| Directory: | ../../../ffmpeg/ |
|---|---|
| File: | src/libavcodec/v408enc.c |
| Date: | 2021-09-24 20:55:06 |
| Exec | Total | Coverage | |
|---|---|---|---|
| Lines: | 26 | 31 | 83.9% |
| Branches: | 6 | 8 | 75.0% |
| Line | Branch | Exec | Source |
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| 1 | /* | ||
| 2 | * v408 encoder | ||
| 3 | * | ||
| 4 | * Copyright (c) 2012 Carl Eugen Hoyos | ||
| 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/intreadwrite.h" | ||
| 24 | #include "avcodec.h" | ||
| 25 | #include "encode.h" | ||
| 26 | #include "internal.h" | ||
| 27 | |||
| 28 | 4 | static av_cold int v408_encode_init(AVCodecContext *avctx) | |
| 29 | { | ||
| 30 | 4 | avctx->bits_per_coded_sample = 32; | |
| 31 | 4 | avctx->bit_rate = ff_guess_coded_bitrate(avctx); | |
| 32 | |||
| 33 | 4 | return 0; | |
| 34 | } | ||
| 35 | |||
| 36 | 200 | static int v408_encode_frame(AVCodecContext *avctx, AVPacket *pkt, | |
| 37 | const AVFrame *pic, int *got_packet) | ||
| 38 | { | ||
| 39 | uint8_t *dst; | ||
| 40 | uint8_t *y, *u, *v, *a; | ||
| 41 | int i, j, ret; | ||
| 42 | |||
| 43 | 200 | ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 4, 0); | |
| 44 |
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200 | if (ret < 0) |
| 45 | ✗ | return ret; | |
| 46 | 200 | dst = pkt->data; | |
| 47 | |||
| 48 | 200 | y = pic->data[0]; | |
| 49 | 200 | u = pic->data[1]; | |
| 50 | 200 | v = pic->data[2]; | |
| 51 | 200 | a = pic->data[3]; | |
| 52 | |||
| 53 |
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45100 | for (i = 0; i < avctx->height; i++) { |
| 54 |
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15309100 | for (j = 0; j < avctx->width; j++) { |
| 55 |
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15264200 | if (avctx->codec_id==AV_CODEC_ID_AYUV) { |
| 56 | ✗ | *dst++ = v[j]; | |
| 57 | ✗ | *dst++ = u[j]; | |
| 58 | ✗ | *dst++ = y[j]; | |
| 59 | ✗ | *dst++ = a[j]; | |
| 60 | } else { | ||
| 61 | 15264200 | *dst++ = u[j]; | |
| 62 | 15264200 | *dst++ = y[j]; | |
| 63 | 15264200 | *dst++ = v[j]; | |
| 64 | 15264200 | *dst++ = a[j]; | |
| 65 | } | ||
| 66 | } | ||
| 67 | 44900 | y += pic->linesize[0]; | |
| 68 | 44900 | u += pic->linesize[1]; | |
| 69 | 44900 | v += pic->linesize[2]; | |
| 70 | 44900 | a += pic->linesize[3]; | |
| 71 | } | ||
| 72 | |||
| 73 | 200 | pkt->flags |= AV_PKT_FLAG_KEY; | |
| 74 | 200 | *got_packet = 1; | |
| 75 | 200 | return 0; | |
| 76 | } | ||
| 77 | |||
| 78 | static const enum AVPixelFormat pix_fmt[] = { AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE }; | ||
| 79 | |||
| 80 | #if CONFIG_AYUV_ENCODER | ||
| 81 | const AVCodec ff_ayuv_encoder = { | ||
| 82 | .name = "ayuv", | ||
| 83 | .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"), | ||
| 84 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 85 | .id = AV_CODEC_ID_AYUV, | ||
| 86 | .capabilities = AV_CODEC_CAP_DR1, | ||
| 87 | .init = v408_encode_init, | ||
| 88 | .encode2 = v408_encode_frame, | ||
| 89 | .pix_fmts = pix_fmt, | ||
| 90 | .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, | ||
| 91 | }; | ||
| 92 | #endif | ||
| 93 | #if CONFIG_V408_ENCODER | ||
| 94 | const AVCodec ff_v408_encoder = { | ||
| 95 | .name = "v408", | ||
| 96 | .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"), | ||
| 97 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 98 | .id = AV_CODEC_ID_V408, | ||
| 99 | .capabilities = AV_CODEC_CAP_DR1, | ||
| 100 | .init = v408_encode_init, | ||
| 101 | .encode2 = v408_encode_frame, | ||
| 102 | .pix_fmts = pix_fmt, | ||
| 103 | .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, | ||
| 104 | }; | ||
| 105 | #endif | ||
| 106 |