| 119 | } |
| 120 | |
| 121 | int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples, |
| 122 | enum AVSampleFormat sample_fmt, int align) |
| 123 | { |
| 124 | int line_size; |
| 125 | int sample_size = av_get_bytes_per_sample(sample_fmt); |
| 126 | int planar = av_sample_fmt_is_planar(sample_fmt); |
| 127 | |
| 128 | /* validate parameter ranges */ |
| 129 | if (!sample_size || nb_samples <= 0 || nb_channels <= 0) |
| 130 | return AVERROR(EINVAL); |
| 131 | |
| 132 | /* auto-select alignment if not specified */ |
| 133 | if (!align) { |
| 134 | if (nb_samples > INT_MAX - 31) |
| 135 | return AVERROR(EINVAL); |
| 136 | align = 1; |
| 137 | nb_samples = FFALIGN(nb_samples, 32); |
| 138 | } |
| 139 | |
| 140 | /* check for integer overflow */ |
| 141 | if (nb_channels > INT_MAX / align || |
| 142 | (int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size) |
| 143 | return AVERROR(EINVAL); |
| 144 | |
| 145 | line_size = planar ? FFALIGN(nb_samples * sample_size, align) : |
| 146 | FFALIGN(nb_samples * sample_size * nb_channels, align); |
| 147 | if (linesize) |
| 148 | *linesize = line_size; |
| 149 | |
| 150 | return planar ? line_size * nb_channels : line_size; |
| 151 | } |
| 152 | |
| 153 | int av_samples_fill_arrays(uint8_t **audio_data, int *linesize, |
| 154 | const uint8_t *buf, int nb_channels, int nb_samples, |
no test coverage detected