| /* Process Queue: Codec handling tasks */ |
| |
| /* |
| * This file is part of gapk (GSM Audio Pocket Knife). |
| * |
| * gapk is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * gapk is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with gapk. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <errno.h> |
| #include <stdint.h> |
| |
| #include <gapk/codecs.h> |
| #include <gapk/formats.h> |
| #include <gapk/procqueue.h> |
| |
| |
| int |
| pq_queue_codec(struct pq *pq, const struct codec_desc *codec, int enc_dec_n) |
| { |
| const struct codec_desc *codec_pcm = codec_get_from_type(CODEC_PCM); |
| const struct format_desc *fmt; |
| struct pq_item *item; |
| |
| item = pq_add_item(pq); |
| if (!item) |
| return -ENOMEM; |
| |
| if (codec->codec_init) { |
| item->state = codec->codec_init(); |
| if (!item->state) |
| return -EINVAL; |
| } |
| |
| if (enc_dec_n) { |
| fmt = fmt_get_from_type(codec->codec_enc_format_type); |
| if (!fmt) |
| return -EINVAL; |
| |
| item->len_in = codec_pcm->canon_frame_len; |
| item->len_out = fmt->frame_len; |
| item->proc = codec->codec_encode; |
| } else { |
| fmt = fmt_get_from_type(codec->codec_dec_format_type); |
| if (!fmt) |
| return -EINVAL; |
| |
| item->len_in = fmt->frame_len; |
| item->len_out = codec_pcm->canon_frame_len; |
| item->proc = codec->codec_decode; |
| } |
| |
| item->exit = codec->codec_exit; |
| |
| if (!item->proc) |
| return -ENOTSUP; |
| |
| return 0; |
| } |