diff options
Diffstat (limited to 'ffmpeg/libavcodec/pamenc.c')
| -rw-r--r-- | ffmpeg/libavcodec/pamenc.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/ffmpeg/libavcodec/pamenc.c b/ffmpeg/libavcodec/pamenc.c deleted file mode 100644 index 64ab2b5..0000000 --- a/ffmpeg/libavcodec/pamenc.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * PAM image format - * Copyright (c) 2002, 2003 Fabrice Bellard - * - * 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" - -static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt, - const AVFrame *p, int *got_packet) -{ - uint8_t *bytestream_start, *bytestream, *bytestream_end; - int i, h, w, n, linesize, depth, maxval, ret; - const char *tuple_type; - uint8_t *ptr; - - h = avctx->height; - w = avctx->width; - switch (avctx->pix_fmt) { - case AV_PIX_FMT_MONOBLACK: - n = w; - depth = 1; - maxval = 1; - tuple_type = "BLACKANDWHITE"; - break; - case AV_PIX_FMT_GRAY8: - n = w; - depth = 1; - maxval = 255; - tuple_type = "GRAYSCALE"; - break; - case AV_PIX_FMT_GRAY16BE: - n = w * 2; - depth = 1; - maxval = 0xFFFF; - tuple_type = "GRAYSCALE"; - break; - case AV_PIX_FMT_GRAY8A: - n = w * 2; - depth = 2; - maxval = 255; - tuple_type = "GRAYSCALE_ALPHA"; - break; - case AV_PIX_FMT_RGB24: - n = w * 3; - depth = 3; - maxval = 255; - tuple_type = "RGB"; - break; - case AV_PIX_FMT_RGBA: - n = w * 4; - depth = 4; - maxval = 255; - tuple_type = "RGB_ALPHA"; - break; - case AV_PIX_FMT_RGB48BE: - n = w * 6; - depth = 3; - maxval = 0xFFFF; - tuple_type = "RGB"; - break; - case AV_PIX_FMT_RGBA64BE: - n = w * 8; - depth = 4; - maxval = 0xFFFF; - tuple_type = "RGB_ALPHA"; - break; - default: - return -1; - } - - if ((ret = ff_alloc_packet2(avctx, pkt, n*h + 200)) < 0) - return ret; - - bytestream_start = - bytestream = pkt->data; - bytestream_end = pkt->data + pkt->size; - - snprintf(bytestream, bytestream_end - bytestream, - "P7\nWIDTH %d\nHEIGHT %d\nDEPTH %d\nMAXVAL %d\nTUPLTYPE %s\nENDHDR\n", - w, h, depth, maxval, tuple_type); - bytestream += strlen(bytestream); - - ptr = p->data[0]; - linesize = p->linesize[0]; - - if (avctx->pix_fmt == AV_PIX_FMT_MONOBLACK){ - int j; - for (i = 0; i < h; i++) { - for (j = 0; j < w; j++) - *bytestream++ = ptr[j >> 3] >> (7 - j & 7) & 1; - ptr += linesize; - } - } else { - for (i = 0; i < h; i++) { - memcpy(bytestream, ptr, n); - bytestream += n; - ptr += linesize; - } - } - - pkt->size = bytestream - bytestream_start; - pkt->flags |= AV_PKT_FLAG_KEY; - *got_packet = 1; - return 0; -} - -static av_cold int pam_encode_init(AVCodecContext *avctx) -{ - avctx->coded_frame = av_frame_alloc(); - if (!avctx->coded_frame) - return AVERROR(ENOMEM); - - avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; - avctx->coded_frame->key_frame = 1; - - return 0; -} - -static av_cold int pam_encode_close(AVCodecContext *avctx) -{ - av_frame_free(&avctx->coded_frame); - return 0; -} - -AVCodec ff_pam_encoder = { - .name = "pam", - .long_name = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_PAM, - .init = pam_encode_init, - .close = pam_encode_close, - .encode2 = pam_encode_frame, - .pix_fmts = (const enum AVPixelFormat[]){ - AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA, AV_PIX_FMT_RGB48BE, AV_PIX_FMT_RGBA64BE, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY8A, AV_PIX_FMT_GRAY16BE, AV_PIX_FMT_MONOBLACK, AV_PIX_FMT_NONE - }, -}; |