3 * Copyright (c) 2002, 2003 Fabrice Bellard
5 * This file is part of FFmpeg.
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.
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.
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
22 #include "libavutil/pixdesc.h"
28 static int pnm_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
29 const AVFrame *p, int *got_packet)
31 PNMContext *s = avctx->priv_data;
32 int i, h, h1, c, n, linesize, ret;
33 uint8_t *ptr, *ptr1, *ptr2;
35 if ((ret = ff_alloc_packet2(avctx, pkt, avpicture_get_size(avctx->pix_fmt,
37 avctx->height) + 200)) < 0)
41 s->bytestream = pkt->data;
42 s->bytestream_end = pkt->data + pkt->size;
46 switch (avctx->pix_fmt) {
47 case AV_PIX_FMT_MONOWHITE:
49 n = (avctx->width + 7) >> 3;
51 case AV_PIX_FMT_GRAY8:
55 case AV_PIX_FMT_GRAY16BE:
59 case AV_PIX_FMT_RGB24:
63 case AV_PIX_FMT_RGB48BE:
67 case AV_PIX_FMT_YUV420P:
68 if (avctx->width & 1 || avctx->height & 1) {
69 av_log(avctx, AV_LOG_ERROR, "pgmyuv needs even width and height\n");
70 return AVERROR(EINVAL);
76 case AV_PIX_FMT_YUV420P16BE:
84 snprintf(s->bytestream, s->bytestream_end - s->bytestream,
85 "P%c\n%d %d\n", c, avctx->width, h1);
86 s->bytestream += strlen(s->bytestream);
87 if (avctx->pix_fmt != AV_PIX_FMT_MONOWHITE) {
88 int maxdepth = (1 << (av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth_minus1 + 1)) - 1;
89 snprintf(s->bytestream, s->bytestream_end - s->bytestream,
91 s->bytestream += strlen(s->bytestream);
95 linesize = p->linesize[0];
96 for (i = 0; i < h; i++) {
97 memcpy(s->bytestream, ptr, n);
102 if (avctx->pix_fmt == AV_PIX_FMT_YUV420P || avctx->pix_fmt == AV_PIX_FMT_YUV420P16BE) {
107 for (i = 0; i < h; i++) {
108 memcpy(s->bytestream, ptr1, n);
110 memcpy(s->bytestream, ptr2, n);
112 ptr1 += p->linesize[1];
113 ptr2 += p->linesize[2];
116 pkt->size = s->bytestream - s->bytestream_start;
117 pkt->flags |= AV_PKT_FLAG_KEY;
124 #if CONFIG_PGM_ENCODER
125 AVCodec ff_pgm_encoder = {
127 .type = AVMEDIA_TYPE_VIDEO,
128 .id = AV_CODEC_ID_PGM,
129 .priv_data_size = sizeof(PNMContext),
130 .encode2 = pnm_encode_frame,
131 .pix_fmts = (const enum AVPixelFormat[]){
132 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16BE, AV_PIX_FMT_NONE
134 .long_name = NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"),
138 #if CONFIG_PGMYUV_ENCODER
139 AVCodec ff_pgmyuv_encoder = {
141 .type = AVMEDIA_TYPE_VIDEO,
142 .id = AV_CODEC_ID_PGMYUV,
143 .priv_data_size = sizeof(PNMContext),
144 .encode2 = pnm_encode_frame,
145 .pix_fmts = (const enum AVPixelFormat[]){
146 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P16BE, AV_PIX_FMT_NONE
148 .long_name = NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"),
152 #if CONFIG_PPM_ENCODER
153 AVCodec ff_ppm_encoder = {
155 .type = AVMEDIA_TYPE_VIDEO,
156 .id = AV_CODEC_ID_PPM,
157 .priv_data_size = sizeof(PNMContext),
158 .encode2 = pnm_encode_frame,
159 .pix_fmts = (const enum AVPixelFormat[]){
160 AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB48BE, AV_PIX_FMT_NONE
162 .long_name = NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"),
166 #if CONFIG_PBM_ENCODER
167 AVCodec ff_pbm_encoder = {
169 .type = AVMEDIA_TYPE_VIDEO,
170 .id = AV_CODEC_ID_PBM,
171 .priv_data_size = sizeof(PNMContext),
172 .encode2 = pnm_encode_frame,
173 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_MONOWHITE,
175 .long_name = NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"),