yading@10: /* yading@10: * R210 decoder yading@10: * yading@10: * Copyright (c) 2009 Reimar Doeffinger yading@10: * yading@10: * This file is part of FFmpeg. yading@10: * yading@10: * FFmpeg is free software; you can redistribute it and/or yading@10: * modify it under the terms of the GNU Lesser General Public yading@10: * License as published by the Free Software Foundation; either yading@10: * version 2.1 of the License, or (at your option) any later version. yading@10: * yading@10: * FFmpeg is distributed in the hope that it will be useful, yading@10: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@10: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@10: * Lesser General Public License for more details. yading@10: * yading@10: * You should have received a copy of the GNU Lesser General Public yading@10: * License along with FFmpeg; if not, write to the Free Software yading@10: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@10: */ yading@10: yading@10: #include "avcodec.h" yading@10: #include "internal.h" yading@10: #include "libavutil/bswap.h" yading@10: #include "libavutil/common.h" yading@10: yading@10: static av_cold int decode_init(AVCodecContext *avctx) yading@10: { yading@10: avctx->pix_fmt = AV_PIX_FMT_RGB48; yading@10: avctx->bits_per_raw_sample = 10; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, yading@10: AVPacket *avpkt) yading@10: { yading@10: int h, w, ret; yading@10: AVFrame *pic = data; yading@10: const uint32_t *src = (const uint32_t *)avpkt->data; yading@10: int aligned_width = FFALIGN(avctx->width, yading@10: avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64); yading@10: uint8_t *dst_line; yading@10: yading@10: if (avpkt->size < 4 * aligned_width * avctx->height) { yading@10: av_log(avctx, AV_LOG_ERROR, "packet too small\n"); yading@10: return AVERROR_INVALIDDATA; yading@10: } yading@10: yading@10: if ((ret = ff_get_buffer(avctx, pic, 0)) < 0) yading@10: return ret; yading@10: yading@10: pic->pict_type = AV_PICTURE_TYPE_I; yading@10: pic->key_frame = 1; yading@10: dst_line = pic->data[0]; yading@10: yading@10: for (h = 0; h < avctx->height; h++) { yading@10: uint16_t *dst = (uint16_t *)dst_line; yading@10: for (w = 0; w < avctx->width; w++) { yading@10: uint32_t pixel; yading@10: uint16_t r, g, b; yading@10: if (avctx->codec_id==AV_CODEC_ID_AVRP) { yading@10: pixel = av_le2ne32(*src++); yading@10: } else { yading@10: pixel = av_be2ne32(*src++); yading@10: } yading@10: if (avctx->codec_id==AV_CODEC_ID_R210) { yading@10: b = pixel << 6; yading@10: g = (pixel >> 4) & 0xffc0; yading@10: r = (pixel >> 14) & 0xffc0; yading@10: } else { yading@10: b = pixel << 4; yading@10: g = (pixel >> 6) & 0xffc0; yading@10: r = (pixel >> 16) & 0xffc0; yading@10: } yading@10: *dst++ = r | (r >> 10); yading@10: *dst++ = g | (g >> 10); yading@10: *dst++ = b | (b >> 10); yading@10: } yading@10: src += aligned_width - avctx->width; yading@10: dst_line += pic->linesize[0]; yading@10: } yading@10: yading@10: *got_frame = 1; yading@10: yading@10: return avpkt->size; yading@10: } yading@10: yading@10: #if CONFIG_R210_DECODER yading@10: AVCodec ff_r210_decoder = { yading@10: .name = "r210", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_R210, yading@10: .init = decode_init, yading@10: .decode = decode_frame, yading@10: .capabilities = CODEC_CAP_DR1, yading@10: .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"), yading@10: }; yading@10: #endif yading@10: #if CONFIG_R10K_DECODER yading@10: AVCodec ff_r10k_decoder = { yading@10: .name = "r10k", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_R10K, yading@10: .init = decode_init, yading@10: .decode = decode_frame, yading@10: .capabilities = CODEC_CAP_DR1, yading@10: .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"), yading@10: }; yading@10: #endif yading@10: #if CONFIG_AVRP_DECODER yading@10: AVCodec ff_avrp_decoder = { yading@10: .name = "avrp", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_AVRP, yading@10: .init = decode_init, yading@10: .decode = decode_frame, yading@10: .capabilities = CODEC_CAP_DR1, yading@10: .long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"), yading@10: }; yading@10: #endif