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Diffstat (limited to 'ffprobe.c')
-rw-r--r--ffprobe.c125
1 files changed, 77 insertions, 48 deletions
diff --git a/ffprobe.c b/ffprobe.c
index e512f00d1b..a8c2ff0c9c 100644
--- a/ffprobe.c
+++ b/ffprobe.c
@@ -121,33 +121,12 @@ static char *value_string(char *buf, int buf_size, struct unit_value uv)
return buf;
}
-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");
- } else {
- double d = val * av_q2d(*time_base);
- value_string(buf, buf_size, (struct unit_value){.val.d=d, .unit=unit_second_str});
- }
-
- return buf;
-}
-
-static char *ts_value_string (char *buf, int buf_size, int64_t ts)
-{
- if (ts == AV_NOPTS_VALUE) {
- snprintf(buf, buf_size, "N/A");
- } else {
- snprintf(buf, buf_size, "%"PRId64, ts);
- }
-
- return buf;
-}
-
/* WRITERS API */
typedef struct WriterContext WriterContext;
+#define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
+
typedef struct Writer {
int priv_size; ///< private size for the writer context
const char *name;
@@ -165,6 +144,7 @@ typedef struct Writer {
void (*print_integer) (WriterContext *wctx, const char *, int);
void (*print_string) (WriterContext *wctx, const char *, const char *);
void (*show_tags) (WriterContext *wctx, AVDictionary *dict);
+ int flags; ///< a combination or WRITER_FLAG_*
} Writer;
struct WriterContext {
@@ -281,12 +261,40 @@ static inline void writer_print_integer(WriterContext *wctx,
}
static inline void writer_print_string(WriterContext *wctx,
- const char *key, const char *val)
+ const char *key, const char *val, int opt)
{
+ if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
+ return;
wctx->writer->print_string(wctx, key, val);
wctx->nb_item++;
}
+static void writer_print_time(WriterContext *wctx, const char *key,
+ int64_t ts, const AVRational *time_base)
+{
+ char buf[128];
+
+ if (ts == AV_NOPTS_VALUE) {
+ writer_print_string(wctx, key, "N/A", 1);
+ } else {
+ double d = ts * av_q2d(*time_base);
+ value_string(buf, sizeof(buf), (struct unit_value){.val.d=d, .unit=unit_second_str});
+ writer_print_string(wctx, key, buf, 0);
+ }
+}
+
+static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts)
+{
+ char buf[128];
+
+ if (ts == AV_NOPTS_VALUE) {
+ writer_print_string(wctx, key, "N/A", 1);
+ } else {
+ snprintf(buf, sizeof(buf), "%"PRId64, ts);
+ writer_print_string(wctx, key, buf, 0);
+ }
+}
+
static inline void writer_show_tags(WriterContext *wctx, AVDictionary *dict)
{
wctx->writer->show_tags(wctx, dict);
@@ -438,7 +446,7 @@ static void default_show_tags(WriterContext *wctx, AVDictionary *dict)
AVDictionaryEntry *tag = NULL;
while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
printf("TAG:");
- writer_print_string(wctx, tag->key, tag->value);
+ writer_print_string(wctx, tag->key, tag->value, 0);
}
}
@@ -450,7 +458,8 @@ static Writer default_writer = {
.print_section_footer = default_print_section_footer,
.print_integer = default_print_int,
.print_string = default_print_str,
- .show_tags = default_show_tags
+ .show_tags = default_show_tags,
+ .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
};
/* JSON output */
@@ -626,15 +635,21 @@ static void writer_register_all(void)
#define print_fmt(k, f, ...) do { \
if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
- writer_print_string(w, k, pbuf.s); \
+ writer_print_string(w, k, pbuf.s, 0); \
+} while (0)
+
+#define print_fmt_opt(k, f, ...) do { \
+ if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
+ writer_print_string(w, k, pbuf.s, 1); \
} while (0)
#define print_int(k, v) writer_print_integer(w, k, v)
-#define print_str(k, v) writer_print_string(w, k, v)
-#define print_ts(k, v) writer_print_string(w, k, ts_value_string (val_str, sizeof(val_str), v))
-#define print_time(k, v, tb) writer_print_string(w, k, time_value_string(val_str, sizeof(val_str), v, tb))
-#define print_val(k, v, u) writer_print_string(w, k, value_string (val_str, sizeof(val_str), \
- (struct unit_value){.val.i = v, .unit=u}))
+#define print_str(k, v) writer_print_string(w, k, v, 0)
+#define print_str_opt(k, v) writer_print_string(w, k, v, 1)
+#define print_time(k, v, tb) writer_print_time(w, k, v, tb)
+#define print_ts(k, v) writer_print_ts(w, k, v)
+#define print_val(k, v, u) writer_print_string(w, k, \
+ value_string(val_str, sizeof(val_str), (struct unit_value){.val.i = v, .unit=u}), 1)
#define print_section_header(s) writer_print_section_header(w, s)
#define print_section_footer(s) writer_print_section_footer(w, s)
#define show_tags(metadata) writer_show_tags(w, metadata)
@@ -644,9 +659,12 @@ static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pk
char val_str[128];
AVStream *st = fmt_ctx->streams[pkt->stream_index];
struct print_buf pbuf = {.s = NULL};
+ const char *s;
print_section_header("packet");
- print_str("codec_type", av_x_if_null(av_get_media_type_string(st->codec->codec_type), "unknown"));
+ s = av_get_media_type_string(st->codec->codec_type);
+ if (s) print_str ("codec_type", s);
+ else print_str_opt("codec_type", "unknown");
print_int("stream_index", pkt->stream_index);
print_ts ("pts", pkt->pts);
print_time("pts_time", pkt->pts, &st->time_base);
@@ -655,7 +673,8 @@ static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pk
print_ts ("duration", pkt->duration);
print_time("duration_time", pkt->duration, &st->time_base);
print_val("size", pkt->size, unit_byte_str);
- print_fmt("pos", "%"PRId64, pkt->pos);
+ if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
+ else print_str_opt("pos", "N/A");
print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
print_section_footer("packet");
@@ -680,6 +699,7 @@ static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_i
AVCodecContext *dec_ctx;
AVCodec *dec;
char val_str[128];
+ const char *s;
AVRational display_aspect_ratio;
struct print_buf pbuf = {.s = NULL};
@@ -692,10 +712,13 @@ static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_i
print_str("codec_name", dec->name);
print_str("codec_long_name", dec->long_name);
} else {
- print_str("codec_name", "unknown");
+ print_str_opt("codec_name", "unknown");
+ print_str_opt("codec_long_name", "unknown");
}
- print_str("codec_type", av_x_if_null(av_get_media_type_string(dec_ctx->codec_type), "unknown"));
+ s = av_get_media_type_string(dec_ctx->codec_type);
+ if (s) print_str ("codec_type", s);
+ else print_str_opt("codec_type", "unknown");
print_fmt("codec_time_base", "%d/%d", dec_ctx->time_base.num, dec_ctx->time_base.den);
/* print AVI/FourCC tag */
@@ -719,21 +742,27 @@ static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_i
print_fmt("display_aspect_ratio", "%d:%d",
display_aspect_ratio.num,
display_aspect_ratio.den);
+ } else {
+ print_str_opt("sample_aspect_ratio", "N/A");
+ print_str_opt("display_aspect_ratio", "N/A");
}
- print_str("pix_fmt", av_x_if_null(av_get_pix_fmt_name(dec_ctx->pix_fmt), "unknown"));
+ s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
+ if (s) print_str ("pix_fmt", s);
+ else print_str_opt("pix_fmt", "unknown");
print_int("level", dec_ctx->level);
break;
case AVMEDIA_TYPE_AUDIO:
- print_str("sample_fmt",
- av_x_if_null(av_get_sample_fmt_name(dec_ctx->sample_fmt), "unknown"));
+ s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
+ if (s) print_str ("sample_fmt", s);
+ else print_str_opt("sample_fmt", "unknown");
print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
print_int("channels", dec_ctx->channels);
print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
break;
}
} else {
- print_str("codec_type", "unknown");
+ print_str_opt("codec_type", "unknown");
}
if (dec_ctx->codec && dec_ctx->codec->priv_class) {
const AVOption *opt = NULL;
@@ -747,16 +776,15 @@ static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_i
}
}
- if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
- print_fmt("id", "0x%x", stream->id);
+ if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
+ else print_str_opt("id", "N/A");
print_fmt("r_frame_rate", "%d/%d", stream->r_frame_rate.num, stream->r_frame_rate.den);
print_fmt("avg_frame_rate", "%d/%d", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
print_fmt("time_base", "%d/%d", stream->time_base.num, stream->time_base.den);
print_time("start_time", stream->start_time, &stream->time_base);
print_time("duration", stream->duration, &stream->time_base);
- if (stream->nb_frames)
- print_fmt("nb_frames", "%"PRId64, stream->nb_frames);
-
+ if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
+ else print_str_opt("nb_frames", "N/A");
show_tags(stream->metadata);
print_section_footer("stream");
@@ -784,9 +812,10 @@ static void show_format(WriterContext *w, AVFormatContext *fmt_ctx)
print_str("format_long_name", fmt_ctx->iformat->long_name);
print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
- if (size >= 0)
- print_val("size", size, unit_byte_str);
- print_val("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
+ if (size >= 0) print_val ("size", size, unit_byte_str);
+ else print_str_opt("size", "N/A");
+ if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
+ else print_str_opt("bit_rate", "N/A");
show_tags(fmt_ctx->metadata);
print_section_footer("format");
av_free(pbuf.s);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-25 14:37:53 +0000