diff options
| author | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
| commit | 741fb4b9e135cfb161a749db88713229038577bb (patch) | |
| tree | 08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/libavcodec/pnmenc.c | |
| parent | a2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff) | |
making act segmenter
Diffstat (limited to 'ffmpeg1/libavcodec/pnmenc.c')
| -rw-r--r-- | ffmpeg1/libavcodec/pnmenc.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/ffmpeg1/libavcodec/pnmenc.c b/ffmpeg1/libavcodec/pnmenc.c deleted file mode 100644 index 8cd96be..0000000 --- a/ffmpeg1/libavcodec/pnmenc.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * PNM 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 "libavutil/pixdesc.h" -#include "avcodec.h" -#include "internal.h" -#include "pnm.h" - - -static int pnm_encode_frame(AVCodecContext *avctx, AVPacket *pkt, - const AVFrame *pict, int *got_packet) -{ - PNMContext *s = avctx->priv_data; - AVFrame * const p = &s->picture; - int i, h, h1, c, n, linesize, ret; - uint8_t *ptr, *ptr1, *ptr2; - - if ((ret = ff_alloc_packet2(avctx, pkt, avpicture_get_size(avctx->pix_fmt, - avctx->width, - avctx->height) + 200)) < 0) - return ret; - - *p = *pict; - p->pict_type = AV_PICTURE_TYPE_I; - p->key_frame = 1; - - s->bytestream_start = - s->bytestream = pkt->data; - s->bytestream_end = pkt->data + pkt->size; - - h = avctx->height; - h1 = h; - switch (avctx->pix_fmt) { - case AV_PIX_FMT_MONOWHITE: - c = '4'; - n = (avctx->width + 7) >> 3; - break; - case AV_PIX_FMT_GRAY8: - c = '5'; - n = avctx->width; - break; - case AV_PIX_FMT_GRAY16BE: - c = '5'; - n = avctx->width * 2; - break; - case AV_PIX_FMT_RGB24: - c = '6'; - n = avctx->width * 3; - break; - case AV_PIX_FMT_RGB48BE: - c = '6'; - n = avctx->width * 6; - break; - case AV_PIX_FMT_YUV420P: - if (avctx->width & 1 || avctx->height & 1) { - av_log(avctx, AV_LOG_ERROR, "pgmyuv needs even width and height\n"); - return AVERROR(EINVAL); - } - c = '5'; - n = avctx->width; - h1 = (h * 3) / 2; - break; - case AV_PIX_FMT_YUV420P16BE: - c = '5'; - n = avctx->width * 2; - h1 = (h * 3) / 2; - break; - default: - return -1; - } - snprintf(s->bytestream, s->bytestream_end - s->bytestream, - "P%c\n%d %d\n", c, avctx->width, h1); - s->bytestream += strlen(s->bytestream); - if (avctx->pix_fmt != AV_PIX_FMT_MONOWHITE) { - int maxdepth = (1 << (av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth_minus1 + 1)) - 1; - snprintf(s->bytestream, s->bytestream_end - s->bytestream, - "%d\n", maxdepth); - s->bytestream += strlen(s->bytestream); - } - - ptr = p->data[0]; - linesize = p->linesize[0]; - for (i = 0; i < h; i++) { - memcpy(s->bytestream, ptr, n); - s->bytestream += n; - ptr += linesize; - } - - if (avctx->pix_fmt == AV_PIX_FMT_YUV420P || avctx->pix_fmt == AV_PIX_FMT_YUV420P16BE) { - h >>= 1; - n >>= 1; - ptr1 = p->data[1]; - ptr2 = p->data[2]; - for (i = 0; i < h; i++) { - memcpy(s->bytestream, ptr1, n); - s->bytestream += n; - memcpy(s->bytestream, ptr2, n); - s->bytestream += n; - ptr1 += p->linesize[1]; - ptr2 += p->linesize[2]; - } - } - pkt->size = s->bytestream - s->bytestream_start; - pkt->flags |= AV_PKT_FLAG_KEY; - *got_packet = 1; - - return 0; -} - - -#if CONFIG_PGM_ENCODER -AVCodec ff_pgm_encoder = { - .name = "pgm", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_PGM, - .priv_data_size = sizeof(PNMContext), - .init = ff_pnm_init, - .encode2 = pnm_encode_frame, - .pix_fmts = (const enum AVPixelFormat[]){ - AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16BE, AV_PIX_FMT_NONE - }, - .long_name = NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"), -}; -#endif - -#if CONFIG_PGMYUV_ENCODER -AVCodec ff_pgmyuv_encoder = { - .name = "pgmyuv", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_PGMYUV, - .priv_data_size = sizeof(PNMContext), - .init = ff_pnm_init, - .encode2 = pnm_encode_frame, - .pix_fmts = (const enum AVPixelFormat[]){ - AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P16BE, AV_PIX_FMT_NONE - }, - .long_name = NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"), -}; -#endif - -#if CONFIG_PPM_ENCODER -AVCodec ff_ppm_encoder = { - .name = "ppm", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_PPM, - .priv_data_size = sizeof(PNMContext), - .init = ff_pnm_init, - .encode2 = pnm_encode_frame, - .pix_fmts = (const enum AVPixelFormat[]){ - AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB48BE, AV_PIX_FMT_NONE - }, - .long_name = NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"), -}; -#endif - -#if CONFIG_PBM_ENCODER -AVCodec ff_pbm_encoder = { - .name = "pbm", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_PBM, - .priv_data_size = sizeof(PNMContext), - .init = ff_pnm_init, - .encode2 = pnm_encode_frame, - .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_MONOWHITE, - AV_PIX_FMT_NONE }, - .long_name = NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"), -}; -#endif |
