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ffmpeg
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fate: teach videogen/rotozoom to output a single raw video stream 

This makes videogen/rotozoom output a raw video stream on stdout
if no output directory is specified.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2012-05-17 15:55:14 +01:00
parent e999b641df
commit 7e5880e0cb
4 changed files with 49 additions and 18 deletions
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2
tests/Makefile
View File

@ -14,7 +14,7 @@ tests/vsynth1/00.pgm: tests/videogen$(HOSTEXESUF) | tests/vsynth1
$(M)./$< 'tests/vsynth1/'
tests/vsynth2/00.pgm: tests/rotozoom$(HOSTEXESUF) | tests/vsynth2
$(M)./$< 'tests/vsynth2/' $(SRC_PATH)/tests/lena.pnm
$(M)./$< $(SRC_PATH)/tests/lena.pnm 'tests/vsynth2/'
tests/data/asynth1.sw: tests/audiogen$(HOSTEXESUF) | tests/data
$(M)./$< $@

17
tests/rotozoom.c
View File

@ -159,12 +159,15 @@ int main(int argc, char **argv)
int w, h, i;
char buf[1024];
if (argc != 3) {
printf("usage: %s directory/ image.pnm\n"
if (argc > 3) {
printf("usage: %s image.pnm [directory/]\n"
"generate a test video stream\n", argv[0]);
return 1;
}
if (argc < 3)
err_if(!freopen(NULL, "wb", stdout));
w = DEFAULT_WIDTH;
h = DEFAULT_HEIGHT;
@ -173,13 +176,17 @@ int main(int argc, char **argv)
width = w;
height = h;
if (init_demo(argv[2]))
if (init_demo(argv[1]))
return 1;
for (i = 0; i < DEFAULT_NB_PICT; i++) {
snprintf(buf, sizeof(buf), "%s%02d.pgm", argv[1], i);
gen_image(i, w, h);
pgmyuv_save(buf, w, h, rgb_tab);
if (argc > 2) {
snprintf(buf, sizeof(buf), "%s%02d.pgm", argv[2], i);
pgmyuv_save(buf, w, h, rgb_tab);
} else {
pgmyuv_save(NULL, w, h, rgb_tab);
}
}
free(rgb_tab);

33
tests/utils.c
View File

@ -115,20 +115,37 @@ static void pgmyuv_save(const char *filename, int w, int h,
rgb24_to_yuv420p(lum_tab, cb_tab, cr_tab, rgb_tab, w, h);
f = fopen(filename, "wb");
fprintf(f, "P5\n%d %d\n%d\n", w, h * 3 / 2, 255);
if (filename) {
f = fopen(filename, "wb");
fprintf(f, "P5\n%d %d\n%d\n", w, h * 3 / 2, 255);
} else {
f = stdout;
}
err_if(fwrite(lum_tab, 1, w * h, f) != w * h);
h2 = h / 2;
w2 = w / 2;
cb = cb_tab;
cr = cr_tab;
for (i = 0; i < h2; i++) {
err_if(fwrite(cb, 1, w2, f) != w2);
err_if(fwrite(cr, 1, w2, f) != w2);
cb += w2;
cr += w2;
if (filename) {
for (i = 0; i < h2; i++) {
err_if(fwrite(cb, 1, w2, f) != w2);
err_if(fwrite(cr, 1, w2, f) != w2);
cb += w2;
cr += w2;
}
fclose(f);
} else {
for (i = 0; i < h2; i++) {
err_if(fwrite(cb, 1, w2, f) != w2);
cb += w2;
}
for (i = 0; i < h2; i++) {
err_if(fwrite(cr, 1, w2, f) != w2);
cr += w2;
}
}
fclose(f);
free(lum_tab);
free(cb_tab);

15
tests/videogen.c
View File

@ -146,12 +146,15 @@ int main(int argc, char **argv)
int w, h, i;
char buf[1024];
if (argc != 2) {
printf("usage: %s file\n"
if (argc > 2) {
printf("usage: %s [file]\n"
"generate a test video stream\n", argv[0]);
exit(1);
}
if (argc < 2)
err_if(!freopen(NULL, "wb", stdout));
w = DEFAULT_WIDTH;
h = DEFAULT_HEIGHT;
@ -161,9 +164,13 @@ int main(int argc, char **argv)
height = h;
for (i = 0; i < DEFAULT_NB_PICT; i++) {
snprintf(buf, sizeof(buf), "%s%02d.pgm", argv[1], i);
gen_image(i, w, h);
pgmyuv_save(buf, w, h, rgb_tab);
if (argc > 1) {
snprintf(buf, sizeof(buf), "%s%02d.pgm", argv[1], i);
pgmyuv_save(buf, w, h, rgb_tab);
} else {
pgmyuv_save(NULL, w, h, rgb_tab);
}
}
free(rgb_tab);