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authorAnton Khirnov <anton@khirnov.net>2011-07-26 19:04:43 +0200
committerAnton Khirnov <anton@khirnov.net>2011-08-09 19:56:24 +0200
commit9e12f0bf5f45361a36f9d8c3abca24af55ca740c (patch)
tree4fa2742f76b9dbe0c533d87f411b862c537cd883 /avprobe.c
parent266463daff7bbd4c3a8a26ff11b1131df0fd5520 (diff)
downloadffmpeg-9e12f0bf5f45361a36f9d8c3abca24af55ca740c.tar.gz
Rename ffprobe to avprobe.
Diffstat (limited to 'avprobe.c')
-rw-r--r--avprobe.c419
1 files changed, 419 insertions, 0 deletions
diff --git a/avprobe.c b/avprobe.c
new file mode 100644
index 0000000000..3843af9b72
--- /dev/null
+++ b/avprobe.c
@@ -0,0 +1,419 @@
+/*
+ * avprobe : Simple Media Prober based on the Libav libraries
+ * Copyright (c) 2007-2010 Stefano Sabatini
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include "libavformat/avformat.h"
+#include "libavcodec/avcodec.h"
+#include "libavutil/opt.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/dict.h"
+#include "libavdevice/avdevice.h"
+#include "cmdutils.h"
+
+const char program_name[] = "avprobe";
+const int program_birth_year = 2007;
+
+static int do_show_format = 0;
+static int do_show_packets = 0;
+static int do_show_streams = 0;
+
+static int show_value_unit = 0;
+static int use_value_prefix = 0;
+static int use_byte_value_binary_prefix = 0;
+static int use_value_sexagesimal_format = 0;
+
+/* globals */
+static const OptionDef options[];
+
+/* AVprobe context */
+static const char *input_filename;
+static AVInputFormat *iformat = NULL;
+
+static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
+static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
+
+static const char *unit_second_str = "s" ;
+static const char *unit_hertz_str = "Hz" ;
+static const char *unit_byte_str = "byte" ;
+static const char *unit_bit_per_second_str = "bit/s";
+
+static char *value_string(char *buf, int buf_size, double val, const char *unit)
+{
+ if (unit == unit_second_str && use_value_sexagesimal_format) {
+ double secs;
+ int hours, mins;
+ secs = val;
+ mins = (int)secs / 60;
+ secs = secs - mins * 60;
+ hours = mins / 60;
+ mins %= 60;
+ snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
+ } else if (use_value_prefix) {
+ const char *prefix_string;
+ int index;
+
+ 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);
+ 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);
+ prefix_string = decimal_unit_prefixes[index];
+ }
+
+ 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 : "");
+ }
+
+ 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 {
+ value_string(buf, buf_size, val * av_q2d(*time_base), 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;
+}
+
+static const char *media_type_string(enum AVMediaType media_type)
+{
+ switch (media_type) {
+ case AVMEDIA_TYPE_VIDEO: return "video";
+ case AVMEDIA_TYPE_AUDIO: return "audio";
+ case AVMEDIA_TYPE_DATA: return "data";
+ case AVMEDIA_TYPE_SUBTITLE: return "subtitle";
+ case AVMEDIA_TYPE_ATTACHMENT: return "attachment";
+ default: return "unknown";
+ }
+}
+
+static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
+{
+ char val_str[128];
+ 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("[/PACKET]\n");
+}
+
+static void show_packets(AVFormatContext *fmt_ctx)
+{
+ AVPacket pkt;
+
+ av_init_packet(&pkt);
+
+ while (!av_read_frame(fmt_ctx, &pkt))
+ show_packet(fmt_ctx, &pkt);
+}
+
+static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
+{
+ AVStream *stream = fmt_ctx->streams[stream_idx];
+ AVCodecContext *dec_ctx;
+ AVCodec *dec;
+ char val_str[128];
+ AVDictionaryEntry *tag = NULL;
+ AVRational display_aspect_ratio;
+
+ printf("[STREAM]\n");
+
+ 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);
+ } 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);
+
+ /* print AVI/FourCC tag */
+ av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
+ printf("codec_tag_string=%s\n", val_str);
+ printf("codec_tag=0x%04x\n", dec_ctx->codec_tag);
+
+ 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);
+ 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);
+ 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("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));
+ break;
+ }
+ } else {
+ printf("codec_type=unknown\n");
+ }
+
+ 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));
+ if (stream->nb_frames)
+ printf("nb_frames=%"PRId64"\n", stream->nb_frames);
+
+ while ((tag = av_dict_get(stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
+ printf("TAG:%s=%s\n", tag->key, tag->value);
+
+ printf("[/STREAM]\n");
+}
+
+static void show_format(AVFormatContext *fmt_ctx)
+{
+ AVDictionaryEntry *tag = NULL;
+ char val_str[128];
+
+ 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("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", value_string(val_str, sizeof(val_str), fmt_ctx->file_size,
+ unit_byte_str));
+ 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)))
+ printf("TAG:%s=%s\n", tag->key, tag->value);
+
+ printf("[/FORMAT]\n");
+}
+
+static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
+{
+ int err, i;
+ AVFormatContext *fmt_ctx = NULL;
+ AVDictionaryEntry *t;
+
+ if ((err = avformat_open_input(&fmt_ctx, filename, iformat, &format_opts)) < 0) {
+ print_error(filename, err);
+ return err;
+ }
+ if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
+ av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
+ return AVERROR_OPTION_NOT_FOUND;
+ }
+
+
+ /* fill the streams in the format context */
+ if ((err = av_find_stream_info(fmt_ctx)) < 0) {
+ print_error(filename, err);
+ return err;
+ }
+
+ av_dump_format(fmt_ctx, 0, filename, 0);
+
+ /* bind a decoder to each input stream */
+ for (i = 0; i < fmt_ctx->nb_streams; i++) {
+ AVStream *stream = fmt_ctx->streams[i];
+ AVCodec *codec;
+
+ if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
+ 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",
+ stream->index);
+ }
+ }
+
+ *fmt_ctx_ptr = fmt_ctx;
+ return 0;
+}
+
+static int probe_file(const char *filename)
+{
+ AVFormatContext *fmt_ctx;
+ int ret, i;
+
+ if ((ret = open_input_file(&fmt_ctx, filename)))
+ return ret;
+
+ if (do_show_packets)
+ show_packets(fmt_ctx);
+
+ if (do_show_streams)
+ for (i = 0; i < fmt_ctx->nb_streams; i++)
+ show_stream(fmt_ctx, i);
+
+ if (do_show_format)
+ show_format(fmt_ctx);
+
+ av_close_input_file(fmt_ctx);
+ return 0;
+}
+
+static void show_usage(void)
+{
+ printf("Simple multimedia streams analyzer\n");
+ printf("usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
+ printf("\n");
+}
+
+static int opt_format(const char *opt, const char *arg)
+{
+ iformat = av_find_input_format(arg);
+ if (!iformat) {
+ fprintf(stderr, "Unknown input format: %s\n", arg);
+ return AVERROR(EINVAL);
+ }
+ return 0;
+}
+
+static void opt_input_file(const char *arg)
+{
+ if (input_filename) {
+ fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
+ arg, input_filename);
+ exit(1);
+ }
+ if (!strcmp(arg, "-"))
+ arg = "pipe:";
+ input_filename = arg;
+}
+
+static void show_help(void)
+{
+ av_log_set_callback(log_callback_help);
+ show_usage();
+ show_help_options(options, "Main options:\n", 0, 0);
+ printf("\n");
+ av_opt_show2(avformat_opts, NULL,
+ AV_OPT_FLAG_DECODING_PARAM, 0);
+}
+
+static void opt_pretty(void)
+{
+ show_value_unit = 1;
+ use_value_prefix = 1;
+ use_byte_value_binary_prefix = 1;
+ use_value_sexagesimal_format = 1;
+}
+
+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" },
+ { "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},
+ "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
+ { "pretty", 0, {(void*)&opt_pretty},
+ "prettify the format of displayed values, make it more human readable" },
+ { "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", "" },
+ { NULL, },
+};
+
+int main(int argc, char **argv)
+{
+ int ret;
+
+ av_register_all();
+ init_opts();
+#if CONFIG_AVDEVICE
+ avdevice_register_all();
+#endif
+
+ avformat_opts = avformat_alloc_context();
+
+ show_banner();
+ parse_options(argc, argv, options, opt_input_file);
+
+ 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);
+ exit(1);
+ }
+
+ ret = probe_file(input_filename);
+
+ av_free(avformat_opts);
+
+ return ret;
+}