No output is produced. See #92
Unified · Split
| @@ -18,11 +18,13 @@ · 17 unmodified lines | ||
| 18 | 18 | #define BUFFER_LEN 2048 |
| 19 | 19 | |
| 20 | 20 | static void simple_test (int converter, double ratio) ; |
| 21 | +static void src_simple_produces_output (int converter, int channels, double src_ratio) ; | |
| 22 | +static void src_simple_produces_output_test (int converter, double src_ratio) ; | |
| 21 | 23 | |
| 22 | 24 | int |
| 23 | 25 | main (void) |
| 24 | 26 | { static double src_ratios [] = |
| 25 | − { 1.0001, 0.099, 0.1, 0.33333333, 0.789, 1.9, 3.1, 9.9 | |
| 27 | + { 1.0001, 0.099, 0.1, 0.33333333, 0.789, 1.9, 3.1, 9.9, 256.0, 1.0 / 256.0 | |
| 26 | 28 | } ; |
| 27 | 29 | |
| 28 | 30 | int k ; |
| @@ -31,21 +33,74 @@ main (void) · 2 unmodified lines | ||
| 31 | 33 | |
| 32 | 34 | puts (" Zero Order Hold interpolator :") ; |
| 33 | 35 | for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++) |
| 34 | − simple_test (SRC_ZERO_ORDER_HOLD, src_ratios [k]) ; | |
| 36 | + { simple_test (SRC_ZERO_ORDER_HOLD, src_ratios [k]) ; | |
| 37 | + src_simple_produces_output_test (SRC_ZERO_ORDER_HOLD, src_ratios [k]) ; | |
| 38 | + } | |
| 35 | 39 | |
| 36 | 40 | puts (" Linear interpolator :") ; |
| 37 | 41 | for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++) |
| 38 | − simple_test (SRC_LINEAR, src_ratios [k]) ; | |
| 42 | + { simple_test (SRC_LINEAR, src_ratios [k]) ; | |
| 43 | + src_simple_produces_output_test (SRC_LINEAR, src_ratios [k]) ; | |
| 44 | + } | |
| 39 | 45 | |
| 40 | 46 | puts (" Sinc interpolator :") ; |
| 41 | 47 | for (k = 0 ; k < ARRAY_LEN (src_ratios) ; k++) |
| 42 | − simple_test (SRC_SINC_FASTEST, src_ratios [k]) ; | |
| 48 | + { simple_test (SRC_SINC_FASTEST, src_ratios [k]) ; | |
| 49 | + src_simple_produces_output_test (SRC_SINC_FASTEST, src_ratios [k]) ; | |
| 50 | + } | |
| 43 | 51 | |
| 44 | 52 | puts ("") ; |
| 45 | 53 | |
| 46 | 54 | return 0 ; |
| 47 | 55 | } /* main */ |
| 48 | 56 | |
| 57 | +static void | |
| 58 | +src_simple_produces_output_test (int converter, double src_ratio) | |
| 59 | +{ | |
| 60 | + for (int channels = 1; channels <= 9; channels++) | |
| 61 | + src_simple_produces_output(converter, channels, src_ratio); | |
| 62 | +} | |
| 63 | + | |
| 64 | +static void | |
| 65 | +src_simple_produces_output (int converter, int channels, double src_ratio) | |
| 66 | +{ | |
| 67 | + // Choose a suitable number of frames. | |
| 68 | + // At least 256 so a conversion ratio of 1/256 can produce any output | |
| 69 | + const long NUM_FRAMES = 1000; | |
| 70 | + int error; | |
| 71 | + | |
| 72 | + printf ("\tproduces_output\t(SRC ratio = %6.4f, channels = %d) ... ", src_ratio, channels) ; | |
| 73 | + fflush (stdout) ; | |
| 74 | + | |
| 75 | + float *input = calloc (NUM_FRAMES * channels, sizeof (float)); | |
| 76 | + float *output = calloc (NUM_FRAMES * channels, sizeof (float)); | |
| 77 | + | |
| 78 | + SRC_DATA src_data; | |
| 79 | + memset (&src_data, 0, sizeof (src_data)) ; | |
| 80 | + src_data.data_in = input; | |
| 81 | + src_data.data_out = output; | |
| 82 | + src_data.input_frames = NUM_FRAMES; | |
| 83 | + src_data.output_frames = NUM_FRAMES; | |
| 84 | + src_data.src_ratio = src_ratio; | |
| 85 | + | |
| 86 | + if ((error = src_simple (&src_data, converter, channels))) | |
| 87 | + { printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ; | |
| 88 | + exit (1) ; | |
| 89 | + } ; | |
| 90 | + if (src_data.input_frames_used == 0) | |
| 91 | + { printf ("\n\nLine %d : No input frames used.\n\n", __LINE__) ; | |
| 92 | + exit (1) ; | |
| 93 | + } ; | |
| 94 | + if (src_data.output_frames_gen == 0) | |
| 95 | + { printf ("\n\nLine %d : No output frames generated.\n\n", __LINE__) ; | |
| 96 | + exit (1) ; | |
| 97 | + } ; | |
| 98 | + free(input); | |
| 99 | + free(output); | |
| 100 | + puts ("ok") ; | |
| 101 | +} | |
| 102 | + | |
| 103 | + | |
| 49 | 104 | static void |
| 50 | 105 | simple_test (int converter, double src_ratio) |
| 51 | 106 | { static float input [BUFFER_LEN], output [BUFFER_LEN] ; |
| @@ -54,7 +109,7 @@ simple_test (int converter, double src_ratio) · 2 unmodified lines | ||
| 54 | 109 | |
| 55 | 110 | int input_len, output_len, error, terminate ; |
| 56 | 111 | |
| 57 | − printf ("\tsimple_test (SRC ratio = %6.4f) ........... ", src_ratio) ; | |
| 112 | + printf ("\tsimple_test\t(SRC ratio = %6.4f) ................. ", src_ratio) ; | |
| 58 | 113 | fflush (stdout) ; |
| 59 | 114 | |
| 60 | 115 | /* Calculate maximun input and output lengths. */ |