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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * R210 encoder |
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| 3 | * |
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| 4 | * Copyright (c) 2012 Paul B Mahol |
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| 5 | * |
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| 6 | * This file is part of FFmpeg. |
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| 7 | * |
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| 8 | * FFmpeg is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU Lesser General Public |
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| 10 | * License as published by the Free Software Foundation; either |
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| 11 | * version 2.1 of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * FFmpeg is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public |
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| 19 | * License along with FFmpeg; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |||
| 23 | #include "avcodec.h" |
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| 24 | #include "internal.h" |
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| 25 | #include "bytestream.h" |
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| 26 | |||
| 27 | static av_cold int encode_init(AVCodecContext *avctx) |
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| 28 | { |
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| 29 | avctx->coded_frame = avcodec_alloc_frame(); |
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| 30 | |||
| 31 | if (!avctx->coded_frame) |
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| 32 | return AVERROR(ENOMEM); |
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| 33 | |||
| 34 | return 0; |
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| 35 | } |
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| 36 | |||
| 37 | static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
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| 38 | const AVFrame *pic, int *got_packet) |
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| 39 | { |
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| 40 | int i, j, ret; |
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| 41 | int aligned_width = FFALIGN(avctx->width, |
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| 42 | avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64); |
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| 43 | int pad = (aligned_width - avctx->width) * 4; |
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| 44 | uint8_t *src_line; |
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| 45 | uint8_t *dst; |
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| 46 | |||
| 47 | if ((ret = ff_alloc_packet2(avctx, pkt, 4 * aligned_width * avctx->height)) < 0) |
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| 48 | return ret; |
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| 49 | |||
| 50 | avctx->coded_frame->key_frame = 1; |
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| 51 | avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; |
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| 52 | src_line = pic->data[0]; |
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| 53 | dst = pkt->data; |
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| 54 | |||
| 55 | for (i = 0; i < avctx->height; i++) { |
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| 56 | uint16_t *src = (uint16_t *)src_line; |
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| 57 | for (j = 0; j < avctx->width; j++) { |
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| 58 | uint32_t pixel; |
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| 59 | uint16_t r = *src++ >> 6; |
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| 60 | uint16_t g = *src++ >> 6; |
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| 61 | uint16_t b = *src++ >> 4; |
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| 62 | if (avctx->codec_id == AV_CODEC_ID_R210) |
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| 63 | pixel = (r << 20) | (g << 10) | b >> 2; |
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| 64 | else |
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| 65 | pixel = (r << 22) | (g << 12) | b; |
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| 66 | if (avctx->codec_id == AV_CODEC_ID_AVRP) |
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| 67 | bytestream_put_le32(&dst, pixel); |
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| 68 | else |
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| 69 | bytestream_put_be32(&dst, pixel); |
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| 70 | } |
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| 71 | memset(dst, 0, pad); |
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| 72 | dst += pad; |
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| 73 | src_line += pic->linesize[0]; |
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| 74 | } |
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| 75 | |||
| 76 | pkt->flags |= AV_PKT_FLAG_KEY; |
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| 77 | *got_packet = 1; |
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| 78 | return 0; |
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| 79 | } |
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| 80 | |||
| 81 | static av_cold int encode_close(AVCodecContext *avctx) |
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| 82 | { |
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| 83 | av_freep(&avctx->coded_frame); |
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| 84 | |||
| 85 | return 0; |
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| 86 | } |
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| 87 | |||
| 88 | #if CONFIG_R210_ENCODER |
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| 89 | AVCodec ff_r210_encoder = { |
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| 90 | .name = "r210", |
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| 91 | .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"), |
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| 92 | .type = AVMEDIA_TYPE_VIDEO, |
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| 93 | .id = AV_CODEC_ID_R210, |
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| 94 | .init = encode_init, |
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| 95 | .encode2 = encode_frame, |
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| 96 | .close = encode_close, |
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| 97 | .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE }, |
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| 98 | }; |
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| 99 | #endif |
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| 100 | #if CONFIG_R10K_ENCODER |
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| 101 | AVCodec ff_r10k_encoder = { |
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| 102 | .name = "r10k", |
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| 103 | .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"), |
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| 104 | .type = AVMEDIA_TYPE_VIDEO, |
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| 105 | .id = AV_CODEC_ID_R10K, |
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| 106 | .init = encode_init, |
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| 107 | .encode2 = encode_frame, |
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| 108 | .close = encode_close, |
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| 109 | .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE }, |
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| 110 | }; |
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| 111 | #endif |
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| 112 | #if CONFIG_AVRP_ENCODER |
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| 113 | AVCodec ff_avrp_encoder = { |
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| 114 | .name = "avrp", |
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| 115 | .long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"), |
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| 116 | .type = AVMEDIA_TYPE_VIDEO, |
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| 117 | .id = AV_CODEC_ID_AVRP, |
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| 118 | .init = encode_init, |
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| 119 | .encode2 = encode_frame, |
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| 120 | .close = encode_close, |
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| 121 | .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE }, |
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| 122 | }; |
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| 123 | #endif |