dca: Convert dca_dmixtable to integers
[ffmpeg.git] / avprobe.c
index ae2eb20..c7b3d39 100644 (file)
--- a/avprobe.c
+++ b/avprobe.c
 
 #include "libavformat/avformat.h"
 #include "libavcodec/avcodec.h"
+#include "libavutil/avstring.h"
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/dict.h"
+#include "libavutil/libm.h"
 #include "libavdevice/avdevice.h"
 #include "cmdutils.h"
 
@@ -44,7 +46,7 @@ static int use_byte_value_binary_prefix = 0;
 static int use_value_sexagesimal_format = 0;
 
 /* globals */
-static const OptionDef options[];
+static const OptionDef *options;
 
 /* AVprobe context */
 static const char *input_filename;
@@ -58,10 +60,9 @@ static const char unit_hertz_str[]          = "Hz"   ;
 static const char unit_byte_str[]           = "byte" ;
 static const char unit_bit_per_second_str[] = "bit/s";
 
-void exit_program(int ret)
+static void avprobe_cleanup(int ret)
 {
     av_dict_free(&fmt_entries_to_show);
-    exit(ret);
 }
 
 /*
@@ -81,22 +82,32 @@ void exit_program(int ret)
 typedef enum {
     ARRAY,
     OBJECT
-} ProbeElementType;
+} PrintElementType;
 
 typedef struct {
     const char *name;
-    ProbeElementType type;
+    PrintElementType type;
     int64_t index;
     int64_t nb_elems;
-} ProbeElement;
+} PrintElement;
 
 typedef struct {
-    ProbeElement *prefix;
+    PrintElement *prefix;
     int level;
-} OutputContext;
+    void (*print_header)(void);
+    void (*print_footer)(void);
+
+    void (*print_array_header) (const char *name);
+    void (*print_array_footer) (const char *name);
+    void (*print_object_header)(const char *name);
+    void (*print_object_footer)(const char *name);
+
+    void (*print_integer) (const char *key, int64_t value);
+    void (*print_string)  (const char *key, const char *value);
+} PrintContext;
 
 static AVIOContext *probe_out = NULL;
-static OutputContext octx;
+static PrintContext octx;
 #define AVP_INDENT() avio_printf(probe_out, "%*c", octx.level * 2, ' ')
 
 /*
@@ -155,7 +166,7 @@ static void ini_print_array_header(const char *name)
 static void ini_print_object_header(const char *name)
 {
     int i;
-    ProbeElement *el = octx.prefix + octx.level -1;
+    PrintElement *el = octx.prefix + octx.level -1;
 
     if (el->nb_elems)
         avio_printf(probe_out, "\n");
@@ -281,6 +292,50 @@ static void json_print_string(const char *key, const char *value)
 }
 
 /*
+ * old-style pseudo-INI
+ */
+static void old_print_object_header(const char *name)
+{
+    char *str, *p;
+
+    if (!strcmp(name, "tags"))
+        return;
+
+    str = p = av_strdup(name);
+    while (*p) {
+        *p = av_toupper(*p);
+        p++;
+    }
+
+    avio_printf(probe_out, "[%s]\n", str);
+    av_freep(&str);
+}
+
+static void old_print_object_footer(const char *name)
+{
+    char *str, *p;
+
+    if (!strcmp(name, "tags"))
+        return;
+
+    str = p = av_strdup(name);
+    while (*p) {
+        *p = av_toupper(*p);
+        p++;
+    }
+
+    avio_printf(probe_out, "[/%s]\n", str);
+    av_freep(&str);
+}
+
+static void old_print_string(const char *key, const char *value)
+{
+    if (!strcmp(octx.prefix[octx.level - 1].name, "tags"))
+        avio_printf(probe_out, "TAG:");
+    ini_print_string(key, value);
+}
+
+/*
  * Simple Formatter for single entries.
  */
 
@@ -302,39 +357,26 @@ static void show_format_entry_string(const char *key, const char *value)
     }
 }
 
-
-void (*print_header)(void) = ini_print_header;
-void (*print_footer)(void) = ini_print_footer;
-
-void (*print_array_header) (const char *name) = ini_print_array_header;
-void (*print_array_footer) (const char *name);
-void (*print_object_header)(const char *name) = ini_print_object_header;
-void (*print_object_footer)(const char *name);
-
-void (*print_integer) (const char *key, int64_t value)     = ini_print_integer;
-void (*print_string)  (const char *key, const char *value) = ini_print_string;
-
-
 static void probe_group_enter(const char *name, int type)
 {
     int64_t count = -1;
 
     octx.prefix =
-        av_realloc(octx.prefix, sizeof(ProbeElement) * (octx.level + 1));
+        av_realloc(octx.prefix, sizeof(PrintElement) * (octx.level + 1));
 
     if (!octx.prefix || !name) {
         fprintf(stderr, "Out of memory\n");
-        exit(1);
+        exit_program(1);
     }
 
     if (octx.level) {
-        ProbeElement *parent = octx.prefix + octx.level -1;
+        PrintElement *parent = octx.prefix + octx.level -1;
         if (parent->type == ARRAY)
             count = parent->nb_elems;
         parent->nb_elems++;
     }
 
-    octx.prefix[octx.level++] = (ProbeElement){name, type, count, 0};
+    octx.prefix[octx.level++] = (PrintElement){name, type, count, 0};
 }
 
 static void probe_group_leave(void)
@@ -344,23 +386,23 @@ static void probe_group_leave(void)
 
 static void probe_header(void)
 {
-    if (print_header)
-        print_header();
+    if (octx.print_header)
+        octx.print_header();
     probe_group_enter("root", OBJECT);
 }
 
 static void probe_footer(void)
 {
-    if (print_footer)
-        print_footer();
+    if (octx.print_footer)
+        octx.print_footer();
     probe_group_leave();
 }
 
 
 static void probe_array_header(const char *name)
 {
-    if (print_array_header)
-        print_array_header(name);
+    if (octx.print_array_header)
+        octx.print_array_header(name);
 
     probe_group_enter(name, ARRAY);
 }
@@ -368,14 +410,14 @@ static void probe_array_header(const char *name)
 static void probe_array_footer(const char *name)
 {
     probe_group_leave();
-    if (print_array_footer)
-        print_array_footer(name);
+    if (octx.print_array_footer)
+        octx.print_array_footer(name);
 }
 
 static void probe_object_header(const char *name)
 {
-    if (print_object_header)
-        print_object_header(name);
+    if (octx.print_object_header)
+        octx.print_object_header(name);
 
     probe_group_enter(name, OBJECT);
 }
@@ -383,19 +425,19 @@ static void probe_object_header(const char *name)
 static void probe_object_footer(const char *name)
 {
     probe_group_leave();
-    if (print_object_footer)
-        print_object_footer(name);
+    if (octx.print_object_footer)
+        octx.print_object_footer(name);
 }
 
 static void probe_int(const char *key, int64_t value)
 {
-    print_integer(key, value);
+    octx.print_integer(key, value);
     octx.prefix[octx.level -1].nb_elems++;
 }
 
 static void probe_str(const char *key, const char *value)
 {
-    print_string(key, value);
+    octx.print_string(key, value);
     octx.prefix[octx.level -1].nb_elems++;
 }
 
@@ -427,7 +469,7 @@ static char *value_string(char *buf, int buf_size, double val, const char *unit)
         int index;
 
         if (unit == unit_byte_str && use_byte_value_binary_prefix) {
-            index = (int) (log(val)/log(2)) / 10;
+            index = (int) log2(val) / 10;
             index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
             val  /= pow(2, index * 10);
             prefix_string = binary_unit_prefixes[index];
@@ -484,20 +526,6 @@ static char *tag_string(char *buf, int buf_size, int tag)
     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];
@@ -539,10 +567,11 @@ static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
 {
     AVStream *stream = fmt_ctx->streams[stream_idx];
     AVCodecContext *dec_ctx;
-    AVCodec *dec;
+    const AVCodec *dec;
     const char *profile;
     char val_str[128];
-    AVRational display_aspect_ratio;
+    AVRational display_aspect_ratio, *sar = NULL;
+    const AVPixFmtDescriptor *desc;
 
     probe_object_header("stream");
 
@@ -576,21 +605,23 @@ static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
             probe_int("width", dec_ctx->width);
             probe_int("height", dec_ctx->height);
             probe_int("has_b_frames", dec_ctx->has_b_frames);
-            if (dec_ctx->sample_aspect_ratio.num) {
+            if (dec_ctx->sample_aspect_ratio.num)
+                sar = &dec_ctx->sample_aspect_ratio;
+            else if (stream->sample_aspect_ratio.num)
+                sar = &stream->sample_aspect_ratio;
+
+            if (sar) {
                 probe_str("sample_aspect_ratio",
-                          rational_string(val_str, sizeof(val_str), ":",
-                          &dec_ctx->sample_aspect_ratio));
+                          rational_string(val_str, sizeof(val_str), ":", sar));
                 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,
+                          dec_ctx->width  * sar->num, dec_ctx->height * sar->den,
                           1024*1024);
                 probe_str("display_aspect_ratio",
                           rational_string(val_str, sizeof(val_str), ":",
                           &display_aspect_ratio));
             }
-            probe_str("pix_fmt",
-                      dec_ctx->pix_fmt != PIX_FMT_NONE ? av_pix_fmt_descriptors[dec_ctx->pix_fmt].name
-                                                    : "unknown");
+            desc = av_pix_fmt_desc_get(dec_ctx->pix_fmt);
+            probe_str("pix_fmt", desc ? desc->name : "unknown");
             probe_int("level", dec_ctx->level);
             break;
 
@@ -610,12 +641,13 @@ static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
 
     if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
         probe_int("id", stream->id);
-    probe_str("r_frame_rate",
-              rational_string(val_str, sizeof(val_str), "/",
-              &stream->r_frame_rate));
     probe_str("avg_frame_rate",
               rational_string(val_str, sizeof(val_str), "/",
               &stream->avg_frame_rate));
+    if (dec_ctx->bit_rate)
+        probe_str("bit_rate",
+                  value_string(val_str, sizeof(val_str),
+                               dec_ctx->bit_rate, unit_bit_per_second_str));
     probe_str("time_base",
               rational_string(val_str, sizeof(val_str), "/",
               &stream->time_base));
@@ -692,7 +724,10 @@ static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
         AVStream *stream = fmt_ctx->streams[i];
         AVCodec *codec;
 
-        if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
+        if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
+            fprintf(stderr, "Failed to probe codec for input stream %d\n",
+                    stream->index);
+        } else 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);
@@ -752,7 +787,7 @@ static void show_usage(void)
     printf("\n");
 }
 
-static int opt_format(const char *opt, const char *arg)
+static int opt_format(void *optctx, const char *opt, const char *arg)
 {
     iformat = av_find_input_format(arg);
     if (!iformat) {
@@ -762,28 +797,33 @@ static int opt_format(const char *opt, const char *arg)
     return 0;
 }
 
-static int opt_output_format(const char *opt, const char *arg)
+static int opt_output_format(void *optctx, const char *opt, const char *arg)
 {
 
     if (!strcmp(arg, "json")) {
-        print_header        = json_print_header;
-        print_footer        = json_print_footer;
-        print_array_header  = json_print_array_header;
-        print_array_footer  = json_print_array_footer;
-        print_object_header = json_print_object_header;
-        print_object_footer = json_print_object_footer;
-
-        print_integer = json_print_integer;
-        print_string  = json_print_string;
-    } else
-    if (!strcmp(arg, "ini")) {
-        print_header        = ini_print_header;
-        print_footer        = ini_print_footer;
-        print_array_header  = ini_print_array_header;
-        print_object_header = ini_print_object_header;
-
-        print_integer = ini_print_integer;
-        print_string  = ini_print_string;
+        octx.print_header        = json_print_header;
+        octx.print_footer        = json_print_footer;
+        octx.print_array_header  = json_print_array_header;
+        octx.print_array_footer  = json_print_array_footer;
+        octx.print_object_header = json_print_object_header;
+        octx.print_object_footer = json_print_object_footer;
+
+        octx.print_integer = json_print_integer;
+        octx.print_string  = json_print_string;
+    } else if (!strcmp(arg, "ini")) {
+        octx.print_header        = ini_print_header;
+        octx.print_footer        = ini_print_footer;
+        octx.print_array_header  = ini_print_array_header;
+        octx.print_object_header = ini_print_object_header;
+
+        octx.print_integer = ini_print_integer;
+        octx.print_string  = ini_print_string;
+    } else if (!strcmp(arg, "old")) {
+        octx.print_header        = NULL;
+        octx.print_object_header = old_print_object_header;
+        octx.print_object_footer = old_print_object_footer;
+
+        octx.print_string        = old_print_string;
     } else {
         av_log(NULL, AV_LOG_ERROR, "Unsupported formatter %s\n", arg);
         return AVERROR(EINVAL);
@@ -791,19 +831,19 @@ static int opt_output_format(const char *opt, const char *arg)
     return 0;
 }
 
-static int opt_show_format_entry(const char *opt, const char *arg)
+static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
 {
     do_show_format = 1;
     nb_fmt_entries_to_show++;
-    print_header        = NULL;
-    print_footer        = NULL;
-    print_array_header  = NULL;
-    print_array_footer  = NULL;
-    print_object_header = NULL;
-    print_object_footer = NULL;
-
-    print_integer = show_format_entry_integer;
-    print_string  = show_format_entry_string;
+    octx.print_header        = NULL;
+    octx.print_footer        = NULL;
+    octx.print_array_header  = NULL;
+    octx.print_array_footer  = NULL;
+    octx.print_object_header = NULL;
+    octx.print_object_footer = NULL;
+
+    octx.print_integer = show_format_entry_integer;
+    octx.print_string  = show_format_entry_string;
     av_dict_set(&fmt_entries_to_show, arg, "", 0);
     return 0;
 }
@@ -814,50 +854,51 @@ static void opt_input_file(void *optctx, const char *arg)
         fprintf(stderr,
                 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
                 arg, input_filename);
-        exit(1);
+        exit_program(1);
     }
     if (!strcmp(arg, "-"))
         arg = "pipe:";
     input_filename = arg;
 }
 
-static void show_help(void)
+void show_help_default(const char *opt, const char *arg)
 {
     av_log_set_callback(log_callback_help);
     show_usage();
-    show_help_options(options, "Main options:\n", 0, 0);
+    show_help_options(options, "Main options:", 0, 0, 0);
     printf("\n");
     show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
 }
 
-static void opt_pretty(void)
+static int opt_pretty(void *optctx, const char *opt, const char *arg)
 {
     show_value_unit              = 1;
     use_value_prefix             = 1;
     use_byte_value_binary_prefix = 1;
     use_value_sexagesimal_format = 1;
+    return 0;
 }
 
-static const OptionDef options[] = {
+static const OptionDef real_options[] = {
 #include "cmdutils_common_opts.h"
-    { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
-    { "of", HAS_ARG, {(void*)&opt_output_format}, "output the document either as ini or json", "output_format" },
-    { "unit", OPT_BOOL, {(void*)&show_value_unit},
+    { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
+    { "of", HAS_ARG, {.func_arg = opt_output_format}, "output the document either as ini or json", "output_format" },
+    { "unit", OPT_BOOL, {&show_value_unit},
       "show unit of the displayed values" },
-    { "prefix", OPT_BOOL, {(void*)&use_value_prefix},
+    { "prefix", OPT_BOOL, {&use_value_prefix},
       "use SI prefixes for the displayed values" },
-    { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
+    { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
       "use binary prefixes for byte units" },
-    { "sexagesimal", OPT_BOOL,  {(void*)&use_value_sexagesimal_format},
+    { "sexagesimal", OPT_BOOL,  {&use_value_sexagesimal_format},
       "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
-    { "pretty", 0, {(void*)&opt_pretty},
+    { "pretty", 0, {.func_arg = 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_format_entry", HAS_ARG, {(void*)opt_show_format_entry},
+    { "show_format",  OPT_BOOL, {&do_show_format} , "show format/container info" },
+    { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
       "show a particular entry from the format/container info", "entry" },
-    { "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},
+    { "show_packets", OPT_BOOL, {&do_show_packets}, "show packets info" },
+    { "show_streams", OPT_BOOL, {&do_show_streams}, "show streams info" },
+    { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default},
       "generic catch all option", "" },
     { NULL, },
 };
@@ -878,6 +919,9 @@ int main(int argc, char **argv)
     if (!buffer)
         exit(1);
 
+    register_exit(avprobe_cleanup);
+
+    options = real_options;
     parse_loglevel(argc, argv, options);
     av_register_all();
     avformat_network_init();
@@ -887,6 +931,16 @@ int main(int argc, char **argv)
 #endif
 
     show_banner();
+
+    octx.print_header = ini_print_header;
+    octx.print_footer = ini_print_footer;
+
+    octx.print_array_header = ini_print_array_header;
+    octx.print_object_header = ini_print_object_header;
+
+    octx.print_integer = ini_print_integer;
+    octx.print_string = ini_print_string;
+
     parse_options(NULL, argc, argv, options, opt_input_file);
 
     if (!input_filename) {
@@ -895,13 +949,13 @@ int main(int argc, char **argv)
         fprintf(stderr,
                 "Use -h to get full help or, even better, run 'man %s'.\n",
                 program_name);
-        exit(1);
+        exit_program(1);
     }
 
     probe_out = avio_alloc_context(buffer, AVP_BUFFSIZE, 1, NULL, NULL,
                                  probe_buf_write, NULL);
     if (!probe_out)
-        exit(1);
+        exit_program(1);
 
     probe_header();
     ret = probe_file(input_filename);