nvenc: H264 and HEVC encoders

Partially based on the work of Timo Rothenpieler <timo@rothenpieler.org>

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

1 files changed, 110 insertions, 0 deletions

diff --git a/libavcodec/nvenc_h264.c b/libavcodec/nvenc_h264.c
new file mode 100644
index 0000000000..f94f670f0d
--- /dev/null
+++ b/libavcodec/nvenc_h264.c
@@ -0,0 +1,110 @@
+/*
+ * 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 "libavutil/internal.h"
+#include "libavutil/opt.h"
+
+#include "avcodec.h"
+#include "internal.h"
+
+#include "nvenc.h"
+
+#define OFFSET(x) offsetof(NVENCContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+    { "preset",   "Set the encoding preset",              OFFSET(preset),      AV_OPT_TYPE_INT,    { .i64 = PRESET_HQ }, PRESET_DEFAULT, PRESET_LOSSLESS_HP, VE, "preset" },
+    { "default",    "",                                   0,                   AV_OPT_TYPE_CONST,  { .i64 = PRESET_DEFAULT }, 0, 0, VE, "preset" },
+    { "hp",         "",                                   0,                   AV_OPT_TYPE_CONST,  { .i64 = PRESET_HP }, 0, 0, VE, "preset" },
+    { "hq",         "",                                   0,                   AV_OPT_TYPE_CONST,  { .i64 = PRESET_HQ }, 0, 0, VE, "preset" },
+    { "bd",         "",                                   0,                   AV_OPT_TYPE_CONST,  { .i64 = PRESET_BD }, 0, 0, VE, "preset" },
+    { "ll",         "low latency",                        0,                   AV_OPT_TYPE_CONST,  { .i64 = PRESET_LOW_LATENCY_DEFAULT }, 0, 0, VE, "preset" },
+    { "llhq",       "low latency hq",                     0,                   AV_OPT_TYPE_CONST,  { .i64 = PRESET_LOW_LATENCY_HQ }, 0, 0, VE, "preset" },
+    { "llhp",       "low latency hp",                     0,                   AV_OPT_TYPE_CONST,  { .i64 = PRESET_LOW_LATENCY_HP }, 0, 0, VE, "preset" },
+    { "profile",  "Set the encoding profile",             OFFSET(profile),     AV_OPT_TYPE_INT,    { .i64 = NV_ENC_H264_PROFILE_HIGH }, NV_ENC_H264_PROFILE_BASELINE, NV_ENC_H264_PROFILE_CONSTRAINED_HIGH, VE, "profile" },
+    { "baseline", "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_H264_PROFILE_BASELINE },            0, 0, VE, "profile" },
+    { "main",     "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_H264_PROFILE_MAIN },                0, 0, VE, "profile" },
+    { "high",     "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_H264_PROFILE_HIGH },                0, 0, VE, "profile" },
+    { "high_444", "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_H264_PROFILE_HIGH_444 },            0, 0, VE, "profile" },
+    { "constrained_high", "",                             0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_H264_PROFILE_CONSTRAINED_HIGH },    0, 0, VE, "profile" },
+    { "level",    "Set the encoding level restriction",   OFFSET(level),       AV_OPT_TYPE_INT,    { .i64 = NV_ENC_LEVEL_AUTOSELECT }, NV_ENC_LEVEL_AUTOSELECT, NV_ENC_LEVEL_H264_51, VE, "level" },
+    { "1.0",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_1 },  0, 0, VE,  "level" },
+    { "1.b",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_1b }, 0, 0, VE,  "level" },
+    { "1.1",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_11 }, 0, 0, VE,  "level" },
+    { "1.2",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_12 }, 0, 0, VE,  "level" },
+    { "1.3",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_13 }, 0, 0, VE,  "level" },
+    { "2.0",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_2 },  0, 0, VE,  "level" },
+    { "2.1",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_21 }, 0, 0, VE,  "level" },
+    { "2.2",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_22 }, 0, 0, VE,  "level" },
+    { "3.0",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_3 },  0, 0, VE,  "level" },
+    { "3.1",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_31 }, 0, 0, VE,  "level" },
+    { "3.2",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_32 }, 0, 0, VE,  "level" },
+    { "4.0",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_4 },  0, 0, VE,  "level" },
+    { "4.1",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_41 }, 0, 0, VE,  "level" },
+    { "4.2",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_42 }, 0, 0, VE,  "level" },
+    { "5.0",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_5 },  0, 0, VE,  "level" },
+    { "5.1",      "",                                     0,                   AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_LEVEL_H264_51 }, 0, 0, VE,  "level" },
+    { "rc",       "Override the preset rate-control",     OFFSET(rc),          AV_OPT_TYPE_INT,    { .i64 = -1 },                   -1, 0, VE },
+    { "constqp",          "Constant QP mode",                                                            0, AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_PARAMS_RC_CONSTQP },              0, 0, VE, "rc" },
+    { "vbr",              "Variable bitrate mode",                                                       0, AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_PARAMS_RC_VBR },                  0, 0, VE, "rc" },
+    { "cbr",              "Constant bitrate mode",                                                       0, AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_PARAMS_RC_CBR },                  0, 0, VE, "rc" },
+    { "vbr_minqp",        "Variable bitrate mode with MinQP",                                            0, AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_PARAMS_RC_VBR_MINQP },            0, 0, VE, "rc" },
+    { "ll_2pass_quality", "Multi-pass optimized for image quality (only for low-latency presets)",       0, AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_PARAMS_RC_2_PASS_QUALITY },       0, 0, VE, "rc" },
+    { "ll_2pass_size",    "Multi-pass optimized for constant frame size (only for low-latency presets)", 0, AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP }, 0, 0, VE, "rc" },
+    { "vbr_2pass",        "Multi-pass variable bitrate mode",                                            0, AV_OPT_TYPE_CONST,  { .i64 = NV_ENC_PARAMS_RC_2_PASS_VBR },           0, 0, VE, "rc" },
+    { "surfaces", "Number of concurrent surfaces",        OFFSET(nb_surfaces), AV_OPT_TYPE_INT,    { .i64 = 32 },                   0, INT_MAX, VE },
+    { "device",   "Select a specific NVENC device",       OFFSET(device),      AV_OPT_TYPE_INT,    { .i64 = -1 },                   -2, INT_MAX, VE, "device" },
+    { "any",      "Pick the first device available",      0,                   AV_OPT_TYPE_CONST,  { .i64 = ANY_DEVICE },           0, 0, VE, "device" },
+    { "list",     "List the available devices",           0,                   AV_OPT_TYPE_CONST,  { .i64 = LIST_DEVICES },         0, 0, VE, "device" },
+    { NULL }
+};
+
+static const AVClass nvenc_hevc_class = {
+    .class_name = "nvenc_h264",
+    .item_name = av_default_item_name,
+    .option = options,
+    .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVCodecDefault defaults[] = {
+    { "b", "0" },
+    { "qmin", "-1" },
+    { "qmax", "-1" },
+    { "qdiff", "-1" },
+    { "qblur", "-1" },
+    { "qcomp", "-1" },
+    { NULL },
+};
+
+AVCodec ff_h264_nvenc_encoder = {
+    .name           = "nvenc_h264",
+    .long_name      = NULL_IF_CONFIG_SMALL("NVIDIA NVENC H264 encoder"),
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_H264,
+    .init           = ff_nvenc_encode_init,
+    .encode2        = ff_nvenc_encode_frame,
+    .close          = ff_nvenc_encode_close,
+    .priv_data_size = sizeof(NVENCContext),
+    .priv_class     = &nvenc_hevc_class,
+    .defaults       = defaults,
+    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
+                                                    AV_PIX_FMT_YUV420P,
+                                                    AV_PIX_FMT_YUV444P,
+                                                    AV_PIX_FMT_NONE },
+    .capabilities   = CODEC_CAP_DELAY,
+    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
+};