| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pjmedia/wsola.h> |
| #include <pj/log.h> |
| #include <pj/pool.h> |
| #include <pj/os.h> |
| #include <stdio.h> |
| #include <assert.h> |
| |
| #define CLOCK_RATE 16000 |
| #define SAMPLES_PER_FRAME (10 * CLOCK_RATE / 1000) |
| |
| #define RESET() memset(buf1, 0, sizeof(buf1)), \ |
| memset(buf2, 0, sizeof(buf2)), \ |
| memset(frm1, 0, sizeof(frm1)), \ |
| memset(frm2, 0, sizeof(frm2)) |
| |
| #if 0 |
| void test_find_pitch(void) |
| { |
| enum { ON = 111, FRM_PART_LEN=20 }; |
| short buf2[SAMPLES_PER_FRAME*2], buf1[SAMPLES_PER_FRAME*2], |
| frm2[SAMPLES_PER_FRAME], frm1[SAMPLES_PER_FRAME]; |
| short *ref, *pos; |
| |
| /* Case 1. all contiguous */ |
| RESET(); |
| ref = buf1 + 10; |
| *ref = ON; |
| frm1[0] = ON; |
| |
| pos = pjmedia_wsola_find_pitch(frm1, SAMPLES_PER_FRAME, NULL, 0, |
| buf1, SAMPLES_PER_FRAME*2, NULL, 0, PJ_TRUE); |
| assert(pos == ref); |
| |
| /* Case 2: contiguous buffer, non-contiguous frame */ |
| RESET(); |
| ref = buf1 + 17; |
| *ref = ON; |
| *(ref+FRM_PART_LEN) = ON; |
| frm1[0] = ON; |
| frm2[0] = ON; |
| |
| /* Noise */ |
| buf1[0] = ON; |
| |
| pos = pjmedia_wsola_find_pitch(frm1, FRM_PART_LEN, frm2, SAMPLES_PER_FRAME - FRM_PART_LEN, |
| buf1, SAMPLES_PER_FRAME*2, NULL, 0, PJ_TRUE); |
| assert(pos == ref); |
| |
| /* Case 3: non-contiguous buffer, contiguous frame, found in buf1 */ |
| RESET(); |
| ref = buf1 + 17; |
| *ref = ON; |
| buf2[17] = ON; |
| frm1[0] = ON; |
| frm1[FRM_PART_LEN] = ON; |
| |
| /* Noise */ |
| buf1[0] = ON; |
| |
| pos = pjmedia_wsola_find_pitch(frm1, SAMPLES_PER_FRAME, NULL, 0, |
| buf1, FRM_PART_LEN, |
| buf2, SAMPLES_PER_FRAME, |
| PJ_TRUE); |
| |
| assert(pos == ref); |
| } |
| #endif |
| |
| int expand(pj_pool_t *pool, const char *filein, const char *fileout, |
| int expansion_rate100, int lost_rate10, int lost_burst) |
| { |
| enum { LOST_RATE = 10 }; |
| FILE *in, *out; |
| short frame[SAMPLES_PER_FRAME]; |
| pjmedia_wsola *wsola; |
| pj_timestamp elapsed, zero; |
| unsigned samples; |
| int last_lost = 0; |
| |
| /* Lost burst must be > 0 */ |
| assert(lost_rate10==0 || lost_burst > 0); |
| |
| in = fopen(filein, "rb"); |
| if (!in) return 1; |
| out = fopen(fileout, "wb"); |
| if (!out) return 1; |
| |
| pjmedia_wsola_create(pool, CLOCK_RATE, SAMPLES_PER_FRAME, 1, 0, &wsola); |
| |
| samples = 0; |
| elapsed.u64 = 0; |
| |
| while (fread(frame, SAMPLES_PER_FRAME*2, 1, in) == 1) { |
| pj_timestamp t1, t2; |
| |
| if (lost_rate10 == 0) { |
| |
| /* Expansion */ |
| pj_get_timestamp(&t1); |
| pjmedia_wsola_save(wsola, frame, 0); |
| pj_get_timestamp(&t2); |
| |
| pj_sub_timestamp(&t2, &t1); |
| pj_add_timestamp(&elapsed, &t2); |
| |
| fwrite(frame, SAMPLES_PER_FRAME*2, 1, out); |
| |
| samples += SAMPLES_PER_FRAME; |
| |
| if ((rand() % 100) < expansion_rate100) { |
| |
| pj_get_timestamp(&t1); |
| pjmedia_wsola_generate(wsola, frame); |
| pj_get_timestamp(&t2); |
| |
| pj_sub_timestamp(&t2, &t1); |
| pj_add_timestamp(&elapsed, &t2); |
| |
| samples += SAMPLES_PER_FRAME; |
| |
| fwrite(frame, SAMPLES_PER_FRAME*2, 1, out); |
| } |
| |
| } else { |
| /* Lost */ |
| |
| if ((rand() % 10) < lost_rate10) { |
| int burst; |
| |
| for (burst=0; burst<lost_burst; ++burst) { |
| pj_get_timestamp(&t1); |
| pjmedia_wsola_generate(wsola, frame); |
| pj_get_timestamp(&t2); |
| |
| pj_sub_timestamp(&t2, &t1); |
| pj_add_timestamp(&elapsed, &t2); |
| |
| samples += SAMPLES_PER_FRAME; |
| |
| fwrite(frame, SAMPLES_PER_FRAME*2, 1, out); |
| } |
| last_lost = 1; |
| } else { |
| pj_get_timestamp(&t1); |
| pjmedia_wsola_save(wsola, frame, last_lost); |
| pj_get_timestamp(&t2); |
| |
| pj_sub_timestamp(&t2, &t1); |
| pj_add_timestamp(&elapsed, &t2); |
| |
| samples += SAMPLES_PER_FRAME; |
| |
| fwrite(frame, SAMPLES_PER_FRAME*2, 1, out); |
| last_lost = 0; |
| } |
| |
| } |
| |
| } |
| |
| zero.u64 = 0; |
| zero.u64 = pj_elapsed_usec(&zero, &elapsed); |
| |
| zero.u64 = samples * PJ_INT64(1000000) / zero.u64; |
| assert(zero.u32.hi == 0); |
| |
| PJ_LOG(3,("test.c", "Processing: %f Msamples per second", |
| zero.u32.lo/1000000.0)); |
| PJ_LOG(3,("test.c", "CPU load for current settings: %f%%", |
| CLOCK_RATE * 100.0 / zero.u32.lo)); |
| |
| pjmedia_wsola_destroy(wsola); |
| fclose(in); |
| fclose(out); |
| |
| return 0; |
| } |
| |
| static void save_file(const char *file, |
| short frame[], unsigned count) |
| { |
| FILE *f = fopen(file, "wb"); |
| fwrite(frame, count, 2, f); |
| fclose(f); |
| } |
| |
| int compress(pj_pool_t *pool, |
| const char *filein, const char *fileout, |
| int rate10) |
| { |
| enum { BUF_CNT = SAMPLES_PER_FRAME * 10 }; |
| FILE *in, *out; |
| pjmedia_wsola *wsola; |
| short buf[BUF_CNT]; |
| pj_timestamp elapsed, zero; |
| unsigned samples = 0; |
| |
| in = fopen(filein, "rb"); |
| if (!in) return 1; |
| out = fopen(fileout, "wb"); |
| if (!out) return 1; |
| |
| pjmedia_wsola_create(pool, CLOCK_RATE, SAMPLES_PER_FRAME, 1, 0, &wsola); |
| |
| elapsed.u64 = 0; |
| |
| for (;;) { |
| unsigned size_del, count; |
| pj_timestamp t1, t2; |
| int i; |
| |
| if (fread(buf, sizeof(buf), 1, in) != 1) |
| break; |
| |
| count = BUF_CNT; |
| size_del = 0; |
| pj_get_timestamp(&t1); |
| |
| for (i=0; i<rate10; ++i) { |
| unsigned to_del = SAMPLES_PER_FRAME; |
| #if 0 |
| /* Method 1: buf1 contiguous */ |
| pjmedia_wsola_discard(wsola, buf, count, NULL, 0, &to_del); |
| #elif 0 |
| /* Method 2: split, majority in buf1 */ |
| assert(count > SAMPLES_PER_FRAME); |
| pjmedia_wsola_discard(wsola, buf, count-SAMPLES_PER_FRAME, |
| buf+count-SAMPLES_PER_FRAME, SAMPLES_PER_FRAME, |
| &to_del); |
| #elif 0 |
| /* Method 3: split, majority in buf2 */ |
| assert(count > SAMPLES_PER_FRAME); |
| pjmedia_wsola_discard(wsola, buf, SAMPLES_PER_FRAME, |
| buf+SAMPLES_PER_FRAME, count-SAMPLES_PER_FRAME, |
| &to_del); |
| #elif 1 |
| /* Method 4: split, each with small length */ |
| enum { TOT_LEN = 3 * SAMPLES_PER_FRAME }; |
| unsigned buf1_len = (rand() % TOT_LEN); |
| short *ptr = buf + count - TOT_LEN; |
| assert(count > TOT_LEN); |
| if (buf1_len==0) buf1_len=SAMPLES_PER_FRAME*2; |
| pjmedia_wsola_discard(wsola, ptr, buf1_len, |
| ptr+buf1_len, TOT_LEN-buf1_len, |
| &to_del); |
| #endif |
| count -= to_del; |
| size_del += to_del; |
| } |
| pj_get_timestamp(&t2); |
| |
| samples += BUF_CNT; |
| |
| pj_sub_timestamp(&t2, &t1); |
| pj_add_timestamp(&elapsed, &t2); |
| |
| assert(size_del >= SAMPLES_PER_FRAME); |
| |
| fwrite(buf, count, 2, out); |
| } |
| |
| pjmedia_wsola_destroy(wsola); |
| fclose(in); |
| fclose(out); |
| |
| zero.u64 = 0; |
| zero.u64 = pj_elapsed_usec(&zero, &elapsed); |
| |
| zero.u64 = samples * PJ_INT64(1000000) / zero.u64; |
| assert(zero.u32.hi == 0); |
| |
| PJ_LOG(3,("test.c", "Processing: %f Msamples per second", |
| zero.u32.lo/1000000.0)); |
| PJ_LOG(3,("test.c", "CPU load for current settings: %f%%", |
| CLOCK_RATE * 100.0 / zero.u32.lo)); |
| |
| return 0; |
| } |
| |
| |
| static void mem_test(pj_pool_t *pool) |
| { |
| char unused[1024]; |
| short *frame = pj_pool_alloc(pool, 240+4*160); |
| pj_timestamp elapsed, zero, t1, t2; |
| unsigned samples = 0; |
| |
| elapsed.u64 = 0; |
| while (samples < 50000000) { |
| |
| pj_get_timestamp(&t1); |
| pjmedia_move_samples(frame, frame+160, 240+2*160); |
| pj_get_timestamp(&t2); |
| pj_sub_timestamp(&t2, &t1); |
| |
| elapsed.u64 += t2.u64; |
| |
| memset(unused, 0, sizeof(unused)); |
| samples += 160; |
| } |
| |
| |
| |
| |
| zero.u64 = 0; |
| zero.u64 = pj_elapsed_usec(&zero, &elapsed); |
| |
| zero.u64 = samples * PJ_INT64(1000000) / zero.u64; |
| assert(zero.u32.hi == 0); |
| |
| PJ_LOG(3,("test.c", "Processing: %f Msamples per second", |
| zero.u32.lo/1000000.0)); |
| PJ_LOG(3,("test.c", "CPU load for current settings: %f%%", |
| CLOCK_RATE * 100.0 / zero.u32.lo)); |
| |
| } |
| |
| int main() |
| { |
| pj_caching_pool cp; |
| pj_pool_t *pool; |
| int i, rc; |
| |
| //test_find_pitch(); |
| |
| pj_init(); |
| pj_caching_pool_init(&cp, NULL, 0); |
| pool = pj_pool_create(&cp.factory, "", 1000, 1000, NULL); |
| |
| srand(2); |
| |
| rc = expand(pool, "galileo16.pcm", "temp1.pcm", 20, 0, 0); |
| rc = compress(pool, "temp1.pcm", "output.pcm", 1); |
| |
| for (i=0; i<2; ++i) { |
| rc = expand(pool, "output.pcm", "temp1.pcm", 20, 0, 0); |
| rc = compress(pool, "temp1.pcm", "output.pcm", 1); |
| } |
| |
| if (rc != 0) { |
| puts("Error"); |
| return 1; |
| } |
| |
| #if 0 |
| { |
| char s[10]; |
| puts("Press ENTER to quit"); |
| fgets(s, sizeof(s), stdin); |
| } |
| #endif |
| |
| return 0; |
| } |