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124 lines
3.8 KiB
124 lines
3.8 KiB
/* |
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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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avctx->coded_frame = avcodec_alloc_frame(); |
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if (!avctx->coded_frame) |
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return AVERROR(ENOMEM); |
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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 == CODEC_ID_R10K ? 1 : 64); |
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int pad = (aligned_width - avctx->width) * 4; |
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uint8_t *src_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) |
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return ret; |
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avctx->coded_frame->reference = 0; |
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avctx->coded_frame->key_frame = 1; |
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avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; |
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src_line = pic->data[0]; |
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dst = pkt->data; |
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for (i = 0; i < avctx->height; i++) { |
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uint16_t *src = (uint16_t *)src_line; |
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for (j = 0; j < avctx->width; j++) { |
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uint32_t pixel; |
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uint16_t r = *src++ >> 6; |
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uint16_t g = *src++ >> 6; |
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uint16_t b = *src++ >> 4; |
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if (avctx->codec_id == CODEC_ID_R210) |
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pixel = (r << 20) | (g << 10) | b >> 2; |
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else |
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pixel = (r << 22) | (g << 12) | b; |
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if (avctx->codec_id == 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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src_line += pic->linesize[0]; |
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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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static av_cold int encode_close(AVCodecContext *avctx) |
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{ |
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av_freep(&avctx->coded_frame); |
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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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.type = AVMEDIA_TYPE_VIDEO, |
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.id = CODEC_ID_R210, |
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.init = encode_init, |
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.encode2 = encode_frame, |
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.close = encode_close, |
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.pix_fmts = (const enum PixelFormat[]) { PIX_FMT_RGB48, PIX_FMT_NONE }, |
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.long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"), |
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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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.type = AVMEDIA_TYPE_VIDEO, |
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.id = CODEC_ID_R10K, |
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.init = encode_init, |
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.encode2 = encode_frame, |
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.close = encode_close, |
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.pix_fmts = (const enum PixelFormat[]) { PIX_FMT_RGB48, PIX_FMT_NONE }, |
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.long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"), |
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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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.type = AVMEDIA_TYPE_VIDEO, |
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.id = CODEC_ID_AVRP, |
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.init = encode_init, |
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.encode2 = encode_frame, |
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.close = encode_close, |
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.pix_fmts = (const enum PixelFormat[]) { PIX_FMT_RGB48, PIX_FMT_NONE }, |
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.long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"), |
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}; |
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#endif
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