-
Notifications
You must be signed in to change notification settings - Fork 252
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
cf0b71e
commit 7399b5a
Showing
160 changed files
with
398,365 additions
and
398,365 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,124 +1,124 @@ | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include "audio_encode.h" | ||
| #include "mono.h" | ||
| #include "Aencode.h" | ||
|
|
||
| long aenc_ReadSamp(void *data) { | ||
| FILE *f = (FILE *)data; | ||
| int a, b; | ||
| a = getc(f); | ||
| if (a == EOF) | ||
| return ReadSampleEof; | ||
|
|
||
| b = getc(f); | ||
| if (b == EOF) | ||
| return ReadSampleEof; | ||
| return (short)((b << 8) + a); | ||
| } | ||
|
|
||
| int aenc_Compress(char *input_filename, char *output_filename, int *input_levels, int *input_samples, int *input_rate, | ||
| int *input_channels, float *input_factor, float *input_volscale) { | ||
| FILE *in, *out; | ||
| long result; | ||
|
|
||
| int levels, samples_per_subband; | ||
| unsigned sample_rate, channels; | ||
| float factor, volume_scale; | ||
| int levels_set = 0, samples_per_subband_set = 0, sample_rate_set = 0, channels_set = 0, factor_set = 0, | ||
| volume_scale_set = 0; | ||
|
|
||
| in = fopen(input_filename, "rb"); | ||
| if (!in) { | ||
| mprintf((0, "AENC: Unable to open %s for input.\n", input_filename)); | ||
| return 0; | ||
| } | ||
|
|
||
| if (input_levels) { | ||
| levels = *input_levels; // Levels (default 7 or for 2k total) | ||
| levels_set = 1; | ||
| if (levels < 0 || levels > 16) { | ||
| mprintf((0, "AENC: Warning: levels outside of the range 0 to 16\n")); | ||
| } | ||
| } | ||
|
|
||
| if (input_samples) { | ||
| samples_per_subband = *input_samples; // Samples per subband (default 16 or for 2k total) | ||
| samples_per_subband_set = 1; | ||
| if (samples_per_subband < 1 || samples_per_subband > 1024) { | ||
| mprintf((0, "AENC: Warning: samples per subband not in the range 1 to 1024\n")); | ||
| } | ||
| } | ||
|
|
||
| if (input_rate) { | ||
| sample_rate = *input_rate; // Sample rate (default 22K) | ||
| sample_rate_set = 1; | ||
| if (sample_rate != 11025 && sample_rate != 22050 && sample_rate != 44100) { | ||
| mprintf((0, "AENC: Warning: sample rate not 11025, 22050, or 44100\n")); | ||
| } | ||
| } | ||
|
|
||
| if (input_channels) { | ||
| channels = *input_channels; | ||
| channels_set = 1; | ||
| if (channels != 1 && channels != 2) { | ||
| mprintf((0, "AENC: Warning: /C channels not 1 or 2\n")); | ||
| } | ||
| } | ||
|
|
||
| if (input_factor) { | ||
| factor = *input_factor; // Factor of compression (default 4 for 22K, 8 for 44K) | ||
| factor_set = 1; | ||
|
|
||
| if (factor < 1.0f && factor) | ||
| factor = 1.0f / factor; | ||
|
|
||
| if (factor <= 0.0f) { | ||
| mprintf((0, "AENC: Warning: compression factor <= 0.0\n")); | ||
| factor = 1.0f; | ||
| } | ||
| } | ||
|
|
||
| if (input_volscale) { | ||
| volume_scale = *input_volscale; // Volume scaling (slightly <= 1.0, default ,97) | ||
| volume_scale_set = 1; | ||
| } | ||
|
|
||
| if (!levels_set && !samples_per_subband_set) { | ||
| levels = 7, samples_per_subband = 16; | ||
| } else if (!samples_per_subband_set) { | ||
| samples_per_subband = 2048 / (1 << levels); | ||
|
|
||
| if (samples_per_subband < 8) | ||
| samples_per_subband = 8; | ||
| } else if (!levels_set) { | ||
| unsigned subbands = (2048 / samples_per_subband) >> 1; | ||
|
|
||
| for (levels = 0; subbands; subbands >>= 1, ++levels) | ||
| ; | ||
| } | ||
|
|
||
| if (!sample_rate_set) | ||
| sample_rate = 22050; | ||
| if (!channels_set) | ||
| channels = 1; | ||
| if (!factor_set) | ||
| factor = sample_rate <= 22050 ? 4.0f : 8.0f; | ||
| if (!volume_scale_set) | ||
| volume_scale = .97f; | ||
|
|
||
| out = fopen(output_filename, "wb"); | ||
| if (!out) { | ||
| mprintf((0, "AENC: Unable to open %s for output.\n", output_filename)); | ||
| return 0; | ||
| } | ||
|
|
||
| result = AudioEncode(aenc_ReadSamp, in, channels, sample_rate, volume_scale, out, levels, samples_per_subband, | ||
| 1.0f / factor); | ||
|
|
||
| fclose(out); | ||
| fclose(in); | ||
|
|
||
| return 1; | ||
| } | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include "audio_encode.h" | ||
| #include "mono.h" | ||
| #include "Aencode.h" | ||
|
|
||
| long aenc_ReadSamp(void *data) { | ||
| FILE *f = (FILE *)data; | ||
| int a, b; | ||
| a = getc(f); | ||
| if (a == EOF) | ||
| return ReadSampleEof; | ||
|
|
||
| b = getc(f); | ||
| if (b == EOF) | ||
| return ReadSampleEof; | ||
| return (short)((b << 8) + a); | ||
| } | ||
|
|
||
| int aenc_Compress(char *input_filename, char *output_filename, int *input_levels, int *input_samples, int *input_rate, | ||
| int *input_channels, float *input_factor, float *input_volscale) { | ||
| FILE *in, *out; | ||
| long result; | ||
|
|
||
| int levels, samples_per_subband; | ||
| unsigned sample_rate, channels; | ||
| float factor, volume_scale; | ||
| int levels_set = 0, samples_per_subband_set = 0, sample_rate_set = 0, channels_set = 0, factor_set = 0, | ||
| volume_scale_set = 0; | ||
|
|
||
| in = fopen(input_filename, "rb"); | ||
| if (!in) { | ||
| mprintf((0, "AENC: Unable to open %s for input.\n", input_filename)); | ||
| return 0; | ||
| } | ||
|
|
||
| if (input_levels) { | ||
| levels = *input_levels; // Levels (default 7 or for 2k total) | ||
| levels_set = 1; | ||
| if (levels < 0 || levels > 16) { | ||
| mprintf((0, "AENC: Warning: levels outside of the range 0 to 16\n")); | ||
| } | ||
| } | ||
|
|
||
| if (input_samples) { | ||
| samples_per_subband = *input_samples; // Samples per subband (default 16 or for 2k total) | ||
| samples_per_subband_set = 1; | ||
| if (samples_per_subband < 1 || samples_per_subband > 1024) { | ||
| mprintf((0, "AENC: Warning: samples per subband not in the range 1 to 1024\n")); | ||
| } | ||
| } | ||
|
|
||
| if (input_rate) { | ||
| sample_rate = *input_rate; // Sample rate (default 22K) | ||
| sample_rate_set = 1; | ||
| if (sample_rate != 11025 && sample_rate != 22050 && sample_rate != 44100) { | ||
| mprintf((0, "AENC: Warning: sample rate not 11025, 22050, or 44100\n")); | ||
| } | ||
| } | ||
|
|
||
| if (input_channels) { | ||
| channels = *input_channels; | ||
| channels_set = 1; | ||
| if (channels != 1 && channels != 2) { | ||
| mprintf((0, "AENC: Warning: /C channels not 1 or 2\n")); | ||
| } | ||
| } | ||
|
|
||
| if (input_factor) { | ||
| factor = *input_factor; // Factor of compression (default 4 for 22K, 8 for 44K) | ||
| factor_set = 1; | ||
|
|
||
| if (factor < 1.0f && factor) | ||
| factor = 1.0f / factor; | ||
|
|
||
| if (factor <= 0.0f) { | ||
| mprintf((0, "AENC: Warning: compression factor <= 0.0\n")); | ||
| factor = 1.0f; | ||
| } | ||
| } | ||
|
|
||
| if (input_volscale) { | ||
| volume_scale = *input_volscale; // Volume scaling (slightly <= 1.0, default ,97) | ||
| volume_scale_set = 1; | ||
| } | ||
|
|
||
| if (!levels_set && !samples_per_subband_set) { | ||
| levels = 7, samples_per_subband = 16; | ||
| } else if (!samples_per_subband_set) { | ||
| samples_per_subband = 2048 / (1 << levels); | ||
|
|
||
| if (samples_per_subband < 8) | ||
| samples_per_subband = 8; | ||
| } else if (!levels_set) { | ||
| unsigned subbands = (2048 / samples_per_subband) >> 1; | ||
|
|
||
| for (levels = 0; subbands; subbands >>= 1, ++levels) | ||
| ; | ||
| } | ||
|
|
||
| if (!sample_rate_set) | ||
| sample_rate = 22050; | ||
| if (!channels_set) | ||
| channels = 1; | ||
| if (!factor_set) | ||
| factor = sample_rate <= 22050 ? 4.0f : 8.0f; | ||
| if (!volume_scale_set) | ||
| volume_scale = .97f; | ||
|
|
||
| out = fopen(output_filename, "wb"); | ||
| if (!out) { | ||
| mprintf((0, "AENC: Unable to open %s for output.\n", output_filename)); | ||
| return 0; | ||
| } | ||
|
|
||
| result = AudioEncode(aenc_ReadSamp, in, channels, sample_rate, volume_scale, out, levels, samples_per_subband, | ||
| 1.0f / factor); | ||
|
|
||
| fclose(out); | ||
| fclose(in); | ||
|
|
||
| return 1; | ||
| } |
Oops, something went wrong.