2016-03-23 23:49:02 +00:00
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/*
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2016-05-08 21:40:42 +00:00
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* This file is part of FFmpeg.
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2016-03-23 23:49:02 +00:00
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*
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2016-05-08 21:40:42 +00:00
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* FFmpeg is free software; you can redistribute it and/or
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2016-03-23 23:49:02 +00:00
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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2016-05-08 21:40:42 +00:00
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* FFmpeg is distributed in the hope that it will be useful,
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2016-03-23 23:49:02 +00:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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2016-05-08 21:40:42 +00:00
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* License along with FFmpeg; if not, write to the Free Software
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2016-03-23 23:49:02 +00:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <inttypes.h>
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#include <string.h>
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#include "libavutil/avassert.h"
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#include "libavutil/log.h"
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#include "libavutil/pixdesc.h"
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#include "vaapi_encode.h"
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#include "avcodec.h"
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static const char *picture_type_name[] = { "IDR", "I", "P", "B" };
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static int vaapi_encode_make_packed_header(AVCodecContext *avctx,
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VAAPIEncodePicture *pic,
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int type, char *data, size_t bit_len)
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{
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VAAPIEncodeContext *ctx = avctx->priv_data;
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VAStatus vas;
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VABufferID param_buffer, data_buffer;
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VAEncPackedHeaderParameterBuffer params = {
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.type = type,
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.bit_length = bit_len,
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.has_emulation_bytes = 1,
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};
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av_assert0(pic->nb_param_buffers + 2 <= MAX_PARAM_BUFFERS);
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vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
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VAEncPackedHeaderParameterBufferType,
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sizeof(params), 1, ¶ms, ¶m_buffer);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer "
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"for packed header (type %d): %d (%s).\n",
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type, vas, vaErrorStr(vas));
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return AVERROR(EIO);
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}
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pic->param_buffers[pic->nb_param_buffers++] = param_buffer;
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vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
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VAEncPackedHeaderDataBufferType,
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(bit_len + 7) / 8, 1, data, &data_buffer);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR, "Failed to create data buffer "
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"for packed header (type %d): %d (%s).\n",
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type, vas, vaErrorStr(vas));
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return AVERROR(EIO);
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}
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pic->param_buffers[pic->nb_param_buffers++] = data_buffer;
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av_log(avctx, AV_LOG_DEBUG, "Packed header buffer (%d) is %#x/%#x "
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"(%zu bits).\n", type, param_buffer, data_buffer, bit_len);
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return 0;
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}
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static int vaapi_encode_make_param_buffer(AVCodecContext *avctx,
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VAAPIEncodePicture *pic,
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int type, char *data, size_t len)
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{
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VAAPIEncodeContext *ctx = avctx->priv_data;
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VAStatus vas;
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VABufferID buffer;
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av_assert0(pic->nb_param_buffers + 1 <= MAX_PARAM_BUFFERS);
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vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
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type, len, 1, data, &buffer);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer "
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"(type %d): %d (%s).\n", type, vas, vaErrorStr(vas));
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return AVERROR(EIO);
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}
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pic->param_buffers[pic->nb_param_buffers++] = buffer;
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av_log(avctx, AV_LOG_DEBUG, "Param buffer (%d) is %#x.\n",
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type, buffer);
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return 0;
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}
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static int vaapi_encode_wait(AVCodecContext *avctx,
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VAAPIEncodePicture *pic)
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{
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VAAPIEncodeContext *ctx = avctx->priv_data;
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VAStatus vas;
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av_assert0(pic->encode_issued);
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if (pic->encode_complete) {
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// Already waited for this picture.
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return 0;
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}
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av_log(avctx, AV_LOG_DEBUG, "Sync to pic %"PRId64"/%"PRId64" "
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"(recon surface %#x).\n", pic->display_order,
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pic->encode_order, pic->recon_surface);
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vas = vaSyncSurface(ctx->hwctx->display, pic->recon_surface);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR, "Failed to sync to picture completion: "
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"%d (%s).\n", vas, vaErrorStr(vas));
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return AVERROR(EIO);
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}
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// Input is definitely finished with now.
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av_frame_free(&pic->input_image);
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pic->encode_complete = 1;
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return 0;
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}
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static int vaapi_encode_issue(AVCodecContext *avctx,
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VAAPIEncodePicture *pic)
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{
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VAAPIEncodeContext *ctx = avctx->priv_data;
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VAAPIEncodeSlice *slice;
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VAStatus vas;
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int err, i;
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char data[MAX_PARAM_BUFFER_SIZE];
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size_t bit_len;
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av_log(avctx, AV_LOG_DEBUG, "Issuing encode for pic %"PRId64"/%"PRId64" "
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"as type %s.\n", pic->display_order, pic->encode_order,
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picture_type_name[pic->type]);
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if (pic->nb_refs == 0) {
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av_log(avctx, AV_LOG_DEBUG, "No reference pictures.\n");
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} else {
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av_log(avctx, AV_LOG_DEBUG, "Refers to:");
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for (i = 0; i < pic->nb_refs; i++) {
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av_log(avctx, AV_LOG_DEBUG, " %"PRId64"/%"PRId64,
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pic->refs[i]->display_order, pic->refs[i]->encode_order);
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}
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av_log(avctx, AV_LOG_DEBUG, ".\n");
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}
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av_assert0(pic->input_available && !pic->encode_issued);
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for (i = 0; i < pic->nb_refs; i++) {
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av_assert0(pic->refs[i]);
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// If we are serialised then the references must have already
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// completed. If not, they must have been issued but need not
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// have completed yet.
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if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING)
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av_assert0(pic->refs[i]->encode_complete);
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else
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av_assert0(pic->refs[i]->encode_issued);
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}
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av_log(avctx, AV_LOG_DEBUG, "Input surface is %#x.\n", pic->input_surface);
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pic->recon_image = av_frame_alloc();
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if (!pic->recon_image) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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err = av_hwframe_get_buffer(ctx->recon_frames_ref, pic->recon_image, 0);
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if (err < 0) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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pic->recon_surface = (VASurfaceID)(uintptr_t)pic->recon_image->data[3];
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av_log(avctx, AV_LOG_DEBUG, "Recon surface is %#x.\n", pic->recon_surface);
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vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
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VAEncCodedBufferType,
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MAX_OUTPUT_BUFFER_SIZE, 1, 0,
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&pic->output_buffer);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR, "Failed to create bitstream "
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"output buffer: %d (%s).\n", vas, vaErrorStr(vas));
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err = AVERROR(ENOMEM);
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goto fail;
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}
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av_log(avctx, AV_LOG_DEBUG, "Output buffer is %#x.\n",
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pic->output_buffer);
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if (ctx->codec->picture_params_size > 0) {
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pic->codec_picture_params = av_malloc(ctx->codec->picture_params_size);
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if (!pic->codec_picture_params)
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goto fail;
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memcpy(pic->codec_picture_params, ctx->codec_picture_params,
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ctx->codec->picture_params_size);
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} else {
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av_assert0(!ctx->codec_picture_params);
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}
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pic->nb_param_buffers = 0;
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if (pic->type == PICTURE_TYPE_IDR && ctx->codec->init_sequence_params) {
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err = vaapi_encode_make_param_buffer(avctx, pic,
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VAEncSequenceParameterBufferType,
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ctx->codec_sequence_params,
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ctx->codec->sequence_params_size);
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if (err < 0)
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goto fail;
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}
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if (ctx->codec->init_picture_params) {
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err = ctx->codec->init_picture_params(avctx, pic);
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if (err < 0) {
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av_log(avctx, AV_LOG_ERROR, "Failed to initialise picture "
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"parameters: %d.\n", err);
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goto fail;
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}
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err = vaapi_encode_make_param_buffer(avctx, pic,
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VAEncPictureParameterBufferType,
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pic->codec_picture_params,
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ctx->codec->picture_params_size);
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if (err < 0)
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goto fail;
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}
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if (pic->type == PICTURE_TYPE_IDR) {
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if (ctx->codec->write_sequence_header) {
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bit_len = 8 * sizeof(data);
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err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
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if (err < 0) {
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av_log(avctx, AV_LOG_ERROR, "Failed to write per-sequence "
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"header: %d.\n", err);
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goto fail;
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}
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err = vaapi_encode_make_packed_header(avctx, pic,
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ctx->codec->sequence_header_type,
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data, bit_len);
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if (err < 0)
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goto fail;
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}
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}
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if (ctx->codec->write_picture_header) {
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bit_len = 8 * sizeof(data);
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err = ctx->codec->write_picture_header(avctx, pic, data, &bit_len);
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if (err < 0) {
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av_log(avctx, AV_LOG_ERROR, "Failed to write per-picture "
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"header: %d.\n", err);
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goto fail;
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}
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err = vaapi_encode_make_packed_header(avctx, pic,
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ctx->codec->picture_header_type,
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data, bit_len);
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if (err < 0)
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goto fail;
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}
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if (ctx->codec->write_extra_buffer) {
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for (i = 0;; i++) {
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size_t len = sizeof(data);
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int type;
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err = ctx->codec->write_extra_buffer(avctx, pic, i, &type,
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data, &len);
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if (err == AVERROR_EOF)
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break;
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if (err < 0) {
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av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
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"buffer %d: %d.\n", i, err);
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goto fail;
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}
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err = vaapi_encode_make_param_buffer(avctx, pic, type,
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data, len);
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if (err < 0)
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goto fail;
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}
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}
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av_assert0(pic->nb_slices <= MAX_PICTURE_SLICES);
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for (i = 0; i < pic->nb_slices; i++) {
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slice = av_mallocz(sizeof(*slice));
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if (!slice) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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pic->slices[i] = slice;
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if (ctx->codec->slice_params_size > 0) {
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slice->codec_slice_params = av_mallocz(ctx->codec->slice_params_size);
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if (!slice->codec_slice_params) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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}
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if (ctx->codec->init_slice_params) {
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err = ctx->codec->init_slice_params(avctx, pic, slice);
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if (err < 0) {
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av_log(avctx, AV_LOG_ERROR, "Failed to initalise slice "
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"parameters: %d.\n", err);
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goto fail;
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}
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}
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if (ctx->codec->write_slice_header) {
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bit_len = 8 * sizeof(data);
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err = ctx->codec->write_slice_header(avctx, pic, slice,
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data, &bit_len);
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if (err < 0) {
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av_log(avctx, AV_LOG_ERROR, "Failed to write per-slice "
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"header: %d.\n", err);
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goto fail;
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}
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err = vaapi_encode_make_packed_header(avctx, pic,
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ctx->codec->slice_header_type,
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data, bit_len);
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if (err < 0)
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goto fail;
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}
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if (ctx->codec->init_slice_params) {
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err = vaapi_encode_make_param_buffer(avctx, pic,
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VAEncSliceParameterBufferType,
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slice->codec_slice_params,
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ctx->codec->slice_params_size);
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if (err < 0)
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goto fail;
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}
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}
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vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
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pic->input_surface);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR, "Failed to begin picture encode issue: "
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"%d (%s).\n", vas, vaErrorStr(vas));
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err = AVERROR(EIO);
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goto fail_with_picture;
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}
|
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vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
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|
|
pic->param_buffers, pic->nb_param_buffers);
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|
|
if (vas != VA_STATUS_SUCCESS) {
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|
av_log(avctx, AV_LOG_ERROR, "Failed to upload encode parameters: "
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|
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"%d (%s).\n", vas, vaErrorStr(vas));
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err = AVERROR(EIO);
|
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|
|
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);
|
|
|
|
goto fail_at_end;
|
|
|
|
}
|
|
|
|
|
|
|
|
pic->encode_issued = 1;
|
|
|
|
|
|
|
|
if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING)
|
|
|
|
return vaapi_encode_wait(avctx, pic);
|
|
|
|
else
|
|
|
|
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]);
|
|
|
|
fail_at_end:
|
|
|
|
av_freep(&pic->codec_picture_params);
|
|
|
|
av_frame_free(&pic->recon_image);
|
|
|
|
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;
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
|
|
|
vaDestroyBuffer(ctx->hwctx->display, pic->output_buffer);
|
|
|
|
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:
|
|
|
|
if (pic->output_buffer != VA_INVALID_ID) {
|
|
|
|
vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
|
|
|
|
vaDestroyBuffer(ctx->hwctx->display, pic->output_buffer);
|
|
|
|
pic->output_buffer = VA_INVALID_ID;
|
|
|
|
}
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int vaapi_encode_discard(AVCodecContext *avctx,
|
|
|
|
VAAPIEncodePicture *pic)
|
|
|
|
{
|
|
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
|
|
|
|
|
|
vaapi_encode_wait(avctx, pic);
|
|
|
|
|
|
|
|
if (pic->output_buffer != VA_INVALID_ID) {
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Discard output for pic "
|
|
|
|
"%"PRId64"/%"PRId64".\n",
|
|
|
|
pic->display_order, pic->encode_order);
|
|
|
|
|
|
|
|
vaDestroyBuffer(ctx->hwctx->display, pic->output_buffer);
|
|
|
|
pic->output_buffer = VA_INVALID_ID;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static VAAPIEncodePicture *vaapi_encode_alloc(void)
|
|
|
|
{
|
|
|
|
VAAPIEncodePicture *pic;
|
|
|
|
|
|
|
|
pic = av_mallocz(sizeof(*pic));
|
|
|
|
if (!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++) {
|
|
|
|
av_freep(&pic->slices[i]->priv_data);
|
|
|
|
av_freep(&pic->slices[i]->codec_slice_params);
|
|
|
|
av_freep(&pic->slices[i]);
|
|
|
|
}
|
|
|
|
av_freep(&pic->codec_picture_params);
|
|
|
|
|
|
|
|
av_frame_free(&pic->input_image);
|
|
|
|
av_frame_free(&pic->recon_image);
|
|
|
|
|
|
|
|
// 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_free(pic);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int vaapi_encode_step(AVCodecContext *avctx,
|
|
|
|
VAAPIEncodePicture *target)
|
|
|
|
{
|
|
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
|
|
VAAPIEncodePicture *pic;
|
|
|
|
int i, err;
|
|
|
|
|
|
|
|
if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING ||
|
|
|
|
ctx->issue_mode == ISSUE_MODE_MINIMISE_LATENCY) {
|
|
|
|
// These two modes are equivalent, except that we wait for
|
|
|
|
// immediate completion on each operation if serialised.
|
|
|
|
|
|
|
|
if (!target) {
|
|
|
|
// No target, nothing to do yet.
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (target->encode_complete) {
|
|
|
|
// Already done.
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
pic = target;
|
|
|
|
for (i = 0; i < pic->nb_refs; i++) {
|
|
|
|
if (!pic->refs[i]->encode_complete) {
|
|
|
|
err = vaapi_encode_step(avctx, pic->refs[i]);
|
|
|
|
if (err < 0)
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
err = vaapi_encode_issue(avctx, pic);
|
|
|
|
if (err < 0)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
} else if (ctx->issue_mode == ISSUE_MODE_MAXIMISE_THROUGHPUT) {
|
|
|
|
int activity;
|
|
|
|
|
|
|
|
do {
|
|
|
|
activity = 0;
|
|
|
|
for (pic = ctx->pic_start; pic; pic = pic->next) {
|
|
|
|
if (!pic->input_available || pic->encode_issued)
|
|
|
|
continue;
|
|
|
|
for (i = 0; i < pic->nb_refs; i++) {
|
|
|
|
if (!pic->refs[i]->encode_issued)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (i < pic->nb_refs)
|
|
|
|
continue;
|
|
|
|
err = vaapi_encode_issue(avctx, pic);
|
|
|
|
if (err < 0)
|
|
|
|
return err;
|
|
|
|
activity = 1;
|
|
|
|
}
|
|
|
|
} while(activity);
|
|
|
|
|
|
|
|
if (target) {
|
|
|
|
av_assert0(target->encode_issued && "broken dependencies?");
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
av_assert0(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int vaapi_encode_get_next(AVCodecContext *avctx,
|
|
|
|
VAAPIEncodePicture **pic_out)
|
|
|
|
{
|
|
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
|
|
VAAPIEncodePicture *start, *end, *pic;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (pic = ctx->pic_start; pic; pic = pic->next) {
|
|
|
|
if (pic->next)
|
|
|
|
av_assert0(pic->display_order + 1 == pic->next->display_order);
|
|
|
|
if (pic->display_order == ctx->input_order) {
|
|
|
|
*pic_out = pic;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ctx->input_order == 0) {
|
|
|
|
// First frame is always an IDR frame.
|
|
|
|
av_assert0(!ctx->pic_start && !ctx->pic_end);
|
|
|
|
|
|
|
|
pic = vaapi_encode_alloc();
|
|
|
|
if (!pic)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
pic->type = PICTURE_TYPE_IDR;
|
|
|
|
pic->display_order = 0;
|
|
|
|
pic->encode_order = 0;
|
|
|
|
|
|
|
|
ctx->pic_start = ctx->pic_end = pic;
|
|
|
|
|
|
|
|
*pic_out = pic;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
pic = vaapi_encode_alloc();
|
|
|
|
if (!pic)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
if (ctx->p_per_i == 0 || ctx->p_counter == ctx->p_per_i) {
|
|
|
|
if (ctx->i_per_idr == 0 || ctx->i_counter == ctx->i_per_idr) {
|
|
|
|
pic->type = PICTURE_TYPE_IDR;
|
|
|
|
ctx->i_counter = 0;
|
|
|
|
} else {
|
|
|
|
pic->type = PICTURE_TYPE_I;
|
|
|
|
++ctx->i_counter;
|
|
|
|
}
|
|
|
|
ctx->p_counter = 0;
|
|
|
|
} else {
|
|
|
|
pic->type = PICTURE_TYPE_P;
|
|
|
|
pic->refs[0] = ctx->pic_end;
|
|
|
|
pic->nb_refs = 1;
|
|
|
|
++ctx->p_counter;
|
|
|
|
}
|
|
|
|
start = end = pic;
|
|
|
|
|
|
|
|
if (pic->type != PICTURE_TYPE_IDR) {
|
|
|
|
// If that was not an IDR frame, add B frames display-before and
|
|
|
|
// encode-after it.
|
|
|
|
|
|
|
|
for (i = 0; i < ctx->b_per_p; i++) {
|
|
|
|
pic = vaapi_encode_alloc();
|
|
|
|
if (!pic)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
pic->type = PICTURE_TYPE_B;
|
|
|
|
pic->refs[0] = ctx->pic_end;
|
|
|
|
pic->refs[1] = end;
|
|
|
|
pic->nb_refs = 2;
|
|
|
|
|
|
|
|
pic->next = start;
|
|
|
|
pic->display_order = ctx->input_order + ctx->b_per_p - i - 1;
|
|
|
|
pic->encode_order = pic->display_order + 1;
|
|
|
|
start = pic;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0, pic = start; pic; i++, pic = pic->next) {
|
|
|
|
pic->display_order = ctx->input_order + i;
|
|
|
|
if (end->type == PICTURE_TYPE_IDR)
|
|
|
|
pic->encode_order = ctx->input_order + i;
|
|
|
|
else if (pic == end)
|
|
|
|
pic->encode_order = ctx->input_order;
|
|
|
|
else
|
|
|
|
pic->encode_order = ctx->input_order + i + 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
av_assert0(ctx->pic_end);
|
|
|
|
ctx->pic_end->next = start;
|
|
|
|
ctx->pic_end = end;
|
|
|
|
|
|
|
|
*pic_out = start;
|
|
|
|
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Pictures:");
|
|
|
|
for (pic = ctx->pic_start; pic; pic = pic->next) {
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, " %s (%"PRId64"/%"PRId64")",
|
|
|
|
picture_type_name[pic->type],
|
|
|
|
pic->display_order, pic->encode_order);
|
|
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "\n");
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
fail:
|
|
|
|
while (start) {
|
|
|
|
pic = start->next;
|
|
|
|
vaapi_encode_free(avctx, start);
|
|
|
|
start = pic;
|
|
|
|
}
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int vaapi_encode_mangle_end(AVCodecContext *avctx)
|
|
|
|
{
|
|
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
|
|
VAAPIEncodePicture *pic, *last_pic, *next;
|
|
|
|
|
|
|
|
// Find the last picture we actually have input for.
|
|
|
|
for (pic = ctx->pic_start; pic; pic = pic->next) {
|
|
|
|
if (!pic->input_available)
|
|
|
|
break;
|
|
|
|
last_pic = pic;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (pic) {
|
|
|
|
av_assert0(last_pic);
|
|
|
|
|
|
|
|
if (last_pic->type == PICTURE_TYPE_B) {
|
|
|
|
// Some fixing up is required. Change the type of this
|
|
|
|
// picture to P, then modify preceeding B references which
|
|
|
|
// point beyond it to point at it instead.
|
|
|
|
|
|
|
|
last_pic->type = PICTURE_TYPE_P;
|
|
|
|
last_pic->encode_order = last_pic->refs[1]->encode_order;
|
|
|
|
|
|
|
|
for (pic = ctx->pic_start; pic != last_pic; pic = pic->next) {
|
|
|
|
if (pic->type == PICTURE_TYPE_B &&
|
|
|
|
pic->refs[1] == last_pic->refs[1])
|
|
|
|
pic->refs[1] = last_pic;
|
|
|
|
}
|
|
|
|
|
|
|
|
last_pic->nb_refs = 1;
|
|
|
|
last_pic->refs[1] = NULL;
|
|
|
|
} else {
|
|
|
|
// We can use the current structure (no references point
|
|
|
|
// beyond the end), but there are unused pics to discard.
|
|
|
|
}
|
|
|
|
|
|
|
|
// Discard all following pics, they will never be used.
|
|
|
|
for (pic = last_pic->next; pic; pic = next) {
|
|
|
|
next = pic->next;
|
|
|
|
vaapi_encode_free(avctx, pic);
|
|
|
|
}
|
|
|
|
|
|
|
|
last_pic->next = NULL;
|
|
|
|
ctx->pic_end = last_pic;
|
|
|
|
|
|
|
|
} else {
|
|
|
|
// Input is available for all pictures, so we don't need to
|
|
|
|
// mangle anything.
|
|
|
|
}
|
|
|
|
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Pictures at end of stream:");
|
|
|
|
for (pic = ctx->pic_start; pic; pic = pic->next) {
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, " %s (%"PRId64"/%"PRId64")",
|
|
|
|
picture_type_name[pic->type],
|
|
|
|
pic->display_order, pic->encode_order);
|
|
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "\n");
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int vaapi_encode_clear_old(AVCodecContext *avctx)
|
|
|
|
{
|
|
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
|
|
VAAPIEncodePicture *pic, *old;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
while (ctx->pic_start != ctx->pic_end) {
|
|
|
|
old = ctx->pic_start;
|
|
|
|
if (old->encode_order > ctx->output_order)
|
|
|
|
break;
|
|
|
|
|
|
|
|
for (pic = old->next; pic; pic = pic->next) {
|
|
|
|
if (pic->encode_complete)
|
|
|
|
continue;
|
|
|
|
for (i = 0; i < pic->nb_refs; i++) {
|
|
|
|
if (pic->refs[i] == old) {
|
|
|
|
// We still need this picture because it's referred to
|
|
|
|
// directly by a later one, so it and all following
|
|
|
|
// pictures have to stay.
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pic = ctx->pic_start;
|
|
|
|
ctx->pic_start = pic->next;
|
|
|
|
vaapi_encode_free(avctx, pic);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int ff_vaapi_encode2(AVCodecContext *avctx, AVPacket *pkt,
|
|
|
|
const AVFrame *input_image, int *got_packet)
|
|
|
|
{
|
|
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
|
|
VAAPIEncodePicture *pic;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
if (input_image) {
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Encode frame: %ux%u (%"PRId64").\n",
|
|
|
|
input_image->width, input_image->height, input_image->pts);
|
|
|
|
|
|
|
|
err = vaapi_encode_get_next(avctx, &pic);
|
|
|
|
if (err) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Input setup failed: %d.\n", err);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
pic->input_image = av_frame_alloc();
|
|
|
|
if (!pic->input_image) {
|
|
|
|
err = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
err = av_frame_ref(pic->input_image, input_image);
|
|
|
|
if (err < 0)
|
|
|
|
goto fail;
|
|
|
|
pic->input_surface = (VASurfaceID)(uintptr_t)input_image->data[3];
|
|
|
|
pic->pts = input_image->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->input_available = 1;
|
|
|
|
|
|
|
|
} else {
|
|
|
|
if (!ctx->end_of_stream) {
|
|
|
|
err = vaapi_encode_mangle_end(avctx);
|
|
|
|
if (err < 0)
|
|
|
|
goto fail;
|
|
|
|
ctx->end_of_stream = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
++ctx->input_order;
|
|
|
|
++ctx->output_order;
|
|
|
|
av_assert0(ctx->output_order + ctx->output_delay + 1 == ctx->input_order);
|
|
|
|
|
|
|
|
for (pic = ctx->pic_start; pic; pic = pic->next)
|
|
|
|
if (pic->encode_order == ctx->output_order)
|
|
|
|
break;
|
|
|
|
|
|
|
|
// pic can be null here if we don't have a specific target in this
|
|
|
|
// iteration. We might still issue encodes if things can be overlapped,
|
|
|
|
// even though we don't intend to output anything.
|
|
|
|
|
|
|
|
err = vaapi_encode_step(avctx, pic);
|
|
|
|
if (err < 0) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Encode failed: %d.\n", err);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!pic) {
|
|
|
|
*got_packet = 0;
|
|
|
|
} else {
|
|
|
|
err = vaapi_encode_output(avctx, pic, pkt);
|
|
|
|
if (err < 0) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Output failed: %d.\n", err);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ctx->output_delay == 0) {
|
|
|
|
pkt->dts = pkt->pts;
|
|
|
|
} else if (ctx->output_order < ctx->decode_delay) {
|
|
|
|
if (ctx->ts_ring[ctx->output_order] < INT64_MIN + ctx->dts_pts_diff)
|
|
|
|
pkt->dts = INT64_MIN;
|
|
|
|
else
|
|
|
|
pkt->dts = ctx->ts_ring[ctx->output_order] - ctx->dts_pts_diff;
|
|
|
|
} else {
|
|
|
|
pkt->dts = ctx->ts_ring[(ctx->output_order - ctx->decode_delay) %
|
|
|
|
(3 * ctx->output_delay)];
|
|
|
|
}
|
|
|
|
|
|
|
|
*got_packet = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = vaapi_encode_clear_old(avctx);
|
|
|
|
if (err < 0) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "List clearing failed: %d.\n", err);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
fail:
|
|
|
|
// Unclear what to clean up on failure. There are probably some things we
|
|
|
|
// could do usefully clean up here, but for now just leave them for uninit()
|
|
|
|
// to do instead.
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
av_cold int ff_vaapi_encode_init(AVCodecContext *avctx,
|
|
|
|
const VAAPIEncodeType *type)
|
|
|
|
{
|
|
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
|
|
AVVAAPIFramesContext *recon_hwctx = NULL;
|
|
|
|
AVVAAPIHWConfig *hwconfig = NULL;
|
|
|
|
AVHWFramesConstraints *constraints = NULL;
|
|
|
|
enum AVPixelFormat recon_format;
|
|
|
|
VAStatus vas;
|
|
|
|
int err, i;
|
|
|
|
|
|
|
|
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->codec = type;
|
|
|
|
|
|
|
|
ctx->priv_data = av_mallocz(type->priv_data_size);
|
|
|
|
if (!ctx->priv_data) {
|
|
|
|
err = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
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 = ctx->codec->init(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;
|
|
|
|
}
|
|
|
|
|
|
|
|
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)
|
|
|
|
recon_format = constraints->valid_sw_formats[i];
|
|
|
|
} 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->aligned_width < constraints->min_width ||
|
|
|
|
ctx->aligned_height < constraints->min_height ||
|
|
|
|
ctx->aligned_width > constraints->max_width ||
|
|
|
|
ctx->aligned_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->aligned_width, ctx->aligned_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->aligned_width;
|
|
|
|
ctx->recon_frames->height = ctx->aligned_height;
|
|
|
|
ctx->recon_frames->initial_pool_size = ctx->nb_recon_frames;
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
recon_hwctx = ctx->recon_frames->hwctx;
|
|
|
|
|
|
|
|
vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
|
|
|
|
ctx->aligned_width, ctx->aligned_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->input_order = 0;
|
|
|
|
ctx->output_delay = avctx->max_b_frames;
|
|
|
|
ctx->decode_delay = 1;
|
|
|
|
ctx->output_order = - ctx->output_delay - 1;
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// All I are IDR for now.
|
|
|
|
ctx->i_per_idr = 0;
|
|
|
|
ctx->p_per_i = ((avctx->gop_size + avctx->max_b_frames) /
|
|
|
|
(avctx->max_b_frames + 1));
|
|
|
|
ctx->b_per_p = avctx->max_b_frames;
|
|
|
|
|
|
|
|
// This should be configurable somehow. (Needs testing on a machine
|
|
|
|
// where it actually overlaps properly, though.)
|
|
|
|
ctx->issue_mode = ISSUE_MODE_MAXIMISE_THROUGHPUT;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
fail:
|
|
|
|
av_freep(&hwconfig);
|
|
|
|
av_hwframe_constraints_free(&constraints);
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ctx->va_context != VA_INVALID_ID)
|
|
|
|
vaDestroyContext(ctx->hwctx->display, ctx->va_context);
|
|
|
|
|
|
|
|
if (ctx->va_config != VA_INVALID_ID)
|
|
|
|
vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
|
|
|
|
|
|
|
|
if (ctx->codec->close)
|
|
|
|
ctx->codec->close(avctx);
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
|
|
|
av_freep(&ctx->priv_data);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|