Index: patched-ffmpeg-mt/ffprobe.c |
=================================================================== |
--- patched-ffmpeg-mt/ffprobe.c (revision 0) |
+++ patched-ffmpeg-mt/ffprobe.c (revision 0) |
@@ -0,0 +1,354 @@ |
+/* |
+ * FFprobe : Simple Media Prober based on the FFmpeg libraries |
+ * Copyright (c) 2007-2010 Stefano Sabatini |
+ * |
+ * This file is part of FFmpeg. |
+ * |
+ * FFmpeg 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. |
+ * |
+ * FFmpeg 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 FFmpeg; 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 "libavcodec/opt.h" |
+#include "libavutil/pixdesc.h" |
+#include "libavdevice/avdevice.h" |
+#include "cmdutils.h" |
+ |
+const char program_name[] = "FFprobe"; |
+const int program_birth_year = 2007; |
+ |
+static int do_show_format = 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[]; |
+ |
+/* FFprobe 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 const char *codec_type_string(enum CodecType codec_type) |
+{ |
+ switch (codec_type) { |
+ case CODEC_TYPE_VIDEO: return "video"; |
+ case CODEC_TYPE_AUDIO: return "audio"; |
+ case CODEC_TYPE_DATA: return "data"; |
+ case CODEC_TYPE_SUBTITLE: return "subtitle"; |
+ case CODEC_TYPE_ATTACHMENT: return "attachment"; |
+ default: return "unknown"; |
+ } |
+} |
+ |
+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]; |
+ AVMetadataTag *tag; |
+ char a, b, c, d; |
+ |
+ 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", codec_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 */ |
+ a = dec_ctx->codec_tag & 0xff; |
+ b = dec_ctx->codec_tag>>8 & 0xff; |
+ c = dec_ctx->codec_tag>>16 & 0xff; |
+ d = dec_ctx->codec_tag>>24 & 0xff; |
+ printf("codec_tag_string="); |
+ if (isprint(a)) printf("%c", a); else printf("[%d]", a); |
+ if (isprint(b)) printf("%c", b); else printf("[%d]", b); |
+ if (isprint(c)) printf("%c", c); else printf("[%d]", c); |
+ if (isprint(d)) printf("%c", d); else printf("[%d]", d); |
+ printf("\ncodec_tag=0x%04x\n", dec_ctx->codec_tag); |
+ |
+ switch (dec_ctx->codec_type) { |
+ case CODEC_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("sample_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num, |
+ dec_ctx->sample_aspect_ratio.den); |
+ printf("display_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num, |
+ dec_ctx->sample_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"); |
+ break; |
+ |
+ case CODEC_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); |
+ if (stream->language[0]) |
+ printf("language=%s\n", stream->language); |
+ 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)); |
+ |
+ while ((tag = av_metadata_get(stream->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX))) |
+ printf("TAG:%s=%s\n", tag->key, tag->value); |
+ |
+ printf("[/STREAM]\n"); |
+} |
+ |
+static void show_format(AVFormatContext *fmt_ctx) |
+{ |
+ AVMetadataTag *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_metadata_get(fmt_ctx->metadata, "", tag, AV_METADATA_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; |
+ |
+ fmt_ctx = avformat_alloc_context(); |
+ |
+ if ((err = av_open_input_file(&fmt_ctx, filename, iformat, 0, NULL)) < 0) { |
+ print_error(filename, err); |
+ return err; |
+ } |
+ |
+ /* fill the streams in the format context */ |
+ if ((err = av_find_stream_info(fmt_ctx)) < 0) { |
+ print_error(filename, err); |
+ return err; |
+ } |
+ |
+ 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 (id=%d) for input stream %d\n", |
+ stream->codec->codec_id, stream->index); |
+ } else if (avcodec_open(stream->codec, codec) < 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_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: ffprobe [OPTIONS] [INPUT_FILE]\n"); |
+ printf("\n"); |
+} |
+ |
+static void opt_format(const char *arg) |
+{ |
+ iformat = av_find_input_format(arg); |
+ if (!iformat) { |
+ fprintf(stderr, "Unknown input format: %s\n", arg); |
+ exit(1); |
+ } |
+} |
+ |
+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) |
+{ |
+ show_usage(); |
+ show_help_options(options, "Main options:\n", 0, 0); |
+ printf("\n"); |
+} |
+ |
+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_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" }, |
+ { NULL, }, |
+}; |
+ |
+int main(int argc, char **argv) |
+{ |
+ av_register_all(); |
+#if CONFIG_AVDEVICE |
+ avdevice_register_all(); |
+#endif |
+ |
+ 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 ffprobe'.\n"); |
+ exit(1); |
+ } |
+ |
+ return probe_file(input_filename); |
+} |