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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6147 | serge | 1 | /* |
| 2 | * Raw Video Encoder |
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| 3 | * Copyright (c) 2001 Fabrice Bellard |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | /** |
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| 23 | * @file |
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| 24 | * Raw Video Encoder |
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| 25 | */ |
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| 26 | |||
| 27 | #include "avcodec.h" |
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| 28 | #include "raw.h" |
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| 29 | #include "internal.h" |
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| 30 | #include "libavutil/pixdesc.h" |
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| 31 | #include "libavutil/intreadwrite.h" |
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| 32 | #include "libavutil/internal.h" |
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| 33 | |||
| 34 | static av_cold int raw_encode_init(AVCodecContext *avctx) |
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| 35 | { |
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| 36 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); |
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| 37 | |||
| 38 | #if FF_API_CODED_FRAME |
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| 39 | FF_DISABLE_DEPRECATION_WARNINGS |
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| 40 | avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; |
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| 41 | FF_ENABLE_DEPRECATION_WARNINGS |
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| 42 | #endif |
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| 43 | avctx->bits_per_coded_sample = av_get_bits_per_pixel(desc); |
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| 44 | if(!avctx->codec_tag) |
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| 45 | avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt); |
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| 46 | return 0; |
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| 47 | } |
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| 48 | |||
| 49 | static int raw_encode(AVCodecContext *avctx, AVPacket *pkt, |
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| 50 | const AVFrame *frame, int *got_packet) |
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| 51 | { |
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| 52 | int ret = avpicture_get_size(frame->format, frame->width, frame->height); |
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| 53 | |||
| 54 | if (ret < 0) |
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| 55 | return ret; |
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| 56 | |||
| 57 | if ((ret = ff_alloc_packet2(avctx, pkt, ret, ret)) < 0) |
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| 58 | return ret; |
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| 59 | if ((ret = avpicture_layout((const AVPicture *)frame, frame->format, frame->width, |
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| 60 | frame->height, pkt->data, pkt->size)) < 0) |
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| 61 | return ret; |
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| 62 | |||
| 63 | if(avctx->codec_tag == AV_RL32("yuv2") && ret > 0 && |
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| 64 | frame->format == AV_PIX_FMT_YUYV422) { |
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| 65 | int x; |
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| 66 | for(x = 1; x < frame->height*frame->width*2; x += 2) |
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| 67 | pkt->data[x] ^= 0x80; |
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| 68 | } |
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| 69 | pkt->flags |= AV_PKT_FLAG_KEY; |
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| 70 | *got_packet = 1; |
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| 71 | return 0; |
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| 72 | } |
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| 73 | |||
| 74 | AVCodec ff_rawvideo_encoder = { |
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| 75 | .name = "rawvideo", |
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| 76 | .long_name = NULL_IF_CONFIG_SMALL("raw video"), |
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| 77 | .type = AVMEDIA_TYPE_VIDEO, |
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| 78 | .id = AV_CODEC_ID_RAWVIDEO, |
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| 79 | .init = raw_encode_init, |
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| 80 | .encode2 = raw_encode, |
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| 81 | }; |