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nicer output for 'ffmpeg -formats' 

Originally committed as revision 2870 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-03-11 01:12:30 +00:00
parent b98202a438
commit 3738fe1ae4
1 changed files with 85 additions and 37 deletions
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122
ffmpeg.c
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@ -2838,59 +2838,101 @@ static void show_formats(void)
AVOutputFormat *ofmt;
AVImageFormat *image_fmt;
URLProtocol *up;
AVCodec *p;
const char **pp;
AVCodec *p, *p2;
const char **pp, *last_name;
printf("Output audio/video file formats:");
for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
printf(" %s", ofmt->name);
printf("File formats:\n");
last_name= "000";
for(;;){
int decode=0;
int encode=0;
const char *name=NULL;
for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
if((name == NULL || strcmp(ofmt->name, name)<0) &&
strcmp(ofmt->name, last_name)>0){
name= ofmt->name;
encode=1;
}
}
for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
if((name == NULL || strcmp(ifmt->name, name)<0) &&
strcmp(ifmt->name, last_name)>0){
name= ifmt->name;
encode=0;
}
if(name && strcmp(ifmt->name, name)==0)
decode=1;
}
if(name==NULL)
break;
last_name= name;
printf(
" %s%s %s\n",
decode ? "D":" ",
encode ? "E":" ",
name);
}
printf("\n");
printf("Input audio/video file formats:");
for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
printf(" %s", ifmt->name);
}
printf("\n");
printf("Output image formats:");
printf("Image formats:\n");
for(image_fmt = first_image_format; image_fmt != NULL;
image_fmt = image_fmt->next) {
if (image_fmt->img_write)
printf(" %s", image_fmt->name);
}
printf("\n");
printf("Input image formats:");
for(image_fmt = first_image_format; image_fmt != NULL;
image_fmt = image_fmt->next) {
if (image_fmt->img_read)
printf(" %s", image_fmt->name);
printf(
" %s%s %s\n",
image_fmt->img_read ? "D":" ",
image_fmt->img_write ? "E":" ",
image_fmt->name);
}
printf("\n");
printf("Codecs:\n");
printf(" Encoders:");
for(p = first_avcodec; p != NULL; p = p->next) {
if (p->encode)
printf(" %s", p->name);
last_name= "000";
for(;;){
int decode=0;
int encode=0;
int cap=0;
p2=NULL;
for(p = first_avcodec; p != NULL; p = p->next) {
if((p2==NULL || strcmp(p->name, p2->name)<0) &&
strcmp(p->name, last_name)>0){
p2= p;
decode= encode= cap=0;
}
if(p2 && strcmp(p->name, p2->name)==0){
if(p->decode) decode=1;
if(p->encode) encode=1;
cap |= p->capabilities;
}
}
if(p2==NULL)
break;
last_name= p2->name;
printf(
" %s%s%s%s%s%s %s",
decode ? "D": (/*p2->decoder ? "d":*/" "),
encode ? "E":" ",
p2->type == CODEC_TYPE_AUDIO ? "A":"V",
cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
cap & CODEC_CAP_DR1 ? "D":" ",
cap & CODEC_CAP_TRUNCATED ? "T":" ",
p2->name);
/* if(p2->decoder && decode==0)
printf(" use %s for decoding", p2->decoder->name);*/
printf("\n");
}
printf("\n");
printf(" Decoders:");
for(p = first_avcodec; p != NULL; p = p->next) {
if (p->decode)
printf(" %s", p->name);
}
printf("\n");
printf("Supported file protocols:");
printf("Supported file protocols:\n");
for(up = first_protocol; up != NULL; up = up->next)
printf(" %s:", up->name);
printf("\n");
printf("Frame size, frame rate abbreviations: ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
printf("Motion estimation methods:");
printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
printf("Motion estimation methods:\n");
pp = motion_str;
while (*pp) {
printf(" %s", *pp);
@ -2902,7 +2944,13 @@ static void show_formats(void)
printf("(default)");
pp++;
}
printf("\n");
printf("\n\n");
printf(
"Note, the names of encoders and decoders dont always match, so there are\n"
"several cases where the above table shows encoder only or decoder only entries\n"
"even though both encoding and decoding are supported for example, the h263\n"
"decoder corresponds to the h263 and h263p encoders, for file formats its even\n"
"worse\n");
exit(1);
}