lavc: add Intel libmfx-based H.264 encoder

Changelog

@@ -24,6 +24,7 @@ version <next>:
 - VP9 RTP payload format (draft 0) experimental depacketizer
 - TDSC decoder
 - DTS lossless extension (XLL) decoding (not lossless, disabled by default)
+- Intel QSV-accelerated H.264 encoding
 
 
 version 11:

configure

@@ -1599,6 +1599,7 @@ CONFIG_EXTRA="
     qpeldsp
     qsv
     qsvdec
+    qsvenc
     rangecoder
     riffdec
     riffenc
@@ -1762,6 +1763,7 @@ mpegaudiodsp_select="dct"
 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
 qsvdec_select="qsv"
+qsvenc_select="qsv"
 
 # decoders / encoders
 aac_decoder_select="imdct15 mdct sinewin"
@@ -1831,6 +1833,8 @@ h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode
 h264_decoder_suggest="error_resilience"
 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"
 hevc_decoder_select="bswapdsp cabac golomb videodsp"
 huffyuv_decoder_select="bswapdsp huffyuvdsp"
 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"

libavcodec/Makefile

@@ -82,6 +82,7 @@ OBJS-$(CONFIG_PIXBLOCKDSP)             += pixblockdsp.o
 OBJS-$(CONFIG_QPELDSP)                 += qpeldsp.o
 OBJS-$(CONFIG_QSV)                     += qsv.o
 OBJS-$(CONFIG_QSVDEC)                  += qsvdec.o
+OBJS-$(CONFIG_QSVENC)                  += qsvenc.o
 OBJS-$(CONFIG_RANGECODER)              += rangecoder.o
 RDFT-OBJS-$(CONFIG_HARDCODED_TABLES)   += sin_tables.o
 OBJS-$(CONFIG_RDFT)                    += rdft.o $(RDFT-OBJS-yes)
@@ -224,6 +225,7 @@ OBJS-$(CONFIG_H264_DECODER)            += h264.o h264_cabac.o h264_cavlc.o \
                                           h264_mb.o h264_picture.o h264_ps.o \
                                           h264_refs.o h264_sei.o h264_slice.o
 OBJS-$(CONFIG_H264_QSV_DECODER)        += qsvdec_h264.o
+OBJS-$(CONFIG_H264_QSV_ENCODER)        += qsvenc_h264.o
 OBJS-$(CONFIG_HEVC_DECODER)            += hevc.o hevc_mvs.o hevc_ps.o hevc_sei.o \
                                           hevc_cabac.o hevc_refs.o hevcpred.o    \
                                           hevcdsp.o hevc_filter.o

libavcodec/allcodecs.c

@@ -469,6 +469,7 @@ void avcodec_register_all(void)
     /* external libraries, that shouldn't be used by default if one of the
      * above is available */
     REGISTER_ENCODER(LIBOPENH264,       libopenh264);
+    REGISTER_ENCODER(H264_QSV,          h264_qsv);
 
     /* parsers */
     REGISTER_PARSER(AAC,                aac);

libavcodec/qsv_internal.h

@@ -21,11 +21,24 @@
 #ifndef AVCODEC_QSV_INTERNAL_H
 #define AVCODEC_QSV_INTERNAL_H
 
+#include <mfx/mfxvideo.h>
+
+#include "libavutil/frame.h"
+
 #define QSV_VERSION_MAJOR 1
 #define QSV_VERSION_MINOR 1
 
 #define ASYNC_DEPTH_DEFAULT 4       // internal parallelism
 
+typedef struct QSVFrame {
+    AVFrame *frame;
+    mfxFrameSurface1 *surface;
+
+    mfxFrameSurface1 surface_internal;
+
+    struct QSVFrame *next;
+} QSVFrame;
+
 /**
  * Convert a libmfx error code into a libav error code.
  */

libavcodec/qsvdec.h

@@ -32,15 +32,7 @@
 #include "libavutil/pixfmt.h"
 
 #include "avcodec.h"
-
-typedef struct QSVFrame {
-    AVFrame *frame;
-    mfxFrameSurface1 *surface;
-
-    mfxFrameSurface1 surface_internal;
-
-    struct QSVFrame *next;
-} QSVFrame;
+#include "qsv_internal.h"
 
 typedef struct QSVContext {
     // the session used for decoding

libavcodec/qsvenc.h

+/*
+ * Intel MediaSDK QSV encoder utility functions
+ *
+ * copyright (c) 2013 Yukinori Yamazoe
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_QSVENC_H
+#define AVCODEC_QSVENC_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <mfx/mfxvideo.h>
+
+#include "libavutil/avutil.h"
+
+#include "avcodec.h"
+#include "qsv_internal.h"
+
+typedef struct QSVEncContext {
+    AVCodecContext *avctx;
+
+    QSVFrame *work_frames;
+
+    mfxSession session;
+    mfxSession internal_session;
+
+    int packet_size;
+
+    mfxVideoParam param;
+    mfxFrameAllocRequest req;
+
+    mfxExtCodingOption  extco;
+    mfxExtBuffer *extparam[1];
+
+    // options set by the caller
+    int async_depth;
+    int idr_interval;
+    int profile;
+    int preset;
+    int avbr_accuracy;
+    int avbr_convergence;
+} QSVEncContext;
+
+int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);
+
+int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
+                  AVPacket *pkt, const AVFrame *frame, int *got_packet);
+
+int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q);
+
+#endif /* AVCODEC_QSVENC_H */

libavcodec/qsvenc_h264.c

+/*
+ * Intel MediaSDK QSV based H.264 enccoder
+ *
+ * copyright (c) 2013 Yukinori Yamazoe
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <mfx/mfxvideo.h>
+
+#include "libavutil/opt.h"
+
+#include "avcodec.h"
+#include "internal.h"
+#include "h264.h"
+#include "qsv.h"
+#include "qsv_internal.h"
+#include "qsvenc.h"
+
+typedef struct QSVH264EncContext {
+    AVClass *class;
+    QSVEncContext qsv;
+} QSVH264EncContext;
+
+static av_cold int qsv_enc_init(AVCodecContext *avctx)
+{
+    QSVH264EncContext *q = avctx->priv_data;
+
+    return ff_qsv_enc_init(avctx, &q->qsv);
+}
+
+static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
+                         const AVFrame *frame, int *got_packet)
+{
+    QSVH264EncContext *q = avctx->priv_data;
+
+    return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
+}
+
+static av_cold int qsv_enc_close(AVCodecContext *avctx)
+{
+    QSVH264EncContext *q = avctx->priv_data;
+
+    return ff_qsv_enc_close(avctx, &q->qsv);
+}
+
+#define OFFSET(x) offsetof(QSVH264EncContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+    { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VE },
+    { "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
+    { "avbr_accuracy",    "Accuracy of the AVBR ratecontrol",    OFFSET(qsv.avbr_accuracy),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
+    { "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
+
+    { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
+    { "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN      }, INT_MIN, INT_MAX,     VE, "profile" },
+    { "baseline", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_BASELINE }, INT_MIN, INT_MAX,     VE, "profile" },
+    { "main"    , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN     }, INT_MIN, INT_MAX,     VE, "profile" },
+    { "high"    , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH     }, INT_MIN, INT_MAX,     VE, "profile" },
+
+    { "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, 0, 7,   VE, "preset" },
+    { "fast",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED  },   INT_MIN, INT_MAX, VE, "preset" },
+    { "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED  },     INT_MIN, INT_MAX, VE, "preset" },
+    { "slow",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY  }, INT_MIN, INT_MAX, VE, "preset" },
+
+    { NULL },
+};
+
+static const AVClass class = {
+    .class_name = "h264_qsv encoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVCodecDefault qsv_enc_defaults[] = {
+    { "b",         "1M"    },
+    { "refs",      "0"     },
+    // same as the x264 default
+    { "g",         "250"   },
+    { "bf",        "3"     },
+    { "coder",     "ac"    },
+
+    { "flags",     "+cgop" },
+    { NULL },
+};
+
+AVCodec ff_h264_qsv_encoder = {
+    .name           = "h264_qsv",
+    .long_name      = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"),
+    .priv_data_size = sizeof(QSVH264EncContext),
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_H264,
+    .init           = qsv_enc_init,
+    .encode2        = qsv_enc_frame,
+    .close          = qsv_enc_close,
+    .capabilities   = CODEC_CAP_DELAY,
+    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
+                                                    AV_PIX_FMT_QSV,
+                                                    AV_PIX_FMT_NONE },
+    .priv_class     = &class,
+    .defaults       = qsv_enc_defaults,
+};

libavcodec/version.h

@@ -29,7 +29,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 56
-#define LIBAVCODEC_VERSION_MINOR 19
+#define LIBAVCODEC_VERSION_MINOR 20
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \