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/* |
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* Photoshop (PSD) image decoder |
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* Copyright (c) 2016 Jokyo Images |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "bytestream.h" |
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#include "internal.h" |
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enum PsdCompr { |
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PSD_RAW, |
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PSD_RLE, |
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PSD_ZIP_WITHOUT_P, |
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PSD_ZIP_WITH_P, |
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}; |
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enum PsdColorMode { |
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PSD_BITMAP, |
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PSD_GRAYSCALE, |
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PSD_INDEXED, |
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PSD_RGB, |
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PSD_CMYK, |
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PSD_MULTICHANNEL, |
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PSD_DUOTONE, |
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PSD_LAB, |
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}; |
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typedef struct PSDContext { |
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AVClass *class; |
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AVFrame *picture; |
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AVCodecContext *avctx; |
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GetByteContext gb; |
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uint8_t * tmp; |
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uint16_t channel_count; |
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uint16_t channel_depth; |
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uint64_t uncompressed_size; |
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unsigned int pixel_size;/* 1 for 8 bits, 2 for 16 bits */ |
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uint64_t line_size;/* length of src data (even width) */ |
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int width; |
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int height; |
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enum PsdCompr compression; |
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enum PsdColorMode color_mode; |
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uint8_t palette[AVPALETTE_SIZE]; |
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} PSDContext; |
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static int decode_header(PSDContext * s) |
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{ |
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int signature, version, color_mode; |
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int64_t len_section; |
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int ret = 0; |
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✗✓ |
30 |
if (bytestream2_get_bytes_left(&s->gb) < 30) {/* File header section + color map data section length */ |
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av_log(s->avctx, AV_LOG_ERROR, "Header too short to parse.\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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|
30 |
signature = bytestream2_get_le32(&s->gb); |
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✗✓ |
30 |
if (signature != MKTAG('8','B','P','S')) { |
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av_log(s->avctx, AV_LOG_ERROR, "Wrong signature %d.\n", signature); |
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return AVERROR_INVALIDDATA; |
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} |
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version = bytestream2_get_be16(&s->gb); |
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✗✓ |
30 |
if (version != 1) { |
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av_log(s->avctx, AV_LOG_ERROR, "Wrong version %d.\n", version); |
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return AVERROR_INVALIDDATA; |
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} |
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bytestream2_skip(&s->gb, 6);/* reserved */ |
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s->channel_count = bytestream2_get_be16(&s->gb); |
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✓✗✗✓
|
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if ((s->channel_count < 1) || (s->channel_count > 56)) { |
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av_log(s->avctx, AV_LOG_ERROR, "Invalid channel count %d.\n", s->channel_count); |
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return AVERROR_INVALIDDATA; |
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} |
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s->height = bytestream2_get_be32(&s->gb); |
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✗✓✗✗
|
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if ((s->height > 30000) && (s->avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL)) { |
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av_log(s->avctx, AV_LOG_ERROR, |
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"Height > 30000 is experimental, add " |
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"'-strict %d' if you want to try to decode the picture.\n", |
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FF_COMPLIANCE_EXPERIMENTAL); |
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return AVERROR_EXPERIMENTAL; |
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} |
107 |
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s->width = bytestream2_get_be32(&s->gb); |
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✗✓✗✗
|
30 |
if ((s->width > 30000) && (s->avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL)) { |
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av_log(s->avctx, AV_LOG_ERROR, |
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"Width > 30000 is experimental, add " |
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"'-strict %d' if you want to try to decode the picture.\n", |
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FF_COMPLIANCE_EXPERIMENTAL); |
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return AVERROR_EXPERIMENTAL; |
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} |
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✗✓ |
30 |
if ((ret = ff_set_dimensions(s->avctx, s->width, s->height)) < 0) |
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return ret; |
119 |
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s->channel_depth = bytestream2_get_be16(&s->gb); |
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color_mode = bytestream2_get_be16(&s->gb); |
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✓✓✓✓ ✗✗✓✗ ✗ |
30 |
switch (color_mode) { |
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case 0: |
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s->color_mode = PSD_BITMAP; |
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break; |
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case 1: |
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s->color_mode = PSD_GRAYSCALE; |
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break; |
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case 2: |
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s->color_mode = PSD_INDEXED; |
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break; |
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case 3: |
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s->color_mode = PSD_RGB; |
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break; |
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case 4: |
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s->color_mode = PSD_CMYK; |
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break; |
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case 7: |
140 |
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s->color_mode = PSD_MULTICHANNEL; |
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break; |
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2 |
case 8: |
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s->color_mode = PSD_DUOTONE; |
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break; |
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case 9: |
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s->color_mode = PSD_LAB; |
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break; |
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default: |
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av_log(s->avctx, AV_LOG_ERROR, "Unknown color mode %d.\n", color_mode); |
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return AVERROR_INVALIDDATA; |
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} |
152 |
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153 |
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/* color map data */ |
154 |
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len_section = bytestream2_get_be32(&s->gb); |
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✗✓ |
30 |
if (len_section < 0) { |
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av_log(s->avctx, AV_LOG_ERROR, "Negative size for color map data section.\n"); |
157 |
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return AVERROR_INVALIDDATA; |
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} |
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✗✓ |
30 |
if (bytestream2_get_bytes_left(&s->gb) < (len_section + 4)) { /* section and len next section */ |
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av_log(s->avctx, AV_LOG_ERROR, "Incomplete file.\n"); |
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return AVERROR_INVALIDDATA; |
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} |
164 |
✓✓ |
30 |
if (len_section) { |
165 |
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int i,j; |
166 |
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memset(s->palette, 0xff, AVPALETTE_SIZE); |
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✓✓ |
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for (j = HAVE_BIGENDIAN; j < 3 + HAVE_BIGENDIAN; j++) |
168 |
✓✓✓✓
|
2592 |
for (i = 0; i < FFMIN(256, len_section / 3); i++) |
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2580 |
s->palette[i * 4 + (HAVE_BIGENDIAN ? j : 2 - j)] = bytestream2_get_byteu(&s->gb); |
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4 |
len_section -= i * 3; |
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} |
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bytestream2_skip(&s->gb, len_section); |
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/* image ressources */ |
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|
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len_section = bytestream2_get_be32(&s->gb); |
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✗✓ |
30 |
if (len_section < 0) { |
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av_log(s->avctx, AV_LOG_ERROR, "Negative size for image ressources section.\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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✗✓ |
30 |
if (bytestream2_get_bytes_left(&s->gb) < (len_section + 4)) { /* section and len next section */ |
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av_log(s->avctx, AV_LOG_ERROR, "Incomplete file.\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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bytestream2_skip(&s->gb, len_section); |
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/* layers and masks */ |
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|
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len_section = bytestream2_get_be32(&s->gb); |
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✗✓ |
30 |
if (len_section < 0) { |
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av_log(s->avctx, AV_LOG_ERROR, "Negative size for layers and masks data section.\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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✗✓ |
30 |
if (bytestream2_get_bytes_left(&s->gb) < len_section) { |
195 |
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av_log(s->avctx, AV_LOG_ERROR, "Incomplete file.\n"); |
196 |
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return AVERROR_INVALIDDATA; |
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} |
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30 |
bytestream2_skip(&s->gb, len_section); |
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/* image section */ |
201 |
✗✓ |
30 |
if (bytestream2_get_bytes_left(&s->gb) < 2) { |
202 |
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av_log(s->avctx, AV_LOG_ERROR, "File without image data section.\n"); |
203 |
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return AVERROR_INVALIDDATA; |
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} |
205 |
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206 |
|
30 |
s->compression = bytestream2_get_be16(&s->gb); |
207 |
✓✗✗✗
|
30 |
switch (s->compression) { |
208 |
|
30 |
case 0: |
209 |
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case 1: |
210 |
|
30 |
break; |
211 |
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case 2: |
212 |
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avpriv_request_sample(s->avctx, "ZIP without predictor compression"); |
213 |
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return AVERROR_PATCHWELCOME; |
214 |
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case 3: |
215 |
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avpriv_request_sample(s->avctx, "ZIP with predictor compression"); |
216 |
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return AVERROR_PATCHWELCOME; |
217 |
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default: |
218 |
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av_log(s->avctx, AV_LOG_ERROR, "Unknown compression %d.\n", s->compression); |
219 |
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return AVERROR_INVALIDDATA; |
220 |
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} |
221 |
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222 |
|
30 |
return ret; |
223 |
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} |
224 |
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225 |
|
8 |
static int decode_rle(PSDContext * s){ |
226 |
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unsigned int scanline_count; |
227 |
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unsigned int sl, count; |
228 |
|
8 |
unsigned long target_index = 0; |
229 |
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unsigned int p; |
230 |
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int8_t rle_char; |
231 |
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unsigned int repeat_count; |
232 |
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uint8_t v; |
233 |
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234 |
|
8 |
scanline_count = s->height * s->channel_count; |
235 |
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236 |
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/* scanline table */ |
237 |
✗✓ |
8 |
if (bytestream2_get_bytes_left(&s->gb) < scanline_count * 2) { |
238 |
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av_log(s->avctx, AV_LOG_ERROR, "Not enough data for rle scanline table.\n"); |
239 |
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return AVERROR_INVALIDDATA; |
240 |
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} |
241 |
|
8 |
bytestream2_skip(&s->gb, scanline_count * 2);/* size of each scanline */ |
242 |
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|
243 |
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/* decode rle data scanline by scanline */ |
244 |
✓✓ |
2812 |
for (sl = 0; sl < scanline_count; sl++) { |
245 |
|
2804 |
count = 0; |
246 |
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|
247 |
✓✓ |
21344 |
while (count < s->line_size) { |
248 |
|
18540 |
rle_char = bytestream2_get_byte(&s->gb); |
249 |
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|
250 |
✓✓ |
18540 |
if (rle_char <= 0) {/* byte repeat */ |
251 |
|
12340 |
repeat_count = rle_char * -1; |
252 |
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|
253 |
✗✓ |
12340 |
if (bytestream2_get_bytes_left(&s->gb) < 1) { |
254 |
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av_log(s->avctx, AV_LOG_ERROR, "Not enough data for rle scanline.\n"); |
255 |
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return AVERROR_INVALIDDATA; |
256 |
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} |
257 |
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|
258 |
✗✓ |
12340 |
if (target_index + repeat_count >= s->uncompressed_size) { |
259 |
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av_log(s->avctx, AV_LOG_ERROR, "Invalid rle char.\n"); |
260 |
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return AVERROR_INVALIDDATA; |
261 |
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} |
262 |
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|
263 |
|
12340 |
v = bytestream2_get_byte(&s->gb); |
264 |
✓✓ |
222692 |
for (p = 0; p <= repeat_count; p++) { |
265 |
|
210352 |
s->tmp[target_index++] = v; |
266 |
|
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} |
267 |
|
12340 |
count += repeat_count + 1; |
268 |
|
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} else { |
269 |
✗✓ |
6200 |
if (bytestream2_get_bytes_left(&s->gb) < rle_char) { |
270 |
|
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av_log(s->avctx, AV_LOG_ERROR, "Not enough data for rle scanline.\n"); |
271 |
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return AVERROR_INVALIDDATA; |
272 |
|
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} |
273 |
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|
274 |
✗✓ |
6200 |
if (target_index + rle_char >= s->uncompressed_size) { |
275 |
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av_log(s->avctx, AV_LOG_ERROR, "Invalid rle char.\n"); |
276 |
|
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return AVERROR_INVALIDDATA; |
277 |
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} |
278 |
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|
279 |
✓✓ |
250010 |
for (p = 0; p <= rle_char; p++) { |
280 |
|
243810 |
v = bytestream2_get_byte(&s->gb); |
281 |
|
243810 |
s->tmp[target_index++] = v; |
282 |
|
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} |
283 |
|
6200 |
count += rle_char + 1; |
284 |
|
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} |
285 |
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} |
286 |
|
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} |
287 |
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|
288 |
|
8 |
return 0; |
289 |
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} |
290 |
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|
291 |
|
30 |
static int decode_frame(AVCodecContext *avctx, void *data, |
292 |
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int *got_frame, AVPacket *avpkt) |
293 |
|
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{ |
294 |
|
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int ret; |
295 |
|
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uint8_t *ptr; |
296 |
|
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const uint8_t *ptr_data; |
297 |
|
|
int index_out, c, y, x, p; |
298 |
|
30 |
uint8_t eq_channel[4] = {2,0,1,3};/* RGBA -> GBRA channel order */ |
299 |
|
|
uint8_t plane_number; |
300 |
|
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|
301 |
|
30 |
AVFrame *picture = data; |
302 |
|
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|
303 |
|
30 |
PSDContext *s = avctx->priv_data; |
304 |
|
30 |
s->avctx = avctx; |
305 |
|
30 |
s->channel_count = 0; |
306 |
|
30 |
s->channel_depth = 0; |
307 |
|
30 |
s->tmp = NULL; |
308 |
|
30 |
s->line_size = 0; |
309 |
|
|
|
310 |
|
30 |
bytestream2_init(&s->gb, avpkt->data, avpkt->size); |
311 |
|
|
|
312 |
✗✓ |
30 |
if ((ret = decode_header(s)) < 0) |
313 |
|
|
return ret; |
314 |
|
|
|
315 |
|
30 |
s->pixel_size = s->channel_depth >> 3;/* in byte */ |
316 |
|
30 |
s->line_size = s->width * s->pixel_size; |
317 |
|
|
|
318 |
✓✓✗✓ ✓✓✗ |
30 |
switch (s->color_mode) { |
319 |
|
2 |
case PSD_BITMAP: |
320 |
✓✗✗✓
|
2 |
if (s->channel_depth != 1 || s->channel_count != 1) { |
321 |
|
|
av_log(s->avctx, AV_LOG_ERROR, |
322 |
|
|
"Invalid bitmap file (channel_depth %d, channel_count %d)\n", |
323 |
|
|
s->channel_depth, s->channel_count); |
324 |
|
|
return AVERROR_INVALIDDATA; |
325 |
|
|
} |
326 |
|
2 |
s->line_size = s->width + 7 >> 3; |
327 |
|
2 |
avctx->pix_fmt = AV_PIX_FMT_MONOWHITE; |
328 |
|
2 |
break; |
329 |
|
2 |
case PSD_INDEXED: |
330 |
✓✗✗✓
|
2 |
if (s->channel_depth != 8 || s->channel_count != 1) { |
331 |
|
|
av_log(s->avctx, AV_LOG_ERROR, |
332 |
|
|
"Invalid indexed file (channel_depth %d, channel_count %d)\n", |
333 |
|
|
s->channel_depth, s->channel_count); |
334 |
|
|
return AVERROR_INVALIDDATA; |
335 |
|
|
} |
336 |
|
2 |
avctx->pix_fmt = AV_PIX_FMT_PAL8; |
337 |
|
2 |
break; |
338 |
|
|
case PSD_CMYK: |
339 |
|
|
if (s->channel_count == 4) { |
340 |
|
|
if (s->channel_depth == 8) { |
341 |
|
|
avctx->pix_fmt = AV_PIX_FMT_GBRP; |
342 |
|
|
} else if (s->channel_depth == 16) { |
343 |
|
|
avctx->pix_fmt = AV_PIX_FMT_GBRP16BE; |
344 |
|
|
} else { |
345 |
|
|
avpriv_report_missing_feature(avctx, "channel depth %d for cmyk", s->channel_depth); |
346 |
|
|
return AVERROR_PATCHWELCOME; |
347 |
|
|
} |
348 |
|
|
} else if (s->channel_count == 5) { |
349 |
|
|
if (s->channel_depth == 8) { |
350 |
|
|
avctx->pix_fmt = AV_PIX_FMT_GBRAP; |
351 |
|
|
} else if (s->channel_depth == 16) { |
352 |
|
|
avctx->pix_fmt = AV_PIX_FMT_GBRAP16BE; |
353 |
|
|
} else { |
354 |
|
|
avpriv_report_missing_feature(avctx, "channel depth %d for cmyk", s->channel_depth); |
355 |
|
|
return AVERROR_PATCHWELCOME; |
356 |
|
|
} |
357 |
|
|
} else { |
358 |
|
|
avpriv_report_missing_feature(avctx, "channel count %d for cmyk", s->channel_count); |
359 |
|
|
return AVERROR_PATCHWELCOME; |
360 |
|
|
} |
361 |
|
|
break; |
362 |
|
16 |
case PSD_RGB: |
363 |
✓✓ |
16 |
if (s->channel_count == 3) { |
364 |
✓✓ |
10 |
if (s->channel_depth == 8) { |
365 |
|
6 |
avctx->pix_fmt = AV_PIX_FMT_GBRP; |
366 |
✓✗ |
4 |
} else if (s->channel_depth == 16) { |
367 |
|
4 |
avctx->pix_fmt = AV_PIX_FMT_GBRP16BE; |
368 |
|
|
} else { |
369 |
|
|
avpriv_report_missing_feature(avctx, "channel depth %d for rgb", s->channel_depth); |
370 |
|
|
return AVERROR_PATCHWELCOME; |
371 |
|
|
} |
372 |
✓✗ |
6 |
} else if (s->channel_count == 4) { |
373 |
✓✓ |
6 |
if (s->channel_depth == 8) { |
374 |
|
4 |
avctx->pix_fmt = AV_PIX_FMT_GBRAP; |
375 |
✓✗ |
2 |
} else if (s->channel_depth == 16) { |
376 |
|
2 |
avctx->pix_fmt = AV_PIX_FMT_GBRAP16BE; |
377 |
|
|
} else { |
378 |
|
|
avpriv_report_missing_feature(avctx, "channel depth %d for rgb", s->channel_depth); |
379 |
|
|
return AVERROR_PATCHWELCOME; |
380 |
|
|
} |
381 |
|
|
} else { |
382 |
|
|
avpriv_report_missing_feature(avctx, "channel count %d for rgb", s->channel_count); |
383 |
|
|
return AVERROR_PATCHWELCOME; |
384 |
|
|
} |
385 |
|
16 |
break; |
386 |
|
2 |
case PSD_DUOTONE: |
387 |
|
2 |
av_log(avctx, AV_LOG_WARNING, "ignoring unknown duotone specification.\n"); |
388 |
|
10 |
case PSD_GRAYSCALE: |
389 |
✓✓ |
10 |
if (s->channel_count == 1) { |
390 |
✓✓ |
6 |
if (s->channel_depth == 8) { |
391 |
|
4 |
avctx->pix_fmt = AV_PIX_FMT_GRAY8; |
392 |
✓✗ |
2 |
} else if (s->channel_depth == 16) { |
393 |
|
2 |
avctx->pix_fmt = AV_PIX_FMT_GRAY16BE; |
394 |
|
|
} else if (s->channel_depth == 32) { |
395 |
|
|
avctx->pix_fmt = AV_PIX_FMT_GRAYF32BE; |
396 |
|
|
} else { |
397 |
|
|
avpriv_report_missing_feature(avctx, "channel depth %d for grayscale", s->channel_depth); |
398 |
|
|
return AVERROR_PATCHWELCOME; |
399 |
|
|
} |
400 |
✓✗ |
4 |
} else if (s->channel_count == 2) { |
401 |
✓✓ |
4 |
if (s->channel_depth == 8) { |
402 |
|
2 |
avctx->pix_fmt = AV_PIX_FMT_YA8; |
403 |
✓✗ |
2 |
} else if (s->channel_depth == 16) { |
404 |
|
2 |
avctx->pix_fmt = AV_PIX_FMT_YA16BE; |
405 |
|
|
} else { |
406 |
|
|
avpriv_report_missing_feature(avctx, "channel depth %d for grayscale", s->channel_depth); |
407 |
|
|
return AVERROR_PATCHWELCOME; |
408 |
|
|
} |
409 |
|
|
} else { |
410 |
|
|
avpriv_report_missing_feature(avctx, "channel count %d for grayscale", s->channel_count); |
411 |
|
|
return AVERROR_PATCHWELCOME; |
412 |
|
|
} |
413 |
|
10 |
break; |
414 |
|
|
default: |
415 |
|
|
avpriv_report_missing_feature(avctx, "color mode %d", s->color_mode); |
416 |
|
|
return AVERROR_PATCHWELCOME; |
417 |
|
|
} |
418 |
|
|
|
419 |
|
30 |
s->uncompressed_size = s->line_size * s->height * s->channel_count; |
420 |
|
|
|
421 |
✗✓ |
30 |
if ((ret = ff_get_buffer(avctx, picture, 0)) < 0) |
422 |
|
|
return ret; |
423 |
|
|
|
424 |
|
|
/* decode picture if need */ |
425 |
✓✓ |
30 |
if (s->compression == PSD_RLE) { |
426 |
|
8 |
s->tmp = av_malloc(s->uncompressed_size); |
427 |
✗✓ |
8 |
if (!s->tmp) |
428 |
|
|
return AVERROR(ENOMEM); |
429 |
|
|
|
430 |
|
8 |
ret = decode_rle(s); |
431 |
|
|
|
432 |
✗✓ |
8 |
if (ret < 0) { |
433 |
|
|
av_freep(&s->tmp); |
434 |
|
|
return ret; |
435 |
|
|
} |
436 |
|
|
|
437 |
|
8 |
ptr_data = s->tmp; |
438 |
|
|
} else { |
439 |
✗✓ |
22 |
if (bytestream2_get_bytes_left(&s->gb) < s->uncompressed_size) { |
440 |
|
|
av_log(s->avctx, AV_LOG_ERROR, "Not enough data for raw image data section.\n"); |
441 |
|
|
return AVERROR_INVALIDDATA; |
442 |
|
|
} |
443 |
|
22 |
ptr_data = s->gb.buffer; |
444 |
|
|
} |
445 |
|
|
|
446 |
|
|
/* Store data */ |
447 |
✓✓✓✓
|
30 |
if ((avctx->pix_fmt == AV_PIX_FMT_YA8)||(avctx->pix_fmt == AV_PIX_FMT_YA16BE)){/* Interleaved */ |
448 |
|
4 |
ptr = picture->data[0]; |
449 |
✓✓ |
12 |
for (c = 0; c < s->channel_count; c++) { |
450 |
✓✓ |
1032 |
for (y = 0; y < s->height; y++) { |
451 |
✓✓ |
132096 |
for (x = 0; x < s->width; x++) { |
452 |
|
131072 |
index_out = y * picture->linesize[0] + x * s->channel_count * s->pixel_size + c * s->pixel_size; |
453 |
✓✓ |
327680 |
for (p = 0; p < s->pixel_size; p++) { |
454 |
|
196608 |
ptr[index_out + p] = *ptr_data; |
455 |
|
196608 |
ptr_data ++; |
456 |
|
|
} |
457 |
|
|
} |
458 |
|
|
} |
459 |
|
|
} |
460 |
✗✓ |
26 |
} else if (s->color_mode == PSD_CMYK) { |
461 |
|
|
uint8_t *dst[4] = { picture->data[0], picture->data[1], picture->data[2], picture->data[3] }; |
462 |
|
|
const uint8_t *src[5] = { ptr_data }; |
463 |
|
|
src[1] = src[0] + s->line_size * s->height; |
464 |
|
|
src[2] = src[1] + s->line_size * s->height; |
465 |
|
|
src[3] = src[2] + s->line_size * s->height; |
466 |
|
|
src[4] = src[3] + s->line_size * s->height; |
467 |
|
|
if (s->channel_depth == 8) { |
468 |
|
|
for (y = 0; y < s->height; y++) { |
469 |
|
|
for (x = 0; x < s->width; x++) { |
470 |
|
|
int k = src[3][x]; |
471 |
|
|
int r = src[0][x] * k; |
472 |
|
|
int g = src[1][x] * k; |
473 |
|
|
int b = src[2][x] * k; |
474 |
|
|
dst[0][x] = g * 257 >> 16; |
475 |
|
|
dst[1][x] = b * 257 >> 16; |
476 |
|
|
dst[2][x] = r * 257 >> 16; |
477 |
|
|
} |
478 |
|
|
dst[0] += picture->linesize[0]; |
479 |
|
|
dst[1] += picture->linesize[1]; |
480 |
|
|
dst[2] += picture->linesize[2]; |
481 |
|
|
src[0] += s->line_size; |
482 |
|
|
src[1] += s->line_size; |
483 |
|
|
src[2] += s->line_size; |
484 |
|
|
src[3] += s->line_size; |
485 |
|
|
} |
486 |
|
|
if (avctx->pix_fmt == AV_PIX_FMT_GBRAP) { |
487 |
|
|
for (y = 0; y < s->height; y++) { |
488 |
|
|
memcpy(dst[3], src[4], s->line_size); |
489 |
|
|
src[4] += s->line_size; |
490 |
|
|
dst[3] += picture->linesize[3]; |
491 |
|
|
} |
492 |
|
|
} |
493 |
|
|
} else { |
494 |
|
|
for (y = 0; y < s->height; y++) { |
495 |
|
|
for (x = 0; x < s->width; x++) { |
496 |
|
|
int64_t k = AV_RB16(&src[3][x * 2]); |
497 |
|
|
int64_t r = AV_RB16(&src[0][x * 2]) * k; |
498 |
|
|
int64_t g = AV_RB16(&src[1][x * 2]) * k; |
499 |
|
|
int64_t b = AV_RB16(&src[2][x * 2]) * k; |
500 |
|
|
AV_WB16(&dst[0][x * 2], g * 65537 >> 32); |
501 |
|
|
AV_WB16(&dst[1][x * 2], b * 65537 >> 32); |
502 |
|
|
AV_WB16(&dst[2][x * 2], r * 65537 >> 32); |
503 |
|
|
} |
504 |
|
|
dst[0] += picture->linesize[0]; |
505 |
|
|
dst[1] += picture->linesize[1]; |
506 |
|
|
dst[2] += picture->linesize[2]; |
507 |
|
|
src[0] += s->line_size; |
508 |
|
|
src[1] += s->line_size; |
509 |
|
|
src[2] += s->line_size; |
510 |
|
|
src[3] += s->line_size; |
511 |
|
|
} |
512 |
|
|
if (avctx->pix_fmt == AV_PIX_FMT_GBRAP16BE) { |
513 |
|
|
for (y = 0; y < s->height; y++) { |
514 |
|
|
memcpy(dst[3], src[4], s->line_size); |
515 |
|
|
src[4] += s->line_size; |
516 |
|
|
dst[3] += picture->linesize[3]; |
517 |
|
|
} |
518 |
|
|
} |
519 |
|
|
} |
520 |
|
|
} else {/* Planar */ |
521 |
✓✓ |
26 |
if (s->channel_count == 1)/* gray 8 or gray 16be */ |
522 |
|
10 |
eq_channel[0] = 0;/* assign first channel, to first plane */ |
523 |
|
|
|
524 |
✓✓ |
90 |
for (c = 0; c < s->channel_count; c++) { |
525 |
|
64 |
plane_number = eq_channel[c]; |
526 |
|
64 |
ptr = picture->data[plane_number];/* get the right plane */ |
527 |
✓✓ |
8238 |
for (y = 0; y < s->height; y++) { |
528 |
|
8174 |
memcpy(ptr, ptr_data, s->line_size); |
529 |
|
8174 |
ptr += picture->linesize[plane_number]; |
530 |
|
8174 |
ptr_data += s->line_size; |
531 |
|
|
} |
532 |
|
|
} |
533 |
|
|
} |
534 |
|
|
|
535 |
✓✓ |
30 |
if (s->color_mode == PSD_INDEXED) { |
536 |
|
2 |
picture->palette_has_changed = 1; |
537 |
|
2 |
memcpy(picture->data[1], s->palette, AVPALETTE_SIZE); |
538 |
|
|
} |
539 |
|
|
|
540 |
|
30 |
av_freep(&s->tmp); |
541 |
|
|
|
542 |
|
30 |
picture->pict_type = AV_PICTURE_TYPE_I; |
543 |
|
30 |
*got_frame = 1; |
544 |
|
|
|
545 |
|
30 |
return avpkt->size; |
546 |
|
|
} |
547 |
|
|
|
548 |
|
|
AVCodec ff_psd_decoder = { |
549 |
|
|
.name = "psd", |
550 |
|
|
.long_name = NULL_IF_CONFIG_SMALL("Photoshop PSD file"), |
551 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
552 |
|
|
.id = AV_CODEC_ID_PSD, |
553 |
|
|
.priv_data_size = sizeof(PSDContext), |
554 |
|
|
.decode = decode_frame, |
555 |
|
|
.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS, |
556 |
|
|
}; |