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authorAnton Khirnov <anton@khirnov.net>2015-06-16 18:22:11 +0200
committerAnton Khirnov <anton@khirnov.net>2015-07-08 23:39:28 +0200
commit3a85397e8bb477eb34678d9edc52893f57003226 (patch)
treefbdd149aa2a4662523cff8cf8ce46fd134477cc0 /libavcodec/qsvenc_mpeg2.c
parent69ab9f53f901eac6a649e22d28cf093357870627 (diff)
downloadffmpeg-3a85397e8bb477eb34678d9edc52893f57003226.tar.gz
lavc: add Intel libmfx-based MPEG2 encoder
Diffstat (limited to 'libavcodec/qsvenc_mpeg2.c')
-rw-r--r--libavcodec/qsvenc_mpeg2.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/libavcodec/qsvenc_mpeg2.c b/libavcodec/qsvenc_mpeg2.c
new file mode 100644
index 0000000000..36010364d3
--- /dev/null
+++ b/libavcodec/qsvenc_mpeg2.c
@@ -0,0 +1,117 @@
+/*
+ * Intel MediaSDK QSV based MPEG-2 encoder
+ *
+ * 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/common.h"
+#include "libavutil/opt.h"
+
+#include "avcodec.h"
+#include "internal.h"
+#include "qsv.h"
+#include "qsv_internal.h"
+#include "qsvenc.h"
+
+typedef struct QSVMpeg2EncContext {
+ AVClass *class;
+ QSVEncContext qsv;
+} QSVMpeg2EncContext;
+
+static av_cold int qsv_enc_init(AVCodecContext *avctx)
+{
+ QSVMpeg2EncContext *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)
+{
+ QSVMpeg2EncContext *q = avctx->priv_data;
+
+ return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
+}
+
+static av_cold int qsv_enc_close(AVCodecContext *avctx)
+{
+ QSVMpeg2EncContext *q = avctx->priv_data;
+
+ return ff_qsv_enc_close(avctx, &q->qsv);
+}
+
+#define OFFSET(x) offsetof(QSVMpeg2EncContext, 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 },
+ { "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" },
+ { "simple", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_SIMPLE }, INT_MIN, INT_MAX, VE, "profile" },
+ { "main", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
+ { "high", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_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 = "mpeg2_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" },
+
+ { "flags", "+cgop" },
+ { NULL },
+};
+
+AVCodec ff_mpeg2_qsv_encoder = {
+ .name = "mpeg2_qsv",
+ .long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video (Intel Quick Sync Video acceleration)"),
+ .priv_data_size = sizeof(QSVMpeg2EncContext),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_MPEG2VIDEO,
+ .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,
+};