Sylvain Munaut | 792d041 | 2010-11-11 20:41:50 +0100 | [diff] [blame] | 1 | /* Process Queue: Format handling tasks */ |
| 2 | |
| 3 | /* |
| 4 | * This file is part of gapk (GSM Audio Pocket Knife). |
| 5 | * |
| 6 | * gapk is free software: you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation, either version 3 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * gapk is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with gapk. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | #include <errno.h> |
| 21 | #include <stdint.h> |
| 22 | |
| 23 | #include <gapk/codecs.h> |
| 24 | #include <gapk/formats.h> |
| 25 | #include <gapk/procqueue.h> |
| 26 | |
| 27 | |
| 28 | static int |
| 29 | pq_cb_fmt_convert(void *_state, uint8_t *out, const uint8_t *in) |
| 30 | { |
| 31 | fmt_conv_cb_t f = _state; |
| 32 | return f(out, in); |
| 33 | } |
| 34 | |
| 35 | int |
| 36 | pq_queue_fmt_convert(struct pq *pq, const struct format_desc *fmt, int to_from_n) |
| 37 | { |
| 38 | struct pq_item *item; |
| 39 | const struct codec_desc *codec = codec_get_from_type(fmt->codec_type); |
| 40 | |
| 41 | if (!codec) |
| 42 | return -EINVAL; |
| 43 | |
| 44 | item = pq_add_item(pq); |
| 45 | if (!item) |
| 46 | return -ENOMEM; |
| 47 | |
| 48 | if (to_from_n) { |
| 49 | item->len_in = codec->canon_frame_len; |
| 50 | item->len_out = fmt->frame_len; |
| 51 | item->state = fmt->conv_from_canon; |
| 52 | } else { |
| 53 | item->len_in = fmt->frame_len; |
| 54 | item->len_out = codec->canon_frame_len; |
| 55 | item->state = fmt->conv_to_canon; |
| 56 | } |
| 57 | |
| 58 | item->proc = pq_cb_fmt_convert; |
| 59 | |
| 60 | return 0; |
| 61 | } |