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nvh265enc: Enable HDR related SEI nal insertion
If upstream provides the HDR related information, create SEI message nals and pass them to NVENC.
This commit is contained in:
Seungha Yang
parent
b624c6a067
commit
8dbaed0af7
2 changed files with 195 additions and 0 deletions
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@ -25,6 +25,7 @@
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#include "gstnvh265enc.h"
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#include <gst/pbutils/codec-utils.h>
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#include <gst/base/gstbytewriter.h>
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#include <string.h>
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@ -36,6 +37,7 @@ G_DEFINE_TYPE (GstNvH265Enc, gst_nv_h265_enc, GST_TYPE_NV_BASE_ENC);
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static gboolean gst_nv_h265_enc_open (GstVideoEncoder * enc);
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static gboolean gst_nv_h265_enc_close (GstVideoEncoder * enc);
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static gboolean gst_nv_h265_enc_stop (GstVideoEncoder * enc);
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static gboolean gst_nv_h265_enc_set_src_caps (GstNvBaseEnc * nvenc,
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GstVideoCodecState * state);
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static gboolean gst_nv_h265_enc_set_encoder_config (GstNvBaseEnc * nvenc,
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@ -62,6 +64,7 @@ gst_nv_h265_enc_class_init (GstNvH265EncClass * klass)
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videoenc_class->open = GST_DEBUG_FUNCPTR (gst_nv_h265_enc_open);
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videoenc_class->close = GST_DEBUG_FUNCPTR (gst_nv_h265_enc_close);
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videoenc_class->stop = GST_DEBUG_FUNCPTR (gst_nv_h265_enc_stop);
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nvenc_class->codec_id = NV_ENC_CODEC_HEVC_GUID;
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nvenc_class->set_encoder_config = gst_nv_h265_enc_set_encoder_config;
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@ -126,6 +129,32 @@ gst_nv_h265_enc_close (GstVideoEncoder * enc)
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return GST_VIDEO_ENCODER_CLASS (gst_nv_h265_enc_parent_class)->close (enc);
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}
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static void
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gst_nv_h265_enc_clear_stream_data (GstNvH265Enc * h265enc)
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{
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gint i;
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if (!h265enc->sei_payload)
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return;
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for (i = 0; i < h265enc->num_sei_payload; i++)
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g_free (h265enc->sei_payload[i].payload);
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g_free (h265enc->sei_payload);
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h265enc->sei_payload = NULL;
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h265enc->num_sei_payload = 0;
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}
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static gboolean
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gst_nv_h265_enc_stop (GstVideoEncoder * enc)
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{
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GstNvH265Enc *h265enc = GST_NV_H265_ENC (enc);
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gst_nv_h265_enc_clear_stream_data (h265enc);
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return GST_VIDEO_ENCODER_CLASS (gst_nv_h265_enc_parent_class)->stop (enc);
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}
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static gboolean
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gst_nv_h265_enc_set_level_tier_and_profile (GstNvH265Enc * nvenc,
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GstCaps * caps)
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@ -198,6 +227,120 @@ gst_nv_h265_enc_set_src_caps (GstNvBaseEnc * nvenc, GstVideoCodecState * state)
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return TRUE;
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}
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static guint8 *
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gst_nv_h265_enc_create_mastering_display_sei_nal (GstNvH265Enc * h265enc,
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GstVideoMasteringDisplayInfo * minfo, guint * size)
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{
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guint sei_size;
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guint16 primary_x[3];
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guint16 primary_y[3];
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guint16 white_x, white_y;
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guint32 max_luma;
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guint32 min_luma;
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const guint chroma_scale = 50000;
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const guint luma_scale = 10000;
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gint i;
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GstByteWriter br;
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GST_DEBUG_OBJECT (h265enc, "Apply mastering display info");
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GST_LOG_OBJECT (h265enc, "\tRed (%u/%u, %u/%u)", minfo->Rx_n,
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minfo->Rx_d, minfo->Ry_n, minfo->Ry_d);
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GST_LOG_OBJECT (h265enc, "\tGreen(%u/%u, %u/%u)", minfo->Gx_n,
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minfo->Gx_d, minfo->Gy_n, minfo->Gy_d);
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GST_LOG_OBJECT (h265enc, "\tBlue (%u/%u, %u/%u)", minfo->Bx_n,
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minfo->Bx_d, minfo->By_n, minfo->By_d);
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GST_LOG_OBJECT (h265enc, "\tWhite(%u/%u, %u/%u)", minfo->Wx_n,
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minfo->Wx_d, minfo->Wy_n, minfo->Wy_d);
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GST_LOG_OBJECT (h265enc,
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"\tmax_luminance:(%u/%u), min_luminance:(%u/%u)",
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minfo->max_luma_n, minfo->max_luma_d, minfo->min_luma_n,
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minfo->min_luma_d);
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primary_x[0] =
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(guint16) gst_util_uint64_scale_round (minfo->Gx_n, chroma_scale,
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minfo->Gx_d);
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primary_x[1] =
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(guint16) gst_util_uint64_scale_round (minfo->Bx_n, chroma_scale,
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minfo->Bx_d);
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primary_x[2] =
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(guint16) gst_util_uint64_scale_round (minfo->Rx_n, chroma_scale,
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minfo->Rx_d);
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primary_y[0] =
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(guint16) gst_util_uint64_scale_round (minfo->Gy_n, chroma_scale,
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minfo->Gy_d);
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primary_y[1] =
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(guint16) gst_util_uint64_scale_round (minfo->By_n, chroma_scale,
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minfo->By_d);
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primary_y[2] =
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(guint16) gst_util_uint64_scale_round (minfo->Ry_n, chroma_scale,
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minfo->Ry_d);
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white_x =
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(guint16) gst_util_uint64_scale_round (minfo->Wx_n, chroma_scale,
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minfo->Wx_d);
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white_y =
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(guint16) gst_util_uint64_scale_round (minfo->Wy_n, chroma_scale,
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minfo->Wy_d);
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max_luma =
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(guint32) gst_util_uint64_scale_round (minfo->max_luma_n, luma_scale,
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minfo->max_luma_d);
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min_luma =
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(guint32) gst_util_uint64_scale_round (minfo->min_luma_n, luma_scale,
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minfo->min_luma_d);
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/* x, y 16bits per RGB channel
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* x, y 16bits white point
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* max, min luminance 32bits
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*/
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sei_size = (2 * 2 * 3) + (2 * 2) + (4 * 2);
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gst_byte_writer_init_with_size (&br, sei_size, TRUE);
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for (i = 0; i < 3; i++) {
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gst_byte_writer_put_uint16_be (&br, primary_x[i]);
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gst_byte_writer_put_uint16_be (&br, primary_y[i]);
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}
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gst_byte_writer_put_uint16_be (&br, white_x);
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gst_byte_writer_put_uint16_be (&br, white_y);
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gst_byte_writer_put_uint32_be (&br, max_luma);
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gst_byte_writer_put_uint32_be (&br, min_luma);
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*size = sei_size;
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return gst_byte_writer_reset_and_get_data (&br);
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}
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static guint8 *
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gst_nv_h265_enc_create_content_light_level_sei_nal (GstNvH265Enc * h265enc,
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GstVideoContentLightLevel * linfo, guint * size)
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{
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gdouble val;
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guint sei_size;
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GstByteWriter br;
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GST_DEBUG_OBJECT (h265enc, "Apply content light level");
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GST_LOG_OBJECT (h265enc, "content light level found");
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GST_LOG_OBJECT (h265enc,
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"\tmaxCLL:(%u/%u), maxFALL:(%u/%u)", linfo->maxCLL_n, linfo->maxCLL_d,
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linfo->maxFALL_n, linfo->maxFALL_d);
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/* maxCLL and maxFALL per 16bits */
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sei_size = 2 * 2;
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gst_byte_writer_init_with_size (&br, sei_size, TRUE);
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gst_util_fraction_to_double (linfo->maxCLL_n, linfo->maxCLL_d, &val);
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gst_byte_writer_put_uint16_be (&br, (guint16) val);
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gst_util_fraction_to_double (linfo->maxFALL_n, linfo->maxFALL_d, &val);
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gst_byte_writer_put_uint16_be (&br, (guint16) val);
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*size = sei_size;
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return gst_byte_writer_reset_and_get_data (&br);
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}
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static gboolean
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gst_nv_h265_enc_set_encoder_config (GstNvBaseEnc * nvenc,
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GstVideoCodecState * state, NV_ENC_CONFIG * config)
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@ -303,6 +446,46 @@ gst_nv_h265_enc_set_encoder_config (GstNvBaseEnc * nvenc,
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vui->transferCharacteristics =
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gst_video_color_transfer_to_iso (info->colorimetry.transfer);
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gst_nv_h265_enc_clear_stream_data (h265enc);
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{
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GstVideoMasteringDisplayInfo minfo;
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GstVideoContentLightLevel linfo;
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gboolean have_mastering;
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gboolean have_cll;
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guint size;
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gint i = 0;
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have_mastering =
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gst_video_mastering_display_info_from_caps (&minfo, state->caps);
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have_cll = gst_video_content_light_level_from_caps (&linfo, state->caps);
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if (have_mastering)
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h265enc->num_sei_payload++;
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if (have_cll)
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h265enc->num_sei_payload++;
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h265enc->sei_payload =
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g_new0 (NV_ENC_SEI_PAYLOAD, h265enc->num_sei_payload);
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if (have_mastering) {
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h265enc->sei_payload[i].payload =
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gst_nv_h265_enc_create_mastering_display_sei_nal (h265enc,
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&minfo, &size);
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h265enc->sei_payload[i].payloadSize = size;
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h265enc->sei_payload[i].payloadType = 137;
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i++;
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}
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if (have_cll) {
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h265enc->sei_payload[i].payload =
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gst_nv_h265_enc_create_content_light_level_sei_nal (h265enc,
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&linfo, &size);
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h265enc->sei_payload[i].payloadSize = size;
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h265enc->sei_payload[i].payloadType = 144;
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}
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}
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return TRUE;
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}
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@ -310,10 +493,19 @@ static gboolean
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gst_nv_h265_enc_set_pic_params (GstNvBaseEnc * enc, GstVideoCodecFrame * frame,
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NV_ENC_PIC_PARAMS * pic_params)
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{
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GstNvH265Enc *h265enc = GST_NV_H265_ENC (enc);
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/* encode whole picture in one single slice */
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pic_params->codecPicParams.hevcPicParams.sliceMode = 0;
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pic_params->codecPicParams.hevcPicParams.sliceModeData = 0;
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if (h265enc->sei_payload) {
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pic_params->codecPicParams.hevcPicParams.seiPayloadArray =
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h265enc->sei_payload;
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pic_params->codecPicParams.hevcPicParams.seiPayloadArrayCnt =
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h265enc->num_sei_payload;
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}
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return TRUE;
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}
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@ -38,6 +38,9 @@
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typedef struct {
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GstNvBaseEnc base_nvenc;
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NV_ENC_SEI_PAYLOAD *sei_payload;
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guint num_sei_payload;
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} GstNvH265Enc;
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typedef struct {
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