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Code Issues Releases Activity

avfilter/firequalizer: optimize gain/gain_entry command

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do not rebuild when gain/gain_entry command are
equal with old gain/gain_entry

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
This commit is contained in:
Muhammad Faiz 2016-10-17 06:12:18 +07:00
parent df9b151a1b
commit 92de89d14a
1 changed files with 16 additions and 4 deletions
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20
libavfilter/af_firequalizer.c
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@ -453,6 +453,9 @@ static int generate_kernel(AVFilterContext *ctx, const char *gain, const char *g
return 0; return 0;
} }
#define SELECT_GAIN(s) (s->gain_cmd ? s->gain_cmd : s->gain)
#define SELECT_GAIN_ENTRY(s) (s->gain_entry_cmd ? s->gain_entry_cmd : s->gain_entry)
static int config_input(AVFilterLink *inlink) static int config_input(AVFilterLink *inlink)
{ {
AVFilterContext *ctx = inlink->dst; AVFilterContext *ctx = inlink->dst;
@ -510,8 +513,7 @@ static int config_input(AVFilterLink *inlink)
if (s->fixed) if (s->fixed)
inlink->min_samples = inlink->max_samples = inlink->partial_buf_size = s->nsamples_max; inlink->min_samples = inlink->max_samples = inlink->partial_buf_size = s->nsamples_max;
return generate_kernel(ctx, s->gain_cmd ? s->gain_cmd : s->gain, return generate_kernel(ctx, SELECT_GAIN(s), SELECT_GAIN_ENTRY(s));
s->gain_entry_cmd ? s->gain_entry_cmd : s->gain_entry);
} }
static int filter_frame(AVFilterLink *inlink, AVFrame *frame) static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
@ -567,11 +569,16 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar
if (!strcmp(cmd, "gain")) { if (!strcmp(cmd, "gain")) {
char *gain_cmd; char *gain_cmd;
if (SELECT_GAIN(s) && !strcmp(SELECT_GAIN(s), args)) {
av_log(ctx, AV_LOG_DEBUG, "equal gain, do not rebuild.\n");
return 0;
}
gain_cmd = av_strdup(args); gain_cmd = av_strdup(args);
if (!gain_cmd) if (!gain_cmd)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
ret = generate_kernel(ctx, gain_cmd, s->gain_entry_cmd ? s->gain_entry_cmd : s->gain_entry); ret = generate_kernel(ctx, gain_cmd, SELECT_GAIN_ENTRY(s));
if (ret >= 0) { if (ret >= 0) {
av_freep(&s->gain_cmd); av_freep(&s->gain_cmd);
s->gain_cmd = gain_cmd; s->gain_cmd = gain_cmd;
@ -581,11 +588,16 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar
} else if (!strcmp(cmd, "gain_entry")) { } else if (!strcmp(cmd, "gain_entry")) {
char *gain_entry_cmd; char *gain_entry_cmd;
if (SELECT_GAIN_ENTRY(s) && !strcmp(SELECT_GAIN_ENTRY(s), args)) {
av_log(ctx, AV_LOG_DEBUG, "equal gain_entry, do not rebuild.\n");
return 0;
}
gain_entry_cmd = av_strdup(args); gain_entry_cmd = av_strdup(args);
if (!gain_entry_cmd) if (!gain_entry_cmd)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
ret = generate_kernel(ctx, s->gain_cmd ? s->gain_cmd : s->gain, gain_entry_cmd); ret = generate_kernel(ctx, SELECT_GAIN(s), gain_entry_cmd);
if (ret >= 0) { if (ret >= 0) {
av_freep(&s->gain_entry_cmd); av_freep(&s->gain_entry_cmd);
s->gain_entry_cmd = gain_entry_cmd; s->gain_entry_cmd = gain_entry_cmd;