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replay_gain_info: allocate the struct statically 

Don't allocate each replay_gain_info object on the heap.  Those
objects who held a pointer now store a full replay_gain_info object.
This reduces the number of allocations and heap fragmentation.
This commit is contained in:
Max Kellermann 2010-02-14 20:36:31 +01:00
parent c05e6a1275
commit 5e0117b444
10 changed files with 71 additions and 133 deletions
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9
src/decoder/_flac_common.c
View File

@ -116,7 +116,7 @@ void flac_metadata_common_cb(const FLAC__StreamMetadata * block,
if (data->unsupported)
return;
struct replay_gain_info *rgi;
struct replay_gain_info rgi;
switch (block->type) {
case FLAC__METADATA_TYPE_STREAMINFO:
@ -124,11 +124,8 @@ void flac_metadata_common_cb(const FLAC__StreamMetadata * block,
break;
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
rgi = flac_parse_replay_gain(block);
if (rgi != NULL) {
decoder_replay_gain(data->decoder, rgi);
replay_gain_info_free(rgi);
}
if (flac_parse_replay_gain(&rgi, block))
decoder_replay_gain(data->decoder, &rgi);
if (data->tag != NULL)
flac_vorbis_comments_to_tag(data->tag, NULL,

15
src/decoder/flac_metadata.c
View File

@ -56,13 +56,13 @@ flac_find_float_comment(const FLAC__StreamMetadata *block,
return true;
}
struct replay_gain_info *
flac_parse_replay_gain(const FLAC__StreamMetadata *block)
bool
flac_parse_replay_gain(struct replay_gain_info *rgi,
const FLAC__StreamMetadata *block)
{
struct replay_gain_info *rgi;
bool found = false;
rgi = replay_gain_info_new();
replay_gain_info_init(rgi);
if (flac_find_float_comment(block, "replaygain_album_gain",
&rgi->tuples[REPLAY_GAIN_ALBUM].gain))
@ -77,12 +77,7 @@ flac_parse_replay_gain(const FLAC__StreamMetadata *block)
&rgi->tuples[REPLAY_GAIN_TRACK].peak))
found = true;
if (!found) {
replay_gain_info_free(rgi);
rgi = NULL;
}
return rgi;
return found;
}
/**

7
src/decoder/flac_metadata.h
View File

@ -20,9 +20,11 @@
#ifndef MPD_FLAC_METADATA_H
#define MPD_FLAC_METADATA_H
#include <stdbool.h>
#include <FLAC/metadata.h>
struct tag;
struct replay_gain_info;
static inline unsigned
flac_duration(const FLAC__StreamMetadata_StreamInfo *stream_info)
@ -31,8 +33,9 @@ flac_duration(const FLAC__StreamMetadata_StreamInfo *stream_info)
stream_info->sample_rate;
}
struct replay_gain_info *
flac_parse_replay_gain(const FLAC__StreamMetadata *block);
bool
flac_parse_replay_gain(struct replay_gain_info *rgi,
const FLAC__StreamMetadata *block);
void
flac_vorbis_comments_to_tag(struct tag *tag, const char *char_tnum,

39
src/decoder/mad_decoder_plugin.c
View File

@ -300,17 +300,17 @@ static int parse_rva2(struct id3_tag * tag, struct replay_gain_info * replay_gai
#endif
#ifdef HAVE_ID3TAG
static struct replay_gain_info *
parse_id3_replay_gain_info(struct id3_tag *tag)
static bool
parse_id3_replay_gain_info(struct replay_gain_info *replay_gain_info,
struct id3_tag *tag)
{
int i;
char *key;
char *value;
struct id3_frame *frame;
bool found = false;
struct replay_gain_info *replay_gain_info;
replay_gain_info = replay_gain_info_new();
replay_gain_info_init(replay_gain_info);
for (i = 0; (frame = id3_tag_findframe(tag, "TXXX", i)); i++) {
if (frame->nfields < 3)
@ -341,15 +341,9 @@ parse_id3_replay_gain_info(struct id3_tag *tag)
free(value);
}
if (!found) {
return found ||
/* fall back on RVA2 if no replaygain tags found */
found = parse_rva2(tag, replay_gain_info);
}
if (found)
return replay_gain_info;
replay_gain_info_free(replay_gain_info);
return NULL;
parse_rva2(tag, replay_gain_info);
}
#endif
@ -408,11 +402,9 @@ static void mp3_parse_id3(struct mp3_data *data, size_t tagsize,
}
if (data->decoder != NULL) {
struct replay_gain_info *tmp_rgi =
parse_id3_replay_gain_info(id3_tag);
if (tmp_rgi != NULL) {
decoder_replay_gain(data->decoder, tmp_rgi);
replay_gain_info_free(tmp_rgi);
struct replay_gain_info rgi;
if (parse_id3_replay_gain_info(&rgi, id3_tag)) {
decoder_replay_gain(data->decoder, &rgi);
data->found_replay_gain = true;
}
}
@ -879,15 +871,14 @@ mp3_decode_first_frame(struct mp3_data *data, struct tag **tag)
if (data->decoder != NULL &&
!data->found_replay_gain &&
lame.track_gain) {
struct replay_gain_info *rgi
= replay_gain_info_new();
rgi->tuples[REPLAY_GAIN_TRACK].gain = lame.track_gain;
rgi->tuples[REPLAY_GAIN_TRACK].peak = lame.peak;
decoder_replay_gain(data->decoder, rgi);
replay_gain_info_free(rgi);
struct replay_gain_info rgi;
replay_gain_info_init(&rgi);
rgi.tuples[REPLAY_GAIN_TRACK].gain = lame.track_gain;
rgi.tuples[REPLAY_GAIN_TRACK].peak = lame.peak;
decoder_replay_gain(data->decoder, &rgi);
}
}
}
}
if (!data->max_frames)
return false;

15
src/decoder/mpcdec_decoder_plugin.c
View File

@ -154,7 +154,6 @@ mpcdec_decode(struct decoder *mpd_decoder, struct input_stream *is)
long bit_rate = 0;
mpc_uint32_t vbr_update_acc;
mpc_uint32_t vbr_update_bits;
struct replay_gain_info *replay_gain_info = NULL;
enum decoder_command cmd = DECODE_COMMAND_NONE;
data.is = is;
@ -205,13 +204,13 @@ mpcdec_decode(struct decoder *mpd_decoder, struct input_stream *is)
return;
}
replay_gain_info = replay_gain_info_new();
replay_gain_info->tuples[REPLAY_GAIN_ALBUM].gain = info.gain_album * 0.01;
replay_gain_info->tuples[REPLAY_GAIN_ALBUM].peak = info.peak_album / 32767.0;
replay_gain_info->tuples[REPLAY_GAIN_TRACK].gain = info.gain_title * 0.01;
replay_gain_info->tuples[REPLAY_GAIN_TRACK].peak = info.peak_title / 32767.0;
decoder_replay_gain(mpd_decoder, replay_gain_info);
replay_gain_info_free(replay_gain_info);
struct replay_gain_info replay_gain_info;
replay_gain_info_init(&replay_gain_info);
replay_gain_info.tuples[REPLAY_GAIN_ALBUM].gain = info.gain_album * 0.01;
replay_gain_info.tuples[REPLAY_GAIN_ALBUM].peak = info.peak_album / 32767.0;
replay_gain_info.tuples[REPLAY_GAIN_TRACK].gain = info.gain_title * 0.01;
replay_gain_info.tuples[REPLAY_GAIN_TRACK].peak = info.peak_title / 32767.0;
decoder_replay_gain(mpd_decoder, &replay_gain_info);
decoder_initialized(mpd_decoder, &audio_format,
is->seekable,

24
src/decoder/vorbis_decoder_plugin.c
View File

@ -134,14 +134,13 @@ vorbis_comment_value(const char *comment, const char *needle)
return NULL;
}
static struct replay_gain_info *
vorbis_comments_to_replay_gain(char **comments)
static bool
vorbis_comments_to_replay_gain(struct replay_gain_info *rgi, char **comments)
{
struct replay_gain_info *rgi;
const char *temp;
bool found = false;
rgi = replay_gain_info_new();
replay_gain_info_init(rgi);
while (*comments) {
if ((temp =
@ -165,12 +164,7 @@ vorbis_comments_to_replay_gain(char **comments)
comments++;
}
if (!found) {
replay_gain_info_free(rgi);
rgi = NULL;
}
return rgi;
return found;
}
static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber";
@ -334,7 +328,6 @@ vorbis_stream_decode(struct decoder *decoder,
if (current_section != prev_section) {
char **comments;
struct replay_gain_info *new_rgi;
vi = ov_info(&vf, -1);
if (vi == NULL) {
@ -352,11 +345,10 @@ vorbis_stream_decode(struct decoder *decoder,
comments = ov_comment(&vf, -1)->user_comments;
vorbis_send_comments(decoder, input_stream, comments);
new_rgi = vorbis_comments_to_replay_gain(comments);
if (new_rgi != NULL) {
decoder_replay_gain(decoder, new_rgi);
replay_gain_info_free(new_rgi);
}
struct replay_gain_info rgi;
if (vorbis_comments_to_replay_gain(&rgi, comments))
decoder_replay_gain(decoder, &rgi);
prev_section = current_section;
}

25
src/decoder/wavpack_decoder_plugin.c
View File

@ -256,13 +256,13 @@ wavpack_tag_float(WavpackContext *wpc, const char *key, float *value_r)
return true;
}
static struct replay_gain_info *
wavpack_replaygain(WavpackContext *wpc)
static bool
wavpack_replaygain(struct replay_gain_info *replay_gain_info,
WavpackContext *wpc)
{
struct replay_gain_info *replay_gain_info;
bool found = false;
replay_gain_info = replay_gain_info_new();
replay_gain_info_init(replay_gain_info);
found |= wavpack_tag_float(
wpc, "replaygain_track_gain",
@ -281,13 +281,7 @@ wavpack_replaygain(WavpackContext *wpc)
&replay_gain_info->tuples[REPLAY_GAIN_ALBUM].peak
);
if (found) {
return replay_gain_info;
}
replay_gain_info_free(replay_gain_info);
return NULL;
return found;
}
/*
@ -554,7 +548,6 @@ wavpack_filedecode(struct decoder *decoder, const char *fname)
{
char error[ERRORLEN];
WavpackContext *wpc;
struct replay_gain_info *replay_gain_info;
wpc = WavpackOpenFileInput(
fname, error,
@ -568,11 +561,9 @@ wavpack_filedecode(struct decoder *decoder, const char *fname)
return;
}
replay_gain_info = wavpack_replaygain(wpc);
if (replay_gain_info != NULL) {
decoder_replay_gain(decoder, replay_gain_info);
replay_gain_info_free(replay_gain_info);
}
struct replay_gain_info replay_gain_info;
if (wavpack_replaygain(&replay_gain_info, wpc))
decoder_replay_gain(decoder, &replay_gain_info);
wavpack_decode(decoder, wpc, true);

27
src/replay_gain_info.c
View File

@ -20,33 +20,6 @@
#include "config.h"
#include "replay_gain_info.h"
#include <glib.h>
struct replay_gain_info *
replay_gain_info_new(void)
{
struct replay_gain_info *ret = g_new(struct replay_gain_info, 1);
for (unsigned i = 0; i < G_N_ELEMENTS(ret->tuples); ++i) {
ret->tuples[i].gain = INFINITY;
ret->tuples[i].peak = 0.0;
}
return ret;
}
struct replay_gain_info *
replay_gain_info_dup(const struct replay_gain_info *src)
{
return g_memdup(src, sizeof(*src));
}
void
replay_gain_info_free(struct replay_gain_info *info)
{
g_free(info);
}
float
replay_gain_tuple_scale(const struct replay_gain_tuple *tuple, float preamp)
{

22
src/replay_gain_info.h
View File

@ -40,17 +40,19 @@ struct replay_gain_info {
struct replay_gain_tuple tuples[2];
};
struct replay_gain_info *
replay_gain_info_new(void);
static inline void
replay_gain_tuple_init(struct replay_gain_tuple *tuple)
{
tuple->gain = INFINITY;
tuple->peak = 0.0;
}
/**
* Duplicate a #replay_gain_info object.
*/
struct replay_gain_info *
replay_gain_info_dup(const struct replay_gain_info *src);
void
replay_gain_info_free(struct replay_gain_info *info);
static inline void
replay_gain_info_init(struct replay_gain_info *info)
{
replay_gain_tuple_init(&info->tuples[REPLAY_GAIN_ALBUM]);
replay_gain_tuple_init(&info->tuples[REPLAY_GAIN_TRACK]);
}
static inline bool
replay_gain_tuple_defined(const struct replay_gain_tuple *tuple)

21
src/replay_gain_state.c
View File

@ -30,7 +30,7 @@ struct replay_gain_state {
enum replay_gain_mode mode;
struct replay_gain_info *info;
struct replay_gain_info info;
float scale;
};
@ -43,7 +43,7 @@ replay_gain_state_new(float preamp, float missing_preamp)
state->preamp = preamp;
state->scale = state->missing_preamp = missing_preamp;
state->mode = REPLAY_GAIN_OFF;
state->info = NULL;
replay_gain_info_init(&state->info);
return state;
}
@ -53,9 +53,6 @@ replay_gain_state_free(struct replay_gain_state *state)
{
assert(state != NULL);
if (state->info != NULL)
replay_gain_info_free(state->info);
g_free(state);
}
@ -64,11 +61,11 @@ replay_gain_state_calc_scale(struct replay_gain_state *state)
{
assert(state != NULL);
if (state->mode == REPLAY_GAIN_OFF || state->info == NULL)
if (state->mode == REPLAY_GAIN_OFF)
return;
const struct replay_gain_tuple *tuple =
&state->info->tuples[state->mode];
&state->info.tuples[state->mode];
if (replay_gain_tuple_defined(tuple)) {
g_debug("computing ReplayGain scale with gain %f, peak %f",
tuple->gain, tuple->peak);
@ -98,12 +95,10 @@ replay_gain_state_set_info(struct replay_gain_state *state,
{
assert(state != NULL);
if (state->info != NULL)
replay_gain_info_free(state->info);
state->info = info != NULL
? replay_gain_info_dup(info)
: NULL;
if (info != NULL)
state->info = *info;
else
replay_gain_info_init(&state->info);
replay_gain_state_calc_scale(state);
}