lavfi: Add the af_channelmap audio channel mapping filter.

[ffmpeg] / avprobe.c

diff --git a/avprobe.c b/avprobe.c
index acf0ab9d495904fd4283785b384fbc7dd8623817..8e93d05ae91c85334b89dd11b3738957f9c2cbe2 100644 (file)
--- a/avprobe.c
+++ b/avprobe.c
@@ -93,6 +93,16 @@ typedef struct {
 typedef struct {
     ProbeElement *prefix;
     int level;
+    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);
 } OutputContext;
 
 static AVIOContext *probe_out = NULL;
@@ -280,6 +290,50 @@ static void json_print_string(const char *key, const char *value)
     avio_w8(probe_out, '\"');
 }
 
+/*
+ * 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 = 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 = 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.
  */
@@ -302,19 +356,6 @@ 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;
@@ -344,23 +385,23 @@ 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 +409,14 @@ 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 +424,19 @@ 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++;
 }
 
@@ -692,7 +733,10 @@ 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 == 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);
@@ -766,23 +810,29 @@ static int opt_output_format(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;
+        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")) {
-        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        = 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);
@@ -794,15 +844,15 @@ static int opt_show_format_entry(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;
 }
@@ -886,6 +936,16 @@ 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) {