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GUAC-1354: Remove old Ogg encoder.

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This commit is contained in:
Michael Jumper 2015-10-02 17:14:53 -07:00
parent 7cf2005f5b
commit e7ab5b50ab
4 changed files with 0 additions and 268 deletions
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6
src/libguac/Makefile.am
View File

@ -89,12 +89,6 @@ libguac_la_SOURCES = \
timestamp.c \
unicode.c
# Compile OGG support if available
if ENABLE_OGG
libguac_la_SOURCES += ogg_encoder.c
noinst_HEADERS += ogg_encoder.h
endif
# Compile WebP support if available
if ENABLE_WEBP
libguac_la_SOURCES += encode-webp.c

12
src/libguac/audio.c
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@ -22,10 +22,6 @@
#include "config.h"
#ifdef ENABLE_OGG
#include "ogg_encoder.h"
#endif
#include "raw_encoder.h"
#include <guacamole/audio.h>
@ -51,14 +47,6 @@ guac_audio_stream* guac_audio_stream_alloc(guac_client* client,
const char* mimetype = client->info.audio_mimetypes[i];
#ifdef ENABLE_OGG
/* If Ogg is supported, done. */
if (strcmp(mimetype, ogg_encoder->mimetype) == 0) {
encoder = ogg_encoder;
break;
}
#endif
/* If 16-bit raw audio is supported, done. */
if (bps == 16 && strcmp(mimetype, raw16_encoder->mimetype) == 0) {
encoder = raw16_encoder;

195
src/libguac/ogg_encoder.c
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@ -1,195 +0,0 @@
/*
* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "config.h"
#include "audio.h"
#include "ogg_encoder.h"
#include <vorbis/vorbisenc.h>
#include <stdlib.h>
void ogg_encoder_begin_handler(guac_audio_stream* audio) {
/* Allocate stream state */
ogg_encoder_state* state = (ogg_encoder_state*)
malloc(sizeof(ogg_encoder_state));
/* Init state */
vorbis_info_init(&(state->info));
vorbis_encode_init_vbr(&(state->info), audio->channels, audio->rate, 0.4);
vorbis_analysis_init(&(state->vorbis_state), &(state->info));
vorbis_block_init(&(state->vorbis_state), &(state->vorbis_block));
vorbis_comment_init(&(state->comment));
vorbis_comment_add_tag(&(state->comment), "ENCODER", "libguac");
ogg_stream_init(&(state->ogg_state), rand());
/* Write headers */
{
ogg_packet header;
ogg_packet header_comm;
ogg_packet header_code;
vorbis_analysis_headerout(
&(state->vorbis_state),
&(state->comment),
&header, &header_comm, &header_code);
ogg_stream_packetin(&(state->ogg_state), &header);
ogg_stream_packetin(&(state->ogg_state), &header_comm);
ogg_stream_packetin(&(state->ogg_state), &header_code);
/* For each packet */
while (ogg_stream_flush(&(state->ogg_state), &(state->ogg_page)) != 0) {
/* Write packet header */
guac_audio_stream_write_encoded(audio,
state->ogg_page.header,
state->ogg_page.header_len);
/* Write packet body */
guac_audio_stream_write_encoded(audio,
state->ogg_page.body,
state->ogg_page.body_len);
}
}
audio->data = state;
}
void ogg_encoder_write_blocks(guac_audio_stream* audio) {
/* Get state */
ogg_encoder_state* state = (ogg_encoder_state*) audio->data;
while (vorbis_analysis_blockout(&(state->vorbis_state),
&(state->vorbis_block)) == 1) {
/* Analyze */
vorbis_analysis(&(state->vorbis_block), NULL);
vorbis_bitrate_addblock(&(state->vorbis_block));
/* Flush Ogg pages */
while (vorbis_bitrate_flushpacket(&(state->vorbis_state),
&(state->ogg_packet))) {
/* Weld packet into bitstream */
ogg_stream_packetin(&(state->ogg_state), &(state->ogg_packet));
/* Write out pages */
while (ogg_stream_pageout(&(state->ogg_state),
&(state->ogg_page)) != 0) {
/* Write packet header */
guac_audio_stream_write_encoded(audio,
state->ogg_page.header,
state->ogg_page.header_len);
/* Write packet body */
guac_audio_stream_write_encoded(audio,
state->ogg_page.body,
state->ogg_page.body_len);
if (ogg_page_eos(&(state->ogg_page)))
break;
}
}
}
}
void ogg_encoder_end_handler(guac_audio_stream* audio) {
/* Get state */
ogg_encoder_state* state = (ogg_encoder_state*) audio->data;
/* Write end-of-stream */
vorbis_analysis_wrote(&(state->vorbis_state), 0);
ogg_encoder_write_blocks(audio);
/* Clean up encoder */
ogg_stream_clear(&(state->ogg_state));
vorbis_block_clear(&(state->vorbis_block));
vorbis_dsp_clear(&(state->vorbis_state));
vorbis_comment_clear(&(state->comment));
vorbis_info_clear(&(state->info));
/* Free stream state */
free(audio->data);
}
void ogg_encoder_write_handler(guac_audio_stream* audio,
const unsigned char* pcm_data, int length) {
/* Get state */
ogg_encoder_state* state = (ogg_encoder_state*) audio->data;
/* Calculate samples */
int samples = length / audio->channels * 8 / audio->bps;
int i;
/* Get buffer */
float** buffer = vorbis_analysis_buffer(&(state->vorbis_state), samples);
signed char* readbuffer = (signed char*) pcm_data;
for (i=0; i<samples; i++) {
/* FIXME: For now, assume 2 channels, 16-bit */
int left = ((readbuffer[i*4+1]<<8)|(0x00ff&(int)readbuffer[i*4]));
int right = ((readbuffer[i*4+3]<<8)|(0x00ff&(int)readbuffer[i*4+2]));
/* Store sample in buffer */
buffer[0][i] = left / 32768.f;
buffer[1][i] = right / 32768.f;
}
/* Submit data */
vorbis_analysis_wrote(&(state->vorbis_state), samples);
/* Write data */
ogg_encoder_write_blocks(audio);
}
/* Encoder handlers */
guac_audio_encoder _ogg_encoder = {
.mimetype = "audio/ogg",
.begin_handler = ogg_encoder_begin_handler,
.write_handler = ogg_encoder_write_handler,
.end_handler = ogg_encoder_end_handler
};
/* Actual encoder */
guac_audio_encoder* ogg_encoder = &_ogg_encoder;

55
src/libguac/ogg_encoder.h
View File

@ -1,55 +0,0 @@
/*
* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef __GUAC_OGG_ENCODER_H
#define __GUAC_OGG_ENCODER_H
#include "config.h"
#include "audio.h"
#include <vorbis/vorbisenc.h>
typedef struct ogg_encoder_state {
/**
* Ogg state
*/
ogg_stream_state ogg_state;
ogg_page ogg_page;
ogg_packet ogg_packet;
/**
* Vorbis state
*/
vorbis_info info;
vorbis_comment comment;
vorbis_dsp_state vorbis_state;
vorbis_block vorbis_block;
} ogg_encoder_state;
extern guac_audio_encoder* ogg_encoder;
#endif