diff options
Diffstat (limited to 'src/post/visualizations/oscope.c')
| -rw-r--r-- | src/post/visualizations/oscope.c | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/src/post/visualizations/oscope.c b/src/post/visualizations/oscope.c index a2c9c6961..28d1b4cbc 100644 --- a/src/post/visualizations/oscope.c +++ b/src/post/visualizations/oscope.c @@ -1,18 +1,18 @@ /* * Copyright (C) 2000-2003 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 @@ -59,13 +59,13 @@ struct post_plugin_oscope_s { /* private metronom for syncing the video */ metronom_t *metronom; - + double ratio; int data_idx; short data [MAXCHANNELS][NUMSAMPLES]; audio_buffer_t buf; /* dummy buffer just to hold a copy of audio data */ - + int channels; int sample_counter; int samples_per_frame; @@ -130,7 +130,7 @@ static void draw_oscope_dots(post_plugin_oscope_t *this) { /* draw channel scope */ for (i = 0; i < NUMSAMPLES; i++) { - pixel_ptr = + pixel_ptr = ((OSCOPE_HEIGHT * (c * 2 + 1) / (2*this->channels) ) + (this->data[c][i] >> 9)) * OSCOPE_WIDTH + i; this->yuv.y[pixel_ptr] = 0xFF; this->yuv.u[pixel_ptr] = this->u_current; @@ -161,7 +161,7 @@ static int oscope_rewire_video(xine_post_out_t *output_gen, void *data) xine_video_port_t *old_port = *(xine_video_port_t **)output_gen->data; xine_video_port_t *new_port = (xine_video_port_t *)data; post_plugin_oscope_t *this = (post_plugin_oscope_t *)output->post; - + if (!data) return 0; old_port->close(old_port, XINE_ANON_STREAM); @@ -179,12 +179,12 @@ static int oscope_port_open(xine_audio_port_t *port_gen, xine_stream_t *stream, _x_post_rewire(&this->post); _x_post_inc_usage(port); - + port->stream = stream; port->bits = bits; port->rate = rate; port->mode = mode; - + this->ratio = (double)OSCOPE_WIDTH/(double)OSCOPE_HEIGHT; this->channels = _x_ao_mode2channels(mode); @@ -210,15 +210,15 @@ static void oscope_port_close(xine_audio_port_t *port_gen, xine_stream_t *stream this->vo_port->close(this->vo_port, XINE_ANON_STREAM); this->metronom->set_master(this->metronom, NULL); - + port->original_port->close(port->original_port, stream ); - + _x_post_dec_usage(port); } -static void oscope_port_put_buffer (xine_audio_port_t *port_gen, +static void oscope_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_oscope_t *this = (post_plugin_oscope_t *)port->post; vo_frame_t *frame; @@ -227,32 +227,32 @@ static void oscope_port_put_buffer (xine_audio_port_t *port_gen, int samples_used = 0; int64_t pts = buf->vpts; int i, c; - + /* make a copy of buf data for private use */ if( this->buf.mem_size < buf->mem_size ) { this->buf.mem = realloc(this->buf.mem, buf->mem_size); this->buf.mem_size = buf->mem_size; } - memcpy(this->buf.mem, buf->mem, + memcpy(this->buf.mem, buf->mem, buf->num_frames*this->channels*((port->bits == 8)?1:2)); this->buf.num_frames = buf->num_frames; - + /* pass data to original port */ - port->original_port->put_buffer(port->original_port, buf, stream ); - + port->original_port->put_buffer(port->original_port, buf, stream ); + /* we must not use original data anymore, it should have already being moved * to the fifo of free audio buffers. just use our private copy instead. */ - buf = &this->buf; - + buf = &this->buf; + this->sample_counter += buf->num_frames; - + do { - + if( port->bits == 8 ) { data8 = (int8_t *)buf->mem; data8 += samples_used * this->channels; - + /* scale 8 bit data to 16 bits and convert to signed as well */ for( i = samples_used; i < buf->num_frames && this->data_idx < NUMSAMPLES; i++, this->data_idx++, data8 += this->channels ) @@ -261,23 +261,23 @@ static void oscope_port_put_buffer (xine_audio_port_t *port_gen, } else { data = buf->mem; data += samples_used * this->channels; - + for( i = samples_used; i < buf->num_frames && this->data_idx < NUMSAMPLES; i++, this->data_idx++, data += this->channels ) for( c = 0; c < this->channels; c++) this->data[c][this->data_idx] = data[c]; } - + if( this->sample_counter >= this->samples_per_frame ) { - + samples_used += this->samples_per_frame; - + frame = this->vo_port->get_frame (this->vo_port, OSCOPE_WIDTH, OSCOPE_HEIGHT, this->ratio, XINE_IMGFMT_YUY2, VO_BOTH_FIELDS); frame->extra_info->invalid = 1; - - /* frame is marked as bad if we don't have enough samples for + + /* frame is marked as bad if we don't have enough samples for * updating the viz plugin (calculations may be skipped). * we must keep the framerate though. */ if( this->data_idx == NUMSAMPLES ) { @@ -289,12 +289,12 @@ static void oscope_port_put_buffer (xine_audio_port_t *port_gen, frame->duration = 90000 * this->samples_per_frame / port->rate; frame->pts = pts; this->metronom->got_video_frame(this->metronom, frame); - + this->sample_counter -= this->samples_per_frame; - + draw_oscope_dots(this); yuv444_to_yuy2(&this->yuv, frame->base[0], frame->pitches[0]); - + frame->draw(frame, XINE_ANON_STREAM); frame->free(frame); @@ -307,7 +307,7 @@ static void oscope_dispose(post_plugin_t *this_gen) post_plugin_oscope_t *this = (post_plugin_oscope_t *)this_gen; if (_x_post_dispose(this_gen)) { - + this->metronom->exit(this->metronom); if(this->buf.mem) @@ -327,14 +327,14 @@ static post_plugin_t *oscope_open_plugin(post_class_t *class_gen, int inputs, post_out_t *output; post_out_t *outputv; post_audio_port_t *port; - + if (!this || !video_target || !video_target[0] || !audio_target || !audio_target[0] ) { free(this); return NULL; } - + _x_post_init(&this->post, 1, 0); - + this->metronom = _x_metronom_init(1, 0, class->xine); this->vo_port = video_target[0]; @@ -343,7 +343,7 @@ static post_plugin_t *oscope_open_plugin(post_class_t *class_gen, int inputs, port->new_port.open = oscope_port_open; port->new_port.close = oscope_port_close; port->new_port.put_buffer = oscope_port_put_buffer; - + outputv = &this->video_output; outputv->xine_out.name = "generated video"; outputv->xine_out.type = XINE_POST_DATA_VIDEO; @@ -351,9 +351,9 @@ static post_plugin_t *oscope_open_plugin(post_class_t *class_gen, int inputs, outputv->xine_out.rewire = oscope_rewire_video; outputv->post = &this->post; xine_list_push_back(this->post.output, outputv); - + this->post.xine_post.audio_input[0] = &port->new_port; - + this->post.dispose = oscope_dispose; return &this->post; @@ -378,16 +378,16 @@ static void oscope_class_dispose(post_class_t *class_gen) void *oscope_init_plugin(xine_t *xine, void *data) { post_class_oscope_t *class = (post_class_oscope_t *)malloc(sizeof(post_class_oscope_t)); - + if (!class) return NULL; - + class->post_class.open_plugin = oscope_open_plugin; class->post_class.get_identifier = oscope_get_identifier; class->post_class.get_description = oscope_get_description; class->post_class.dispose = oscope_class_dispose; - + class->xine = xine; - + return &class->post_class; } |