| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include "libavutil/imgutils.h" | ||
| 20 | #include "lswsutils.h" | ||
| 21 | |||
| 22 | ✗ | int ff_scale_image(uint8_t *dst_data[4], int dst_linesize[4], | |
| 23 | int dst_w, int dst_h, enum AVPixelFormat dst_pix_fmt, | ||
| 24 | uint8_t * const src_data[4], int src_linesize[4], | ||
| 25 | int src_w, int src_h, enum AVPixelFormat src_pix_fmt, | ||
| 26 | void *log_ctx) | ||
| 27 | { | ||
| 28 | int ret; | ||
| 29 | ✗ | struct SwsContext *sws_ctx = sws_getContext(src_w, src_h, src_pix_fmt, | |
| 30 | dst_w, dst_h, dst_pix_fmt, | ||
| 31 | 0, NULL, NULL, NULL); | ||
| 32 | ✗ | if (!sws_ctx) { | |
| 33 | ✗ | av_log(log_ctx, AV_LOG_ERROR, | |
| 34 | "Impossible to create scale context for the conversion " | ||
| 35 | "fmt:%s s:%dx%d -> fmt:%s s:%dx%d\n", | ||
| 36 | av_get_pix_fmt_name(src_pix_fmt), src_w, src_h, | ||
| 37 | av_get_pix_fmt_name(dst_pix_fmt), dst_w, dst_h); | ||
| 38 | ✗ | ret = AVERROR(EINVAL); | |
| 39 | ✗ | goto end; | |
| 40 | } | ||
| 41 | |||
| 42 | ✗ | if ((ret = av_image_alloc(dst_data, dst_linesize, dst_w, dst_h, dst_pix_fmt, 16)) < 0) | |
| 43 | ✗ | goto end; | |
| 44 | ✗ | ret = 0; | |
| 45 | ✗ | sws_scale(sws_ctx, (const uint8_t * const*)src_data, src_linesize, 0, src_h, dst_data, dst_linesize); | |
| 46 | |||
| 47 | ✗ | end: | |
| 48 | ✗ | sws_freeContext(sws_ctx); | |
| 49 | ✗ | return ret; | |
| 50 | } | ||
| 51 |