/* * This file is part of FFmpeg. * * FFmpeg 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. * * FFmpeg 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include "libavutil/avassert.h" #include "libavutil/common.h" #include "libavutil/log.h" #include "libavutil/pixdesc.h" #include "vaapi_encode.h" #include "avcodec.h" static const char * const picture_type_name[] = { "IDR", "I", "P", "B" }; static int vaapi_encode_make_packed_header(AVCodecContext *avctx, VAAPIEncodePicture *pic, int type, char *data, size_t bit_len) { VAAPIEncodeContext *ctx = avctx->priv_data; VAStatus vas; VABufferID param_buffer, data_buffer; VABufferID *tmp; VAEncPackedHeaderParameterBuffer params = { .type = type, .bit_length = bit_len, .has_emulation_bytes = 1, }; tmp = av_realloc_array(pic->param_buffers, sizeof(*tmp), pic->nb_param_buffers + 2); if (!tmp) return AVERROR(ENOMEM); pic->param_buffers = tmp; vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context, VAEncPackedHeaderParameterBufferType, sizeof(params), 1, ¶ms, ¶m_buffer); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer " "for packed header (type %d): %d (%s).\n", type, vas, vaErrorStr(vas)); return AVERROR(EIO); } pic->param_buffers[pic->nb_param_buffers++] = param_buffer; vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context, VAEncPackedHeaderDataBufferType, (bit_len + 7) / 8, 1, data, &data_buffer); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to create data buffer " "for packed header (type %d): %d (%s).\n", type, vas, vaErrorStr(vas)); return AVERROR(EIO); } pic->param_buffers[pic->nb_param_buffers++] = data_buffer; av_log(avctx, AV_LOG_DEBUG, "Packed header buffer (%d) is %#x/%#x " "(%zu bits).\n", type, param_buffer, data_buffer, bit_len); return 0; } static int vaapi_encode_make_param_buffer(AVCodecContext *avctx, VAAPIEncodePicture *pic, int type, char *data, size_t len) { VAAPIEncodeContext *ctx = avctx->priv_data; VAStatus vas; VABufferID *tmp; VABufferID buffer; tmp = av_realloc_array(pic->param_buffers, sizeof(*tmp), pic->nb_param_buffers + 1); if (!tmp) return AVERROR(ENOMEM); pic->param_buffers = tmp; vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context, type, len, 1, data, &buffer); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer " "(type %d): %d (%s).\n", type, vas, vaErrorStr(vas)); return AVERROR(EIO); } pic->param_buffers[pic->nb_param_buffers++] = buffer; av_log(avctx, AV_LOG_DEBUG, "Param buffer (%d) is %#x.\n", type, buffer); return 0; } static int vaapi_encode_make_misc_param_buffer(AVCodecContext *avctx, VAAPIEncodePicture *pic, int type, const void *data, size_t len) { // Construct the buffer on the stack - 1KB is much larger than any // current misc parameter buffer type (the largest is EncQuality at // 224 bytes). uint8_t buffer[1024]; VAEncMiscParameterBuffer header = { .type = type, }; size_t buffer_size = sizeof(header) + len; av_assert0(buffer_size <= sizeof(buffer)); memcpy(buffer, &header, sizeof(header)); memcpy(buffer + sizeof(header), data, len); return vaapi_encode_make_param_buffer(avctx, pic, VAEncMiscParameterBufferType, buffer, buffer_size); } static int vaapi_encode_wait(AVCodecContext *avctx, VAAPIEncodePicture *pic) { VAAPIEncodeContext *ctx = avctx->priv_data; VAStatus vas; av_assert0(pic->encode_issued); if (pic->encode_complete) { // Already waited for this picture. return 0; } av_log(avctx, AV_LOG_DEBUG, "Sync to pic %"PRId64"/%"PRId64" " "(input surface %#x).\n", pic->display_order, pic->encode_order, pic->input_surface); vas = vaSyncSurface(ctx->hwctx->display, pic->input_surface); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to sync to picture completion: " "%d (%s).\n", vas, vaErrorStr(vas)); return AVERROR(EIO); } // Input is definitely finished with now. av_frame_free(&pic->input_image); pic->encode_complete = 1; return 0; } static int vaapi_encode_issue(AVCodecContext *avctx, VAAPIEncodePicture *pic) { VAAPIEncodeContext *ctx = avctx->priv_data; VAAPIEncodeSlice *slice; VAStatus vas; int err, i; char data[MAX_PARAM_BUFFER_SIZE]; size_t bit_len; av_unused AVFrameSideData *sd; av_log(avctx, AV_LOG_DEBUG, "Issuing encode for pic %"PRId64"/%"PRId64" " "as type %s.\n", pic->display_order, pic->encode_order, picture_type_name[pic->type]); if (pic->nb_refs == 0) { av_log(avctx, AV_LOG_DEBUG, "No reference pictures.\n"); } else { av_log(avctx, AV_LOG_DEBUG, "Refers to:"); for (i = 0; i < pic->nb_refs; i++) { av_log(avctx, AV_LOG_DEBUG, " %"PRId64"/%"PRId64, pic->refs[i]->display_order, pic->refs[i]->encode_order); } av_log(avctx, AV_LOG_DEBUG, ".\n"); } av_assert0(!pic->encode_issued); for (i = 0; i < pic->nb_refs; i++) { av_assert0(pic->refs[i]); av_assert0(pic->refs[i]->encode_issued); } av_log(avctx, AV_LOG_DEBUG, "Input surface is %#x.\n", pic->input_surface); pic->recon_image = av_frame_alloc(); if (!pic->recon_image) { err = AVERROR(ENOMEM); goto fail; } err = av_hwframe_get_buffer(ctx->recon_frames_ref, pic->recon_image, 0); if (err < 0) { err = AVERROR(ENOMEM); goto fail; } pic->recon_surface = (VASurfaceID)(uintptr_t)pic->recon_image->data[3]; av_log(avctx, AV_LOG_DEBUG, "Recon surface is %#x.\n", pic->recon_surface); pic->output_buffer_ref = av_buffer_pool_get(ctx->output_buffer_pool); if (!pic->output_buffer_ref) { err = AVERROR(ENOMEM); goto fail; } pic->output_buffer = (VABufferID)(uintptr_t)pic->output_buffer_ref->data; av_log(avctx, AV_LOG_DEBUG, "Output buffer is %#x.\n", pic->output_buffer); if (ctx->codec->picture_params_size > 0) { pic->codec_picture_params = av_malloc(ctx->codec->picture_params_size); if (!pic->codec_picture_params) goto fail; memcpy(pic->codec_picture_params, ctx->codec_picture_params, ctx->codec->picture_params_size); } else { av_assert0(!ctx->codec_picture_params); } pic->nb_param_buffers = 0; if (pic->type == PICTURE_TYPE_IDR && ctx->codec->init_sequence_params) { err = vaapi_encode_make_param_buffer(avctx, pic, VAEncSequenceParameterBufferType, ctx->codec_sequence_params, ctx->codec->sequence_params_size); if (err < 0) goto fail; } if (pic->type == PICTURE_TYPE_IDR) { for (i = 0; i < ctx->nb_global_params; i++) { err = vaapi_encode_make_misc_param_buffer(avctx, pic, ctx->global_params_type[i], ctx->global_params[i], ctx->global_params_size[i]); if (err < 0) goto fail; } } if (ctx->codec->init_picture_params) { err = ctx->codec->init_picture_params(avctx, pic); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to initialise picture " "parameters: %d.\n", err); goto fail; } err = vaapi_encode_make_param_buffer(avctx, pic, VAEncPictureParameterBufferType, pic->codec_picture_params, ctx->codec->picture_params_size); if (err < 0) goto fail; } if (pic->type == PICTURE_TYPE_IDR) { if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE && ctx->codec->write_sequence_header) { bit_len = 8 * sizeof(data); err = ctx->codec->write_sequence_header(avctx, data, &bit_len); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to write per-sequence " "header: %d.\n", err); goto fail; } err = vaapi_encode_make_packed_header(avctx, pic, ctx->codec->sequence_header_type, data, bit_len); if (err < 0) goto fail; } } if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_PICTURE && ctx->codec->write_picture_header) { bit_len = 8 * sizeof(data); err = ctx->codec->write_picture_header(avctx, pic, data, &bit_len); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to write per-picture " "header: %d.\n", err); goto fail; } err = vaapi_encode_make_packed_header(avctx, pic, ctx->codec->picture_header_type, data, bit_len); if (err < 0) goto fail; } if (ctx->codec->write_extra_buffer) { for (i = 0;; i++) { size_t len = sizeof(data); int type; err = ctx->codec->write_extra_buffer(avctx, pic, i, &type, data, &len); if (err == AVERROR_EOF) break; if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to write extra " "buffer %d: %d.\n", i, err); goto fail; } err = vaapi_encode_make_param_buffer(avctx, pic, type, data, len); if (err < 0) goto fail; } } if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_MISC && ctx->codec->write_extra_header) { for (i = 0;; i++) { int type; bit_len = 8 * sizeof(data); err = ctx->codec->write_extra_header(avctx, pic, i, &type, data, &bit_len); if (err == AVERROR_EOF) break; if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to write extra " "header %d: %d.\n", i, err); goto fail; } err = vaapi_encode_make_packed_header(avctx, pic, type, data, bit_len); if (err < 0) goto fail; } } if (pic->nb_slices == 0) pic->nb_slices = ctx->nb_slices; if (pic->nb_slices > 0) { int rounding; pic->slices = av_mallocz_array(pic->nb_slices, sizeof(*pic->slices)); if (!pic->slices) { err = AVERROR(ENOMEM); goto fail; } for (i = 0; i < pic->nb_slices; i++) pic->slices[i].row_size = ctx->slice_size; rounding = ctx->slice_block_rows - ctx->nb_slices * ctx->slice_size; if (rounding > 0) { // Place rounding error at top and bottom of frame. av_assert0(rounding < pic->nb_slices); // Some Intel drivers contain a bug where the encoder will fail // if the last slice is smaller than the one before it. Since // that's straightforward to avoid here, just do so. if (rounding <= 2) { for (i = 0; i < rounding; i++) ++pic->slices[i].row_size; } else { for (i = 0; i < (rounding + 1) / 2; i++) ++pic->slices[pic->nb_slices - i - 1].row_size; for (i = 0; i < rounding / 2; i++) ++pic->slices[i].row_size; } } else if (rounding < 0) { // Remove rounding error from last slice only. av_assert0(rounding < ctx->slice_size); pic->slices[pic->nb_slices - 1].row_size += rounding; } } for (i = 0; i < pic->nb_slices; i++) { slice = &pic->slices[i]; slice->index = i; if (i == 0) { slice->row_start = 0; slice->block_start = 0; } else { const VAAPIEncodeSlice *prev = &pic->slices[i - 1]; slice->row_start = prev->row_start + prev->row_size; slice->block_start = prev->block_start + prev->block_size; } slice->block_size = slice->row_size * ctx->slice_block_cols; av_log(avctx, AV_LOG_DEBUG, "Slice %d: %d-%d (%d rows), " "%d-%d (%d blocks).\n", i, slice->row_start, slice->row_start + slice->row_size - 1, slice->row_size, slice->block_start, slice->block_start + slice->block_size - 1, slice->block_size); if (ctx->codec->slice_params_size > 0) { slice->codec_slice_params = av_mallocz(ctx->codec->slice_params_size); if (!slice->codec_slice_params) { err = AVERROR(ENOMEM); goto fail; } } if (ctx->codec->init_slice_params) { err = ctx->codec->init_slice_params(avctx, pic, slice); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to initialise slice " "parameters: %d.\n", err); goto fail; } } if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SLICE && ctx->codec->write_slice_header) { bit_len = 8 * sizeof(data); err = ctx->codec->write_slice_header(avctx, pic, slice, data, &bit_len); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to write per-slice " "header: %d.\n", err); goto fail; } err = vaapi_encode_make_packed_header(avctx, pic, ctx->codec->slice_header_type, data, bit_len); if (err < 0) goto fail; } if (ctx->codec->init_slice_params) { err = vaapi_encode_make_param_buffer(avctx, pic, VAEncSliceParameterBufferType, slice->codec_slice_params, ctx->codec->slice_params_size); if (err < 0) goto fail; } } #if VA_CHECK_VERSION(1, 0, 0) sd = av_frame_get_side_data(pic->input_image, AV_FRAME_DATA_REGIONS_OF_INTEREST); if (sd && ctx->roi_allowed) { const AVRegionOfInterest *roi; uint32_t roi_size; VAEncMiscParameterBufferROI param_roi; int nb_roi, i, v; roi = (const AVRegionOfInterest*)sd->data; roi_size = roi->self_size; av_assert0(roi_size && sd->size % roi_size == 0); nb_roi = sd->size / roi_size; if (nb_roi > ctx->roi_max_regions) { if (!ctx->roi_warned) { av_log(avctx, AV_LOG_WARNING, "More ROIs set than " "supported by driver (%d > %d).\n", nb_roi, ctx->roi_max_regions); ctx->roi_warned = 1; } nb_roi = ctx->roi_max_regions; } pic->roi = av_mallocz_array(nb_roi, sizeof(*pic->roi)); if (!pic->roi) { err = AVERROR(ENOMEM); goto fail; } // For overlapping regions, the first in the array takes priority. for (i = 0; i < nb_roi; i++) { roi = (const AVRegionOfInterest*)(sd->data + roi_size * i); av_assert0(roi->qoffset.den != 0); v = roi->qoffset.num * ctx->roi_quant_range / roi->qoffset.den; av_log(avctx, AV_LOG_DEBUG, "ROI: (%d,%d)-(%d,%d) -> %+d.\n", roi->top, roi->left, roi->bottom, roi->right, v); pic->roi[i] = (VAEncROI) { .roi_rectangle = { .x = roi->left, .y = roi->top, .width = roi->right - roi->left, .height = roi->bottom - roi->top, }, .roi_value = av_clip_int8(v), }; } param_roi = (VAEncMiscParameterBufferROI) { .num_roi = nb_roi, .max_delta_qp = INT8_MAX, .min_delta_qp = INT8_MIN, .roi = pic->roi, .roi_flags.bits.roi_value_is_qp_delta = 1, }; err = vaapi_encode_make_misc_param_buffer(avctx, pic, VAEncMiscParameterTypeROI, ¶m_roi, sizeof(param_roi)); if (err < 0) goto fail; } #endif vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context, pic->input_surface); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to begin picture encode issue: " "%d (%s).\n", vas, vaErrorStr(vas)); err = AVERROR(EIO); goto fail_with_picture; } vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context, pic->param_buffers, pic->nb_param_buffers); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to upload encode parameters: " "%d (%s).\n", vas, vaErrorStr(vas)); err = AVERROR(EIO); goto fail_with_picture; } vas = vaEndPicture(ctx->hwctx->display, ctx->va_context); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to end picture encode issue: " "%d (%s).\n", vas, vaErrorStr(vas)); err = AVERROR(EIO); // vaRenderPicture() has been called here, so we should not destroy // the parameter buffers unless separate destruction is required. if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks & AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) goto fail; else goto fail_at_end; } if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks & AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) { for (i = 0; i < pic->nb_param_buffers; i++) { vas = vaDestroyBuffer(ctx->hwctx->display, pic->param_buffers[i]); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to destroy " "param buffer %#x: %d (%s).\n", pic->param_buffers[i], vas, vaErrorStr(vas)); // And ignore. } } } pic->encode_issued = 1; return 0; fail_with_picture: vaEndPicture(ctx->hwctx->display, ctx->va_context); fail: for(i = 0; i < pic->nb_param_buffers; i++) vaDestroyBuffer(ctx->hwctx->display, pic->param_buffers[i]); for (i = 0; i < pic->nb_slices; i++) { if (pic->slices) { av_freep(&pic->slices[i].priv_data); av_freep(&pic->slices[i].codec_slice_params); } } fail_at_end: av_freep(&pic->codec_picture_params); av_freep(&pic->param_buffers); av_freep(&pic->slices); av_freep(&pic->roi); av_frame_free(&pic->recon_image); av_buffer_unref(&pic->output_buffer_ref); pic->output_buffer = VA_INVALID_ID; return err; } static int vaapi_encode_output(AVCodecContext *avctx, VAAPIEncodePicture *pic, AVPacket *pkt) { VAAPIEncodeContext *ctx = avctx->priv_data; VACodedBufferSegment *buf_list, *buf; VAStatus vas; int err; err = vaapi_encode_wait(avctx, pic); if (err < 0) return err; buf_list = NULL; vas = vaMapBuffer(ctx->hwctx->display, pic->output_buffer, (void**)&buf_list); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to map output buffers: " "%d (%s).\n", vas, vaErrorStr(vas)); err = AVERROR(EIO); goto fail; } for (buf = buf_list; buf; buf = buf->next) { av_log(avctx, AV_LOG_DEBUG, "Output buffer: %u bytes " "(status %08x).\n", buf->size, buf->status); err = av_new_packet(pkt, buf->size); if (err < 0) goto fail_mapped; memcpy(pkt->data, buf->buf, buf->size); } if (pic->type == PICTURE_TYPE_IDR) pkt->flags |= AV_PKT_FLAG_KEY; pkt->pts = pic->pts; vas = vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to unmap output buffers: " "%d (%s).\n", vas, vaErrorStr(vas)); err = AVERROR(EIO); goto fail; } av_buffer_unref(&pic->output_buffer_ref); pic->output_buffer = VA_INVALID_ID; av_log(avctx, AV_LOG_DEBUG, "Output read for pic %"PRId64"/%"PRId64".\n", pic->display_order, pic->encode_order); return 0; fail_mapped: vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer); fail: av_buffer_unref(&pic->output_buffer_ref); pic->output_buffer = VA_INVALID_ID; return err; } static int vaapi_encode_discard(AVCodecContext *avctx, VAAPIEncodePicture *pic) { vaapi_encode_wait(avctx, pic); if (pic->output_buffer_ref) { av_log(avctx, AV_LOG_DEBUG, "Discard output for pic " "%"PRId64"/%"PRId64".\n", pic->display_order, pic->encode_order); av_buffer_unref(&pic->output_buffer_ref); pic->output_buffer = VA_INVALID_ID; } return 0; } static VAAPIEncodePicture *vaapi_encode_alloc(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; VAAPIEncodePicture *pic; pic = av_mallocz(sizeof(*pic)); if (!pic) return NULL; if (ctx->codec->picture_priv_data_size > 0) { pic->priv_data = av_mallocz(ctx->codec->picture_priv_data_size); if (!pic->priv_data) { av_freep(&pic); return NULL; } } pic->input_surface = VA_INVALID_ID; pic->recon_surface = VA_INVALID_ID; pic->output_buffer = VA_INVALID_ID; return pic; } static int vaapi_encode_free(AVCodecContext *avctx, VAAPIEncodePicture *pic) { int i; if (pic->encode_issued) vaapi_encode_discard(avctx, pic); for (i = 0; i < pic->nb_slices; i++) { if (pic->slices) { av_freep(&pic->slices[i].priv_data); av_freep(&pic->slices[i].codec_slice_params); } } av_freep(&pic->codec_picture_params); av_frame_free(&pic->input_image); av_frame_free(&pic->recon_image); av_freep(&pic->param_buffers); av_freep(&pic->slices); // Output buffer should already be destroyed. av_assert0(pic->output_buffer == VA_INVALID_ID); av_freep(&pic->priv_data); av_freep(&pic->codec_picture_params); av_freep(&pic->roi); av_free(pic); return 0; } static void vaapi_encode_add_ref(AVCodecContext *avctx, VAAPIEncodePicture *pic, VAAPIEncodePicture *target, int is_ref, int in_dpb, int prev) { int refs = 0; if (is_ref) { av_assert0(pic != target); av_assert0(pic->nb_refs < MAX_PICTURE_REFERENCES); pic->refs[pic->nb_refs++] = target; ++refs; } if (in_dpb) { av_assert0(pic->nb_dpb_pics < MAX_DPB_SIZE); pic->dpb[pic->nb_dpb_pics++] = target; ++refs; } if (prev) { av_assert0(!pic->prev); pic->prev = target; ++refs; } target->ref_count[0] += refs; target->ref_count[1] += refs; } static void vaapi_encode_remove_refs(AVCodecContext *avctx, VAAPIEncodePicture *pic, int level) { int i; if (pic->ref_removed[level]) return; for (i = 0; i < pic->nb_refs; i++) { av_assert0(pic->refs[i]); --pic->refs[i]->ref_count[level]; av_assert0(pic->refs[i]->ref_count[level] >= 0); } for (i = 0; i < pic->nb_dpb_pics; i++) { av_assert0(pic->dpb[i]); --pic->dpb[i]->ref_count[level]; av_assert0(pic->dpb[i]->ref_count[level] >= 0); } av_assert0(pic->prev || pic->type == PICTURE_TYPE_IDR); if (pic->prev) { --pic->prev->ref_count[level]; av_assert0(pic->prev->ref_count[level] >= 0); } pic->ref_removed[level] = 1; } static void vaapi_encode_set_b_pictures(AVCodecContext *avctx, VAAPIEncodePicture *start, VAAPIEncodePicture *end, VAAPIEncodePicture *prev, int current_depth, VAAPIEncodePicture **last) { VAAPIEncodeContext *ctx = avctx->priv_data; VAAPIEncodePicture *pic, *next, *ref; int i, len; av_assert0(start && end && start != end && start->next != end); // If we are at the maximum depth then encode all pictures as // non-referenced B-pictures. Also do this if there is exactly one // picture left, since there will be nothing to reference it. if (current_depth == ctx->max_b_depth || start->next->next == end) { for (pic = start->next; pic; pic = pic->next) { if (pic == end) break; pic->type = PICTURE_TYPE_B; pic->b_depth = current_depth; vaapi_encode_add_ref(avctx, pic, start, 1, 1, 0); vaapi_encode_add_ref(avctx, pic, end, 1, 1, 0); vaapi_encode_add_ref(avctx, pic, prev, 0, 0, 1); for (ref = end->refs[1]; ref; ref = ref->refs[1]) vaapi_encode_add_ref(avctx, pic, ref, 0, 1, 0); } *last = prev; } else { // Split the current list at the midpoint with a referenced // B-picture, then descend into each side separately. len = 0; for (pic = start->next; pic != end; pic = pic->next) ++len; for (pic = start->next, i = 1; 2 * i < len; pic = pic->next, i++); pic->type = PICTURE_TYPE_B; pic->b_depth = current_depth; pic->is_reference = 1; vaapi_encode_add_ref(avctx, pic, pic, 0, 1, 0); vaapi_encode_add_ref(avctx, pic, start, 1, 1, 0); vaapi_encode_add_ref(avctx, pic, end, 1, 1, 0); vaapi_encode_add_ref(avctx, pic, prev, 0, 0, 1); for (ref = end->refs[1]; ref; ref = ref->refs[1]) vaapi_encode_add_ref(avctx, pic, ref, 0, 1, 0); if (i > 1) vaapi_encode_set_b_pictures(avctx, start, pic, pic, current_depth + 1, &next); else next = pic; vaapi_encode_set_b_pictures(avctx, pic, end, next, current_depth + 1, last); } } static int vaapi_encode_pick_next(AVCodecContext *avctx, VAAPIEncodePicture **pic_out) { VAAPIEncodeContext *ctx = avctx->priv_data; VAAPIEncodePicture *pic = NULL, *next, *start; int i, b_counter, closed_gop_end; // If there are any B-frames already queued, the next one to encode // is the earliest not-yet-issued frame for which all references are // available. for (pic = ctx->pic_start; pic; pic = pic->next) { if (pic->encode_issued) continue; if (pic->type != PICTURE_TYPE_B) continue; for (i = 0; i < pic->nb_refs; i++) { if (!pic->refs[i]->encode_issued) break; } if (i == pic->nb_refs) break; } if (pic) { av_log(avctx, AV_LOG_DEBUG, "Pick B-picture at depth %d to " "encode next.\n", pic->b_depth); *pic_out = pic; return 0; } // Find the B-per-Pth available picture to become the next picture // on the top layer. start = NULL; b_counter = 0; closed_gop_end = ctx->closed_gop || ctx->idr_counter == ctx->gop_per_idr; for (pic = ctx->pic_start; pic; pic = next) { next = pic->next; if (pic->encode_issued) { start = pic; continue; } // If the next available picture is force-IDR, encode it to start // a new GOP immediately. if (pic->force_idr) break; if (b_counter == ctx->b_per_p) break; // If this picture ends a closed GOP or starts a new GOP then it // needs to be in the top layer. if (ctx->gop_counter + b_counter + closed_gop_end >= ctx->gop_size) break; // If the picture after this one is force-IDR, we need to encode // this one in the top layer. if (next && next->force_idr) break; ++b_counter; } // At the end of the stream the last picture must be in the top layer. if (!pic && ctx->end_of_stream) { --b_counter; pic = ctx->pic_end; if (pic->encode_issued) return AVERROR_EOF; } if (!pic) { av_log(avctx, AV_LOG_DEBUG, "Pick nothing to encode next - " "need more input for reference pictures.\n"); return AVERROR(EAGAIN); } if (ctx->input_order <= ctx->decode_delay && !ctx->end_of_stream) { av_log(avctx, AV_LOG_DEBUG, "Pick nothing to encode next - " "need more input for timestamps.\n"); return AVERROR(EAGAIN); } if (pic->force_idr) { av_log(avctx, AV_LOG_DEBUG, "Pick forced IDR-picture to " "encode next.\n"); pic->type = PICTURE_TYPE_IDR; ctx->idr_counter = 1; ctx->gop_counter = 1; } else if (ctx->gop_counter + b_counter >= ctx->gop_size) { if (ctx->idr_counter == ctx->gop_per_idr) { av_log(avctx, AV_LOG_DEBUG, "Pick new-GOP IDR-picture to " "encode next.\n"); pic->type = PICTURE_TYPE_IDR; ctx->idr_counter = 1; } else { av_log(avctx, AV_LOG_DEBUG, "Pick new-GOP I-picture to " "encode next.\n"); pic->type = PICTURE_TYPE_I; ++ctx->idr_counter; } ctx->gop_counter = 1; } else { if (ctx->gop_counter + b_counter + closed_gop_end == ctx->gop_size) { av_log(avctx, AV_LOG_DEBUG, "Pick group-end P-picture to " "encode next.\n"); } else { av_log(avctx, AV_LOG_DEBUG, "Pick normal P-picture to " "encode next.\n"); } pic->type = PICTURE_TYPE_P; av_assert0(start); ctx->gop_counter += 1 + b_counter; } pic->is_reference = 1; *pic_out = pic; vaapi_encode_add_ref(avctx, pic, pic, 0, 1, 0); if (pic->type != PICTURE_TYPE_IDR) { vaapi_encode_add_ref(avctx, pic, start, pic->type == PICTURE_TYPE_P, b_counter > 0, 0); vaapi_encode_add_ref(avctx, pic, ctx->next_prev, 0, 0, 1); } if (ctx->next_prev) --ctx->next_prev->ref_count[0]; if (b_counter > 0) { vaapi_encode_set_b_pictures(avctx, start, pic, pic, 1, &ctx->next_prev); } else { ctx->next_prev = pic; } ++ctx->next_prev->ref_count[0]; return 0; } static int vaapi_encode_clear_old(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; VAAPIEncodePicture *pic, *prev, *next; av_assert0(ctx->pic_start); // Remove direct references once each picture is complete. for (pic = ctx->pic_start; pic; pic = pic->next) { if (pic->encode_complete && pic->next) vaapi_encode_remove_refs(avctx, pic, 0); } // Remove indirect references once a picture has no direct references. for (pic = ctx->pic_start; pic; pic = pic->next) { if (pic->encode_complete && pic->ref_count[0] == 0) vaapi_encode_remove_refs(avctx, pic, 1); } // Clear out all complete pictures with no remaining references. prev = NULL; for (pic = ctx->pic_start; pic; pic = next) { next = pic->next; if (pic->encode_complete && pic->ref_count[1] == 0) { av_assert0(pic->ref_removed[0] && pic->ref_removed[1]); if (prev) prev->next = next; else ctx->pic_start = next; vaapi_encode_free(avctx, pic); } else { prev = pic; } } return 0; } static int vaapi_encode_check_frame(AVCodecContext *avctx, const AVFrame *frame) { VAAPIEncodeContext *ctx = avctx->priv_data; if ((frame->crop_top || frame->crop_bottom || frame->crop_left || frame->crop_right) && !ctx->crop_warned) { av_log(avctx, AV_LOG_WARNING, "Cropping information on input " "frames ignored due to lack of API support.\n"); ctx->crop_warned = 1; } if (!ctx->roi_allowed) { AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST); if (sd && !ctx->roi_warned) { av_log(avctx, AV_LOG_WARNING, "ROI side data on input " "frames ignored due to lack of driver support.\n"); ctx->roi_warned = 1; } } return 0; } int ff_vaapi_encode_send_frame(AVCodecContext *avctx, const AVFrame *frame) { VAAPIEncodeContext *ctx = avctx->priv_data; VAAPIEncodePicture *pic; int err; if (frame) { av_log(avctx, AV_LOG_DEBUG, "Input frame: %ux%u (%"PRId64").\n", frame->width, frame->height, frame->pts); err = vaapi_encode_check_frame(avctx, frame); if (err < 0) return err; pic = vaapi_encode_alloc(avctx); if (!pic) return AVERROR(ENOMEM); pic->input_image = av_frame_alloc(); if (!pic->input_image) { err = AVERROR(ENOMEM); goto fail; } err = av_frame_ref(pic->input_image, frame); if (err < 0) goto fail; if (ctx->input_order == 0 || frame->pict_type == AV_PICTURE_TYPE_I) pic->force_idr = 1; pic->input_surface = (VASurfaceID)(uintptr_t)frame->data[3]; pic->pts = frame->pts; if (ctx->input_order == 0) ctx->first_pts = pic->pts; if (ctx->input_order == ctx->decode_delay) ctx->dts_pts_diff = pic->pts - ctx->first_pts; if (ctx->output_delay > 0) ctx->ts_ring[ctx->input_order % (3 * ctx->output_delay)] = pic->pts; pic->display_order = ctx->input_order; ++ctx->input_order; if (ctx->pic_start) { ctx->pic_end->next = pic; ctx->pic_end = pic; } else { ctx->pic_start = pic; ctx->pic_end = pic; } } else { ctx->end_of_stream = 1; // Fix timestamps if we hit end-of-stream before the initial decode // delay has elapsed. if (ctx->input_order < ctx->decode_delay) ctx->dts_pts_diff = ctx->pic_end->pts - ctx->first_pts; } return 0; fail: return err; } int ff_vaapi_encode_receive_packet(AVCodecContext *avctx, AVPacket *pkt) { VAAPIEncodeContext *ctx = avctx->priv_data; VAAPIEncodePicture *pic; int err; if (!ctx->pic_start) { if (ctx->end_of_stream) return AVERROR_EOF; else return AVERROR(EAGAIN); } pic = NULL; err = vaapi_encode_pick_next(avctx, &pic); if (err < 0) return err; av_assert0(pic); pic->encode_order = ctx->encode_order++; err = vaapi_encode_issue(avctx, pic); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Encode failed: %d.\n", err); return err; } err = vaapi_encode_output(avctx, pic, pkt); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Output failed: %d.\n", err); return err; } if (ctx->output_delay == 0) { pkt->dts = pkt->pts; } else if (pic->encode_order < ctx->decode_delay) { if (ctx->ts_ring[pic->encode_order] < INT64_MIN + ctx->dts_pts_diff) pkt->dts = INT64_MIN; else pkt->dts = ctx->ts_ring[pic->encode_order] - ctx->dts_pts_diff; } else { pkt->dts = ctx->ts_ring[(pic->encode_order - ctx->decode_delay) % (3 * ctx->output_delay)]; } av_log(avctx, AV_LOG_DEBUG, "Output packet: pts %"PRId64" dts %"PRId64".\n", pkt->pts, pkt->dts); ctx->output_order = pic->encode_order; vaapi_encode_clear_old(avctx); return 0; } static av_cold void vaapi_encode_add_global_param(AVCodecContext *avctx, int type, void *buffer, size_t size) { VAAPIEncodeContext *ctx = avctx->priv_data; av_assert0(ctx->nb_global_params < MAX_GLOBAL_PARAMS); ctx->global_params_type[ctx->nb_global_params] = type; ctx->global_params [ctx->nb_global_params] = buffer; ctx->global_params_size[ctx->nb_global_params] = size; ++ctx->nb_global_params; } typedef struct VAAPIEncodeRTFormat { const char *name; unsigned int value; int depth; int nb_components; int log2_chroma_w; int log2_chroma_h; } VAAPIEncodeRTFormat; static const VAAPIEncodeRTFormat vaapi_encode_rt_formats[] = { { "YUV400", VA_RT_FORMAT_YUV400, 8, 1, }, { "YUV420", VA_RT_FORMAT_YUV420, 8, 3, 1, 1 }, { "YUV422", VA_RT_FORMAT_YUV422, 8, 3, 1, 0 }, { "YUV444", VA_RT_FORMAT_YUV444, 8, 3, 0, 0 }, { "YUV411", VA_RT_FORMAT_YUV411, 8, 3, 2, 0 }, #if VA_CHECK_VERSION(0, 38, 1) { "YUV420_10", VA_RT_FORMAT_YUV420_10BPP, 10, 3, 1, 1 }, #endif }; static const VAEntrypoint vaapi_encode_entrypoints_normal[] = { VAEntrypointEncSlice, VAEntrypointEncPicture, #if VA_CHECK_VERSION(0, 39, 2) VAEntrypointEncSliceLP, #endif 0 }; #if VA_CHECK_VERSION(0, 39, 2) static const VAEntrypoint vaapi_encode_entrypoints_low_power[] = { VAEntrypointEncSliceLP, 0 }; #endif static av_cold int vaapi_encode_profile_entrypoint(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; VAProfile *va_profiles = NULL; VAEntrypoint *va_entrypoints = NULL; VAStatus vas; const VAEntrypoint *usable_entrypoints; const VAAPIEncodeProfile *profile; const AVPixFmtDescriptor *desc; VAConfigAttrib rt_format_attr; const VAAPIEncodeRTFormat *rt_format; const char *profile_string, *entrypoint_string; int i, j, n, depth, err; if (ctx->low_power) { #if VA_CHECK_VERSION(0, 39, 2) usable_entrypoints = vaapi_encode_entrypoints_low_power; #else av_log(avctx, AV_LOG_ERROR, "Low-power encoding is not " "supported with this VAAPI version.\n"); return AVERROR(EINVAL); #endif } else { usable_entrypoints = vaapi_encode_entrypoints_normal; } desc = av_pix_fmt_desc_get(ctx->input_frames->sw_format); if (!desc) { av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%d).\n", ctx->input_frames->sw_format); return AVERROR(EINVAL); } depth = desc->comp[0].depth; for (i = 1; i < desc->nb_components; i++) { if (desc->comp[i].depth != depth) { av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%s).\n", desc->name); return AVERROR(EINVAL); } } av_log(avctx, AV_LOG_VERBOSE, "Input surface format is %s.\n", desc->name); n = vaMaxNumProfiles(ctx->hwctx->display); va_profiles = av_malloc_array(n, sizeof(VAProfile)); if (!va_profiles) { err = AVERROR(ENOMEM); goto fail; } vas = vaQueryConfigProfiles(ctx->hwctx->display, va_profiles, &n); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to query profiles: %d (%s).\n", vas, vaErrorStr(vas)); err = AVERROR_EXTERNAL; goto fail; } av_assert0(ctx->codec->profiles); for (i = 0; (ctx->codec->profiles[i].av_profile != FF_PROFILE_UNKNOWN); i++) { profile = &ctx->codec->profiles[i]; if (depth != profile->depth || desc->nb_components != profile->nb_components) continue; if (desc->nb_components > 1 && (desc->log2_chroma_w != profile->log2_chroma_w || desc->log2_chroma_h != profile->log2_chroma_h)) continue; if (avctx->profile != profile->av_profile && avctx->profile != FF_PROFILE_UNKNOWN) continue; #if VA_CHECK_VERSION(1, 0, 0) profile_string = vaProfileStr(profile->va_profile); #else profile_string = "(no profile names)"; #endif for (j = 0; j < n; j++) { if (va_profiles[j] == profile->va_profile) break; } if (j >= n) { av_log(avctx, AV_LOG_VERBOSE, "Compatible profile %s (%d) " "is not supported by driver.\n", profile_string, profile->va_profile); continue; } ctx->profile = profile; break; } if (!ctx->profile) { av_log(avctx, AV_LOG_ERROR, "No usable encoding profile found.\n"); err = AVERROR(ENOSYS); goto fail; } avctx->profile = profile->av_profile; ctx->va_profile = profile->va_profile; av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI profile %s (%d).\n", profile_string, ctx->va_profile); n = vaMaxNumEntrypoints(ctx->hwctx->display); va_entrypoints = av_malloc_array(n, sizeof(VAEntrypoint)); if (!va_entrypoints) { err = AVERROR(ENOMEM); goto fail; } vas = vaQueryConfigEntrypoints(ctx->hwctx->display, ctx->va_profile, va_entrypoints, &n); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to query entrypoints for " "profile %s (%d): %d (%s).\n", profile_string, ctx->va_profile, vas, vaErrorStr(vas)); err = AVERROR_EXTERNAL; goto fail; } for (i = 0; i < n; i++) { for (j = 0; usable_entrypoints[j]; j++) { if (va_entrypoints[i] == usable_entrypoints[j]) break; } if (usable_entrypoints[j]) break; } if (i >= n) { av_log(avctx, AV_LOG_ERROR, "No usable encoding entrypoint found " "for profile %s (%d).\n", profile_string, ctx->va_profile); err = AVERROR(ENOSYS); goto fail; } ctx->va_entrypoint = va_entrypoints[i]; #if VA_CHECK_VERSION(1, 0, 0) entrypoint_string = vaEntrypointStr(ctx->va_entrypoint); #else entrypoint_string = "(no entrypoint names)"; #endif av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI entrypoint %s (%d).\n", entrypoint_string, ctx->va_entrypoint); for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rt_formats); i++) { rt_format = &vaapi_encode_rt_formats[i]; if (rt_format->depth == depth && rt_format->nb_components == profile->nb_components && rt_format->log2_chroma_w == profile->log2_chroma_w && rt_format->log2_chroma_h == profile->log2_chroma_h) break; } if (i >= FF_ARRAY_ELEMS(vaapi_encode_rt_formats)) { av_log(avctx, AV_LOG_ERROR, "No usable render target format " "found for profile %s (%d) entrypoint %s (%d).\n", profile_string, ctx->va_profile, entrypoint_string, ctx->va_entrypoint); err = AVERROR(ENOSYS); goto fail; } rt_format_attr = (VAConfigAttrib) { VAConfigAttribRTFormat }; vas = vaGetConfigAttributes(ctx->hwctx->display, ctx->va_profile, ctx->va_entrypoint, &rt_format_attr, 1); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to query RT format " "config attribute: %d (%s).\n", vas, vaErrorStr(vas)); err = AVERROR_EXTERNAL; goto fail; } if (rt_format_attr.value == VA_ATTRIB_NOT_SUPPORTED) { av_log(avctx, AV_LOG_VERBOSE, "RT format config attribute not " "supported by driver: assuming surface RT format %s " "is valid.\n", rt_format->name); } else if (!(rt_format_attr.value & rt_format->value)) { av_log(avctx, AV_LOG_ERROR, "Surface RT format %s not supported " "by driver for encoding profile %s (%d) entrypoint %s (%d).\n", rt_format->name, profile_string, ctx->va_profile, entrypoint_string, ctx->va_entrypoint); err = AVERROR(ENOSYS); goto fail; } else { av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI render target " "format %s (%#x).\n", rt_format->name, rt_format->value); ctx->config_attributes[ctx->nb_config_attributes++] = (VAConfigAttrib) { .type = VAConfigAttribRTFormat, .value = rt_format->value, }; } err = 0; fail: av_freep(&va_profiles); av_freep(&va_entrypoints); return err; } static const VAAPIEncodeRCMode vaapi_encode_rc_modes[] = { // Bitrate Quality // | Maxrate | HRD/VBV { 0 }, // | | | | { RC_MODE_CQP, "CQP", 1, VA_RC_CQP, 0, 0, 1, 0 }, { RC_MODE_CBR, "CBR", 1, VA_RC_CBR, 1, 0, 0, 1 }, { RC_MODE_VBR, "VBR", 1, VA_RC_VBR, 1, 1, 0, 1 }, #if VA_CHECK_VERSION(1, 1, 0) { RC_MODE_ICQ, "ICQ", 1, VA_RC_ICQ, 0, 0, 1, 0 }, #else { RC_MODE_ICQ, "ICQ", 0 }, #endif #if VA_CHECK_VERSION(1, 3, 0) { RC_MODE_QVBR, "QVBR", 1, VA_RC_QVBR, 1, 1, 1, 1 }, { RC_MODE_AVBR, "AVBR", 0, VA_RC_AVBR, 1, 0, 0, 0 }, #else { RC_MODE_QVBR, "QVBR", 0 }, { RC_MODE_AVBR, "AVBR", 0 }, #endif }; static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; uint32_t supported_va_rc_modes; const VAAPIEncodeRCMode *rc_mode; int64_t rc_bits_per_second; int rc_target_percentage; int rc_window_size; int rc_quality; int64_t hrd_buffer_size; int64_t hrd_initial_buffer_fullness; int fr_num, fr_den; VAConfigAttrib rc_attr = { VAConfigAttribRateControl }; VAStatus vas; char supported_rc_modes_string[64]; vas = vaGetConfigAttributes(ctx->hwctx->display, ctx->va_profile, ctx->va_entrypoint, &rc_attr, 1); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to query rate control " "config attribute: %d (%s).\n", vas, vaErrorStr(vas)); return AVERROR_EXTERNAL; } if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) { av_log(avctx, AV_LOG_VERBOSE, "Driver does not report any " "supported rate control modes: assuming CQP only.\n"); supported_va_rc_modes = VA_RC_CQP; strcpy(supported_rc_modes_string, "unknown"); } else { char *str = supported_rc_modes_string; size_t len = sizeof(supported_rc_modes_string); int i, first = 1, res; supported_va_rc_modes = rc_attr.value; for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rc_modes); i++) { rc_mode = &vaapi_encode_rc_modes[i]; if (supported_va_rc_modes & rc_mode->va_mode) { res = snprintf(str, len, "%s%s", first ? "" : ", ", rc_mode->name); first = 0; if (res < 0) { *str = 0; break; } len -= res; str += res; if (len == 0) break; } } av_log(avctx, AV_LOG_DEBUG, "Driver supports RC modes %s.\n", supported_rc_modes_string); } // Rate control mode selection: // * If the user has set a mode explicitly with the rc_mode option, // use it and fail if it is not available. // * If an explicit QP option has been set, use CQP. // * If the codec is CQ-only, use CQP. // * If the QSCALE avcodec option is set, use CQP. // * If bitrate and quality are both set, try QVBR. // * If quality is set, try ICQ, then CQP. // * If bitrate and maxrate are set and have the same value, try CBR. // * If a bitrate is set, try AVBR, then VBR, then CBR. // * If no bitrate is set, try ICQ, then CQP. #define TRY_RC_MODE(mode, fail) do { \ rc_mode = &vaapi_encode_rc_modes[mode]; \ if (!(rc_mode->va_mode & supported_va_rc_modes)) { \ if (fail) { \ av_log(avctx, AV_LOG_ERROR, "Driver does not support %s " \ "RC mode (supported modes: %s).\n", rc_mode->name, \ supported_rc_modes_string); \ return AVERROR(EINVAL); \ } \ av_log(avctx, AV_LOG_DEBUG, "Driver does not support %s " \ "RC mode.\n", rc_mode->name); \ rc_mode = NULL; \ } else { \ goto rc_mode_found; \ } \ } while (0) if (ctx->explicit_rc_mode) TRY_RC_MODE(ctx->explicit_rc_mode, 1); if (ctx->explicit_qp) TRY_RC_MODE(RC_MODE_CQP, 1); if (ctx->codec->flags & FLAG_CONSTANT_QUALITY_ONLY) TRY_RC_MODE(RC_MODE_CQP, 1); if (avctx->flags & AV_CODEC_FLAG_QSCALE) TRY_RC_MODE(RC_MODE_CQP, 1); if (avctx->bit_rate > 0 && avctx->global_quality > 0) TRY_RC_MODE(RC_MODE_QVBR, 0); if (avctx->global_quality > 0) { TRY_RC_MODE(RC_MODE_ICQ, 0); TRY_RC_MODE(RC_MODE_CQP, 0); } if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate) TRY_RC_MODE(RC_MODE_CBR, 0); if (avctx->bit_rate > 0) { TRY_RC_MODE(RC_MODE_AVBR, 0); TRY_RC_MODE(RC_MODE_VBR, 0); TRY_RC_MODE(RC_MODE_CBR, 0); } else { TRY_RC_MODE(RC_MODE_ICQ, 0); TRY_RC_MODE(RC_MODE_CQP, 0); } av_log(avctx, AV_LOG_ERROR, "Driver does not support any " "RC mode compatible with selected options " "(supported modes: %s).\n", supported_rc_modes_string); return AVERROR(EINVAL); rc_mode_found: if (rc_mode->bitrate) { if (avctx->bit_rate <= 0) { av_log(avctx, AV_LOG_ERROR, "Bitrate must be set for %s " "RC mode.\n", rc_mode->name); return AVERROR(EINVAL); } if (rc_mode->mode == RC_MODE_AVBR) { // For maximum confusion AVBR is hacked into the existing API // by overloading some of the fields with completely different // meanings. // Target percentage does not apply in AVBR mode. rc_bits_per_second = avctx->bit_rate; // Accuracy tolerance range for meeting the specified target // bitrate. It's very unclear how this is actually intended // to work - since we do want to get the specified bitrate, // set the accuracy to 100% for now. rc_target_percentage = 100; // Convergence period in frames. The GOP size reflects the // user's intended block size for cutting, so reusing that // as the convergence period seems a reasonable default. rc_window_size = avctx->gop_size > 0 ? avctx->gop_size : 60; } else if (rc_mode->maxrate) { if (avctx->rc_max_rate > 0) { if (avctx->rc_max_rate < avctx->bit_rate) { av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: " "bitrate (%"PRId64") must not be greater than " "maxrate (%"PRId64").\n", avctx->bit_rate, avctx->rc_max_rate); return AVERROR(EINVAL); } rc_bits_per_second = avctx->rc_max_rate; rc_target_percentage = (avctx->bit_rate * 100) / avctx->rc_max_rate; } else { // We only have a target bitrate, but this mode requires // that a maximum rate be supplied as well. Since the // user does not want this to be a constraint, arbitrarily // pick a maximum rate of double the target rate. rc_bits_per_second = 2 * avctx->bit_rate; rc_target_percentage = 50; } } else { if (avctx->rc_max_rate > avctx->bit_rate) { av_log(avctx, AV_LOG_WARNING, "Max bitrate is ignored " "in %s RC mode.\n", rc_mode->name); } rc_bits_per_second = avctx->bit_rate; rc_target_percentage = 100; } } else { rc_bits_per_second = 0; rc_target_percentage = 100; } if (rc_mode->quality) { if (ctx->explicit_qp) { rc_quality = ctx->explicit_qp; } else if (avctx->global_quality > 0) { rc_quality = avctx->global_quality; } else { rc_quality = ctx->codec->default_quality; av_log(avctx, AV_LOG_WARNING, "No quality level set; " "using default (%d).\n", rc_quality); } } else { rc_quality = 0; } if (rc_mode->hrd) { if (avctx->rc_buffer_size) hrd_buffer_size = avctx->rc_buffer_size; else if (avctx->rc_max_rate > 0) hrd_buffer_size = avctx->rc_max_rate; else hrd_buffer_size = avctx->bit_rate; if (avctx->rc_initial_buffer_occupancy) { if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) { av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: " "must have initial buffer size (%d) <= " "buffer size (%"PRId64").\n", avctx->rc_initial_buffer_occupancy, hrd_buffer_size); return AVERROR(EINVAL); } hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy; } else { hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4; } rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second; } else { if (avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) { av_log(avctx, AV_LOG_WARNING, "Buffering settings are ignored " "in %s RC mode.\n", rc_mode->name); } hrd_buffer_size = 0; hrd_initial_buffer_fullness = 0; if (rc_mode->mode != RC_MODE_AVBR) { // Already set (with completely different meaning) for AVBR. rc_window_size = 1000; } } if (rc_bits_per_second > UINT32_MAX || hrd_buffer_size > UINT32_MAX || hrd_initial_buffer_fullness > UINT32_MAX) { av_log(avctx, AV_LOG_ERROR, "RC parameters of 2^32 or " "greater are not supported by VAAPI.\n"); return AVERROR(EINVAL); } ctx->rc_mode = rc_mode; ctx->rc_quality = rc_quality; ctx->va_rc_mode = rc_mode->va_mode; ctx->va_bit_rate = rc_bits_per_second; av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s.\n", rc_mode->name); if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) { // This driver does not want the RC mode attribute to be set. } else { ctx->config_attributes[ctx->nb_config_attributes++] = (VAConfigAttrib) { .type = VAConfigAttribRateControl, .value = ctx->va_rc_mode, }; } if (rc_mode->quality) av_log(avctx, AV_LOG_VERBOSE, "RC quality: %d.\n", rc_quality); if (rc_mode->va_mode != VA_RC_CQP) { if (rc_mode->mode == RC_MODE_AVBR) { av_log(avctx, AV_LOG_VERBOSE, "RC target: %"PRId64" bps " "converging in %d frames with %d%% accuracy.\n", rc_bits_per_second, rc_window_size, rc_target_percentage); } else if (rc_mode->bitrate) { av_log(avctx, AV_LOG_VERBOSE, "RC target: %d%% of " "%"PRId64" bps over %d ms.\n", rc_target_percentage, rc_bits_per_second, rc_window_size); } ctx->rc_params = (VAEncMiscParameterRateControl) { .bits_per_second = rc_bits_per_second, .target_percentage = rc_target_percentage, .window_size = rc_window_size, .initial_qp = 0, .min_qp = (avctx->qmin > 0 ? avctx->qmin : 0), .basic_unit_size = 0, #if VA_CHECK_VERSION(1, 1, 0) .ICQ_quality_factor = av_clip(rc_quality, 1, 51), .max_qp = (avctx->qmax > 0 ? avctx->qmax : 0), #endif #if VA_CHECK_VERSION(1, 3, 0) .quality_factor = rc_quality, #endif }; vaapi_encode_add_global_param(avctx, VAEncMiscParameterTypeRateControl, &ctx->rc_params, sizeof(ctx->rc_params)); } if (rc_mode->hrd) { av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, " "initial fullness %"PRId64" bits.\n", hrd_buffer_size, hrd_initial_buffer_fullness); ctx->hrd_params = (VAEncMiscParameterHRD) { .initial_buffer_fullness = hrd_initial_buffer_fullness, .buffer_size = hrd_buffer_size, }; vaapi_encode_add_global_param(avctx, VAEncMiscParameterTypeHRD, &ctx->hrd_params, sizeof(ctx->hrd_params)); } if (avctx->framerate.num > 0 && avctx->framerate.den > 0) av_reduce(&fr_num, &fr_den, avctx->framerate.num, avctx->framerate.den, 65535); else av_reduce(&fr_num, &fr_den, avctx->time_base.den, avctx->time_base.num, 65535); av_log(avctx, AV_LOG_VERBOSE, "RC framerate: %d/%d (%.2f fps).\n", fr_num, fr_den, (double)fr_num / fr_den); ctx->fr_params = (VAEncMiscParameterFrameRate) { .framerate = (unsigned int)fr_den << 16 | fr_num, }; #if VA_CHECK_VERSION(0, 40, 0) vaapi_encode_add_global_param(avctx, VAEncMiscParameterTypeFrameRate, &ctx->fr_params, sizeof(ctx->fr_params)); #endif return 0; } static av_cold int vaapi_encode_init_gop_structure(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; VAStatus vas; VAConfigAttrib attr = { VAConfigAttribEncMaxRefFrames }; uint32_t ref_l0, ref_l1; vas = vaGetConfigAttributes(ctx->hwctx->display, ctx->va_profile, ctx->va_entrypoint, &attr, 1); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to query reference frames " "attribute: %d (%s).\n", vas, vaErrorStr(vas)); return AVERROR_EXTERNAL; } if (attr.value == VA_ATTRIB_NOT_SUPPORTED) { ref_l0 = ref_l1 = 0; } else { ref_l0 = attr.value & 0xffff; ref_l1 = attr.value >> 16 & 0xffff; } if (ctx->codec->flags & FLAG_INTRA_ONLY || avctx->gop_size <= 1) { av_log(avctx, AV_LOG_VERBOSE, "Using intra frames only.\n"); ctx->gop_size = 1; } else if (ref_l0 < 1) { av_log(avctx, AV_LOG_ERROR, "Driver does not support any " "reference frames.\n"); return AVERROR(EINVAL); } else if (!(ctx->codec->flags & FLAG_B_PICTURES) || ref_l1 < 1 || avctx->max_b_frames < 1) { av_log(avctx, AV_LOG_VERBOSE, "Using intra and P-frames " "(supported references: %d / %d).\n", ref_l0, ref_l1); ctx->gop_size = avctx->gop_size; ctx->p_per_i = INT_MAX; ctx->b_per_p = 0; } else { av_log(avctx, AV_LOG_VERBOSE, "Using intra, P- and B-frames " "(supported references: %d / %d).\n", ref_l0, ref_l1); ctx->gop_size = avctx->gop_size; ctx->p_per_i = INT_MAX; ctx->b_per_p = avctx->max_b_frames; if (ctx->codec->flags & FLAG_B_PICTURE_REFERENCES) { ctx->max_b_depth = FFMIN(ctx->desired_b_depth, av_log2(ctx->b_per_p) + 1); } else { ctx->max_b_depth = 1; } } if (ctx->codec->flags & FLAG_NON_IDR_KEY_PICTURES) { ctx->closed_gop = !!(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP); ctx->gop_per_idr = ctx->idr_interval + 1; } else { ctx->closed_gop = 1; ctx->gop_per_idr = 1; } return 0; } static av_cold int vaapi_encode_init_slice_structure(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; VAConfigAttrib attr[2] = { { VAConfigAttribEncMaxSlices }, { VAConfigAttribEncSliceStructure } }; VAStatus vas; uint32_t max_slices, slice_structure; int req_slices; if (!(ctx->codec->flags & FLAG_SLICE_CONTROL)) { if (avctx->slices > 0) { av_log(avctx, AV_LOG_WARNING, "Multiple slices were requested " "but this codec does not support controlling slices.\n"); } return 0; } ctx->slice_block_rows = (avctx->height + ctx->slice_block_height - 1) / ctx->slice_block_height; ctx->slice_block_cols = (avctx->width + ctx->slice_block_width - 1) / ctx->slice_block_width; if (avctx->slices <= 1) { ctx->nb_slices = 1; ctx->slice_size = ctx->slice_block_rows; return 0; } vas = vaGetConfigAttributes(ctx->hwctx->display, ctx->va_profile, ctx->va_entrypoint, attr, FF_ARRAY_ELEMS(attr)); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to query slice " "attributes: %d (%s).\n", vas, vaErrorStr(vas)); return AVERROR_EXTERNAL; } max_slices = attr[0].value; slice_structure = attr[1].value; if (max_slices == VA_ATTRIB_NOT_SUPPORTED || slice_structure == VA_ATTRIB_NOT_SUPPORTED) { av_log(avctx, AV_LOG_ERROR, "Driver does not support encoding " "pictures as multiple slices.\n."); return AVERROR(EINVAL); } // For fixed-size slices currently we only support whole rows, making // rectangular slices. This could be extended to arbitrary runs of // blocks, but since slices tend to be a conformance requirement and // most cases (such as broadcast or bluray) want rectangular slices // only it would need to be gated behind another option. if (avctx->slices > ctx->slice_block_rows) { av_log(avctx, AV_LOG_WARNING, "Not enough rows to use " "configured number of slices (%d < %d); using " "maximum.\n", ctx->slice_block_rows, avctx->slices); req_slices = ctx->slice_block_rows; } else { req_slices = avctx->slices; } if (slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_ROWS || slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_MACROBLOCKS) { ctx->nb_slices = req_slices; ctx->slice_size = ctx->slice_block_rows / ctx->nb_slices; } else if (slice_structure & VA_ENC_SLICE_STRUCTURE_POWER_OF_TWO_ROWS) { int k; for (k = 1;; k *= 2) { if (2 * k * (req_slices - 1) + 1 >= ctx->slice_block_rows) break; } ctx->nb_slices = (ctx->slice_block_rows + k - 1) / k; ctx->slice_size = k; #if VA_CHECK_VERSION(1, 0, 0) } else if (slice_structure & VA_ENC_SLICE_STRUCTURE_EQUAL_ROWS) { ctx->nb_slices = ctx->slice_block_rows; ctx->slice_size = 1; #endif } else { av_log(avctx, AV_LOG_ERROR, "Driver does not support any usable " "slice structure modes (%#x).\n", slice_structure); return AVERROR(EINVAL); } if (ctx->nb_slices > avctx->slices) { av_log(avctx, AV_LOG_WARNING, "Slice count rounded up to " "%d (from %d) due to driver constraints on slice " "structure.\n", ctx->nb_slices, avctx->slices); } if (ctx->nb_slices > max_slices) { av_log(avctx, AV_LOG_ERROR, "Driver does not support " "encoding with %d slices (max %"PRIu32").\n", ctx->nb_slices, max_slices); return AVERROR(EINVAL); } av_log(avctx, AV_LOG_VERBOSE, "Encoding pictures with %d slices " "(default size %d block rows).\n", ctx->nb_slices, ctx->slice_size); return 0; } static av_cold int vaapi_encode_init_packed_headers(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; VAStatus vas; VAConfigAttrib attr = { VAConfigAttribEncPackedHeaders }; vas = vaGetConfigAttributes(ctx->hwctx->display, ctx->va_profile, ctx->va_entrypoint, &attr, 1); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to query packed headers " "attribute: %d (%s).\n", vas, vaErrorStr(vas)); return AVERROR_EXTERNAL; } if (attr.value == VA_ATTRIB_NOT_SUPPORTED) { if (ctx->desired_packed_headers) { av_log(avctx, AV_LOG_WARNING, "Driver does not support any " "packed headers (wanted %#x).\n", ctx->desired_packed_headers); } else { av_log(avctx, AV_LOG_VERBOSE, "Driver does not support any " "packed headers (none wanted).\n"); } ctx->va_packed_headers = 0; } else { if (ctx->desired_packed_headers & ~attr.value) { av_log(avctx, AV_LOG_WARNING, "Driver does not support some " "wanted packed headers (wanted %#x, found %#x).\n", ctx->desired_packed_headers, attr.value); } else { av_log(avctx, AV_LOG_VERBOSE, "All wanted packed headers " "available (wanted %#x, found %#x).\n", ctx->desired_packed_headers, attr.value); } ctx->va_packed_headers = ctx->desired_packed_headers & attr.value; } if (ctx->va_packed_headers) { ctx->config_attributes[ctx->nb_config_attributes++] = (VAConfigAttrib) { .type = VAConfigAttribEncPackedHeaders, .value = ctx->va_packed_headers, }; } if ( (ctx->desired_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) && !(ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) && (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) { av_log(avctx, AV_LOG_WARNING, "Driver does not support packed " "sequence headers, but a global header is requested.\n"); av_log(avctx, AV_LOG_WARNING, "No global header will be written: " "this may result in a stream which is not usable for some " "purposes (e.g. not muxable to some containers).\n"); } return 0; } static av_cold int vaapi_encode_init_quality(AVCodecContext *avctx) { #if VA_CHECK_VERSION(0, 36, 0) VAAPIEncodeContext *ctx = avctx->priv_data; VAStatus vas; VAConfigAttrib attr = { VAConfigAttribEncQualityRange }; int quality = avctx->compression_level; vas = vaGetConfigAttributes(ctx->hwctx->display, ctx->va_profile, ctx->va_entrypoint, &attr, 1); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to query quality " "config attribute: %d (%s).\n", vas, vaErrorStr(vas)); return AVERROR_EXTERNAL; } if (attr.value == VA_ATTRIB_NOT_SUPPORTED) { if (quality != 0) { av_log(avctx, AV_LOG_WARNING, "Quality attribute is not " "supported: will use default quality level.\n"); } } else { if (quality > attr.value) { av_log(avctx, AV_LOG_WARNING, "Invalid quality level: " "valid range is 0-%d, using %d.\n", attr.value, attr.value); quality = attr.value; } ctx->quality_params = (VAEncMiscParameterBufferQualityLevel) { .quality_level = quality, }; vaapi_encode_add_global_param(avctx, VAEncMiscParameterTypeQualityLevel, &ctx->quality_params, sizeof(ctx->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 av_cold int vaapi_encode_init_roi(AVCodecContext *avctx) { #if VA_CHECK_VERSION(1, 0, 0) VAAPIEncodeContext *ctx = avctx->priv_data; VAStatus vas; VAConfigAttrib attr = { VAConfigAttribEncROI }; vas = vaGetConfigAttributes(ctx->hwctx->display, ctx->va_profile, ctx->va_entrypoint, &attr, 1); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to query ROI " "config attribute: %d (%s).\n", vas, vaErrorStr(vas)); return AVERROR_EXTERNAL; } if (attr.value == VA_ATTRIB_NOT_SUPPORTED) { ctx->roi_allowed = 0; } else { VAConfigAttribValEncROI roi = { .value = attr.value, }; ctx->roi_max_regions = roi.bits.num_roi_regions; ctx->roi_allowed = ctx->roi_max_regions > 0 && (ctx->va_rc_mode == VA_RC_CQP || roi.bits.roi_rc_qp_delta_support); } #endif return 0; } static void vaapi_encode_free_output_buffer(void *opaque, uint8_t *data) { AVCodecContext *avctx = opaque; VAAPIEncodeContext *ctx = avctx->priv_data; VABufferID buffer_id; buffer_id = (VABufferID)(uintptr_t)data; vaDestroyBuffer(ctx->hwctx->display, buffer_id); av_log(avctx, AV_LOG_DEBUG, "Freed output buffer %#x\n", buffer_id); } static AVBufferRef *vaapi_encode_alloc_output_buffer(void *opaque, int size) { AVCodecContext *avctx = opaque; VAAPIEncodeContext *ctx = avctx->priv_data; VABufferID buffer_id; VAStatus vas; AVBufferRef *ref; // The output buffer size is fixed, so it needs to be large enough // to hold the largest possible compressed frame. We assume here // that the uncompressed frame plus some header data is an upper // bound on that. vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context, VAEncCodedBufferType, 3 * ctx->surface_width * ctx->surface_height + (1 << 16), 1, 0, &buffer_id); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to create bitstream " "output buffer: %d (%s).\n", vas, vaErrorStr(vas)); return NULL; } av_log(avctx, AV_LOG_DEBUG, "Allocated output buffer %#x\n", buffer_id); ref = av_buffer_create((uint8_t*)(uintptr_t)buffer_id, sizeof(buffer_id), &vaapi_encode_free_output_buffer, avctx, AV_BUFFER_FLAG_READONLY); if (!ref) { vaDestroyBuffer(ctx->hwctx->display, buffer_id); return NULL; } return ref; } static av_cold int vaapi_encode_create_recon_frames(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; AVVAAPIHWConfig *hwconfig = NULL; AVHWFramesConstraints *constraints = NULL; enum AVPixelFormat recon_format; int err, i; hwconfig = av_hwdevice_hwconfig_alloc(ctx->device_ref); if (!hwconfig) { err = AVERROR(ENOMEM); goto fail; } hwconfig->config_id = ctx->va_config; constraints = av_hwdevice_get_hwframe_constraints(ctx->device_ref, hwconfig); if (!constraints) { err = AVERROR(ENOMEM); goto fail; } // Probably we can use the input surface format as the surface format // of the reconstructed frames. If not, we just pick the first (only?) // format in the valid list and hope that it all works. recon_format = AV_PIX_FMT_NONE; if (constraints->valid_sw_formats) { for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) { if (ctx->input_frames->sw_format == constraints->valid_sw_formats[i]) { recon_format = ctx->input_frames->sw_format; break; } } if (recon_format == AV_PIX_FMT_NONE) { // No match. Just use the first in the supported list and // hope for the best. recon_format = constraints->valid_sw_formats[0]; } } else { // No idea what to use; copy input format. recon_format = ctx->input_frames->sw_format; } av_log(avctx, AV_LOG_DEBUG, "Using %s as format of " "reconstructed frames.\n", av_get_pix_fmt_name(recon_format)); if (ctx->surface_width < constraints->min_width || ctx->surface_height < constraints->min_height || ctx->surface_width > constraints->max_width || ctx->surface_height > constraints->max_height) { av_log(avctx, AV_LOG_ERROR, "Hardware does not support encoding at " "size %dx%d (constraints: width %d-%d height %d-%d).\n", ctx->surface_width, ctx->surface_height, constraints->min_width, constraints->max_width, constraints->min_height, constraints->max_height); err = AVERROR(EINVAL); goto fail; } av_freep(&hwconfig); av_hwframe_constraints_free(&constraints); ctx->recon_frames_ref = av_hwframe_ctx_alloc(ctx->device_ref); if (!ctx->recon_frames_ref) { err = AVERROR(ENOMEM); goto fail; } ctx->recon_frames = (AVHWFramesContext*)ctx->recon_frames_ref->data; ctx->recon_frames->format = AV_PIX_FMT_VAAPI; ctx->recon_frames->sw_format = recon_format; ctx->recon_frames->width = ctx->surface_width; ctx->recon_frames->height = ctx->surface_height; err = av_hwframe_ctx_init(ctx->recon_frames_ref); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to initialise reconstructed " "frame context: %d.\n", err); goto fail; } err = 0; fail: av_freep(&hwconfig); av_hwframe_constraints_free(&constraints); return err; } av_cold int ff_vaapi_encode_init(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; AVVAAPIFramesContext *recon_hwctx = NULL; VAStatus vas; int err; if (!avctx->hw_frames_ctx) { av_log(avctx, AV_LOG_ERROR, "A hardware frames reference is " "required to associate the encoding device.\n"); return AVERROR(EINVAL); } ctx->va_config = VA_INVALID_ID; ctx->va_context = VA_INVALID_ID; ctx->input_frames_ref = av_buffer_ref(avctx->hw_frames_ctx); if (!ctx->input_frames_ref) { err = AVERROR(ENOMEM); goto fail; } ctx->input_frames = (AVHWFramesContext*)ctx->input_frames_ref->data; ctx->device_ref = av_buffer_ref(ctx->input_frames->device_ref); if (!ctx->device_ref) { err = AVERROR(ENOMEM); goto fail; } ctx->device = (AVHWDeviceContext*)ctx->device_ref->data; ctx->hwctx = ctx->device->hwctx; err = vaapi_encode_profile_entrypoint(avctx); if (err < 0) goto fail; err = vaapi_encode_init_rate_control(avctx); if (err < 0) goto fail; err = vaapi_encode_init_gop_structure(avctx); if (err < 0) goto fail; err = vaapi_encode_init_slice_structure(avctx); if (err < 0) goto fail; err = vaapi_encode_init_packed_headers(avctx); if (err < 0) goto fail; err = vaapi_encode_init_roi(avctx); if (err < 0) goto fail; if (avctx->compression_level >= 0) { err = vaapi_encode_init_quality(avctx); if (err < 0) goto fail; } vas = vaCreateConfig(ctx->hwctx->display, ctx->va_profile, ctx->va_entrypoint, ctx->config_attributes, ctx->nb_config_attributes, &ctx->va_config); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline " "configuration: %d (%s).\n", vas, vaErrorStr(vas)); err = AVERROR(EIO); goto fail; } err = vaapi_encode_create_recon_frames(avctx); if (err < 0) goto fail; recon_hwctx = ctx->recon_frames->hwctx; vas = vaCreateContext(ctx->hwctx->display, ctx->va_config, ctx->surface_width, ctx->surface_height, VA_PROGRESSIVE, recon_hwctx->surface_ids, recon_hwctx->nb_surfaces, &ctx->va_context); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline " "context: %d (%s).\n", vas, vaErrorStr(vas)); err = AVERROR(EIO); goto fail; } ctx->output_buffer_pool = av_buffer_pool_init2(sizeof(VABufferID), avctx, &vaapi_encode_alloc_output_buffer, NULL); if (!ctx->output_buffer_pool) { err = AVERROR(ENOMEM); goto fail; } if (ctx->codec->configure) { err = ctx->codec->configure(avctx); if (err < 0) goto fail; } ctx->output_delay = ctx->b_per_p; ctx->decode_delay = ctx->max_b_depth; if (ctx->codec->sequence_params_size > 0) { ctx->codec_sequence_params = av_mallocz(ctx->codec->sequence_params_size); if (!ctx->codec_sequence_params) { err = AVERROR(ENOMEM); goto fail; } } if (ctx->codec->picture_params_size > 0) { ctx->codec_picture_params = av_mallocz(ctx->codec->picture_params_size); if (!ctx->codec_picture_params) { err = AVERROR(ENOMEM); goto fail; } } if (ctx->codec->init_sequence_params) { err = ctx->codec->init_sequence_params(avctx); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Codec sequence initialisation " "failed: %d.\n", err); goto fail; } } if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE && ctx->codec->write_sequence_header && avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) { char data[MAX_PARAM_BUFFER_SIZE]; size_t bit_len = 8 * sizeof(data); err = ctx->codec->write_sequence_header(avctx, data, &bit_len); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to write sequence header " "for extradata: %d.\n", err); goto fail; } else { avctx->extradata_size = (bit_len + 7) / 8; avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); if (!avctx->extradata) { err = AVERROR(ENOMEM); goto fail; } memcpy(avctx->extradata, data, avctx->extradata_size); } } return 0; fail: ff_vaapi_encode_close(avctx); return err; } av_cold int ff_vaapi_encode_close(AVCodecContext *avctx) { VAAPIEncodeContext *ctx = avctx->priv_data; VAAPIEncodePicture *pic, *next; for (pic = ctx->pic_start; pic; pic = next) { next = pic->next; vaapi_encode_free(avctx, pic); } av_buffer_pool_uninit(&ctx->output_buffer_pool); if (ctx->va_context != VA_INVALID_ID) { vaDestroyContext(ctx->hwctx->display, ctx->va_context); ctx->va_context = VA_INVALID_ID; } if (ctx->va_config != VA_INVALID_ID) { vaDestroyConfig(ctx->hwctx->display, ctx->va_config); ctx->va_config = VA_INVALID_ID; } av_freep(&ctx->codec_sequence_params); av_freep(&ctx->codec_picture_params); av_buffer_unref(&ctx->recon_frames_ref); av_buffer_unref(&ctx->input_frames_ref); av_buffer_unref(&ctx->device_ref); return 0; }