| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * v410 encoder | ||
| 3 | * | ||
| 4 | * Copyright (c) 2011 Derek Buitenhuis | ||
| 5 | * | ||
| 6 | * This file is part of FFmpeg. | ||
| 7 | * | ||
| 8 | * FFmpeg is free software; you can redistribute it and/or | ||
| 9 | * modify it under the terms of the GNU Lesser General Public | ||
| 10 | * License as published by the Free Software Foundation; either | ||
| 11 | * version 2.1 of the License, or (at your option) any later version. | ||
| 12 | * | ||
| 13 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 16 | * Lesser General Public License for more details. | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU Lesser General Public | ||
| 19 | * License along with FFmpeg; if not, write to the Free Software | ||
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 21 | */ | ||
| 22 | |||
| 23 | #include "libavutil/common.h" | ||
| 24 | #include "libavutil/intreadwrite.h" | ||
| 25 | #include "avcodec.h" | ||
| 26 | #include "codec_internal.h" | ||
| 27 | #include "encode.h" | ||
| 28 | #include "internal.h" | ||
| 29 | |||
| 30 | 1 | static av_cold int v410_encode_init(AVCodecContext *avctx) | |
| 31 | { | ||
| 32 |
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1 | if (avctx->width & 1) { |
| 33 | ✗ | av_log(avctx, AV_LOG_ERROR, "v410 requires width to be even.\n"); | |
| 34 | ✗ | return AVERROR_INVALIDDATA; | |
| 35 | } | ||
| 36 | |||
| 37 | 1 | avctx->bits_per_coded_sample = 32; | |
| 38 | 1 | avctx->bit_rate = ff_guess_coded_bitrate(avctx); | |
| 39 | |||
| 40 | 1 | return 0; | |
| 41 | } | ||
| 42 | |||
| 43 | 50 | static int v410_encode_frame(AVCodecContext *avctx, AVPacket *pkt, | |
| 44 | const AVFrame *pic, int *got_packet) | ||
| 45 | { | ||
| 46 | uint8_t *dst; | ||
| 47 | const uint16_t *y, *u, *v; | ||
| 48 | uint32_t val; | ||
| 49 | int i, j, ret; | ||
| 50 | |||
| 51 | 50 | ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 4, 0); | |
| 52 |
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50 | if (ret < 0) |
| 53 | ✗ | return ret; | |
| 54 | 50 | dst = pkt->data; | |
| 55 | |||
| 56 | 50 | y = (uint16_t *)pic->data[0]; | |
| 57 | 50 | u = (uint16_t *)pic->data[1]; | |
| 58 | 50 | v = (uint16_t *)pic->data[2]; | |
| 59 | |||
| 60 |
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14450 | for (i = 0; i < avctx->height; i++) { |
| 61 |
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5083200 | for (j = 0; j < avctx->width; j++) { |
| 62 | 5068800 | val = u[j] << 2; | |
| 63 | 5068800 | val |= y[j] << 12; | |
| 64 | 5068800 | val |= (uint32_t) v[j] << 22; | |
| 65 | 5068800 | AV_WL32(dst, val); | |
| 66 | 5068800 | dst += 4; | |
| 67 | } | ||
| 68 | 14400 | y += pic->linesize[0] >> 1; | |
| 69 | 14400 | u += pic->linesize[1] >> 1; | |
| 70 | 14400 | v += pic->linesize[2] >> 1; | |
| 71 | } | ||
| 72 | |||
| 73 | 50 | *got_packet = 1; | |
| 74 | 50 | return 0; | |
| 75 | } | ||
| 76 | |||
| 77 | const FFCodec ff_v410_encoder = { | ||
| 78 | .p.name = "v410", | ||
| 79 | CODEC_LONG_NAME("Uncompressed 4:4:4 10-bit"), | ||
| 80 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 81 | .p.id = AV_CODEC_ID_V410, | ||
| 82 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, | ||
| 83 | .init = v410_encode_init, | ||
| 84 | FF_CODEC_ENCODE_CB(v410_encode_frame), | ||
| 85 | .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NONE }, | ||
| 86 | }; | ||
| 87 |