procqueue: Add Codec tasks

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

include/gapk/procqueue.h

@@ -48,4 +48,8 @@ int pq_queue_file_output(struct pq *pq, FILE *dst, unsigned int block_len);
 struct format_desc;
 int pq_queue_fmt_convert(struct pq *pq, const struct format_desc *fmt, int to_from_n);
 
+/* Codec */
+struct codec_desc;
+int pq_queue_codec(struct pq *pq, const struct codec_desc *codec, int encode);
+
 #endif /* __GAPK_PROCQUEUE_H__ */

src/Makefile.am

@@ -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 pq_format.c \
+		procqueue.c pq_file.c pq_format.c pq_codec.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

src/pq_codec.c

@@ -0,0 +1,69 @@
+/* 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;
+}