4f093d5b97
Conflicts: Makefile.am NEWS configure.ac src/encoder/flac_encoder.c src/log.c src/pcm_buffer.c
121 lines
3.0 KiB
C
121 lines
3.0 KiB
C
/*
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "encoder_api.h"
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#include "encoder_plugin.h"
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#include "fifo_buffer.h"
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#include "growing_fifo.h"
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#include <assert.h>
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#include <string.h>
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struct null_encoder {
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struct encoder encoder;
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struct fifo_buffer *buffer;
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};
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extern const struct encoder_plugin null_encoder_plugin;
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static inline GQuark
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null_encoder_quark(void)
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{
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return g_quark_from_static_string("null_encoder");
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}
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static struct encoder *
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null_encoder_init(G_GNUC_UNUSED const struct config_param *param,
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G_GNUC_UNUSED GError **error)
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{
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struct null_encoder *encoder;
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encoder = g_new(struct null_encoder, 1);
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encoder_struct_init(&encoder->encoder, &null_encoder_plugin);
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return &encoder->encoder;
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}
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static void
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null_encoder_finish(struct encoder *_encoder)
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{
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struct null_encoder *encoder = (struct null_encoder *)_encoder;
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g_free(encoder);
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}
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static void
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null_encoder_close(struct encoder *_encoder)
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{
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struct null_encoder *encoder = (struct null_encoder *)_encoder;
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fifo_buffer_free(encoder->buffer);
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}
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static bool
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null_encoder_open(struct encoder *_encoder,
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G_GNUC_UNUSED struct audio_format *audio_format,
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G_GNUC_UNUSED GError **error)
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{
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struct null_encoder *encoder = (struct null_encoder *)_encoder;
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encoder->buffer = growing_fifo_new();
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return true;
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}
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static bool
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null_encoder_write(struct encoder *_encoder,
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const void *data, size_t length,
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G_GNUC_UNUSED GError **error)
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{
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struct null_encoder *encoder = (struct null_encoder *)_encoder;
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growing_fifo_append(&encoder->buffer, data, length);
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return length;
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}
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static size_t
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null_encoder_read(struct encoder *_encoder, void *dest, size_t length)
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{
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struct null_encoder *encoder = (struct null_encoder *)_encoder;
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size_t max_length;
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const void *src = fifo_buffer_read(encoder->buffer, &max_length);
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if (src == NULL)
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return 0;
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if (length > max_length)
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length = max_length;
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memcpy(dest, src, length);
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fifo_buffer_consume(encoder->buffer, length);
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return length;
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}
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const struct encoder_plugin null_encoder_plugin = {
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.name = "null",
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.init = null_encoder_init,
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.finish = null_encoder_finish,
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.open = null_encoder_open,
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.close = null_encoder_close,
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.write = null_encoder_write,
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.read = null_encoder_read,
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};
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