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avprobe, cmdutils: K&R formatting cosmetics

This commit is contained in:
Gaurav Narula 2012-01-18 20:54:04 +01:00 committed by Diego Biurrun
parent b481bbc32a
commit 0184bbe2d1
2 changed files with 108 additions and 72 deletions
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162
avprobe.c
View File

@ -78,17 +78,18 @@ static char *value_string(char *buf, int buf_size, double val, const char *unit)
if (unit == unit_byte_str && use_byte_value_binary_prefix) {
index = (int) (log(val)/log(2)) / 10;
index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1);
val /= pow(2, index*10);
index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
val /= pow(2, index * 10);
prefix_string = binary_unit_prefixes[index];
} else {
index = (int) (log10(val)) / 3;
index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1);
val /= pow(10, index*3);
index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
val /= pow(10, index * 3);
prefix_string = decimal_unit_prefixes[index];
}
snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string, show_value_unit ? unit : "");
snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string,
show_value_unit ? unit : "");
} else {
snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
}
@ -96,7 +97,8 @@ static char *value_string(char *buf, int buf_size, double val, const char *unit)
return buf;
}
static char *time_value_string(char *buf, int buf_size, int64_t val, const AVRational *time_base)
static char *time_value_string(char *buf, int buf_size, int64_t val,
const AVRational *time_base)
{
if (val == AV_NOPTS_VALUE) {
snprintf(buf, buf_size, "N/A");
@ -136,17 +138,23 @@ static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
AVStream *st = fmt_ctx->streams[pkt->stream_index];
printf("[PACKET]\n");
printf("codec_type=%s\n" , media_type_string(st->codec->codec_type));
printf("stream_index=%d\n" , pkt->stream_index);
printf("pts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->pts));
printf("pts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->pts, &st->time_base));
printf("dts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->dts));
printf("dts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->dts, &st->time_base));
printf("duration=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->duration));
printf("duration_time=%s\n", time_value_string(val_str, sizeof(val_str), pkt->duration, &st->time_base));
printf("size=%s\n" , value_string (val_str, sizeof(val_str), pkt->size, unit_byte_str));
printf("pos=%"PRId64"\n" , pkt->pos);
printf("flags=%c\n" , pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
printf("codec_type=%s\n", media_type_string(st->codec->codec_type));
printf("stream_index=%d\n", pkt->stream_index);
printf("pts=%s\n", ts_value_string(val_str, sizeof(val_str), pkt->pts));
printf("pts_time=%s\n", time_value_string(val_str, sizeof(val_str),
pkt->pts, &st->time_base));
printf("dts=%s\n", ts_value_string(val_str, sizeof(val_str), pkt->dts));
printf("dts_time=%s\n", time_value_string(val_str, sizeof(val_str),
pkt->dts, &st->time_base));
printf("duration=%s\n", ts_value_string(val_str, sizeof(val_str),
pkt->duration));
printf("duration_time=%s\n", time_value_string(val_str, sizeof(val_str),
pkt->duration,
&st->time_base));
printf("size=%s\n", value_string(val_str, sizeof(val_str),
pkt->size, unit_byte_str));
printf("pos=%"PRId64"\n", pkt->pos);
printf("flags=%c\n", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
printf("[/PACKET]\n");
}
@ -171,18 +179,19 @@ static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
printf("[STREAM]\n");
printf("index=%d\n", stream->index);
printf("index=%d\n", stream->index);
if ((dec_ctx = stream->codec)) {
if ((dec = dec_ctx->codec)) {
printf("codec_name=%s\n", dec->name);
printf("codec_long_name=%s\n", dec->long_name);
printf("codec_name=%s\n", dec->name);
printf("codec_long_name=%s\n", dec->long_name);
} else {
printf("codec_name=unknown\n");
}
printf("codec_type=%s\n", media_type_string(dec_ctx->codec_type));
printf("codec_time_base=%d/%d\n", dec_ctx->time_base.num, dec_ctx->time_base.den);
printf("codec_type=%s\n", media_type_string(dec_ctx->codec_type));
printf("codec_time_base=%d/%d\n",
dec_ctx->time_base.num, dec_ctx->time_base.den);
/* print AVI/FourCC tag */
av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
@ -191,30 +200,33 @@ static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
switch (dec_ctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
printf("width=%d\n", dec_ctx->width);
printf("height=%d\n", dec_ctx->height);
printf("has_b_frames=%d\n", dec_ctx->has_b_frames);
printf("width=%d\n", dec_ctx->width);
printf("height=%d\n", dec_ctx->height);
printf("has_b_frames=%d\n", dec_ctx->has_b_frames);
if (dec_ctx->sample_aspect_ratio.num) {
printf("sample_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num,
dec_ctx->sample_aspect_ratio.den);
printf("sample_aspect_ratio=%d:%d\n",
dec_ctx->sample_aspect_ratio.num,
dec_ctx->sample_aspect_ratio.den);
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
1024*1024);
printf("display_aspect_ratio=%d:%d\n", display_aspect_ratio.num,
display_aspect_ratio.den);
printf("display_aspect_ratio=%d:%d\n",
display_aspect_ratio.num, display_aspect_ratio.den);
}
printf("pix_fmt=%s\n", dec_ctx->pix_fmt != PIX_FMT_NONE ?
av_pix_fmt_descriptors[dec_ctx->pix_fmt].name : "unknown");
printf("level=%d\n", dec_ctx->level);
printf("pix_fmt=%s\n",
dec_ctx->pix_fmt != PIX_FMT_NONE ? av_pix_fmt_descriptors[dec_ctx->pix_fmt].name
: "unknown");
printf("level=%d\n", dec_ctx->level);
break;
case AVMEDIA_TYPE_AUDIO:
printf("sample_rate=%s\n", value_string(val_str, sizeof(val_str),
dec_ctx->sample_rate,
unit_hertz_str));
printf("channels=%d\n", dec_ctx->channels);
printf("bits_per_sample=%d\n", av_get_bits_per_sample(dec_ctx->codec_id));
printf("sample_rate=%s\n", value_string(val_str, sizeof(val_str),
dec_ctx->sample_rate,
unit_hertz_str));
printf("channels=%d\n", dec_ctx->channels);
printf("bits_per_sample=%d\n",
av_get_bits_per_sample(dec_ctx->codec_id));
break;
}
} else {
@ -223,17 +235,23 @@ static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
printf("id=0x%x\n", stream->id);
printf("r_frame_rate=%d/%d\n", stream->r_frame_rate.num, stream->r_frame_rate.den);
printf("avg_frame_rate=%d/%d\n", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
printf("time_base=%d/%d\n", stream->time_base.num, stream->time_base.den);
printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), stream->start_time,
&stream->time_base));
printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), stream->duration,
&stream->time_base));
printf("r_frame_rate=%d/%d\n",
stream->r_frame_rate.num, stream->r_frame_rate.den);
printf("avg_frame_rate=%d/%d\n",
stream->avg_frame_rate.num, stream->avg_frame_rate.den);
printf("time_base=%d/%d\n",
stream->time_base.num, stream->time_base.den);
printf("start_time=%s\n",
time_value_string(val_str, sizeof(val_str),
stream->start_time, &stream->time_base));
printf("duration=%s\n",
time_value_string(val_str, sizeof(val_str),
stream->duration, &stream->time_base));
if (stream->nb_frames)
printf("nb_frames=%"PRId64"\n", stream->nb_frames);
printf("nb_frames=%"PRId64"\n", stream->nb_frames);
while ((tag = av_dict_get(stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
while ((tag = av_dict_get(stream->metadata, "", tag,
AV_DICT_IGNORE_SUFFIX)))
printf("TAG:%s=%s\n", tag->key, tag->value);
printf("[/STREAM]\n");
@ -247,21 +265,25 @@ static void show_format(AVFormatContext *fmt_ctx)
printf("[FORMAT]\n");
printf("filename=%s\n", fmt_ctx->filename);
printf("nb_streams=%d\n", fmt_ctx->nb_streams);
printf("format_name=%s\n", fmt_ctx->iformat->name);
printf("filename=%s\n", fmt_ctx->filename);
printf("nb_streams=%d\n", fmt_ctx->nb_streams);
printf("format_name=%s\n", fmt_ctx->iformat->name);
printf("format_long_name=%s\n", fmt_ctx->iformat->long_name);
printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->start_time,
&AV_TIME_BASE_Q));
printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->duration,
&AV_TIME_BASE_Q));
printf("size=%s\n", size >= 0 ? value_string(val_str, sizeof(val_str),
size, unit_byte_str)
: "unknown");
printf("bit_rate=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->bit_rate,
unit_bit_per_second_str));
printf("start_time=%s\n",
time_value_string(val_str, sizeof(val_str),
fmt_ctx->start_time, &AV_TIME_BASE_Q));
printf("duration=%s\n",
time_value_string(val_str, sizeof(val_str),
fmt_ctx->duration, &AV_TIME_BASE_Q));
printf("size=%s\n", size >= 0 ? value_string(val_str, sizeof(val_str),
size, unit_byte_str)
: "unknown");
printf("bit_rate=%s\n",
value_string(val_str, sizeof(val_str),
fmt_ctx->bit_rate, unit_bit_per_second_str));
while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
while ((tag = av_dict_get(fmt_ctx->metadata, "", tag,
AV_DICT_IGNORE_SUFFIX)))
printf("TAG:%s=%s\n", tag->key, tag->value);
printf("[/FORMAT]\n");
@ -273,7 +295,8 @@ static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
AVFormatContext *fmt_ctx = NULL;
AVDictionaryEntry *t;
if ((err = avformat_open_input(&fmt_ctx, filename, iformat, &format_opts)) < 0) {
if ((err = avformat_open_input(&fmt_ctx, filename,
iformat, &format_opts)) < 0) {
print_error(filename, err);
return err;
}
@ -297,7 +320,8 @@ static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
AVCodec *codec;
if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
fprintf(stderr, "Unsupported codec with id %d for input stream %d\n",
fprintf(stderr,
"Unsupported codec with id %d for input stream %d\n",
stream->codec->codec_id, stream->index);
} else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
fprintf(stderr, "Error while opening codec for input stream %d\n",
@ -351,7 +375,8 @@ static int opt_format(const char *opt, const char *arg)
static void opt_input_file(void *optctx, const char *arg)
{
if (input_filename) {
fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
fprintf(stderr,
"Argument '%s' provided as input filename, but '%s' was already specified.\n",
arg, input_filename);
exit(1);
}
@ -380,8 +405,10 @@ static void opt_pretty(void)
static const OptionDef options[] = {
#include "cmdutils_common_opts.h"
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
{ "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
{ "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
{ "unit", OPT_BOOL, {(void*)&show_value_unit},
"show unit of the displayed values" },
{ "prefix", OPT_BOOL, {(void*)&use_value_prefix},
"use SI prefixes for the displayed values" },
{ "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
"use binary prefixes for byte units" },
{ "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
@ -391,7 +418,8 @@ static const OptionDef options[] = {
{ "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
{ "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
{ "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
{ "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
{ "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default},
"generic catch all option", "" },
{ NULL, },
};
@ -413,7 +441,9 @@ int main(int argc, char **argv)
if (!input_filename) {
show_usage();
fprintf(stderr, "You have to specify one input file.\n");
fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
fprintf(stderr,
"Use -h to get full help or, even better, run 'man %s'.\n",
program_name);
exit(1);
}

18
cmdutils.h
View File

@ -90,7 +90,8 @@ int opt_timelimit(const char *opt, const char *arg);
* @param min the minimum valid accepted value
* @param max the maximum valid accepted value
*/
double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max);
double parse_number_or_die(const char *context, const char *numstr, int type,
double min, double max);
/**
* Parse a string specifying a time and return its corresponding
@ -106,7 +107,8 @@ double parse_number_or_die(const char *context, const char *numstr, int type, do
*
* @see parse_date()
*/
int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration);
int64_t parse_time_or_die(const char *context, const char *timestr,
int is_duration);
typedef struct SpecifierOpt {
char *specifier; /**< stream/chapter/program/... specifier */
@ -152,7 +154,8 @@ typedef struct {
const char *argname;
} OptionDef;
void show_help_options(const OptionDef *options, const char *msg, int mask, int value);
void show_help_options(const OptionDef *options, const char *msg, int mask,
int value);
/**
* Show help for all options with given flags in class and all its
@ -178,7 +181,8 @@ void parse_options(void *optctx, int argc, char **argv, const OptionDef *options
*
* @return on success 1 if arg was consumed, 0 otherwise; negative number on error
*/
int parse_option(void *optctx, const char *opt, const char *arg, const OptionDef *options);
int parse_option(void *optctx, const char *opt, const char *arg,
const OptionDef *options);
/**
* Find the '-loglevel' option in the command line args and apply it.
@ -206,7 +210,8 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec);
* @param st A stream from s for which the options should be filtered.
* @return a pointer to the created dictionary
*/
AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, AVFormatContext *s, AVStream *st);
AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id,
AVFormatContext *s, AVStream *st);
/**
* Setup AVCodecContext options for avformat_find_stream_info().
@ -219,7 +224,8 @@ AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, AVFor
* @return pointer to the created array of dictionaries, NULL if it
* cannot be created
*/
AVDictionary **setup_find_stream_info_opts(AVFormatContext *s, AVDictionary *codec_opts);
AVDictionary **setup_find_stream_info_opts(AVFormatContext *s,
AVDictionary *codec_opts);
/**
* Print an error message to stderr, indicating filename and a human