GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/r210enc.c Lines: 34 37 91.9 %
Date: 2020-09-25 14:59:26 Branches: 12 20 60.0 %

Line Branch Exec Source
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/*
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 * R210 encoder
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 *
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 * Copyright (c) 2012 Paul B Mahol
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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 "internal.h"
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#include "bytestream.h"
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static av_cold int encode_init(AVCodecContext *avctx)
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{
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    int aligned_width = FFALIGN(avctx->width,
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                                avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
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    avctx->bits_per_coded_sample = 32;
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    if (avctx->width > 0)
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        avctx->bit_rate = ff_guess_coded_bitrate(avctx) * aligned_width / avctx->width;
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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 i, j, ret;
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    int aligned_width = FFALIGN(avctx->width,
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                                avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
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    int pad = (aligned_width - avctx->width) * 4;
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    uint8_t *srcr_line, *srcg_line, *srcb_line;
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    uint8_t *dst;
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    if ((ret = ff_alloc_packet2(avctx, pkt, 4 * aligned_width * avctx->height, 0)) < 0)
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        return ret;
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    srcg_line = pic->data[0];
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    srcb_line = pic->data[1];
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    srcr_line = pic->data[2];
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    dst = pkt->data;
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    for (i = 0; i < avctx->height; i++) {
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        uint16_t *srcr = (uint16_t *)srcr_line;
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        uint16_t *srcg = (uint16_t *)srcg_line;
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        uint16_t *srcb = (uint16_t *)srcb_line;
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        for (j = 0; j < avctx->width; j++) {
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            uint32_t pixel;
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            unsigned r = *srcr++;
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            unsigned g = *srcg++;
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            unsigned b = *srcb++;
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            if (avctx->codec_id == AV_CODEC_ID_R210)
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                pixel = (r << 20) | (g << 10) | b;
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            else
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                pixel = (r << 22) | (g << 12) | (b << 2);
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            if (avctx->codec_id == AV_CODEC_ID_AVRP)
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                bytestream_put_le32(&dst, pixel);
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            else
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                bytestream_put_be32(&dst, pixel);
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        }
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        memset(dst, 0, pad);
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        dst += pad;
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        srcr_line += pic->linesize[2];
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        srcg_line += pic->linesize[0];
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        srcb_line += pic->linesize[1];
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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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#if CONFIG_R210_ENCODER
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AVCodec ff_r210_encoder = {
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    .name           = "r210",
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    .long_name      = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
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    .type           = AVMEDIA_TYPE_VIDEO,
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    .id             = AV_CODEC_ID_R210,
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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_GBRP10, AV_PIX_FMT_NONE },
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};
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#endif
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#if CONFIG_R10K_ENCODER
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AVCodec ff_r10k_encoder = {
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    .name           = "r10k",
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    .long_name      = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
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    .type           = AVMEDIA_TYPE_VIDEO,
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    .id             = AV_CODEC_ID_R10K,
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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_GBRP10, AV_PIX_FMT_NONE },
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};
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#endif
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#if CONFIG_AVRP_ENCODER
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AVCodec ff_avrp_encoder = {
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    .name           = "avrp",
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    .long_name      = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"),
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    .type           = AVMEDIA_TYPE_VIDEO,
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    .id             = AV_CODEC_ID_AVRP,
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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_GBRP10, AV_PIX_FMT_NONE },
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};
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#endif