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shout: added struct _ogg_vorbis_data 

Preparing the merge of Eric Wollesen's patch "Refactor and cleanup of
shout Ogg and MP3 audio outputs": we declare one of the struct types
here, to make the merge smoother.
This commit is contained in:
Max Kellermann 2008-09-12 15:59:55 +02:00
parent f482f83eb8
commit 1333c39244
2 changed files with 73 additions and 56 deletions
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12
src/audioOutputs/audioOutput_shout.h
View File

@ -35,10 +35,7 @@ typedef struct _shout_buffer {
size_t max_len;
} shout_buffer;
struct shout_data {
shout_t *shout_conn;
int shout_error;
typedef struct _ogg_vorbis_data {
ogg_stream_state os;
ogg_page og;
ogg_packet op;
@ -50,6 +47,13 @@ struct shout_data {
vorbis_block vb;
vorbis_info vi;
vorbis_comment vc;
} ogg_vorbis_data;
struct shout_data {
shout_t *shout_conn;
int shout_error;
ogg_vorbis_data od;
float quality;
int bitrate;

117
src/audioOutputs/audioOutput_shout_ogg.c
View File

@ -22,30 +22,32 @@
#include "../utils.h"
static void add_tag(struct shout_data *sd, const char *name, char *value)
static void add_tag(ogg_vorbis_data *od, const char *name, char *value)
{
if (value) {
union const_hack u;
u.in = name;
vorbis_comment_add_tag(&(sd->vc), u.out, value);
vorbis_comment_add_tag(&od->vc, u.out, value);
}
}
void copy_tag_to_vorbis_comment(struct shout_data *sd)
{
ogg_vorbis_data *od = &sd->od;
if (sd->tag) {
int i;
for (i = 0; i < sd->tag->numOfItems; i++) {
switch (sd->tag->items[i]->type) {
case TAG_ITEM_ARTIST:
add_tag(sd, "ARTIST", sd->tag->items[i]->value);
add_tag(od, "ARTIST", sd->tag->items[i]->value);
break;
case TAG_ITEM_ALBUM:
add_tag(sd, "ALBUM", sd->tag->items[i]->value);
add_tag(od, "ALBUM", sd->tag->items[i]->value);
break;
case TAG_ITEM_TITLE:
add_tag(sd, "TITLE", sd->tag->items[i]->value);
add_tag(od, "TITLE", sd->tag->items[i]->value);
break;
default:
break;
@ -81,85 +83,92 @@ static int copy_ogg_buffer_to_shout_buffer(ogg_page *og,
static int flush_ogg_buffer(struct shout_data *sd)
{
shout_buffer *buf = &sd->buf;
ogg_vorbis_data *od = &sd->od;
int ret = 0;
if (ogg_stream_flush(&sd->os, &sd->og))
ret = copy_ogg_buffer_to_shout_buffer(&sd->og, buf);
if (ogg_stream_flush(&od->os, &od->og))
ret = copy_ogg_buffer_to_shout_buffer(&od->og, buf);
return ret;
}
int send_ogg_vorbis_header(struct shout_data *sd)
{
vorbis_analysis_headerout(&(sd->vd), &(sd->vc), &(sd->header_main),
&(sd->header_comments),
&(sd->header_codebooks));
ogg_vorbis_data *od = &sd->od;
ogg_stream_packetin(&(sd->os), &(sd->header_main));
ogg_stream_packetin(&(sd->os), &(sd->header_comments));
ogg_stream_packetin(&(sd->os), &(sd->header_codebooks));
vorbis_analysis_headerout(&od->vd, &od->vc,
&od->header_main,
&od->header_comments,
&od->header_codebooks);
ogg_stream_packetin(&od->os, &od->header_main);
ogg_stream_packetin(&od->os, &od->header_comments);
ogg_stream_packetin(&od->os, &od->header_codebooks);
return flush_ogg_buffer(sd);
}
static void finish_encoder(struct shout_data *sd)
static void finish_encoder(ogg_vorbis_data *od)
{
vorbis_analysis_wrote(&sd->vd, 0);
vorbis_analysis_wrote(&od->vd, 0);
while (vorbis_analysis_blockout(&sd->vd, &sd->vb) == 1) {
vorbis_analysis(&sd->vb, NULL);
vorbis_bitrate_addblock(&sd->vb);
while (vorbis_bitrate_flushpacket(&sd->vd, &sd->op)) {
ogg_stream_packetin(&sd->os, &sd->op);
while (vorbis_analysis_blockout(&od->vd, &od->vb) == 1) {
vorbis_analysis(&od->vb, NULL);
vorbis_bitrate_addblock(&od->vb);
while (vorbis_bitrate_flushpacket(&od->vd, &od->op)) {
ogg_stream_packetin(&od->os, &od->op);
}
}
}
int shout_ogg_encoder_clear_encoder(struct shout_data *sd)
{
ogg_vorbis_data *od = &sd->od;
int ret;
finish_encoder(sd);
if ((ret = ogg_stream_pageout(&sd->os, &sd->og)))
copy_ogg_buffer_to_shout_buffer(&sd->og, &sd->buf);
finish_encoder(od);
if ((ret = ogg_stream_pageout(&od->os, &od->og)))
copy_ogg_buffer_to_shout_buffer(&od->og, &sd->buf);
vorbis_comment_clear(&sd->vc);
ogg_stream_clear(&sd->os);
vorbis_block_clear(&sd->vb);
vorbis_dsp_clear(&sd->vd);
vorbis_info_clear(&sd->vi);
vorbis_comment_clear(&od->vc);
ogg_stream_clear(&od->os);
vorbis_block_clear(&od->vb);
vorbis_dsp_clear(&od->vd);
vorbis_info_clear(&od->vi);
return ret;
}
static int reinit_encoder(struct shout_data *sd)
{
vorbis_info_init(&(sd->vi));
ogg_vorbis_data *od = &sd->od;
vorbis_info_init(&od->vi);
if (sd->quality >= -1.0) {
if (0 != vorbis_encode_init_vbr(&(sd->vi),
if (0 != vorbis_encode_init_vbr(&od->vi,
sd->audio_format.channels,
sd->audio_format.sampleRate,
sd->quality * 0.1)) {
ERROR("problem setting up vorbis encoder for shout\n");
vorbis_info_clear(&(sd->vi));
vorbis_info_clear(&od->vi);
return -1;
}
} else {
if (0 != vorbis_encode_init(&(sd->vi),
if (0 != vorbis_encode_init(&od->vi,
sd->audio_format.channels,
sd->audio_format.sampleRate, -1.0,
sd->bitrate * 1000, -1.0)) {
ERROR("problem setting up vorbis encoder for shout\n");
vorbis_info_clear(&(sd->vi));
vorbis_info_clear(&od->vi);
return -1;
}
}
vorbis_analysis_init(&(sd->vd), &(sd->vi));
vorbis_block_init(&(sd->vd), &(sd->vb));
ogg_stream_init(&(sd->os), rand());
vorbis_comment_init(&(sd->vc));
vorbis_analysis_init(&od->vd, &od->vi);
vorbis_block_init(&od->vd, &od->vb);
ogg_stream_init(&od->os, rand());
vorbis_comment_init(&od->vc);
return 0;
}
@ -179,19 +188,22 @@ int init_encoder(struct shout_data *sd)
int shout_ogg_encoder_send_metadata(struct shout_data * sd)
{
ogg_vorbis_data *od = &sd->od;
shout_ogg_encoder_clear_encoder(sd);
if (reinit_encoder(sd))
return 0;
copy_tag_to_vorbis_comment(sd);
vorbis_analysis_headerout(&(sd->vd), &(sd->vc), &(sd->header_main),
&(sd->header_comments),
&(sd->header_codebooks));
vorbis_analysis_headerout(&od->vd, &od->vc,
&od->header_main,
&od->header_comments,
&od->header_codebooks);
ogg_stream_packetin(&(sd->os), &(sd->header_main));
ogg_stream_packetin(&(sd->os), &(sd->header_comments));
ogg_stream_packetin(&(sd->os), &(sd->header_codebooks));
ogg_stream_packetin(&od->os, &od->header_main);
ogg_stream_packetin(&od->os, &od->header_comments);
ogg_stream_packetin(&od->os, &od->header_codebooks);
flush_ogg_buffer(sd);
@ -207,9 +219,10 @@ void shout_ogg_encoder_encode(struct shout_data *sd,
float **vorbbuf;
unsigned int samples;
int bytes = sd->audio_format.bits / 8;
ogg_vorbis_data *od = &sd->od;
samples = size / (bytes * sd->audio_format.channels);
vorbbuf = vorbis_analysis_buffer(&(sd->vd), samples);
vorbbuf = vorbis_analysis_buffer(&od->vd, samples);
/* this is for only 16-bit audio */
@ -220,19 +233,19 @@ void shout_ogg_encoder_encode(struct shout_data *sd,
}
}
vorbis_analysis_wrote(&(sd->vd), samples);
vorbis_analysis_wrote(&od->vd, samples);
while (1 == vorbis_analysis_blockout(&(sd->vd), &(sd->vb))) {
vorbis_analysis(&(sd->vb), NULL);
vorbis_bitrate_addblock(&(sd->vb));
while (1 == vorbis_analysis_blockout(&od->vd, &od->vb)) {
vorbis_analysis(&od->vb, NULL);
vorbis_bitrate_addblock(&od->vb);
while (vorbis_bitrate_flushpacket(&(sd->vd), &(sd->op))) {
ogg_stream_packetin(&(sd->os), &(sd->op));
while (vorbis_bitrate_flushpacket(&od->vd, &od->op)) {
ogg_stream_packetin(&od->os, &od->op);
}
}
if (ogg_stream_pageout(&sd->os, &sd->og))
copy_ogg_buffer_to_shout_buffer(&sd->og, buf);
if (ogg_stream_pageout(&od->os, &od->og))
copy_ogg_buffer_to_shout_buffer(&od->og, buf);
}
#endif