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a247ac640d
Given that the AVCodec.next pointer has now been removed, most of the AVCodecs are not modified at all any more and can therefore be made const (as this patch does); the only exceptions are the very few codecs for external libraries that have a init_static_data callback. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
121 lines
4.0 KiB
C
121 lines
4.0 KiB
C
/*
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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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const 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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const 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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const 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
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