Changeset 75

Timestamp:

10/12/06 23:34:50 (18 years ago)

Author:

zorg

Message:

Add wav output

Location:

libmpcdec/branches/zorg

Files:

• mpcdec/mpcdec.c (modified) (5 diffs)
• win32/libmpcdec.sln (modified) (1 diff)
• win32/mpcdec.vcproj (modified) (4 diffs)

libmpcdec/branches/zorg/mpcdec/mpcdec.c

@@ -36 +36 @@
 #include <time.h>
 #include <mpcdec/mpcdec.h>
+#include <libwaveformat.h>
 
 #ifdef WIN32
@@ -41 +42 @@
 #endif
 
+t_wav_uint32 mpc_wav_output_write(void* p_user_data, void const* p_buffer, t_wav_uint32 p_bytes)
+{
+    FILE* p_handle = (FILE*) p_user_data;
+    return (t_wav_uint32) fwrite(p_buffer, 1, p_bytes, p_handle);
+}
+
+t_wav_uint32 mpc_wav_output_seek(void* p_user_data, t_wav_uint32 p_position)
+{
+    FILE* p_handle = (FILE*) p_user_data;
+    return (t_wav_uint32) !fseek(p_handle, p_position, SEEK_SET);
+}
+
 static void
 usage(const char *exename)
 {
-    printf("Usage: %s <infile.mpc>\n", exename);
+    printf("Usage: %s <infile.mpc> [<outfile.wav>]\n", exename);
 }
 
@@ -52 +65 @@
     mpc_reader reader; mpc_streaminfo si; mpc_decoder* decoder; mpc_status err;
     MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH];
-    clock_t begin, end, sum; int total_samples;
+    clock_t begin, end, sum; int total_samples; t_wav_output_file wav_output;
+    mpc_bool_t is_wav_output;
 
-    if(argc != 2)
+    if(3 < argc && argc < 2)
     {
         usage(argv[0]);
@@ -69 +83 @@
     if(err < 0) return !MPC_STATUS_OK;
 
+    is_wav_output = argc > 2;
+    if(is_wav_output)
+    {
+        t_wav_output_file_callback wavo_fc;
+        memset(&wav_output, 0, sizeof wav_output);
+        wavo_fc.m_seek      = mpc_wav_output_seek;
+        wavo_fc.m_write     = mpc_wav_output_write;
+        wavo_fc.m_user_data = fopen(argv[2], "wb");
+        if(!wavo_fc.m_user_data) return !MPC_STATUS_OK;
+        err = waveformat_output_open(&wav_output, wavo_fc, si.channels, 16, 0, si.sample_freq, (t_wav_uint32) si.pcm_samples * 2);
+        if(!err) return !MPC_STATUS_OK;
+    }
+
     sum = total_samples = 0;
     while(TRUE)
     {
         mpc_uint32_t samples;
-        begin = clock();
+
+        begin   = clock();
         samples = mpc_decoder_decode(decoder, sample_buffer, 0, 0);
-        end = clock();
+        end     = clock();
+
         if(samples <= 0) break;
-        if(!samples) break;
+        if(!samples)     break;
         total_samples += samples;
         sum           += end - begin;
+
+        if(is_wav_output)
+            if(waveformat_output_process_float32(&wav_output, sample_buffer, samples*2) < 0)
+                break;
     }
 
@@ -92 +125 @@
     mpc_decoder_exit(decoder);
     mpc_reader_exit_stdio(&reader);
+    if(is_wav_output)
+    {
+        waveformat_output_close(&wav_output);
+        fclose(wav_output.m_callback.m_user_data);
+    }
 
 #ifdef WIN32

libmpcdec/branches/zorg/win32/libmpcdec.sln

@@ -8 +8 @@
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mpcdec", "mpcdec.vcproj", "{A527175B-22A9-41AB-B2E8-580F573CCAFB}"
         ProjectSection(ProjectDependencies) = postProject
+                {13D176A2-B6BB-403F-A816-AA1F388078B7} = {13D176A2-B6BB-403F-A816-AA1F388078B7}
                 {4C5362CD-0BF2-4B3B-971B-8293EB1A1DC3} = {4C5362CD-0BF2-4B3B-971B-8293EB1A1DC3}
         EndProjectSection

libmpcdec/branches/zorg/win32/mpcdec.vcproj

@@ -42 +42 @@
                                 Optimization="0"
                                 AdditionalIncludeDirectories="../include,../libwavformat"
-                                PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
+                                PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_DEPRECATE"
                                 ExceptionHandling="0"
                                 BasicRuntimeChecks="3"
@@ -63 +63 @@
                         <Tool
                                 Name="VCLinkerTool"
-                                AdditionalDependencies="libmpcdec_d.lib"
+                                AdditionalDependencies="libmpcdec_d.lib libwavformat_d.lib"
                                 OutputFile="$(OutDir)\$(ProjectName)_d.exe"
                                 AdditionalLibraryDirectories="../bin"
@@ -125 +125 @@
                                 Name="VCCLCompilerTool"
                                 AdditionalIncludeDirectories="../include,../libwavformat"
-                                PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
+                                PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;_CRT_SECURE_NO_DEPRECATE"
                                 ExceptionHandling="0"
                                 BufferSecurityCheck="false"
@@ -145 +145 @@
                         <Tool
                                 Name="VCLinkerTool"
-                                AdditionalDependencies="libmpcdec.lib"
+                                AdditionalDependencies="libmpcdec.lib libwavformat.lib"
                                 AdditionalLibraryDirectories="../bin"
                                 GenerateManifest="false"