diff options
Diffstat (limited to 'src/post/audio/upmix_mono.c')
| -rw-r--r-- | src/post/audio/upmix_mono.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/src/post/audio/upmix_mono.c b/src/post/audio/upmix_mono.c index 52b5f497b..43fe3df0d 100644 --- a/src/post/audio/upmix_mono.c +++ b/src/post/audio/upmix_mono.c @@ -1,18 +1,18 @@ /* * Copyright (C) 2000-2004 the xine project - * + * * This file is part of xine, a free video player. - * + * * xine 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 2 of the License, or * (at your option) any later version. - * + * * xine 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 this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA @@ -68,11 +68,11 @@ struct post_plugin_upmix_mono_s { /* private data */ int channels; - + upmix_mono_parameters_t params; xine_post_in_t params_input; int params_changed; - + pthread_mutex_t lock; }; @@ -134,7 +134,7 @@ static int upmix_mono_port_open(xine_audio_port_t *port_gen, xine_stream_t *stre _x_post_rewire(&this->post); _x_post_inc_usage(port); - + port->stream = stream; port->bits = bits; port->rate = rate; @@ -142,7 +142,7 @@ static int upmix_mono_port_open(xine_audio_port_t *port_gen, xine_stream_t *stre this->channels = _x_ao_mode2channels(mode); capabilities = port->original_port->get_capabilities(port->original_port); - + if (this->channels == 1 && (capabilities & AO_CAP_MODE_STEREO)) { xprintf(stream->xine, XINE_VERBOSITY_LOG, _(LOG_MODULE ": upmixing Mono to Stereo.\n")); @@ -151,7 +151,7 @@ static int upmix_mono_port_open(xine_audio_port_t *port_gen, xine_stream_t *stre if ( this->channels != 1) xprintf(stream->xine, XINE_VERBOSITY_LOG, ngettext(LOG_MODULE ": upmixing a single channel from original %d channel stream.\n", - LOG_MODULE ": upmixing a single channel from original %d channels stream.\n", + LOG_MODULE ": upmixing a single channel from original %d channels stream.\n", this->channels), this->channels); else { xprintf(stream->xine, XINE_VERBOSITY_LOG, @@ -163,15 +163,15 @@ static int upmix_mono_port_open(xine_audio_port_t *port_gen, xine_stream_t *stre return (port->original_port->open) (port->original_port, stream, bits, rate, mode); } -static void upmix_mono_port_put_buffer(xine_audio_port_t *port_gen, +static void upmix_mono_port_put_buffer(xine_audio_port_t *port_gen, audio_buffer_t *buf, xine_stream_t *stream) { - + post_audio_port_t *port = (post_audio_port_t *)port_gen; post_plugin_upmix_mono_t *this = (post_plugin_upmix_mono_t *)port->post; - + pthread_mutex_lock (&this->lock); - if (this->channels == 1) + if (this->channels == 1) { audio_buffer_t *buf0 = port->original_port->get_buffer(port->original_port); audio_buffer_t *buf1 = port->original_port->get_buffer(port->original_port); @@ -232,7 +232,7 @@ static void upmix_mono_port_put_buffer(xine_audio_port_t *port_gen, /* free data from origial buffer */ buf->num_frames = 0; /* UNDOCUMENTED, but hey, it works! Force old audio_out buffer free. */ } - else if (this->channels && this->params.channel >= 0) + else if (this->channels && this->params.channel >= 0) { audio_buffer_t *buf0 = port->original_port->get_buffer(port->original_port); buf0->num_frames = buf->num_frames; @@ -253,12 +253,12 @@ static void upmix_mono_port_put_buffer(xine_audio_port_t *port_gen, uint8_t *dst0 = (uint8_t *)buf0->mem; int cur_channel = this->params.channel; int i, j; - + if( cur_channel >= this->channels ) cur_channel = this->channels-1; src += cur_channel * step; - + for (i = 0; i < buf->num_frames; i++) { for (j = 0; j < this->channels; j++ ) @@ -276,11 +276,11 @@ static void upmix_mono_port_put_buffer(xine_audio_port_t *port_gen, /* free data from origial buffer */ buf->num_frames = 0; /* UNDOCUMENTED, but hey, it works! Force old audio_out buffer free. */ } - + pthread_mutex_unlock (&this->lock); - + port->original_port->put_buffer(port->original_port, buf, stream); - + return; } @@ -303,24 +303,24 @@ static post_plugin_t *upmix_mono_open_plugin(post_class_t *class_gen, int inputs xine_post_in_t *input_api; post_audio_port_t *port; upmix_mono_parameters_t init_params; - + if (!this || !audio_target || !audio_target[0]) { free(this); return NULL; } - + _x_post_init(&this->post, 1, 0); init_params.channel = -1; - + pthread_mutex_init (&this->lock, NULL); set_parameters ((xine_post_t *)&this->post, &init_params); - + port = _x_post_intercept_audio_port(&this->post, audio_target[0], &input, &output); port->new_port.open = upmix_mono_port_open; port->new_port.put_buffer = upmix_mono_port_put_buffer; - + input_api = &this->params_input; input_api->name = "parameters"; input_api->type = XINE_POST_DATA_PARAMETERS; @@ -352,17 +352,17 @@ static void upmix_mono_class_dispose(post_class_t *class_gen) void *upmix_mono_init_plugin(xine_t *xine, void *data) { post_class_upmix_mono_t *class = (post_class_upmix_mono_t *)malloc(sizeof(post_class_upmix_mono_t)); - + if (!class) return NULL; - + class->post_class.open_plugin = upmix_mono_open_plugin; class->post_class.get_identifier = upmix_mono_get_identifier; class->post_class.get_description = upmix_mono_get_description; class->post_class.dispose = upmix_mono_class_dispose; - + class->xine = xine; - + return class; } |