GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/cbs_jpeg_syntax_template.c Lines: 0 89 0.0 %
Date: 2020-07-13 04:22:34 Branches: 0 96 0.0 %

Line Branch Exec Source
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/*
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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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static int FUNC(frame_header)(CodedBitstreamContext *ctx, RWContext *rw,
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                              JPEGRawFrameHeader *current)
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{
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    int err, i;
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    HEADER("Frame Header");
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    u(16, Lf, 8, 8 + 3 * JPEG_MAX_COMPONENTS);
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    u(8,  P,  2, 16);
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    u(16, Y,  0, JPEG_MAX_HEIGHT);
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    u(16, X,  1, JPEG_MAX_WIDTH);
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    u(8,  Nf, 1, JPEG_MAX_COMPONENTS);
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    for (i = 0; i < current->Nf; i++) {
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        us(8, C[i],  i, 0, JPEG_MAX_COMPONENTS);
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        us(4, H[i],  i, 1, 4);
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        us(4, V[i],  i, 1, 4);
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        us(8, Tq[i], i, 0, 3);
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    }
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    return 0;
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}
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static int FUNC(quantisation_table)(CodedBitstreamContext *ctx, RWContext *rw,
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                                     JPEGRawQuantisationTable *current)
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{
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    int err, i;
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    u(4, Pq, 0, 1);
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    u(4, Tq, 0, 3);
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    if (current->Pq) {
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        for (i = 0; i < 64; i++)
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            us(16, Q[i], i, 1, 255);
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    } else {
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        for (i = 0; i < 64; i++)
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            us(8,  Q[i], i, 1, 255);
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    }
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    return 0;
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}
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static int FUNC(dqt)(CodedBitstreamContext *ctx, RWContext *rw,
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                     JPEGRawQuantisationTableSpecification *current)
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{
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    int err, i, n;
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    HEADER("Quantisation Tables");
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    u(16, Lq, 2, 2 + 4 * 65);
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    n = current->Lq / 65;
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    for (i = 0; i < n; i++)
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        CHECK(FUNC(quantisation_table)(ctx, rw, &current->table[i]));
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    return 0;
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}
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static int FUNC(huffman_table)(CodedBitstreamContext *ctx, RWContext *rw,
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                               JPEGRawHuffmanTable *current)
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{
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    int err, i, j, ij;
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    u(4, Tc, 0, 1);
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    u(4, Th, 0, 3);
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    for (i = 0; i < 16; i++)
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        us(8, L[i], i, 0, 224);
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    ij = 0;
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    for (i = 0; i < 16; i++) {
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        for (j = 0; j < current->L[i]; j++) {
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            if (ij >= 224)
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                return AVERROR_INVALIDDATA;
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            us(8, V[ij], ij, 0, 255);
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            ++ij;
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        }
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    }
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    return 0;
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}
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static int FUNC(dht)(CodedBitstreamContext *ctx, RWContext *rw,
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                     JPEGRawHuffmanTableSpecification *current)
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{
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    int err, i, j, n;
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    HEADER("Huffman Tables");
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    u(16, Lh, 2, 2 + 8 * (1 + 16 + 256));
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    n = 2;
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    for (i = 0; n < current->Lh; i++) {
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        if (i >= 8)
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            return AVERROR_INVALIDDATA;
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        CHECK(FUNC(huffman_table)(ctx, rw, &current->table[i]));
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        ++n;
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        for (j = 0; j < 16; j++)
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            n += 1 + current->table[i].L[j];
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    }
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    return 0;
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}
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static int FUNC(scan_header)(CodedBitstreamContext *ctx, RWContext *rw,
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                             JPEGRawScanHeader *current)
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{
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    int err, j;
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    HEADER("Scan");
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    u(16, Ls, 6, 6 + 2 * JPEG_MAX_COMPONENTS);
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    u(8, Ns, 1, 4);
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    for (j = 0; j < current->Ns; j++) {
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        us(8, Cs[j], j, 0, JPEG_MAX_COMPONENTS);
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        us(4, Td[j], j, 0, 3);
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        us(4, Ta[j], j, 0, 3);
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    }
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    u(8, Ss, 0, 63);
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    u(8, Se, 0, 63);
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    u(4, Ah, 0, 13);
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    u(4, Al, 0, 15);
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    return 0;
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}
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static int FUNC(application_data)(CodedBitstreamContext *ctx, RWContext *rw,
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                                  JPEGRawApplicationData *current)
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{
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    int err, i;
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    HEADER("Application Data");
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    u(16, Lp, 2, 65535);
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    if (current->Lp > 2) {
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#ifdef READ
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        current->Ap_ref = av_buffer_alloc(current->Lp - 2);
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        if (!current->Ap_ref)
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            return AVERROR(ENOMEM);
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        current->Ap = current->Ap_ref->data;
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#endif
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        for (i = 0; i < current->Lp - 2; i++)
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            us(8, Ap[i], i, 0, 255);
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    }
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    return 0;
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}
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static int FUNC(comment)(CodedBitstreamContext *ctx, RWContext *rw,
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                         JPEGRawComment *current)
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{
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    int err, i;
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    HEADER("Comment");
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    u(16, Lc, 2, 65535);
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    if (current->Lc > 2) {
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#ifdef READ
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        current->Cm_ref = av_buffer_alloc(current->Lc - 2);
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        if (!current->Cm_ref)
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            return AVERROR(ENOMEM);
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        current->Cm = current->Cm_ref->data;
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#endif
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        for (i = 0; i < current->Lc - 2; i++)
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            us(8, Cm[i], i, 0, 255);
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    }
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    return 0;
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}