| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Raw video utils | ||
| 3 | * Copyright (c) 2016 Michael Niedermayer | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include "libavutil/intreadwrite.h" | ||
| 23 | #include "libavcodec/packet.h" | ||
| 24 | #include "avformat.h" | ||
| 25 | #include "rawutils.h" | ||
| 26 | |||
| 27 | 625 | int ff_reshuffle_raw_rgb(AVFormatContext *s, AVPacket **ppkt, AVCodecParameters *par, int expected_stride) | |
| 28 | { | ||
| 29 | int ret; | ||
| 30 | 625 | AVPacket *pkt = *ppkt; | |
| 31 |
2/2✓ Branch 0 taken 425 times.
✓ Branch 1 taken 200 times.
|
625 | int64_t bpc = par->bits_per_coded_sample != 15 ? par->bits_per_coded_sample : 16; |
| 32 | 625 | int64_t min_stride = (par->width * bpc + 7) >> 3; | |
| 33 | int with_pal_size, contains_pal, size, stride, padding, y; | ||
| 34 | AVPacket *new_pkt; | ||
| 35 | |||
| 36 |
3/6✓ Branch 0 taken 625 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 625 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 625 times.
✗ Branch 5 not taken.
|
625 | if (par->height <= 0 || min_stride <= 0 || expected_stride <= 0 || |
| 37 |
1/2✓ Branch 0 taken 625 times.
✗ Branch 1 not taken.
|
625 | min_stride > (INT_MAX - 1024) / par->height || |
| 38 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 625 times.
|
625 | expected_stride > (INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) / par->height) |
| 39 | ✗ | return AVERROR(EINVAL); | |
| 40 | |||
| 41 | 625 | with_pal_size = min_stride * par->height + 1024; | |
| 42 |
1/4✗ Branch 0 not taken.
✓ Branch 1 taken 625 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
|
625 | contains_pal = bpc == 8 && pkt->size == with_pal_size; |
| 43 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 625 times.
|
625 | size = contains_pal ? min_stride * par->height : pkt->size; |
| 44 | 625 | stride = size / par->height; | |
| 45 | 625 | padding = expected_stride - FFMIN(expected_stride, stride); | |
| 46 | |||
| 47 |
2/2✓ Branch 0 taken 525 times.
✓ Branch 1 taken 100 times.
|
625 | if (pkt->size == expected_stride * par->height) |
| 48 | 525 | return 0; | |
| 49 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 100 times.
|
100 | if (size != stride * par->height) |
| 50 | ✗ | return 0; | |
| 51 | |||
| 52 | 100 | new_pkt = av_packet_alloc(); | |
| 53 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 100 times.
|
100 | if (!new_pkt) |
| 54 | ✗ | return AVERROR(ENOMEM); | |
| 55 | |||
| 56 | 100 | ret = av_new_packet(new_pkt, expected_stride * par->height); | |
| 57 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 100 times.
|
100 | if (ret < 0) |
| 58 | ✗ | goto fail; | |
| 59 | |||
| 60 | 100 | ret = av_packet_copy_props(new_pkt, pkt); | |
| 61 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 100 times.
|
100 | if (ret < 0) |
| 62 | ✗ | goto fail; | |
| 63 | |||
| 64 |
2/2✓ Branch 0 taken 3400 times.
✓ Branch 1 taken 100 times.
|
3500 | for (y = 0; y<par->height; y++) { |
| 65 | 3400 | memcpy(new_pkt->data + y*expected_stride, pkt->data + y*stride, FFMIN(expected_stride, stride)); | |
| 66 | 3400 | memset(new_pkt->data + y*expected_stride + expected_stride - padding, 0, padding); | |
| 67 | } | ||
| 68 | |||
| 69 | 100 | *ppkt = new_pkt; | |
| 70 | 100 | return 1 + contains_pal; | |
| 71 | ✗ | fail: | |
| 72 | ✗ | av_packet_free(&new_pkt); | |
| 73 | |||
| 74 | ✗ | return ret; | |
| 75 | } | ||
| 76 | |||
| 77 | 321 | int ff_get_packet_palette(AVFormatContext *s, AVPacket *pkt, int ret, uint32_t *palette) | |
| 78 | { | ||
| 79 | uint8_t *side_data; | ||
| 80 | size_t size; | ||
| 81 | |||
| 82 | 321 | side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_PALETTE, &size); | |
| 83 |
2/2✓ Branch 0 taken 208 times.
✓ Branch 1 taken 113 times.
|
321 | if (side_data) { |
| 84 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 208 times.
|
208 | if (size != AVPALETTE_SIZE) { |
| 85 | ✗ | av_log(s, AV_LOG_ERROR, "Invalid palette side data\n"); | |
| 86 | ✗ | return AVERROR_INVALIDDATA; | |
| 87 | } | ||
| 88 | 208 | memcpy(palette, side_data, AVPALETTE_SIZE); | |
| 89 | 208 | return 1; | |
| 90 | } | ||
| 91 | |||
| 92 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 113 times.
|
113 | if (ret == CONTAINS_PAL) { |
| 93 | ✗ | for (int i = 0; i < AVPALETTE_COUNT; i++) | |
| 94 | ✗ | palette[i] = AV_RL32(pkt->data + pkt->size - AVPALETTE_SIZE + i*4); | |
| 95 | ✗ | return 1; | |
| 96 | } | ||
| 97 | |||
| 98 | 113 | return 0; | |
| 99 | } | ||
| 100 |