mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
08bebeb1be
Some callers assume that item_name is always set, so this may be
considered an API break.
This reverts commit 0c6203c97a.
589 lines
18 KiB
C
589 lines
18 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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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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* FFmpeg is distributed in the hope that it will be useful,
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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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* License along with FFmpeg; if not, write to the Free Software
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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 <va/va.h>
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#include <va/va_enc_jpeg.h>
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#include "libavutil/avassert.h"
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#include "libavutil/common.h"
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#include "libavutil/internal.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avcodec.h"
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#include "bytestream.h"
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#include "cbs.h"
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#include "cbs_jpeg.h"
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#include "codec_internal.h"
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#include "jpegtables.h"
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#include "mjpeg.h"
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#include "put_bits.h"
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#include "vaapi_encode.h"
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// Standard JPEG quantisation tables, in zigzag order.
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static const unsigned char vaapi_encode_mjpeg_quant_luminance[64] = {
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16, 11, 12, 14, 12, 10, 16, 14,
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13, 14, 18, 17, 16, 19, 24, 40,
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26, 24, 22, 22, 24, 49, 35, 37,
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29, 40, 58, 51, 61, 60, 57, 51,
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56, 55, 64, 72, 92, 78, 64, 68,
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87, 69, 55, 56, 80, 109, 81, 87,
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95, 98, 103, 104, 103, 62, 77, 113,
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121, 112, 100, 120, 92, 101, 103, 99,
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};
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static const unsigned char vaapi_encode_mjpeg_quant_chrominance[64] = {
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17, 18, 18, 24, 21, 24, 47, 26,
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26, 47, 99, 66, 56, 66, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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};
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typedef struct VAAPIEncodeMJPEGContext {
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VAAPIEncodeContext common;
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// User options.
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int jfif;
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int huffman;
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// Derived settings.
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int quality;
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uint8_t jfif_data[14];
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// Writer structures.
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JPEGRawFrameHeader frame_header;
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JPEGRawScan scan;
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JPEGRawApplicationData jfif_header;
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JPEGRawQuantisationTableSpecification quant_tables;
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JPEGRawHuffmanTableSpecification huffman_tables;
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CodedBitstreamContext *cbc;
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CodedBitstreamFragment current_fragment;
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} VAAPIEncodeMJPEGContext;
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static int vaapi_encode_mjpeg_write_image_header(AVCodecContext *avctx,
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VAAPIEncodePicture *pic,
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VAAPIEncodeSlice *slice,
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char *data, size_t *data_len)
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{
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VAAPIEncodeMJPEGContext *priv = avctx->priv_data;
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CodedBitstreamFragment *frag = &priv->current_fragment;
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int err;
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if (priv->jfif) {
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err = ff_cbs_insert_unit_content(frag, -1,
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JPEG_MARKER_APPN + 0,
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&priv->jfif_header, NULL);
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if (err < 0)
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goto fail;
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}
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err = ff_cbs_insert_unit_content(frag, -1,
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JPEG_MARKER_DQT,
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&priv->quant_tables, NULL);
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if (err < 0)
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goto fail;
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err = ff_cbs_insert_unit_content(frag, -1,
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JPEG_MARKER_SOF0,
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&priv->frame_header, NULL);
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if (err < 0)
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goto fail;
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if (priv->huffman) {
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err = ff_cbs_insert_unit_content(frag, -1,
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JPEG_MARKER_DHT,
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&priv->huffman_tables, NULL);
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if (err < 0)
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goto fail;
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}
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err = ff_cbs_insert_unit_content(frag, -1,
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JPEG_MARKER_SOS,
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&priv->scan, NULL);
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if (err < 0)
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goto fail;
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err = ff_cbs_write_fragment_data(priv->cbc, frag);
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if (err < 0) {
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av_log(avctx, AV_LOG_ERROR, "Failed to write image header.\n");
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goto fail;
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}
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if (*data_len < 8 * frag->data_size) {
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av_log(avctx, AV_LOG_ERROR, "Image header too large: "
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"%zu < %zu.\n", *data_len, 8 * frag->data_size);
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err = AVERROR(ENOSPC);
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goto fail;
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}
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// Remove the EOI at the end of the fragment.
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memcpy(data, frag->data, frag->data_size - 2);
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*data_len = 8 * (frag->data_size - 2);
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err = 0;
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fail:
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ff_cbs_fragment_reset(frag);
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return err;
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}
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static int vaapi_encode_mjpeg_write_extra_buffer(AVCodecContext *avctx,
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VAAPIEncodePicture *pic,
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int index, int *type,
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char *data, size_t *data_len)
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{
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VAAPIEncodeMJPEGContext *priv = avctx->priv_data;
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int t, i, k;
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if (index == 0) {
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// Write quantisation tables.
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JPEGRawFrameHeader *fh = &priv->frame_header;
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JPEGRawQuantisationTableSpecification *dqt = &priv->quant_tables;
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VAQMatrixBufferJPEG *quant;
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if (*data_len < sizeof(*quant))
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return AVERROR(ENOSPC);
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*type = VAQMatrixBufferType;
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*data_len = sizeof(*quant);
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quant = (VAQMatrixBufferJPEG*)data;
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memset(quant, 0, sizeof(*quant));
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quant->load_lum_quantiser_matrix = 1;
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for (i = 0; i < 64; i++)
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quant->lum_quantiser_matrix[i] = dqt->table[fh->Tq[0]].Q[i];
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if (fh->Nf > 1) {
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quant->load_chroma_quantiser_matrix = 1;
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for (i = 0; i < 64; i++)
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quant->chroma_quantiser_matrix[i] =
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dqt->table[fh->Tq[1]].Q[i];
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}
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} else if (index == 1) {
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// Write huffman tables.
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JPEGRawScanHeader *sh = &priv->scan.header;
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JPEGRawHuffmanTableSpecification *dht = &priv->huffman_tables;
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VAHuffmanTableBufferJPEGBaseline *huff;
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if (*data_len < sizeof(*huff))
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return AVERROR(ENOSPC);
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*type = VAHuffmanTableBufferType;
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*data_len = sizeof(*huff);
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huff = (VAHuffmanTableBufferJPEGBaseline*)data;
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memset(huff, 0, sizeof(*huff));
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for (t = 0; t < 1 + (sh->Ns > 1); t++) {
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const JPEGRawHuffmanTable *ht;
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huff->load_huffman_table[t] = 1;
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ht = &dht->table[2 * t];
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for (i = k = 0; i < 16; i++)
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k += (huff->huffman_table[t].num_dc_codes[i] = ht->L[i]);
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av_assert0(k <= sizeof(huff->huffman_table[t].dc_values));
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for (i = 0; i < k; i++)
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huff->huffman_table[t].dc_values[i] = ht->V[i];
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ht = &dht->table[2 * t + 1];
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for (i = k = 0; i < 16; i++)
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k += (huff->huffman_table[t].num_ac_codes[i] = ht->L[i]);
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av_assert0(k <= sizeof(huff->huffman_table[t].ac_values));
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for (i = 0; i < k; i++)
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huff->huffman_table[t].ac_values[i] = ht->V[i];
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}
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} else {
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return AVERROR_EOF;
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}
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return 0;
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}
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static int vaapi_encode_mjpeg_init_picture_params(AVCodecContext *avctx,
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VAAPIEncodePicture *pic)
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{
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VAAPIEncodeMJPEGContext *priv = avctx->priv_data;
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JPEGRawFrameHeader *fh = &priv->frame_header;
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JPEGRawScanHeader *sh = &priv->scan.header;
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VAEncPictureParameterBufferJPEG *vpic = pic->codec_picture_params;
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const AVPixFmtDescriptor *desc;
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const uint8_t components_rgb[3] = { 'R', 'G', 'B' };
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const uint8_t components_yuv[3] = { 1, 2, 3 };
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const uint8_t *components;
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int t, i, quant_scale, len;
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av_assert0(pic->type == PICTURE_TYPE_IDR);
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desc = av_pix_fmt_desc_get(priv->common.input_frames->sw_format);
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av_assert0(desc);
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if (desc->flags & AV_PIX_FMT_FLAG_RGB)
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components = components_rgb;
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else
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components = components_yuv;
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// Frame header.
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fh->P = 8;
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fh->Y = avctx->height;
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fh->X = avctx->width;
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fh->Nf = desc->nb_components;
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for (i = 0; i < fh->Nf; i++) {
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fh->C[i] = components[i];
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fh->H[i] = 1 + (i == 0 ? desc->log2_chroma_w : 0);
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fh->V[i] = 1 + (i == 0 ? desc->log2_chroma_h : 0);
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fh->Tq[i] = !!i;
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}
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fh->Lf = 8 + 3 * fh->Nf;
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// JFIF header.
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if (priv->jfif) {
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JPEGRawApplicationData *app = &priv->jfif_header;
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AVRational sar = pic->input_image->sample_aspect_ratio;
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int sar_w, sar_h;
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PutByteContext pbc;
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bytestream2_init_writer(&pbc, priv->jfif_data,
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sizeof(priv->jfif_data));
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bytestream2_put_buffer(&pbc, "JFIF", 5);
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bytestream2_put_be16(&pbc, 0x0102);
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bytestream2_put_byte(&pbc, 0);
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av_reduce(&sar_w, &sar_h, sar.num, sar.den, 65535);
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if (sar_w && sar_h) {
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bytestream2_put_be16(&pbc, sar_w);
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bytestream2_put_be16(&pbc, sar_h);
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} else {
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bytestream2_put_be16(&pbc, 1);
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bytestream2_put_be16(&pbc, 1);
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}
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bytestream2_put_byte(&pbc, 0);
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bytestream2_put_byte(&pbc, 0);
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av_assert0(bytestream2_get_bytes_left_p(&pbc) == 0);
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app->Lp = 2 + sizeof(priv->jfif_data);
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app->Ap = priv->jfif_data;
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app->Ap_ref = NULL;
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}
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// Quantisation tables.
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if (priv->quality < 50)
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quant_scale = 5000 / priv->quality;
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else
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quant_scale = 200 - 2 * priv->quality;
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len = 2;
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for (t = 0; t < 1 + (fh->Nf > 1); t++) {
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JPEGRawQuantisationTable *quant = &priv->quant_tables.table[t];
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const uint8_t *data = t == 0 ?
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vaapi_encode_mjpeg_quant_luminance :
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vaapi_encode_mjpeg_quant_chrominance;
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quant->Pq = 0;
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quant->Tq = t;
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for (i = 0; i < 64; i++)
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quant->Q[i] = av_clip(data[i] * quant_scale / 100, 1, 255);
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len += 65;
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}
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priv->quant_tables.Lq = len;
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// Huffman tables.
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len = 2;
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for (t = 0; t < 2 + 2 * (fh->Nf > 1); t++) {
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JPEGRawHuffmanTable *huff = &priv->huffman_tables.table[t];
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const uint8_t *lengths, *values;
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int k;
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switch (t) {
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case 0:
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lengths = ff_mjpeg_bits_dc_luminance + 1;
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values = ff_mjpeg_val_dc;
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break;
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case 1:
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lengths = ff_mjpeg_bits_ac_luminance + 1;
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values = ff_mjpeg_val_ac_luminance;
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break;
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case 2:
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lengths = ff_mjpeg_bits_dc_chrominance + 1;
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values = ff_mjpeg_val_dc;
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break;
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case 3:
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lengths = ff_mjpeg_bits_ac_chrominance + 1;
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values = ff_mjpeg_val_ac_chrominance;
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break;
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}
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huff->Tc = t % 2;
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huff->Th = t / 2;
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for (i = k = 0; i < 16; i++)
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k += (huff->L[i] = lengths[i]);
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for (i = 0; i < k; i++)
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huff->V[i] = values[i];
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len += 17 + k;
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}
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priv->huffman_tables.Lh = len;
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// Scan header.
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sh->Ns = fh->Nf;
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for (i = 0; i < fh->Nf; i++) {
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sh->Cs[i] = fh->C[i];
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sh->Td[i] = i > 0;
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sh->Ta[i] = i > 0;
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}
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sh->Ss = 0;
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sh->Se = 63;
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sh->Ah = 0;
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sh->Al = 0;
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sh->Ls = 6 + 2 * sh->Ns;
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*vpic = (VAEncPictureParameterBufferJPEG) {
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.reconstructed_picture = pic->recon_surface,
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.coded_buf = pic->output_buffer,
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.picture_width = fh->X,
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.picture_height = fh->Y,
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.pic_flags.bits = {
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.profile = 0,
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.progressive = 0,
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.huffman = 1,
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.interleaved = 0,
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.differential = 0,
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},
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.sample_bit_depth = fh->P,
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.num_scan = 1,
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.num_components = fh->Nf,
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// The driver modifies the provided quantisation tables according
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// to this quality value; the middle value of 50 makes that the
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// identity so that they are used unchanged.
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.quality = 50,
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};
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for (i = 0; i < fh->Nf; i++) {
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vpic->component_id[i] = fh->C[i];
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vpic->quantiser_table_selector[i] = fh->Tq[i];
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}
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pic->nb_slices = 1;
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return 0;
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}
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static int vaapi_encode_mjpeg_init_slice_params(AVCodecContext *avctx,
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VAAPIEncodePicture *pic,
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VAAPIEncodeSlice *slice)
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{
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VAAPIEncodeMJPEGContext *priv = avctx->priv_data;
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JPEGRawScanHeader *sh = &priv->scan.header;
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VAEncSliceParameterBufferJPEG *vslice = slice->codec_slice_params;
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int i;
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*vslice = (VAEncSliceParameterBufferJPEG) {
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.restart_interval = 0,
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.num_components = sh->Ns,
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};
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for (i = 0; i < sh->Ns; i++) {
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vslice->components[i].component_selector = sh->Cs[i];
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vslice->components[i].dc_table_selector = sh->Td[i];
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vslice->components[i].ac_table_selector = sh->Ta[i];
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}
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return 0;
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}
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static av_cold int vaapi_encode_mjpeg_get_encoder_caps(AVCodecContext *avctx)
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{
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VAAPIEncodeContext *ctx = avctx->priv_data;
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const AVPixFmtDescriptor *desc;
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desc = av_pix_fmt_desc_get(ctx->input_frames->sw_format);
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av_assert0(desc);
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ctx->surface_width = FFALIGN(avctx->width, 8 << desc->log2_chroma_w);
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ctx->surface_height = FFALIGN(avctx->height, 8 << desc->log2_chroma_h);
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return 0;
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}
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static av_cold int vaapi_encode_mjpeg_configure(AVCodecContext *avctx)
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{
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VAAPIEncodeContext *ctx = avctx->priv_data;
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VAAPIEncodeMJPEGContext *priv = avctx->priv_data;
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int err;
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priv->quality = ctx->rc_quality;
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if (priv->quality < 1 || priv->quality > 100) {
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av_log(avctx, AV_LOG_ERROR, "Invalid quality value %d "
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"(must be 1-100).\n", priv->quality);
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return AVERROR(EINVAL);
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}
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// Hack: the implementation calls the JPEG image header (which we
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// will use in the same way as a slice header) generic "raw data".
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// Therefore, if after the packed header capability check we have
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// PACKED_HEADER_RAW_DATA available, rewrite it as
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// PACKED_HEADER_SLICE so that the header-writing code can do the
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// right thing.
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if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_RAW_DATA) {
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ctx->va_packed_headers &= ~VA_ENC_PACKED_HEADER_RAW_DATA;
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ctx->va_packed_headers |= VA_ENC_PACKED_HEADER_SLICE;
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}
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err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_MJPEG, avctx);
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if (err < 0)
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return err;
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return 0;
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}
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static const VAAPIEncodeProfile vaapi_encode_mjpeg_profiles[] = {
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{ AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT,
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8, 1, 0, 0, VAProfileJPEGBaseline },
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{ AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT,
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8, 3, 1, 1, VAProfileJPEGBaseline },
|
|
{ AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT,
|
|
8, 3, 1, 0, VAProfileJPEGBaseline },
|
|
{ AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT,
|
|
8, 3, 0, 0, VAProfileJPEGBaseline },
|
|
{ AV_PROFILE_UNKNOWN }
|
|
};
|
|
|
|
static const VAAPIEncodeType vaapi_encode_type_mjpeg = {
|
|
.profiles = vaapi_encode_mjpeg_profiles,
|
|
|
|
.flags = FLAG_CONSTANT_QUALITY_ONLY |
|
|
FLAG_INTRA_ONLY,
|
|
|
|
.get_encoder_caps = &vaapi_encode_mjpeg_get_encoder_caps,
|
|
.configure = &vaapi_encode_mjpeg_configure,
|
|
|
|
.default_quality = 80,
|
|
|
|
.picture_params_size = sizeof(VAEncPictureParameterBufferJPEG),
|
|
.init_picture_params = &vaapi_encode_mjpeg_init_picture_params,
|
|
|
|
.slice_params_size = sizeof(VAEncSliceParameterBufferJPEG),
|
|
.init_slice_params = &vaapi_encode_mjpeg_init_slice_params,
|
|
|
|
.slice_header_type = VAEncPackedHeaderRawData,
|
|
.write_slice_header = &vaapi_encode_mjpeg_write_image_header,
|
|
|
|
.write_extra_buffer = &vaapi_encode_mjpeg_write_extra_buffer,
|
|
};
|
|
|
|
static av_cold int vaapi_encode_mjpeg_init(AVCodecContext *avctx)
|
|
{
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
|
|
ctx->codec = &vaapi_encode_type_mjpeg;
|
|
|
|
// The JPEG image header - see note above.
|
|
ctx->desired_packed_headers =
|
|
VA_ENC_PACKED_HEADER_RAW_DATA;
|
|
|
|
return ff_vaapi_encode_init(avctx);
|
|
}
|
|
|
|
static av_cold int vaapi_encode_mjpeg_close(AVCodecContext *avctx)
|
|
{
|
|
VAAPIEncodeMJPEGContext *priv = avctx->priv_data;
|
|
|
|
ff_cbs_fragment_free(&priv->current_fragment);
|
|
ff_cbs_close(&priv->cbc);
|
|
|
|
return ff_vaapi_encode_close(avctx);
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(VAAPIEncodeMJPEGContext, x)
|
|
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
|
|
static const AVOption vaapi_encode_mjpeg_options[] = {
|
|
VAAPI_ENCODE_COMMON_OPTIONS,
|
|
|
|
{ "jfif", "Include JFIF header",
|
|
OFFSET(jfif), AV_OPT_TYPE_BOOL,
|
|
{ .i64 = 0 }, 0, 1, FLAGS },
|
|
{ "huffman", "Include huffman tables",
|
|
OFFSET(huffman), AV_OPT_TYPE_BOOL,
|
|
{ .i64 = 1 }, 0, 1, FLAGS },
|
|
|
|
{ NULL },
|
|
};
|
|
|
|
static const FFCodecDefault vaapi_encode_mjpeg_defaults[] = {
|
|
{ "b", "0" },
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass vaapi_encode_mjpeg_class = {
|
|
.class_name = "mjpeg_vaapi",
|
|
.item_name = av_default_item_name,
|
|
.option = vaapi_encode_mjpeg_options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
const FFCodec ff_mjpeg_vaapi_encoder = {
|
|
.p.name = "mjpeg_vaapi",
|
|
CODEC_LONG_NAME("MJPEG (VAAPI)"),
|
|
.p.type = AVMEDIA_TYPE_VIDEO,
|
|
.p.id = AV_CODEC_ID_MJPEG,
|
|
.priv_data_size = sizeof(VAAPIEncodeMJPEGContext),
|
|
.init = &vaapi_encode_mjpeg_init,
|
|
FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
|
|
.close = &vaapi_encode_mjpeg_close,
|
|
.p.priv_class = &vaapi_encode_mjpeg_class,
|
|
.p.capabilities = AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_DR1 |
|
|
AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
|
|
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
|
|
FF_CODEC_CAP_INIT_CLEANUP,
|
|
.defaults = vaapi_encode_mjpeg_defaults,
|
|
.p.pix_fmts = (const enum AVPixelFormat[]) {
|
|
AV_PIX_FMT_VAAPI,
|
|
AV_PIX_FMT_NONE,
|
|
},
|
|
.hw_configs = ff_vaapi_encode_hw_configs,
|
|
.p.wrapper_name = "vaapi",
|
|
};
|