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avfilter/f_graphmonitor: cache strlen() values

This commit is contained in:
Paul B Mahol 2023-05-21 14:15:15 +02:00
parent f055345595
commit 416c1e62f1
1 changed files with 79 additions and 73 deletions
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152
libavfilter/f_graphmonitor.c
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@ -177,7 +177,8 @@ static void clear_image(GraphMonitorContext *s, AVFrame *out, AVFilterLink *outl
} }
} }
static void drawtext(AVFrame *pic, int x, int y, const char *txt, uint8_t *color) static void drawtext(AVFrame *pic, int x, int y, const char *txt,
const int len, uint8_t *color)
{ {
const uint8_t *font; const uint8_t *font;
int font_height; int font_height;
@ -186,7 +187,7 @@ static void drawtext(AVFrame *pic, int x, int y, const char *txt, uint8_t *color
font = avpriv_cga_font, font_height = 8; font = avpriv_cga_font, font_height = 8;
if (y + 8 >= pic->height || if (y + 8 >= pic->height ||
x + strlen(txt) * 8 >= pic->width) x + len * 8 >= pic->width)
return; return;
for (i = 0; txt[i]; i++) { for (i = 0; txt[i]; i++) {
@ -260,108 +261,109 @@ static int draw_items(AVFilterContext *ctx,
const int flags = s->flags; const int flags = s->flags;
const int mode = s->mode; const int mode = s->mode;
char buffer[1024] = { 0 }; char buffer[1024] = { 0 };
int len = 0;
if (flags & FLAG_FMT) { if (flags & FLAG_FMT) {
if (l->type == AVMEDIA_TYPE_VIDEO) { if (l->type == AVMEDIA_TYPE_VIDEO) {
snprintf(buffer, sizeof(buffer)-1, " | format: %s", len = snprintf(buffer, sizeof(buffer)-1, " | format: %s",
av_get_pix_fmt_name(l->format)); av_get_pix_fmt_name(l->format));
} else if (l->type == AVMEDIA_TYPE_AUDIO) { } else if (l->type == AVMEDIA_TYPE_AUDIO) {
snprintf(buffer, sizeof(buffer)-1, " | format: %s", len = snprintf(buffer, sizeof(buffer)-1, " | format: %s",
av_get_sample_fmt_name(l->format)); av_get_sample_fmt_name(l->format));
} }
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if (flags & FLAG_SIZE) { if (flags & FLAG_SIZE) {
if (l->type == AVMEDIA_TYPE_VIDEO) { if (l->type == AVMEDIA_TYPE_VIDEO) {
snprintf(buffer, sizeof(buffer)-1, " | size: %dx%d", l->w, l->h); len = snprintf(buffer, sizeof(buffer)-1, " | size: %dx%d", l->w, l->h);
} else if (l->type == AVMEDIA_TYPE_AUDIO) { } else if (l->type == AVMEDIA_TYPE_AUDIO) {
snprintf(buffer, sizeof(buffer)-1, " | channels: %d", l->ch_layout.nb_channels); len = snprintf(buffer, sizeof(buffer)-1, " | channels: %d", l->ch_layout.nb_channels);
} }
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if (flags & FLAG_RATE) { if (flags & FLAG_RATE) {
if (l->type == AVMEDIA_TYPE_VIDEO) { if (l->type == AVMEDIA_TYPE_VIDEO) {
snprintf(buffer, sizeof(buffer)-1, " | fps: %d/%d", l->frame_rate.num, l->frame_rate.den); len = snprintf(buffer, sizeof(buffer)-1, " | fps: %d/%d", l->frame_rate.num, l->frame_rate.den);
} else if (l->type == AVMEDIA_TYPE_AUDIO) { } else if (l->type == AVMEDIA_TYPE_AUDIO) {
snprintf(buffer, sizeof(buffer)-1, " | samplerate: %d", l->sample_rate); len = snprintf(buffer, sizeof(buffer)-1, " | samplerate: %d", l->sample_rate);
} }
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if (flags & FLAG_TB) { if (flags & FLAG_TB) {
snprintf(buffer, sizeof(buffer)-1, " | tb: %d/%d", l->time_base.num, l->time_base.den); len = snprintf(buffer, sizeof(buffer)-1, " | tb: %d/%d", l->time_base.num, l->time_base.den);
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_QUEUE) && (!(mode & MODE_NOZERO) || frames)) { if ((flags & FLAG_QUEUE) && (!(mode & MODE_NOZERO) || frames)) {
snprintf(buffer, sizeof(buffer)-1, " | queue: "); len = snprintf(buffer, sizeof(buffer)-1, " | queue: ");
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
snprintf(buffer, sizeof(buffer)-1, "%"SIZE_SPECIFIER, frames); len = snprintf(buffer, sizeof(buffer)-1, "%"SIZE_SPECIFIER, frames);
drawtext(out, xpos, ypos, buffer, frames > 0 ? frames >= 10 ? frames >= 50 ? s->red : s->yellow : s->green : s->white); drawtext(out, xpos, ypos, buffer, len, frames > 0 ? frames >= 10 ? frames >= 50 ? s->red : s->yellow : s->green : s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_FCIN) && (!(mode & MODE_NOZERO) || l->frame_count_in)) { if ((flags & FLAG_FCIN) && (!(mode & MODE_NOZERO) || l->frame_count_in)) {
snprintf(buffer, sizeof(buffer)-1, " | in: %"PRId64, l->frame_count_in); len = snprintf(buffer, sizeof(buffer)-1, " | in: %"PRId64, l->frame_count_in);
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_FCOUT) && (!(mode & MODE_NOZERO) || l->frame_count_out)) { if ((flags & FLAG_FCOUT) && (!(mode & MODE_NOZERO) || l->frame_count_out)) {
snprintf(buffer, sizeof(buffer)-1, " | out: %"PRId64, l->frame_count_out); len = snprintf(buffer, sizeof(buffer)-1, " | out: %"PRId64, l->frame_count_out);
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_FC_DELTA) && (!(mode & MODE_NOZERO) || (l->frame_count_in - l->frame_count_out))) { if ((flags & FLAG_FC_DELTA) && (!(mode & MODE_NOZERO) || (l->frame_count_in - l->frame_count_out))) {
snprintf(buffer, sizeof(buffer)-1, " | delta: %"PRId64, l->frame_count_in - l->frame_count_out); len = snprintf(buffer, sizeof(buffer)-1, " | delta: %"PRId64, l->frame_count_in - l->frame_count_out);
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_SCIN) && (!(mode & MODE_NOZERO) || l->sample_count_in)) { if ((flags & FLAG_SCIN) && (!(mode & MODE_NOZERO) || l->sample_count_in)) {
snprintf(buffer, sizeof(buffer)-1, " | sin: %"PRId64, l->sample_count_in); len = snprintf(buffer, sizeof(buffer)-1, " | sin: %"PRId64, l->sample_count_in);
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_SCOUT) && (!(mode & MODE_NOZERO) || l->sample_count_out)) { if ((flags & FLAG_SCOUT) && (!(mode & MODE_NOZERO) || l->sample_count_out)) {
snprintf(buffer, sizeof(buffer)-1, " | sout: %"PRId64, l->sample_count_out); len = snprintf(buffer, sizeof(buffer)-1, " | sout: %"PRId64, l->sample_count_out);
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_SC_DELTA) && (!(mode & MODE_NOZERO) || (l->sample_count_in - l->sample_count_out))) { if ((flags & FLAG_SC_DELTA) && (!(mode & MODE_NOZERO) || (l->sample_count_in - l->sample_count_out))) {
snprintf(buffer, sizeof(buffer)-1, " | sdelta: %"PRId64, l->sample_count_in - l->sample_count_out); len = snprintf(buffer, sizeof(buffer)-1, " | sdelta: %"PRId64, l->sample_count_in - l->sample_count_out);
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_PTS) && (!(mode & MODE_NOZERO) || current_pts_us)) { if ((flags & FLAG_PTS) && (!(mode & MODE_NOZERO) || current_pts_us)) {
snprintf(buffer, sizeof(buffer)-1, " | pts: %s", av_ts2str(current_pts_us)); len = snprintf(buffer, sizeof(buffer)-1, " | pts: %s", av_ts2str(current_pts_us));
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_PTS_DELTA) && (!(mode & MODE_NOZERO) || (current_pts_us - previous_pts_us))) { if ((flags & FLAG_PTS_DELTA) && (!(mode & MODE_NOZERO) || (current_pts_us - previous_pts_us))) {
snprintf(buffer, sizeof(buffer)-1, " | pts_delta: %s", av_ts2str(current_pts_us - previous_pts_us)); len = snprintf(buffer, sizeof(buffer)-1, " | pts_delta: %s", av_ts2str(current_pts_us - previous_pts_us));
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_TIME) && (!(mode & MODE_NOZERO) || current_pts_us)) { if ((flags & FLAG_TIME) && (!(mode & MODE_NOZERO) || current_pts_us)) {
snprintf(buffer, sizeof(buffer)-1, " | time: %s", av_ts2timestr(current_pts_us, &AV_TIME_BASE_Q)); len = snprintf(buffer, sizeof(buffer)-1, " | time: %s", av_ts2timestr(current_pts_us, &AV_TIME_BASE_Q));
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_TIME_DELTA) && (!(mode & MODE_NOZERO) || (current_pts_us - previous_pts_us))) { if ((flags & FLAG_TIME_DELTA) && (!(mode & MODE_NOZERO) || (current_pts_us - previous_pts_us))) {
snprintf(buffer, sizeof(buffer)-1, " | time_delta: %s", av_ts2timestr(current_pts_us - previous_pts_us, &AV_TIME_BASE_Q)); len = snprintf(buffer, sizeof(buffer)-1, " | time_delta: %s", av_ts2timestr(current_pts_us - previous_pts_us, &AV_TIME_BASE_Q));
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_EOF) && ff_outlink_get_status(l)) { if ((flags & FLAG_EOF) && ff_outlink_get_status(l)) {
snprintf(buffer, sizeof(buffer)-1, " | eof"); len = snprintf(buffer, sizeof(buffer)-1, " | eof");
drawtext(out, xpos, ypos, buffer, s->blue); drawtext(out, xpos, ypos, buffer, len, s->blue);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
if ((flags & FLAG_DISABLED) && filter->is_disabled) { if ((flags & FLAG_DISABLED) && filter->is_disabled) {
snprintf(buffer, sizeof(buffer)-1, " | off"); len = snprintf(buffer, sizeof(buffer)-1, " | off");
drawtext(out, xpos, ypos, buffer, s->gray); drawtext(out, xpos, ypos, buffer, len, s->gray);
xpos += strlen(buffer) * 8; xpos += len * 8;
} }
s->cache[s->cache_index].previous_pts_us = l->current_pts_us; s->cache[s->cache_index].previous_pts_us = l->current_pts_us;
@ -383,7 +385,7 @@ static int create_frame(AVFilterContext *ctx, int64_t pts)
GraphMonitorContext *s = ctx->priv; GraphMonitorContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0]; AVFilterLink *outlink = ctx->outputs[0];
AVFrame *out; AVFrame *out;
int ret, xpos, ypos = 0; int ret, len, xpos, ypos = 0;
out = ff_get_video_buffer(outlink, outlink->w, outlink->h); out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) if (!out)
@ -407,9 +409,11 @@ static int create_frame(AVFilterContext *ctx, int64_t pts)
continue; continue;
xpos = 0; xpos = 0;
drawtext(out, xpos, ypos, filter->name, s->white); len = strlen(filter->name);
xpos += strlen(filter->name) * 8 + 10; drawtext(out, xpos, ypos, filter->name, len, s->white);
drawtext(out, xpos, ypos, filter->filter->name, s->white); xpos += len * 8 + 10;
len = strlen(filter->filter->name);
drawtext(out, xpos, ypos, filter->filter->name, len, s->white);
ypos += 10; ypos += 10;
for (int j = 0; j < filter->nb_inputs; j++) { for (int j = 0; j < filter->nb_inputs; j++) {
AVFilterLink *l = filter->inputs[j]; AVFilterLink *l = filter->inputs[j];
@ -422,11 +426,12 @@ static int create_frame(AVFilterContext *ctx, int64_t pts)
continue; continue;
xpos = 10; xpos = 10;
snprintf(buffer, sizeof(buffer)-1, "in%d: ", j); len = snprintf(buffer, sizeof(buffer)-1, "in%d: ", j);
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
drawtext(out, xpos, ypos, l->src->name, s->white); len = strlen(l->src->name);
xpos += strlen(l->src->name) * 8 + 10; drawtext(out, xpos, ypos, l->src->name, len, s->white);
xpos += len * 8 + 10;
ret = draw_items(ctx, filter, out, xpos, ypos, l, frames); ret = draw_items(ctx, filter, out, xpos, ypos, l, frames);
if (ret < 0) if (ret < 0)
goto error; goto error;
@ -445,11 +450,12 @@ static int create_frame(AVFilterContext *ctx, int64_t pts)
continue; continue;
xpos = 10; xpos = 10;
snprintf(buffer, sizeof(buffer)-1, "out%d: ", j); len = snprintf(buffer, sizeof(buffer)-1, "out%d: ", j);
drawtext(out, xpos, ypos, buffer, s->white); drawtext(out, xpos, ypos, buffer, len, s->white);
xpos += strlen(buffer) * 8; xpos += len * 8;
drawtext(out, xpos, ypos, l->dst->name, s->white); len = strlen(l->dst->name);
xpos += strlen(l->dst->name) * 8 + 10; drawtext(out, xpos, ypos, l->dst->name, len, s->white);
xpos += len * 8 + 10;
ret = draw_items(ctx, filter, out, xpos, ypos, l, frames); ret = draw_items(ctx, filter, out, xpos, ypos, l, frames);
if (ret < 0) if (ret < 0)
goto error; goto error;