cfc1d47 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -763,6 +763,7 @@ extern AVCodec ff_hevc_videotoolbox_encoder;
extern AVCodec ff_libkvazaar_encoder;
extern AVCodec ff_mjpeg_cuvid_decoder;
extern AVCodec ff_mjpeg_qsv_encoder;
+extern AVCodec ff_mjpeg_qsv_decoder;
extern AVCodec ff_mjpeg_vaapi_encoder;
extern AVCodec ff_mpeg1_cuvid_decoder;
extern AVCodec ff_mpeg2_cuvid_decoder;
diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
index 986d4f6..69961b7 100644
--- a/libavcodec/qsv.c
+++ b/libavcodec/qsv.c
@@ -96,6 +96,8 @@ static const struct {
MAP(HEVC, HEVC_REXT, HEVC_REXT ),
#endif
+ MAP(MJPEG, MJPEG_HUFFMAN_LOSSLESS, JPEG_BASELINE ),
+
MAP(VC1, VC1_SIMPLE, VC1_SIMPLE ),
MAP(VC1, VC1_MAIN, VC1_MAIN ),
MAP(VC1, VC1_COMPLEX, VC1_ADVANCED ),
diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c
index 46aa2d6..d1ea056 100644
--- a/libavcodec/qsvdec.c
+++ b/libavcodec/qsvdec.c
@@ -212,6 +212,8 @@ static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
param.mfx.FrameInfo.Width = frame_width;
param.mfx.FrameInfo.Height = frame_height;
param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
+ param.mfx.FrameInfo.CropW = avctx->width;
+ param.mfx.FrameInfo.CropH = avctx->height;
switch (avctx->field_order) {
case AV_FIELD_PROGRESSIVE:
diff --git a/libavcodec/qsvdec.h b/libavcodec/qsvdec.h
index 111536c..3b44af9 100644
--- a/libavcodec/qsvdec.h
+++ b/libavcodec/qsvdec.h
@@ -27,6 +27,7 @@
#include <sys/types.h>
#include <mfx/mfxvideo.h>
+#include <mfx/mfxjpeg.h>
#include "libavutil/fifo.h"
#include "libavutil/frame.h"
diff --git a/libavcodec/qsvdec_other.c b/libavcodec/qsvdec_other.c
index 03251d2..8c9c1e6 100644
--- a/libavcodec/qsvdec_other.c
+++ b/libavcodec/qsvdec_other.c
@@ -1,5 +1,5 @@
/*
- * Intel MediaSDK QSV based MPEG-2, VC-1 and VP8 decoders
+ * Intel MediaSDK QSV based MPEG-2, VC-1, VP8 and MJPEG decoders
*
* copyright (c) 2015 Anton Khirnov
*
@@ -255,3 +255,29 @@ AVCodec ff_vp8_qsv_decoder = {
.wrapper_name = "qsv",
};
#endif
+
+#if CONFIG_MJPEG_QSV_DECODER
+static const AVClass mjpeg_qsv_class = {
+ .class_name = "mjpeg_qsv",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+AVCodec ff_mjpeg_qsv_decoder = {
+ .name = "mjpeg_qsv",
+ .long_name = NULL_IF_CONFIG_SMALL("MJPEG video (Intel Quick Sync Video acceleration)"),
+ .priv_data_size = sizeof(QSVOtherContext),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_MJPEG,
+ .init = qsv_decode_init,
+ .decode = qsv_decode_frame,
+ .flush = qsv_decode_flush,
+ .close = qsv_decode_close,
+ .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING,
+ .priv_class = &mjpeg_qsv_class,
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
+ AV_PIX_FMT_QSV,
+ AV_PIX_FMT_NONE },
+};
+#endif
--
2.7.4
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