GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/v210enc.c Lines: 50 62 80.6 %
Date: 2020-09-25 14:59:26 Branches: 11 24 45.8 %

Line Branch Exec Source
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/*
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 * V210 encoder
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 *
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 * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
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 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
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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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#include "avcodec.h"
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#include "bytestream.h"
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#include "internal.h"
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#include "v210enc.h"
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#define TYPE uint8_t
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#define DEPTH 8
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#define BYTES_PER_PIXEL 1
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#define RENAME(a) a ## _ ## 8
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#include "v210_template.c"
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#undef RENAME
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#undef DEPTH
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#undef BYTES_PER_PIXEL
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#undef TYPE
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#define TYPE uint16_t
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#define DEPTH 10
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#define BYTES_PER_PIXEL 2
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#define RENAME(a) a ## _ ## 10
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#include "v210_template.c"
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#undef RENAME
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#undef DEPTH
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#undef BYTES_PER_PIXEL
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#undef TYPE
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static void v210_planar_pack_8_c(const uint8_t *y, const uint8_t *u,
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                                 const uint8_t *v, uint8_t *dst,
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                                 ptrdiff_t width)
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{
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    uint32_t val;
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    int i;
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    /* unroll this to match the assembly */
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1303806
    for (i = 0; i < width - 11; i += 12) {
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1258783
        WRITE_PIXELS(u, y, v, 8);
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1258783
        WRITE_PIXELS(y, u, y, 8);
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1258783
        WRITE_PIXELS(v, y, u, 8);
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1258783
        WRITE_PIXELS(y, v, y, 8);
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1258783
        WRITE_PIXELS(u, y, v, 8);
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        WRITE_PIXELS(y, u, y, 8);
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1258783
        WRITE_PIXELS(v, y, u, 8);
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        WRITE_PIXELS(y, v, y, 8);
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    }
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}
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static void v210_planar_pack_10_c(const uint16_t *y, const uint16_t *u,
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                                  const uint16_t *v, uint8_t *dst,
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                                  ptrdiff_t width)
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{
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    uint32_t val;
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    int i;
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2569455
    for (i = 0; i < width - 5; i += 6) {
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2524309
        WRITE_PIXELS(u, y, v, 10);
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        WRITE_PIXELS(y, u, y, 10);
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        WRITE_PIXELS(v, y, u, 10);
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        WRITE_PIXELS(y, v, y, 10);
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    }
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}
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av_cold void ff_v210enc_init(V210EncContext *s)
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{
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    s->pack_line_8  = v210_planar_pack_8_c;
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    s->pack_line_10 = v210_planar_pack_10_c;
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    s->sample_factor_8  = 2;
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    s->sample_factor_10 = 1;
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    if (ARCH_X86)
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        ff_v210enc_init_x86(s);
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}
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static av_cold int encode_init(AVCodecContext *avctx)
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{
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    V210EncContext *s = avctx->priv_data;
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    if (avctx->width & 1) {
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        av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
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        return AVERROR(EINVAL);
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    }
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#if FF_API_CODED_FRAME
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FF_DISABLE_DEPRECATION_WARNINGS
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    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
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FF_ENABLE_DEPRECATION_WARNINGS
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#endif
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    ff_v210enc_init(s);
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    avctx->bits_per_coded_sample = 20;
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    avctx->bit_rate = ff_guess_coded_bitrate(avctx) * 16 / 15;
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    return 0;
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}
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static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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                        const AVFrame *pic, int *got_packet)
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{
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    int aligned_width = ((avctx->width + 47) / 48) * 48;
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    int stride = aligned_width * 8 / 3;
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    AVFrameSideData *side_data;
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    int ret;
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    uint8_t *dst;
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    ret = ff_alloc_packet2(avctx, pkt, avctx->height * stride, avctx->height * stride);
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    if (ret < 0) {
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        av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
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        return ret;
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    }
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    dst = pkt->data;
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    if (pic->format == AV_PIX_FMT_YUV422P10)
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        v210_enc_10(avctx, dst, pic);
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    else if(pic->format == AV_PIX_FMT_YUV422P)
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        v210_enc_8(avctx, dst, pic);
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    side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_A53_CC);
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    if (side_data && side_data->size) {
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        uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_A53_CC, side_data->size);
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        if (!buf)
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            return AVERROR(ENOMEM);
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        memcpy(buf, side_data->data, side_data->size);
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    }
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    side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_AFD);
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    if (side_data && side_data->size) {
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        uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_AFD, side_data->size);
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        if (!buf)
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            return AVERROR(ENOMEM);
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        memcpy(buf, side_data->data, side_data->size);
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    }
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    pkt->flags |= AV_PKT_FLAG_KEY;
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    *got_packet = 1;
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    return 0;
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}
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AVCodec ff_v210_encoder = {
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    .name           = "v210",
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    .long_name      = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"),
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    .type           = AVMEDIA_TYPE_VIDEO,
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    .id             = AV_CODEC_ID_V210,
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    .priv_data_size = sizeof(V210EncContext),
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    .init           = encode_init,
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    .encode2        = encode_frame,
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    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },
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};