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procqueue: Add format conversion tasks 

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2010-11-11 20:41:50 +01:00
parent d9fb0e37c8
commit 792d04135e
3 changed files with 66 additions and 1 deletions
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4
include/gapk/procqueue.h
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@ -44,4 +44,8 @@ int pq_execute(struct pq *pq);
int pq_queue_file_input(struct pq *pq, FILE *src, unsigned int block_len);
int pq_queue_file_output(struct pq *pq, FILE *dst, unsigned int block_len);
/* Format */
struct format_desc;
int pq_queue_fmt_convert(struct pq *pq, const struct format_desc *fmt, int to_from_n);
#endif /* __GAPK_PROCQUEUE_H__ */

2
src/Makefile.am
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@ -4,6 +4,6 @@ AM_LDFLAGS=$(LIBOSMOCODEC_LIBS) ${OPENCORE_AMRNB_LIBS} ${LIBGSM_LIBS}
bin_PROGRAMS = gapk
gapk_SOURCES = main.c \
procqueue.c pq_file.c \
procqueue.c pq_file.c pq_format.c \
formats.c fmt_amr.c fmt_gsm.c fmt_hr_ref.c fmt_racal.c \
codecs.c codec_pcm.c codec_hr.c codec_fr.c codec_efr.c

61
src/pq_format.c Normal file
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@ -0,0 +1,61 @@
/* Process Queue: Format 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>
static int
pq_cb_fmt_convert(void *_state, uint8_t *out, const uint8_t *in)
{
fmt_conv_cb_t f = _state;
return f(out, in);
}
int
pq_queue_fmt_convert(struct pq *pq, const struct format_desc *fmt, int to_from_n)
{
struct pq_item *item;
const struct codec_desc *codec = codec_get_from_type(fmt->codec_type);
if (!codec)
return -EINVAL;
item = pq_add_item(pq);
if (!item)
return -ENOMEM;
if (to_from_n) {
item->len_in = codec->canon_frame_len;
item->len_out = fmt->frame_len;
item->state = fmt->conv_from_canon;
} else {
item->len_in = fmt->frame_len;
item->len_out = codec->canon_frame_len;
item->state = fmt->conv_to_canon;
}
item->proc = pq_cb_fmt_convert;
return 0;
}