4 * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include "bytestream.h"
29 #define CLIP(v) av_clip(v, 4, 1019)
30 #define CLIP8(v) av_clip(v, 1, 254)
32 #define WRITE_PIXELS(a, b, c) \
35 val |= (CLIP(*b++) << 10) | \
41 #define WRITE_PIXELS8(a, b, c) \
43 val = (CLIP8(*a++) << 2); \
44 val |= (CLIP8(*b++) << 12) | \
45 (CLIP8(*c++) << 22); \
50 static void v210_planar_pack_8_c(const uint8_t *y, const uint8_t *u,
51 const uint8_t *v, uint8_t *dst,
57 /* unroll this to match the assembly */
58 for (i = 0; i < width - 11; i += 12) {
59 WRITE_PIXELS8(u, y, v);
60 WRITE_PIXELS8(y, u, y);
61 WRITE_PIXELS8(v, y, u);
62 WRITE_PIXELS8(y, v, y);
63 WRITE_PIXELS8(u, y, v);
64 WRITE_PIXELS8(y, u, y);
65 WRITE_PIXELS8(v, y, u);
66 WRITE_PIXELS8(y, v, y);
70 static void v210_planar_pack_10_c(const uint16_t *y, const uint16_t *u,
71 const uint16_t *v, uint8_t *dst,
77 for (i = 0; i < width - 5; i += 6) {
78 WRITE_PIXELS(u, y, v);
79 WRITE_PIXELS(y, u, y);
80 WRITE_PIXELS(v, y, u);
81 WRITE_PIXELS(y, v, y);
85 av_cold void ff_v210enc_init(V210EncContext *s)
87 s->pack_line_8 = v210_planar_pack_8_c;
88 s->pack_line_10 = v210_planar_pack_10_c;
91 ff_v210enc_init_x86(s);
94 static av_cold int encode_init(AVCodecContext *avctx)
96 V210EncContext *s = avctx->priv_data;
98 if (avctx->width & 1) {
99 av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
100 return AVERROR(EINVAL);
103 #if FF_API_CODED_FRAME
104 FF_DISABLE_DEPRECATION_WARNINGS
105 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
106 FF_ENABLE_DEPRECATION_WARNINGS
114 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
115 const AVFrame *pic, int *got_packet)
117 V210EncContext *s = avctx->priv_data;
118 int aligned_width = ((avctx->width + 47) / 48) * 48;
119 int stride = aligned_width * 8 / 3;
120 int line_padding = stride - ((avctx->width * 8 + 11) / 12) * 4;
124 ret = ff_alloc_packet2(avctx, pkt, avctx->height * stride, avctx->height * stride);
126 av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
131 if (pic->format == AV_PIX_FMT_YUV422P10) {
132 const uint16_t *y = (const uint16_t *)pic->data[0];
133 const uint16_t *u = (const uint16_t *)pic->data[1];
134 const uint16_t *v = (const uint16_t *)pic->data[2];
135 for (h = 0; h < avctx->height; h++) {
137 w = (avctx->width / 6) * 6;
138 s->pack_line_10(y, u, v, dst, w);
144 if (w < avctx->width - 1) {
145 WRITE_PIXELS(u, y, v);
148 if (w == avctx->width - 2) {
153 if (w < avctx->width - 3) {
154 val |= (CLIP(*u++) << 10) | (CLIP(*y++) << 20);
158 val = CLIP(*v++) | (CLIP(*y++) << 10);
163 memset(dst, 0, line_padding);
165 y += pic->linesize[0] / 2 - avctx->width;
166 u += pic->linesize[1] / 2 - avctx->width / 2;
167 v += pic->linesize[2] / 2 - avctx->width / 2;
169 } else if(pic->format == AV_PIX_FMT_YUV422P) {
170 const uint8_t *y = pic->data[0];
171 const uint8_t *u = pic->data[1];
172 const uint8_t *v = pic->data[2];
173 for (h = 0; h < avctx->height; h++) {
175 w = (avctx->width / 12) * 12;
176 s->pack_line_8(y, u, v, dst, w);
181 dst += (w / 12) * 32;
183 for (; w < avctx->width - 5; w += 6) {
184 WRITE_PIXELS8(u, y, v);
185 WRITE_PIXELS8(y, u, y);
186 WRITE_PIXELS8(v, y, u);
187 WRITE_PIXELS8(y, v, y);
189 if (w < avctx->width - 1) {
190 WRITE_PIXELS8(u, y, v);
192 val = CLIP8(*y++) << 2;
193 if (w == avctx->width - 2) {
198 if (w < avctx->width - 3) {
199 val |= (CLIP8(*u++) << 12) | (CLIP8(*y++) << 22);
203 val = (CLIP8(*v++) << 2) | (CLIP8(*y++) << 12);
207 memset(dst, 0, line_padding);
210 y += pic->linesize[0] - avctx->width;
211 u += pic->linesize[1] - avctx->width / 2;
212 v += pic->linesize[2] - avctx->width / 2;
216 pkt->flags |= AV_PKT_FLAG_KEY;
221 AVCodec ff_v210_encoder = {
223 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"),
224 .type = AVMEDIA_TYPE_VIDEO,
225 .id = AV_CODEC_ID_V210,
226 .priv_data_size = sizeof(V210EncContext),
228 .encode2 = encode_frame,
229 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },