#include "avcodec.h"
#include "h264.h"
+#include "h264_sei.h"
#include "internal.h"
#include "vaapi_encode.h"
#include "vaapi_encode_h26x.h"
int pic_init_qs_minus26;
- char vui_parameters_present_flag;
+ char overscan_info_present_flag;
+ char overscan_appropriate_flag;
+
+ char video_signal_type_present_flag;
+ unsigned int video_format;
+ char video_full_range_flag;
+ char colour_description_present_flag;
+ unsigned int colour_primaries;
+ unsigned int transfer_characteristics;
+ unsigned int matrix_coefficients;
+
+ char chroma_loc_info_present_flag;
+ unsigned int chroma_sample_loc_type_top_field;
+ unsigned int chroma_sample_loc_type_bottom_field;
+
+ // Some timing elements are in VAEncSequenceParameterBufferH264.
+ char fixed_frame_rate_flag;
+
+ char nal_hrd_parameters_present_flag;
+ char vcl_hrd_parameters_present_flag;
+ char low_delay_hrd_flag;
+ char pic_struct_present_flag;
+
+ char motion_vectors_over_pic_boundaries_flag;
+ unsigned int max_bytes_per_pic_denom;
+ unsigned int max_bits_per_mb_denom;
+ unsigned int max_num_reorder_frames;
+ unsigned int max_dec_pic_buffering;
+
+ unsigned int cpb_cnt_minus1;
+ unsigned int bit_rate_scale;
+ unsigned int cpb_size_scale;
+ unsigned int bit_rate_value_minus1[32];
+ unsigned int cpb_size_value_minus1[32];
+ char cbr_flag[32];
+ unsigned int initial_cpb_removal_delay_length_minus1;
+ unsigned int cpb_removal_delay_length_minus1;
+ unsigned int dpb_output_delay_length_minus1;
+ unsigned int time_offset_length;
+
+ unsigned int initial_cpb_removal_delay;
+ unsigned int initial_cpb_removal_delay_offset;
+
+ unsigned int pic_struct;
} VAAPIEncodeH264MiscSequenceParams;
// This structure contains all possibly-useful per-slice syntax elements
int fixed_qp_p;
int fixed_qp_b;
- int64_t idr_pic_count;
+ int next_frame_num;
int64_t last_idr_frame;
+ int64_t idr_pic_count;
+
+ int cpb_delay;
+ int dpb_delay;
- // RefPicList management.
+ // Rate control configuration.
+ int send_timing_sei;
+
+#if VA_CHECK_VERSION(0, 36, 0)
+ // Speed-quality tradeoff setting.
+ struct {
+ VAEncMiscParameterBuffer misc;
+ VAEncMiscParameterBufferQualityLevel quality;
+ } quality_params;
+#endif
} VAAPIEncodeH264Context;
+typedef struct VAAPIEncodeH264Options {
+ int qp;
+ int quality;
+ int low_power;
+} VAAPIEncodeH264Options;
+
#define vseq_var(name) vseq->name, name
#define vseq_field(name) vseq->seq_fields.bits.name, name
+#define vvui_field(name) vseq->vui_fields.bits.name, name
#define vpic_var(name) vpic->name, name
#define vpic_field(name) vpic->pic_fields.bits.name, name
#define vslice_var(name) vslice->name, name
u(1, 0, rbsp_alignment_zero_bit);
}
+static void vaapi_encode_h264_write_vui(PutBitContext *pbc,
+ VAAPIEncodeContext *ctx)
+{
+ VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
+ VAAPIEncodeH264Context *priv = ctx->priv_data;
+ VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
+ int i;
+
+ u(1, vvui_field(aspect_ratio_info_present_flag));
+ if (vseq->vui_fields.bits.aspect_ratio_info_present_flag) {
+ u(8, vseq_var(aspect_ratio_idc));
+ if (vseq->aspect_ratio_idc == 255) {
+ u(16, vseq_var(sar_width));
+ u(16, vseq_var(sar_height));
+ }
+ }
+
+ u(1, mseq_var(overscan_info_present_flag));
+ if (mseq->overscan_info_present_flag)
+ u(1, mseq_var(overscan_appropriate_flag));
+
+ u(1, mseq_var(video_signal_type_present_flag));
+ if (mseq->video_signal_type_present_flag) {
+ u(3, mseq_var(video_format));
+ u(1, mseq_var(video_full_range_flag));
+ u(1, mseq_var(colour_description_present_flag));
+ if (mseq->colour_description_present_flag) {
+ u(8, mseq_var(colour_primaries));
+ u(8, mseq_var(transfer_characteristics));
+ u(8, mseq_var(matrix_coefficients));
+ }
+ }
+
+ u(1, mseq_var(chroma_loc_info_present_flag));
+ if (mseq->chroma_loc_info_present_flag) {
+ ue(mseq_var(chroma_sample_loc_type_top_field));
+ ue(mseq_var(chroma_sample_loc_type_bottom_field));
+ }
+
+ u(1, vvui_field(timing_info_present_flag));
+ if (vseq->vui_fields.bits.timing_info_present_flag) {
+ u(32, vseq_var(num_units_in_tick));
+ u(32, vseq_var(time_scale));
+ u(1, mseq_var(fixed_frame_rate_flag));
+ }
+
+ u(1, mseq_var(nal_hrd_parameters_present_flag));
+ if (mseq->nal_hrd_parameters_present_flag) {
+ ue(mseq_var(cpb_cnt_minus1));
+ u(4, mseq_var(bit_rate_scale));
+ u(4, mseq_var(cpb_size_scale));
+ for (i = 0; i <= mseq->cpb_cnt_minus1; i++) {
+ ue(mseq_var(bit_rate_value_minus1[i]));
+ ue(mseq_var(cpb_size_value_minus1[i]));
+ u(1, mseq_var(cbr_flag[i]));
+ }
+ u(5, mseq_var(initial_cpb_removal_delay_length_minus1));
+ u(5, mseq_var(cpb_removal_delay_length_minus1));
+ u(5, mseq_var(dpb_output_delay_length_minus1));
+ u(5, mseq_var(time_offset_length));
+ }
+ u(1, mseq_var(vcl_hrd_parameters_present_flag));
+ if (mseq->vcl_hrd_parameters_present_flag) {
+ av_assert0(0 && "vcl hrd parameters not supported");
+ }
+
+ if (mseq->nal_hrd_parameters_present_flag ||
+ mseq->vcl_hrd_parameters_present_flag)
+ u(1, mseq_var(low_delay_hrd_flag));
+ u(1, mseq_var(pic_struct_present_flag));
+
+ u(1, vvui_field(bitstream_restriction_flag));
+ if (vseq->vui_fields.bits.bitstream_restriction_flag) {
+ u(1, mseq_var(motion_vectors_over_pic_boundaries_flag));
+ ue(mseq_var(max_bytes_per_pic_denom));
+ ue(mseq_var(max_bits_per_mb_denom));
+ ue(vvui_field(log2_max_mv_length_horizontal));
+ ue(vvui_field(log2_max_mv_length_vertical));
+ ue(mseq_var(max_num_reorder_frames));
+ ue(mseq_var(max_dec_pic_buffering));
+ }
+}
+
static void vaapi_encode_h264_write_sps(PutBitContext *pbc,
VAAPIEncodeContext *ctx)
{
VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
int i;
- vaapi_encode_h264_write_nal_header(pbc, NAL_SPS, 3);
+ vaapi_encode_h264_write_nal_header(pbc, H264_NAL_SPS, 3);
u(8, mseq_var(profile_idc));
u(1, mseq_var(constraint_set0_flag));
ue(vseq_var(frame_crop_bottom_offset));
}
- u(1, mseq_var(vui_parameters_present_flag));
+ u(1, vseq_var(vui_parameters_present_flag));
+ if (vseq->vui_parameters_present_flag)
+ vaapi_encode_h264_write_vui(pbc, ctx);
vaapi_encode_h264_write_trailing_rbsp(pbc);
}
VAAPIEncodeH264Context *priv = ctx->priv_data;
VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
- vaapi_encode_h264_write_nal_header(pbc, NAL_PPS, 3);
+ vaapi_encode_h264_write_nal_header(pbc, H264_NAL_PPS, 3);
ue(vpic_var(pic_parameter_set_id));
ue(vpic_var(seq_parameter_set_id));
// No alignment - this need not be a byte boundary.
}
+static void vaapi_encode_h264_write_buffering_period(PutBitContext *pbc,
+ VAAPIEncodeContext *ctx,
+ VAAPIEncodePicture *pic)
+{
+ VAAPIEncodeH264Context *priv = ctx->priv_data;
+ VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
+ VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
+ int i;
+
+ ue(vpic_var(seq_parameter_set_id));
+
+ if (mseq->nal_hrd_parameters_present_flag) {
+ for (i = 0; i <= mseq->cpb_cnt_minus1; i++) {
+ u(mseq->initial_cpb_removal_delay_length_minus1 + 1,
+ mseq_var(initial_cpb_removal_delay));
+ u(mseq->initial_cpb_removal_delay_length_minus1 + 1,
+ mseq_var(initial_cpb_removal_delay_offset));
+ }
+ }
+ if (mseq->vcl_hrd_parameters_present_flag) {
+ av_assert0(0 && "vcl hrd parameters not supported");
+ }
+}
+
+static void vaapi_encode_h264_write_pic_timing(PutBitContext *pbc,
+ VAAPIEncodeContext *ctx,
+ VAAPIEncodePicture *pic)
+{
+ VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
+ VAAPIEncodeH264Context *priv = ctx->priv_data;
+ VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
+ int i, num_clock_ts;
+
+ if (mseq->nal_hrd_parameters_present_flag ||
+ mseq->vcl_hrd_parameters_present_flag) {
+ u(mseq->cpb_removal_delay_length_minus1 + 1,
+ 2 * vseq->num_units_in_tick * priv->cpb_delay,
+ cpb_removal_delay);
+ u(mseq->dpb_output_delay_length_minus1 + 1,
+ 2 * vseq->num_units_in_tick * priv->dpb_delay,
+ dpb_output_delay);
+ }
+ if (mseq->pic_struct_present_flag) {
+ u(4, mseq_var(pic_struct));
+ num_clock_ts = (mseq->pic_struct <= 2 ? 1 :
+ mseq->pic_struct <= 4 ? 2 :
+ mseq->pic_struct <= 8 ? 3 : 0);
+ for (i = 0; i < num_clock_ts; i++) {
+ u(1, 0, clock_timestamp_flag[i]);
+ // No full timestamp information.
+ }
+ }
+}
+
+static void vaapi_encode_h264_write_identifier(PutBitContext *pbc,
+ VAAPIEncodeContext *ctx,
+ VAAPIEncodePicture *pic)
+{
+ const char *lavc = LIBAVCODEC_IDENT;
+ const char *vaapi = VA_VERSION_S;
+ const char *driver = vaQueryVendorString(ctx->hwctx->display);
+ char tmp[256];
+ int i;
+
+ // Random (version 4) ISO 11578 UUID.
+ uint8_t uuid[16] = {
+ 0x59, 0x94, 0x8b, 0x28, 0x11, 0xec, 0x45, 0xaf,
+ 0x96, 0x75, 0x19, 0xd4, 0x1f, 0xea, 0xa9, 0x4d,
+ };
+
+ for (i = 0; i < 16; i++)
+ u(8, uuid[i], uuid_iso_iec_11578);
+
+ snprintf(tmp, sizeof(tmp), "%s / VAAPI %s / %s", lavc, vaapi, driver);
+ for (i = 0; i < sizeof(tmp) && tmp[i]; i++)
+ u(8, tmp[i], user_data_payload_byte);
+}
+
+static void vaapi_encode_h264_write_sei(PutBitContext *pbc,
+ VAAPIEncodeContext *ctx,
+ VAAPIEncodePicture *pic)
+{
+ VAAPIEncodeH264Context *priv = ctx->priv_data;
+ PutBitContext payload_bits;
+ char payload[256];
+ int payload_type, payload_size, i;
+ void (*write_payload)(PutBitContext *pbc,
+ VAAPIEncodeContext *ctx,
+ VAAPIEncodePicture *pic) = NULL;
+
+ vaapi_encode_h264_write_nal_header(pbc, H264_NAL_SEI, 0);
+
+ for (payload_type = 0; payload_type < 64; payload_type++) {
+ switch (payload_type) {
+ case SEI_TYPE_BUFFERING_PERIOD:
+ if (!priv->send_timing_sei ||
+ pic->type != PICTURE_TYPE_IDR)
+ continue;
+ write_payload = &vaapi_encode_h264_write_buffering_period;
+ break;
+ case SEI_TYPE_PIC_TIMING:
+ if (!priv->send_timing_sei)
+ continue;
+ write_payload = &vaapi_encode_h264_write_pic_timing;
+ break;
+ case SEI_TYPE_USER_DATA_UNREGISTERED:
+ if (pic->encode_order != 0)
+ continue;
+ write_payload = &vaapi_encode_h264_write_identifier;
+ break;
+ default:
+ continue;
+ }
+
+ init_put_bits(&payload_bits, payload, sizeof(payload));
+ write_payload(&payload_bits, ctx, pic);
+ if (put_bits_count(&payload_bits) & 7) {
+ write_u(&payload_bits, 1, 1, bit_equal_to_one);
+ while (put_bits_count(&payload_bits) & 7)
+ write_u(&payload_bits, 1, 0, bit_equal_to_zero);
+ }
+ payload_size = put_bits_count(&payload_bits) / 8;
+ flush_put_bits(&payload_bits);
+
+ u(8, payload_type, last_payload_type_byte);
+ u(8, payload_size, last_payload_size_byte);
+ for (i = 0; i < payload_size; i++)
+ u(8, payload[i] & 0xff, sei_payload);
+ }
+
+ vaapi_encode_h264_write_trailing_rbsp(pbc);
+}
+
static int vaapi_encode_h264_write_sequence_header(AVCodecContext *avctx,
char *data, size_t *data_len)
{
tmp, header_len);
}
+static int vaapi_encode_h264_write_extra_header(AVCodecContext *avctx,
+ VAAPIEncodePicture *pic,
+ int index, int *type,
+ char *data, size_t *data_len)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ PutBitContext pbc;
+ char tmp[256];
+ size_t header_len;
+
+ if (index == 0 && ctx->va_rc_mode == VA_RC_CBR) {
+ *type = VAEncPackedHeaderH264_SEI;
+
+ init_put_bits(&pbc, tmp, sizeof(tmp));
+ vaapi_encode_h264_write_sei(&pbc, ctx, pic);
+ header_len = put_bits_count(&pbc);
+ flush_put_bits(&pbc);
+
+ return ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data, data_len,
+ tmp, header_len);
+
+ } else {
+ return AVERROR_EOF;
+ }
+}
+
static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
vseq->level_idc = avctx->level;
- vseq->max_num_ref_frames = 2;
+ vseq->max_num_ref_frames = 1 + (avctx->max_b_frames > 0);
vseq->picture_width_in_mbs = priv->mb_width;
vseq->picture_height_in_mbs = priv->mb_height;
vseq->seq_fields.bits.direct_8x8_inference_flag = 1;
vseq->seq_fields.bits.log2_max_frame_num_minus4 = 4;
vseq->seq_fields.bits.pic_order_cnt_type = 0;
+ vseq->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 =
+ av_clip(av_log2(avctx->max_b_frames + 1) - 2, 0, 12);
- if (ctx->input_width != ctx->aligned_width ||
- ctx->input_height != ctx->aligned_height) {
+ if (avctx->width != ctx->surface_width ||
+ avctx->height != ctx->surface_height) {
vseq->frame_cropping_flag = 1;
vseq->frame_crop_left_offset = 0;
vseq->frame_crop_right_offset =
- (ctx->aligned_width - ctx->input_width) / 2;
+ (ctx->surface_width - avctx->width) / 2;
vseq->frame_crop_top_offset = 0;
vseq->frame_crop_bottom_offset =
- (ctx->aligned_height - ctx->input_height) / 2;
+ (ctx->surface_height - avctx->height) / 2;
} else {
vseq->frame_cropping_flag = 0;
}
+
+ vseq->vui_parameters_present_flag = 1;
+ if (avctx->sample_aspect_ratio.num != 0) {
+ vseq->vui_fields.bits.aspect_ratio_info_present_flag = 1;
+ // There is a large enum of these which we could support
+ // individually rather than using the generic X/Y form?
+ if (avctx->sample_aspect_ratio.num ==
+ avctx->sample_aspect_ratio.den) {
+ vseq->aspect_ratio_idc = 1;
+ } else {
+ vseq->aspect_ratio_idc = 255; // Extended SAR.
+ vseq->sar_width = avctx->sample_aspect_ratio.num;
+ vseq->sar_height = avctx->sample_aspect_ratio.den;
+ }
+ }
+ if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
+ avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
+ avctx->colorspace != AVCOL_SPC_UNSPECIFIED) {
+ mseq->video_signal_type_present_flag = 1;
+ mseq->video_format = 5; // Unspecified.
+ mseq->video_full_range_flag = 0;
+ mseq->colour_description_present_flag = 1;
+ // These enums are derived from the standard and hence
+ // we can just use the values directly.
+ mseq->colour_primaries = avctx->color_primaries;
+ mseq->transfer_characteristics = avctx->color_trc;
+ mseq->matrix_coefficients = avctx->colorspace;
+ }
+
+ vseq->vui_fields.bits.bitstream_restriction_flag = 1;
+ mseq->motion_vectors_over_pic_boundaries_flag = 1;
+ mseq->max_bytes_per_pic_denom = 0;
+ mseq->max_bits_per_mb_denom = 0;
+ vseq->vui_fields.bits.log2_max_mv_length_horizontal = 16;
+ vseq->vui_fields.bits.log2_max_mv_length_vertical = 16;
+
+ mseq->max_num_reorder_frames = (avctx->max_b_frames > 0);
+ mseq->max_dec_pic_buffering = vseq->max_num_ref_frames;
+
+ vseq->bits_per_second = avctx->bit_rate;
+
+ vseq->vui_fields.bits.timing_info_present_flag = 1;
+ if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
+ vseq->num_units_in_tick = avctx->framerate.den;
+ vseq->time_scale = 2 * avctx->framerate.num;
+ mseq->fixed_frame_rate_flag = 1;
+ } else {
+ vseq->num_units_in_tick = avctx->time_base.num;
+ vseq->time_scale = 2 * avctx->time_base.den;
+ mseq->fixed_frame_rate_flag = 0;
+ }
+
+ if (ctx->va_rc_mode == VA_RC_CBR) {
+ priv->send_timing_sei = 1;
+ mseq->nal_hrd_parameters_present_flag = 1;
+
+ mseq->cpb_cnt_minus1 = 0;
+
+ // Try to scale these to a sensible range so that the
+ // golomb encode of the value is not overlong.
+ mseq->bit_rate_scale =
+ av_clip_uintp2(av_log2(avctx->bit_rate) - 15 - 6, 4);
+ mseq->bit_rate_value_minus1[0] =
+ (avctx->bit_rate >> mseq->bit_rate_scale + 6) - 1;
+
+ mseq->cpb_size_scale =
+ av_clip_uintp2(av_log2(ctx->hrd_params.hrd.buffer_size) - 15 - 4, 4);
+ mseq->cpb_size_value_minus1[0] =
+ (ctx->hrd_params.hrd.buffer_size >> mseq->cpb_size_scale + 4) - 1;
+
+ // CBR mode isn't actually available here, despite naming.
+ mseq->cbr_flag[0] = 0;
+
+ mseq->initial_cpb_removal_delay_length_minus1 = 23;
+ mseq->cpb_removal_delay_length_minus1 = 23;
+ mseq->dpb_output_delay_length_minus1 = 7;
+ mseq->time_offset_length = 0;
+
+ // This calculation can easily overflow 32 bits.
+ mseq->initial_cpb_removal_delay = 90000 *
+ (uint64_t)ctx->hrd_params.hrd.initial_buffer_fullness /
+ ctx->hrd_params.hrd.buffer_size;
+
+ mseq->initial_cpb_removal_delay_offset = 0;
+ } else {
+ priv->send_timing_sei = 0;
+ mseq->nal_hrd_parameters_present_flag = 0;
+ }
+
+ vseq->intra_period = ctx->p_per_i * (ctx->b_per_p + 1);
+ vseq->intra_idr_period = vseq->intra_period;
+ vseq->ip_period = ctx->b_per_p + 1;
}
{
if (pic->type == PICTURE_TYPE_IDR) {
av_assert0(pic->display_order == pic->encode_order);
+ vpic->frame_num = 0;
+ priv->next_frame_num = 1;
+ priv->cpb_delay = 0;
priv->last_idr_frame = pic->display_order;
} else {
- av_assert0(pic->display_order > priv->last_idr_frame);
+ vpic->frame_num = priv->next_frame_num;
+ if (pic->type != PICTURE_TYPE_B) {
+ // nal_ref_idc != 0
+ ++priv->next_frame_num;
+ }
+ ++priv->cpb_delay;
}
+ priv->dpb_delay = pic->display_order - pic->encode_order + 1;
- vpic->frame_num = (pic->encode_order - priv->last_idr_frame) &
+ vpic->frame_num = vpic->frame_num &
((1 << (4 + vseq->seq_fields.bits.log2_max_frame_num_minus4)) - 1);
vpic->CurrPic.picture_id = pic->recon_surface;
vpic->CurrPic.frame_idx = vpic->frame_num;
vpic->CurrPic.flags = 0;
- vpic->CurrPic.TopFieldOrderCnt = pic->display_order;
- vpic->CurrPic.BottomFieldOrderCnt = pic->display_order;
+ vpic->CurrPic.TopFieldOrderCnt = pic->display_order - priv->last_idr_frame;
+ vpic->CurrPic.BottomFieldOrderCnt = pic->display_order - priv->last_idr_frame;
for (i = 0; i < pic->nb_refs; i++) {
VAAPIEncodePicture *ref = pic->refs[i];
- av_assert0(ref && ref->encode_order >= priv->last_idr_frame);
+ av_assert0(ref && ref->encode_order < pic->encode_order);
vpic->ReferenceFrames[i].picture_id = ref->recon_surface;
- vpic->ReferenceFrames[i].frame_idx =
- ref->encode_order - priv->last_idr_frame;
+ vpic->ReferenceFrames[i].frame_idx = ref->encode_order;
vpic->ReferenceFrames[i].flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE;
- vpic->ReferenceFrames[i].TopFieldOrderCnt = ref->display_order;
- vpic->ReferenceFrames[i].BottomFieldOrderCnt = ref->display_order;
+ vpic->ReferenceFrames[i].TopFieldOrderCnt = ref->display_order - priv->last_idr_frame;
+ vpic->ReferenceFrames[i].BottomFieldOrderCnt = ref->display_order - priv->last_idr_frame;
}
for (; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) {
vpic->ReferenceFrames[i].picture_id = VA_INVALID_ID;
mslice = &pslice->misc_slice_params;
if (pic->type == PICTURE_TYPE_IDR)
- mslice->nal_unit_type = NAL_IDR_SLICE;
+ mslice->nal_unit_type = H264_NAL_IDR_SLICE;
else
- mslice->nal_unit_type = NAL_SLICE;
+ mslice->nal_unit_type = H264_NAL_SLICE;
switch (pic->type) {
case PICTURE_TYPE_IDR:
vslice->pic_parameter_set_id = vpic->pic_parameter_set_id;
vslice->idr_pic_id = priv->idr_pic_count++;
- vslice->pic_order_cnt_lsb = pic->display_order &
+ vslice->pic_order_cnt_lsb = (pic->display_order - priv->last_idr_frame) &
((1 << (4 + vseq->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4)) - 1);
for (i = 0; i < FF_ARRAY_ELEMS(vslice->RefPicList0); i++) {
av_assert0(pic->nb_refs <= 2);
if (pic->nb_refs >= 1) {
- // Backward reference for P or B frame.
+ // Backward reference for P- or B-frame.
av_assert0(pic->type == PICTURE_TYPE_P ||
pic->type == PICTURE_TYPE_B);
vslice->RefPicList0[0] = vpic->ReferenceFrames[0];
}
if (pic->nb_refs >= 2) {
- // Forward reference for B frame.
+ // Forward reference for B-frame.
av_assert0(pic->type == PICTURE_TYPE_B);
vslice->num_ref_idx_l1_active_minus1 = 0;
return 0;
}
-static VAConfigAttrib vaapi_encode_h264_config_attributes[] = {
- { .type = VAConfigAttribRTFormat,
- .value = VA_RT_FORMAT_YUV420 },
- { .type = VAConfigAttribRateControl,
- .value = VA_RC_CQP },
- { .type = VAConfigAttribEncPackedHeaders,
- .value = (VA_ENC_PACKED_HEADER_SEQUENCE |
- VA_ENC_PACKED_HEADER_SLICE) },
-};
-
-static av_cold int vaapi_encode_h264_init_internal(AVCodecContext *avctx)
+static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeH264Context *priv = ctx->priv_data;
+ VAAPIEncodeH264Options *opt = ctx->codec_options;
+
+ priv->mb_width = FFALIGN(avctx->width, 16) / 16;
+ priv->mb_height = FFALIGN(avctx->height, 16) / 16;
+
+ if (ctx->va_rc_mode == VA_RC_CQP) {
+ priv->fixed_qp_p = opt->qp;
+ if (avctx->i_quant_factor > 0.0)
+ priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
+ avctx->i_quant_offset) + 0.5);
+ else
+ priv->fixed_qp_idr = priv->fixed_qp_p;
+ if (avctx->b_quant_factor > 0.0)
+ priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
+ avctx->b_quant_offset) + 0.5);
+ else
+ priv->fixed_qp_b = priv->fixed_qp_p;
+
+ av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
+ "%d / %d / %d for IDR- / P- / B-frames.\n",
+ priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
+
+ } else if (ctx->va_rc_mode == VA_RC_CBR ||
+ ctx->va_rc_mode == VA_RC_VBR) {
+ // These still need to be set for pic_init_qp/slice_qp_delta.
+ priv->fixed_qp_idr = 26;
+ priv->fixed_qp_p = 26;
+ priv->fixed_qp_b = 26;
+
+ av_log(avctx, AV_LOG_DEBUG, "Using %s-bitrate = %d bps.\n",
+ ctx->va_rc_mode == VA_RC_CBR ? "constant" : "variable",
+ avctx->bit_rate);
+
+ } else {
+ av_assert0(0 && "Invalid RC mode.");
+ }
+
+ if (opt->quality > 0) {
+#if VA_CHECK_VERSION(0, 36, 0)
+ priv->quality_params.misc.type =
+ VAEncMiscParameterTypeQualityLevel;
+ priv->quality_params.quality.quality_level = opt->quality;
+
+ ctx->global_params[ctx->nb_global_params] =
+ &priv->quality_params.misc;
+ ctx->global_params_size[ctx->nb_global_params++] =
+ sizeof(priv->quality_params);
+#else
+ av_log(avctx, AV_LOG_WARNING, "The encode quality option is not "
+ "supported with this VAAPI version.\n");
+#endif
+ }
+
+ return 0;
+}
+
+static const VAAPIEncodeType vaapi_encode_type_h264 = {
+ .priv_data_size = sizeof(VAAPIEncodeH264Context),
+
+ .configure = &vaapi_encode_h264_configure,
+
+ .sequence_params_size = sizeof(VAEncSequenceParameterBufferH264),
+ .init_sequence_params = &vaapi_encode_h264_init_sequence_params,
+
+ .picture_params_size = sizeof(VAEncPictureParameterBufferH264),
+ .init_picture_params = &vaapi_encode_h264_init_picture_params,
+
+ .slice_params_size = sizeof(VAEncSliceParameterBufferH264),
+ .init_slice_params = &vaapi_encode_h264_init_slice_params,
+
+ .sequence_header_type = VAEncPackedHeaderSequence,
+ .write_sequence_header = &vaapi_encode_h264_write_sequence_header,
+
+ .slice_header_type = VAEncPackedHeaderH264_Slice,
+ .write_slice_header = &vaapi_encode_h264_write_slice_header,
+
+ .write_extra_header = &vaapi_encode_h264_write_extra_header,
+};
+
+static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ VAAPIEncodeH264Options *opt =
+ (VAAPIEncodeH264Options*)ctx->codec_options_data;
+
+ ctx->codec = &vaapi_encode_type_h264;
switch (avctx->profile) {
case FF_PROFILE_H264_CONSTRAINED_BASELINE:
avctx->profile);
return AVERROR(EINVAL);
}
- ctx->va_entrypoint = VAEntrypointEncSlice;
-
- ctx->va_rc_mode = VA_RC_CQP;
-
- ctx->input_width = avctx->width;
- ctx->input_height = avctx->height;
- ctx->aligned_width = FFALIGN(ctx->input_width, 16);
- ctx->aligned_height = FFALIGN(ctx->input_height, 16);
- priv->mb_width = ctx->aligned_width / 16;
- priv->mb_height = ctx->aligned_height / 16;
-
- if (avctx->bit_rate > 0) {
- av_log(avctx, AV_LOG_ERROR, "Constant bitrate encoding is not "
- "supported!\n");
- return AVERROR_PATCHWELCOME;
+ if (opt->low_power) {
+#if VA_CHECK_VERSION(0, 39, 2)
+ ctx->va_entrypoint = VAEntrypointEncSliceLP;
+#else
+ av_log(avctx, AV_LOG_ERROR, "Low-power encoding is not "
+ "supported with this VAAPI version.\n");
+ return AVERROR(EINVAL);
+#endif
+ } else {
+ ctx->va_entrypoint = VAEntrypointEncSlice;
}
- priv->fixed_qp_p = avctx->global_quality;
- if (avctx->i_quant_factor > 0.0)
- priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
- avctx->i_quant_offset) + 0.5);
- else
- priv->fixed_qp_idr = priv->fixed_qp_p;
- if (avctx->b_quant_factor > 0.0)
- priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
- avctx->b_quant_offset) + 0.5);
- else
- priv->fixed_qp_b = priv->fixed_qp_p;
- av_log(avctx, AV_LOG_DEBUG, "QP = %d / %d / %d for IDR / P / B frames.\n",
- priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
-
- ctx->config_attributes = vaapi_encode_h264_config_attributes;
- ctx->nb_config_attributes =
- FF_ARRAY_ELEMS(vaapi_encode_h264_config_attributes);
-
- ctx->nb_recon_frames = 20;
+ // Only 8-bit encode is supported.
+ ctx->va_rt_format = VA_RT_FORMAT_YUV420;
- return 0;
+ if (avctx->bit_rate > 0) {
+ if (avctx->rc_max_rate == avctx->bit_rate)
+ ctx->va_rc_mode = VA_RC_CBR;
+ else
+ ctx->va_rc_mode = VA_RC_VBR;
+ } else
+ ctx->va_rc_mode = VA_RC_CQP;
+
+ ctx->va_packed_headers =
+ VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS.
+ VA_ENC_PACKED_HEADER_SLICE | // Slice headers.
+ VA_ENC_PACKED_HEADER_MISC; // SEI.
+
+ ctx->surface_width = FFALIGN(avctx->width, 16);
+ ctx->surface_height = FFALIGN(avctx->height, 16);
+
+ return ff_vaapi_encode_init(avctx);
}
-static VAAPIEncodeType vaapi_encode_type_h264 = {
- .priv_data_size = sizeof(VAAPIEncodeH264Context),
-
- .init = &vaapi_encode_h264_init_internal,
-
- .sequence_params_size = sizeof(VAEncSequenceParameterBufferH264),
- .init_sequence_params = &vaapi_encode_h264_init_sequence_params,
-
- .picture_params_size = sizeof(VAEncPictureParameterBufferH264),
- .init_picture_params = &vaapi_encode_h264_init_picture_params,
-
- .slice_params_size = sizeof(VAEncSliceParameterBufferH264),
- .init_slice_params = &vaapi_encode_h264_init_slice_params,
-
- .sequence_header_type = VAEncPackedHeaderSequence,
- .write_sequence_header = &vaapi_encode_h264_write_sequence_header,
-
- .slice_header_type = VAEncPackedHeaderH264_Slice,
- .write_slice_header = &vaapi_encode_h264_write_slice_header,
+#define OFFSET(x) (offsetof(VAAPIEncodeContext, codec_options_data) + \
+ offsetof(VAAPIEncodeH264Options, x))
+#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
+static const AVOption vaapi_encode_h264_options[] = {
+ { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
+ OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 20 }, 0, 52, FLAGS },
+ { "quality", "Set encode quality (trades off against speed, higher is faster)",
+ OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 8, FLAGS },
+ { "low_power", "Use low-power encoding mode (experimental: only supported "
+ "on some platforms, does not support all features)",
+ OFFSET(low_power), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
+ { NULL },
};
-static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
-{
- return ff_vaapi_encode_init(avctx, &vaapi_encode_type_h264);
-}
-
static const AVCodecDefault vaapi_encode_h264_defaults[] = {
{ "profile", "100" },
{ "level", "51" },
{ "b", "0" },
{ "bf", "2" },
{ "g", "120" },
- { "global_quality", "20" },
{ "i_qfactor", "1.0" },
{ "i_qoffset", "0.0" },
{ "b_qfactor", "1.2" },
{ "b_qoffset", "0.0" },
+ { "qmin", "0" },
{ NULL },
};
static const AVClass vaapi_encode_h264_class = {
.class_name = "h264_vaapi",
.item_name = av_default_item_name,
+ .option = vaapi_encode_h264_options,
.version = LIBAVUTIL_VERSION_INT,
};
.long_name = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_H264,
- .priv_data_size = sizeof(VAAPIEncodeContext),
+ .priv_data_size = (sizeof(VAAPIEncodeContext) +
+ sizeof(VAAPIEncodeH264Options)),
.init = &vaapi_encode_h264_init,
.encode2 = &ff_vaapi_encode2,
.close = &ff_vaapi_encode_close,
projects / ffmpeg / blobdiff