| // Copyright 2020 Cloudinary. All rights reserved. |
| // SPDX-License-Identifier: BSD-2-Clause |
| |
| #include "avif/internal.h" |
| |
| #include "svt-av1/EbSvtAv1.h" |
| |
| #include "svt-av1/EbSvtAv1Enc.h" |
| |
| #include <string.h> |
| |
| // The SVT_AV1_VERSION_MAJOR, SVT_AV1_VERSION_MINOR, SVT_AV1_VERSION_PATCHLEVEL, and |
| // SVT_AV1_CHECK_VERSION macros were added in SVT-AV1 v0.9.0. Define these macros for older |
| // versions of SVT-AV1. |
| #ifndef SVT_AV1_VERSION_MAJOR |
| #define SVT_AV1_VERSION_MAJOR SVT_VERSION_MAJOR |
| #define SVT_AV1_VERSION_MINOR SVT_VERSION_MINOR |
| #define SVT_AV1_VERSION_PATCHLEVEL SVT_VERSION_PATCHLEVEL |
| // clang-format off |
| #define SVT_AV1_CHECK_VERSION(major, minor, patch) \ |
| (SVT_AV1_VERSION_MAJOR > (major) || \ |
| (SVT_AV1_VERSION_MAJOR == (major) && SVT_AV1_VERSION_MINOR > (minor)) || \ |
| (SVT_AV1_VERSION_MAJOR == (major) && SVT_AV1_VERSION_MINOR == (minor) && \ |
| SVT_AV1_VERSION_PATCHLEVEL >= (patch))) |
| // clang-format on |
| #endif |
| |
| #if !SVT_AV1_CHECK_VERSION(0, 9, 0) |
| #define STR_HELPER(x) #x |
| #define STR(x) STR_HELPER(x) |
| #define SVT_FULL_VERSION "v" STR(SVT_AV1_VERSION_MAJOR) "." STR(SVT_AV1_VERSION_MINOR) "." STR(SVT_AV1_VERSION_PATCHLEVEL) |
| #endif |
| |
| typedef struct avifCodecInternal |
| { |
| /* SVT-AV1 Encoder Handle */ |
| EbComponentType * svt_encoder; |
| |
| EbSvtAv1EncConfiguration svt_config; |
| } avifCodecInternal; |
| |
| static avifBool allocate_svt_buffers(EbBufferHeaderType ** input_buf); |
| static avifResult dequeue_frame(avifCodec * codec, avifCodecEncodeOutput * output, avifBool done_sending_pics); |
| |
| static avifResult svtCodecEncodeImage(avifCodec * codec, |
| avifEncoder * encoder, |
| const avifImage * image, |
| avifBool alpha, |
| int tileRowsLog2, |
| int tileColsLog2, |
| int quantizer, |
| avifEncoderChanges encoderChanges, |
| avifBool disableLaggedOutput, |
| uint32_t addImageFlags, |
| avifCodecEncodeOutput * output) |
| { |
| // SVT-AV1 does not support changing encoder settings. |
| if (encoderChanges) { |
| return AVIF_RESULT_NOT_IMPLEMENTED; |
| } |
| |
| // SVT-AV1 does not support changing image dimensions. |
| if (codec->internal->svt_encoder != NULL) { |
| if ((codec->internal->svt_config.source_width != image->width) || (codec->internal->svt_config.source_height != image->height)) { |
| return AVIF_RESULT_NOT_IMPLEMENTED; |
| } |
| } |
| |
| // SVT-AV1 does not support encoding layered image. |
| if (encoder->extraLayerCount > 0) { |
| return AVIF_RESULT_NOT_IMPLEMENTED; |
| } |
| |
| // SVT-AV1 does not support disabling lagged output. Ignore this setting. |
| (void)disableLaggedOutput; |
| |
| avifResult result = AVIF_RESULT_UNKNOWN_ERROR; |
| EbColorFormat color_format = EB_YUV420; |
| EbBufferHeaderType * input_buffer = NULL; |
| EbErrorType res = EB_ErrorNone; |
| |
| int y_shift = 0; |
| // EbColorRange svt_range; |
| if (alpha) { |
| // svt_range = EB_CR_FULL_RANGE; |
| y_shift = 1; |
| } else { |
| // svt_range = (image->yuvRange == AVIF_RANGE_FULL) ? EB_CR_FULL_RANGE : EB_CR_STUDIO_RANGE; |
| switch (image->yuvFormat) { |
| case AVIF_PIXEL_FORMAT_YUV444: |
| color_format = EB_YUV444; |
| break; |
| case AVIF_PIXEL_FORMAT_YUV422: |
| color_format = EB_YUV422; |
| break; |
| case AVIF_PIXEL_FORMAT_YUV420: |
| color_format = EB_YUV420; |
| y_shift = 1; |
| break; |
| case AVIF_PIXEL_FORMAT_YUV400: |
| case AVIF_PIXEL_FORMAT_NONE: |
| case AVIF_PIXEL_FORMAT_COUNT: |
| default: |
| return AVIF_RESULT_UNKNOWN_ERROR; |
| } |
| } |
| |
| if (codec->internal->svt_encoder == NULL) { |
| EbSvtAv1EncConfiguration * svt_config = &codec->internal->svt_config; |
| // Zero-initialize svt_config because svt_av1_enc_init_handle() does not set many fields of svt_config. |
| // See https://gitlab.com/AOMediaCodec/SVT-AV1/-/issues/1697. |
| memset(svt_config, 0, sizeof(EbSvtAv1EncConfiguration)); |
| |
| res = svt_av1_enc_init_handle(&codec->internal->svt_encoder, NULL, svt_config); |
| if (res != EB_ErrorNone) { |
| goto cleanup; |
| } |
| svt_config->encoder_color_format = color_format; |
| svt_config->encoder_bit_depth = (uint8_t)image->depth; |
| #if !SVT_AV1_CHECK_VERSION(0, 9, 0) |
| svt_config->is_16bit_pipeline = image->depth > 8; |
| #endif |
| |
| // Follow comment in svt header: set if input is HDR10 BT2020 using SMPTE ST2084. |
| svt_config->high_dynamic_range_input = (image->depth == 10 && image->colorPrimaries == AVIF_COLOR_PRIMARIES_BT2020 && |
| image->transferCharacteristics == AVIF_TRANSFER_CHARACTERISTICS_SMPTE2084 && |
| image->matrixCoefficients == AVIF_MATRIX_COEFFICIENTS_BT2020_NCL); |
| |
| svt_config->source_width = image->width; |
| svt_config->source_height = image->height; |
| svt_config->logical_processors = encoder->maxThreads; |
| svt_config->enable_adaptive_quantization = 2; |
| // disable 2-pass |
| #if SVT_AV1_CHECK_VERSION(0, 9, 0) |
| svt_config->rc_stats_buffer = (SvtAv1FixedBuf) { NULL, 0 }; |
| #else |
| svt_config->rc_firstpass_stats_out = AVIF_FALSE; |
| svt_config->rc_twopass_stats_in = (SvtAv1FixedBuf) { NULL, 0 }; |
| #endif |
| |
| svt_config->rate_control_mode = 0; // CRF because enable_adaptive_quantization is 2 |
| if (alpha) { |
| svt_config->min_qp_allowed = AVIF_CLAMP(encoder->minQuantizerAlpha, 0, 63); |
| svt_config->max_qp_allowed = AVIF_CLAMP(encoder->maxQuantizerAlpha, 0, 63); |
| } else { |
| svt_config->min_qp_allowed = AVIF_CLAMP(encoder->minQuantizer, 0, 63); |
| svt_config->max_qp_allowed = AVIF_CLAMP(encoder->maxQuantizer, 0, 63); |
| } |
| svt_config->qp = quantizer; |
| |
| if (tileRowsLog2 != 0) { |
| svt_config->tile_rows = tileRowsLog2; |
| } |
| if (tileColsLog2 != 0) { |
| svt_config->tile_columns = tileColsLog2; |
| } |
| if (encoder->speed != AVIF_SPEED_DEFAULT) { |
| int speed = AVIF_CLAMP(encoder->speed, 0, 8); |
| svt_config->enc_mode = (int8_t)speed; |
| } |
| |
| if (color_format == EB_YUV422 || image->depth > 10) { |
| svt_config->profile = PROFESSIONAL_PROFILE; |
| } else if (color_format == EB_YUV444) { |
| svt_config->profile = HIGH_PROFILE; |
| } |
| |
| // In order for SVT-AV1 to force keyframes by setting pic_type to |
| // EB_AV1_KEY_PICTURE on any frame, force_key_frames has to be set. |
| svt_config->force_key_frames = TRUE; |
| |
| // keyframeInterval == 1 case is handled when encoding each frame by |
| // setting pic_type to EB_AV1_KEY_PICTURE. For keyframeInterval > 1, |
| // set the intra_period_length. Even though setting intra_period_length |
| // to 0 should work in this case, it does not. |
| if (encoder->keyframeInterval > 1) { |
| svt_config->intra_period_length = encoder->keyframeInterval - 1; |
| } |
| |
| res = svt_av1_enc_set_parameter(codec->internal->svt_encoder, svt_config); |
| if (res == EB_ErrorBadParameter) { |
| goto cleanup; |
| } |
| |
| res = svt_av1_enc_init(codec->internal->svt_encoder); |
| if (res != EB_ErrorNone) { |
| goto cleanup; |
| } |
| } |
| |
| if (!allocate_svt_buffers(&input_buffer)) { |
| goto cleanup; |
| } |
| EbSvtIOFormat * input_picture_buffer = (EbSvtIOFormat *)input_buffer->p_buffer; |
| |
| int bytesPerPixel = image->depth > 8 ? 2 : 1; |
| if (alpha) { |
| input_picture_buffer->y_stride = image->alphaRowBytes / bytesPerPixel; |
| input_picture_buffer->luma = image->alphaPlane; |
| input_buffer->n_filled_len = image->alphaRowBytes * image->height; |
| } else { |
| input_picture_buffer->y_stride = image->yuvRowBytes[0] / bytesPerPixel; |
| input_picture_buffer->luma = image->yuvPlanes[0]; |
| input_buffer->n_filled_len = image->yuvRowBytes[0] * image->height; |
| uint32_t uvHeight = (image->height + y_shift) >> y_shift; |
| input_picture_buffer->cb = image->yuvPlanes[1]; |
| input_buffer->n_filled_len += image->yuvRowBytes[1] * uvHeight; |
| input_picture_buffer->cr = image->yuvPlanes[2]; |
| input_buffer->n_filled_len += image->yuvRowBytes[2] * uvHeight; |
| input_picture_buffer->cb_stride = image->yuvRowBytes[1] / bytesPerPixel; |
| input_picture_buffer->cr_stride = image->yuvRowBytes[2] / bytesPerPixel; |
| } |
| |
| input_buffer->flags = 0; |
| input_buffer->pts = 0; |
| |
| EbAv1PictureType frame_type = EB_AV1_INVALID_PICTURE; |
| if ((addImageFlags & AVIF_ADD_IMAGE_FLAG_FORCE_KEYFRAME) || (encoder->keyframeInterval == 1)) { |
| frame_type = EB_AV1_KEY_PICTURE; |
| } |
| input_buffer->pic_type = frame_type; |
| |
| res = svt_av1_enc_send_picture(codec->internal->svt_encoder, input_buffer); |
| if (res != EB_ErrorNone) { |
| goto cleanup; |
| } |
| |
| result = dequeue_frame(codec, output, AVIF_FALSE); |
| cleanup: |
| if (input_buffer) { |
| if (input_buffer->p_buffer) { |
| avifFree(input_buffer->p_buffer); |
| } |
| avifFree(input_buffer); |
| } |
| return result; |
| } |
| |
| static avifBool svtCodecEncodeFinish(avifCodec * codec, avifCodecEncodeOutput * output) |
| { |
| EbErrorType ret = EB_ErrorNone; |
| |
| EbBufferHeaderType input_buffer; |
| input_buffer.n_alloc_len = 0; |
| input_buffer.n_filled_len = 0; |
| input_buffer.n_tick_count = 0; |
| input_buffer.p_app_private = NULL; |
| input_buffer.flags = EB_BUFFERFLAG_EOS; |
| input_buffer.p_buffer = NULL; |
| input_buffer.metadata = NULL; |
| |
| // flush |
| ret = svt_av1_enc_send_picture(codec->internal->svt_encoder, &input_buffer); |
| |
| if (ret != EB_ErrorNone) |
| return AVIF_FALSE; |
| |
| return (dequeue_frame(codec, output, AVIF_TRUE) == AVIF_RESULT_OK); |
| } |
| |
| const char * avifCodecVersionSvt(void) |
| { |
| #if SVT_AV1_CHECK_VERSION(0, 9, 0) |
| return svt_av1_get_version(); |
| #else |
| return SVT_FULL_VERSION; |
| #endif |
| } |
| |
| static void svtCodecDestroyInternal(avifCodec * codec) |
| { |
| if (codec->internal->svt_encoder) { |
| svt_av1_enc_deinit(codec->internal->svt_encoder); |
| svt_av1_enc_deinit_handle(codec->internal->svt_encoder); |
| codec->internal->svt_encoder = NULL; |
| } |
| avifFree(codec->internal); |
| } |
| |
| avifCodec * avifCodecCreateSvt(void) |
| { |
| avifCodec * codec = (avifCodec *)avifAlloc(sizeof(avifCodec)); |
| memset(codec, 0, sizeof(struct avifCodec)); |
| codec->encodeImage = svtCodecEncodeImage; |
| codec->encodeFinish = svtCodecEncodeFinish; |
| codec->destroyInternal = svtCodecDestroyInternal; |
| |
| codec->internal = (struct avifCodecInternal *)avifAlloc(sizeof(avifCodecInternal)); |
| memset(codec->internal, 0, sizeof(struct avifCodecInternal)); |
| return codec; |
| } |
| |
| static avifBool allocate_svt_buffers(EbBufferHeaderType ** input_buf) |
| { |
| *input_buf = avifAlloc(sizeof(EbBufferHeaderType)); |
| if (!(*input_buf)) { |
| return AVIF_FALSE; |
| } |
| (*input_buf)->p_buffer = avifAlloc(sizeof(EbSvtIOFormat)); |
| if (!(*input_buf)->p_buffer) { |
| return AVIF_FALSE; |
| } |
| memset((*input_buf)->p_buffer, 0, sizeof(EbSvtIOFormat)); |
| (*input_buf)->size = sizeof(EbBufferHeaderType); |
| (*input_buf)->p_app_private = NULL; |
| (*input_buf)->pic_type = EB_AV1_INVALID_PICTURE; |
| (*input_buf)->metadata = NULL; |
| |
| return AVIF_TRUE; |
| } |
| |
| static avifResult dequeue_frame(avifCodec * codec, avifCodecEncodeOutput * output, avifBool done_sending_pics) |
| { |
| EbErrorType res; |
| int encode_at_eos = 0; |
| |
| do { |
| EbBufferHeaderType * output_buf = NULL; |
| |
| res = svt_av1_enc_get_packet(codec->internal->svt_encoder, &output_buf, (uint8_t)done_sending_pics); |
| if (output_buf != NULL) { |
| encode_at_eos = ((output_buf->flags & EB_BUFFERFLAG_EOS) == EB_BUFFERFLAG_EOS); |
| if (output_buf->p_buffer && (output_buf->n_filled_len > 0)) { |
| const avifResult result = avifCodecEncodeOutputAddSample(output, |
| output_buf->p_buffer, |
| output_buf->n_filled_len, |
| (output_buf->pic_type == EB_AV1_KEY_PICTURE)); |
| if (result != AVIF_RESULT_OK) { |
| svt_av1_enc_release_out_buffer(&output_buf); |
| return result; |
| } |
| } |
| svt_av1_enc_release_out_buffer(&output_buf); |
| } |
| output_buf = NULL; |
| } while (res == EB_ErrorNone && !encode_at_eos); |
| if (!done_sending_pics && ((res == EB_ErrorNone) || (res == EB_NoErrorEmptyQueue))) |
| return AVIF_RESULT_OK; |
| return (res == EB_ErrorNone ? AVIF_RESULT_OK : AVIF_RESULT_UNKNOWN_ERROR); |
| } |
