| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or modify | ||
| 5 | * it under the terms of the GNU General Public License as published by | ||
| 6 | * the Free Software Foundation; either version 2 of the License, or | ||
| 7 | * (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 | ||
| 12 | * GNU General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU General Public License along | ||
| 15 | * with FFmpeg; if not, write to the Free Software Foundation, Inc., | ||
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 17 | */ | ||
| 18 | |||
| 19 | #ifndef AVFILTER_QP_TABLE_H | ||
| 20 | #define AVFILTER_QP_TABLE_H | ||
| 21 | |||
| 22 | #include <stdint.h> | ||
| 23 | |||
| 24 | #include "libavutil/frame.h" | ||
| 25 | #include "libavutil/video_enc_params.h" | ||
| 26 | |||
| 27 | /** | ||
| 28 | * Extract a libpostproc-compatible QP table - an 8-bit QP value per 16x16 | ||
| 29 | * macroblock, stored in raster order - from AVVideoEncParams side data. | ||
| 30 | */ | ||
| 31 | int ff_qp_table_extract(AVFrame *frame, int8_t **table, int *table_w, int *table_h, | ||
| 32 | enum AVVideoEncParamsType *qscale_type); | ||
| 33 | |||
| 34 | /** | ||
| 35 | * Normalize the qscale factor | ||
| 36 | * FIXME Add support for other values of enum AVVideoEncParamsType | ||
| 37 | * besides AV_VIDEO_ENC_PARAMS_MPEG2. | ||
| 38 | */ | ||
| 39 | 120430 | static inline int ff_norm_qscale(int qscale, enum AVVideoEncParamsType type) | |
| 40 | { | ||
| 41 |
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120430 | switch (type) { |
| 42 | 120430 | case AV_VIDEO_ENC_PARAMS_MPEG2: return qscale >> 1; | |
| 43 | } | ||
| 44 | ✗ | return qscale; | |
| 45 | } | ||
| 46 | |||
| 47 | #endif // AVFILTER_QP_TABLE_H | ||
| 48 |