0,0 → 1,123 |
/* |
* R210 encoder |
* |
* Copyright (c) 2012 Paul B Mahol |
* |
* This file is part of FFmpeg. |
* |
* FFmpeg is free software; you can redistribute it and/or |
* modify it under the terms of the GNU Lesser General Public |
* License as published by the Free Software Foundation; either |
* version 2.1 of the License, or (at your option) any later version. |
* |
* FFmpeg is distributed in the hope that it will be useful, |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
* Lesser General Public License for more details. |
* |
* You should have received a copy of the GNU Lesser General Public |
* License along with FFmpeg; if not, write to the Free Software |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
*/ |
|
#include "avcodec.h" |
#include "internal.h" |
#include "bytestream.h" |
|
static av_cold int encode_init(AVCodecContext *avctx) |
{ |
avctx->coded_frame = avcodec_alloc_frame(); |
|
if (!avctx->coded_frame) |
return AVERROR(ENOMEM); |
|
return 0; |
} |
|
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
const AVFrame *pic, int *got_packet) |
{ |
int i, j, ret; |
int aligned_width = FFALIGN(avctx->width, |
avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64); |
int pad = (aligned_width - avctx->width) * 4; |
uint8_t *src_line; |
uint8_t *dst; |
|
if ((ret = ff_alloc_packet2(avctx, pkt, 4 * aligned_width * avctx->height)) < 0) |
return ret; |
|
avctx->coded_frame->key_frame = 1; |
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; |
src_line = pic->data[0]; |
dst = pkt->data; |
|
for (i = 0; i < avctx->height; i++) { |
uint16_t *src = (uint16_t *)src_line; |
for (j = 0; j < avctx->width; j++) { |
uint32_t pixel; |
uint16_t r = *src++ >> 6; |
uint16_t g = *src++ >> 6; |
uint16_t b = *src++ >> 4; |
if (avctx->codec_id == AV_CODEC_ID_R210) |
pixel = (r << 20) | (g << 10) | b >> 2; |
else |
pixel = (r << 22) | (g << 12) | b; |
if (avctx->codec_id == AV_CODEC_ID_AVRP) |
bytestream_put_le32(&dst, pixel); |
else |
bytestream_put_be32(&dst, pixel); |
} |
memset(dst, 0, pad); |
dst += pad; |
src_line += pic->linesize[0]; |
} |
|
pkt->flags |= AV_PKT_FLAG_KEY; |
*got_packet = 1; |
return 0; |
} |
|
static av_cold int encode_close(AVCodecContext *avctx) |
{ |
av_freep(&avctx->coded_frame); |
|
return 0; |
} |
|
#if CONFIG_R210_ENCODER |
AVCodec ff_r210_encoder = { |
.name = "r210", |
.long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"), |
.type = AVMEDIA_TYPE_VIDEO, |
.id = AV_CODEC_ID_R210, |
.init = encode_init, |
.encode2 = encode_frame, |
.close = encode_close, |
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE }, |
}; |
#endif |
#if CONFIG_R10K_ENCODER |
AVCodec ff_r10k_encoder = { |
.name = "r10k", |
.long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"), |
.type = AVMEDIA_TYPE_VIDEO, |
.id = AV_CODEC_ID_R10K, |
.init = encode_init, |
.encode2 = encode_frame, |
.close = encode_close, |
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE }, |
}; |
#endif |
#if CONFIG_AVRP_ENCODER |
AVCodec ff_avrp_encoder = { |
.name = "avrp", |
.long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"), |
.type = AVMEDIA_TYPE_VIDEO, |
.id = AV_CODEC_ID_AVRP, |
.init = encode_init, |
.encode2 = encode_frame, |
.close = encode_close, |
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE }, |
}; |
#endif |