| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Raw Video Encoder | ||
| 3 | * Copyright (c) 2001 Fabrice Bellard | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | /** | ||
| 23 | * @file | ||
| 24 | * Raw Video Encoder | ||
| 25 | */ | ||
| 26 | |||
| 27 | #include "avcodec.h" | ||
| 28 | #include "codec_internal.h" | ||
| 29 | #include "encode.h" | ||
| 30 | #include "raw.h" | ||
| 31 | #include "internal.h" | ||
| 32 | #include "libavutil/pixdesc.h" | ||
| 33 | #include "libavutil/intreadwrite.h" | ||
| 34 | #include "libavutil/imgutils.h" | ||
| 35 | #include "libavutil/internal.h" | ||
| 36 | |||
| 37 | 18578 | static av_cold int raw_encode_init(AVCodecContext *avctx) | |
| 38 | { | ||
| 39 | 18578 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); | |
| 40 | |||
| 41 | 18578 | avctx->bits_per_coded_sample = av_get_bits_per_pixel(desc); | |
| 42 |
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18578 | if(!avctx->codec_tag) |
| 43 | 18578 | avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt); | |
| 44 | 18578 | avctx->bit_rate = ff_guess_coded_bitrate(avctx); | |
| 45 | |||
| 46 | 18578 | return 0; | |
| 47 | } | ||
| 48 | |||
| 49 | 105691 | static int raw_encode(AVCodecContext *avctx, AVPacket *pkt, | |
| 50 | const AVFrame *frame, int *got_packet) | ||
| 51 | { | ||
| 52 | 105691 | int ret = av_image_get_buffer_size(frame->format, | |
| 53 | 105691 | frame->width, frame->height, 1); | |
| 54 | |||
| 55 |
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105691 | if (ret < 0) |
| 56 | ✗ | return ret; | |
| 57 | |||
| 58 |
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105691 | if ((ret = ff_get_encode_buffer(avctx, pkt, ret, 0)) < 0) |
| 59 | ✗ | return ret; | |
| 60 |
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105691 | if ((ret = av_image_copy_to_buffer(pkt->data, pkt->size, |
| 61 | 105691 | (const uint8_t **)frame->data, frame->linesize, | |
| 62 | 105691 | frame->format, | |
| 63 | 105691 | frame->width, frame->height, 1)) < 0) | |
| 64 | ✗ | return ret; | |
| 65 | |||
| 66 |
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105691 | if(avctx->codec_tag == AV_RL32("yuv2") && ret > 0 && |
| 67 | ✗ | frame->format == AV_PIX_FMT_YUYV422) { | |
| 68 | int x; | ||
| 69 | ✗ | for(x = 1; x < frame->height*frame->width*2; x += 2) | |
| 70 | ✗ | pkt->data[x] ^= 0x80; | |
| 71 |
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105691 | } else if (avctx->codec_tag == AV_RL32("b64a") && ret > 0 && |
| 72 | ✗ | frame->format == AV_PIX_FMT_RGBA64BE) { | |
| 73 | uint64_t v; | ||
| 74 | int x; | ||
| 75 | ✗ | for (x = 0; x < frame->height * frame->width; x++) { | |
| 76 | ✗ | v = AV_RB64(&pkt->data[8 * x]); | |
| 77 | ✗ | AV_WB64(&pkt->data[8 * x], v << 48 | v >> 16); | |
| 78 | } | ||
| 79 | } | ||
| 80 | 105691 | *got_packet = 1; | |
| 81 | 105691 | return 0; | |
| 82 | } | ||
| 83 | |||
| 84 | const FFCodec ff_rawvideo_encoder = { | ||
| 85 | .p.name = "rawvideo", | ||
| 86 | CODEC_LONG_NAME("raw video"), | ||
| 87 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 88 | .p.id = AV_CODEC_ID_RAWVIDEO, | ||
| 89 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS | | ||
| 90 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, | ||
| 91 | .init = raw_encode_init, | ||
| 92 | FF_CODEC_ENCODE_CB(raw_encode), | ||
| 93 | }; | ||
| 94 |