The Tor Browser: media/libcubeb/tests/test_sanity.cpp@b8a032363ba2 (annotated)

media/libcubeb/tests/test_sanity.cpp@b8a032363ba2 (annotated)

media/libcubeb/tests/test_sanity.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /*
  * Copyright © 2011 Mozilla Foundation
  *
  * This program is made available under an ISC-style license.  See the
  * accompanying file LICENSE for details.
  */
 #ifdef NDEBUG
 #undef NDEBUG
 #endif
 #define _XOPEN_SOURCE 500
 #include "cubeb/cubeb.h"
 #include <assert.h>
 #include <stdio.h>
 #include <string.h>
 #include <math.h>
 #include "common.h"
 #if (defined(_WIN32) || defined(__WIN32__))
 #define __func__ __FUNCTION__
 #endif
 #define ARRAY_LENGTH(_x) (sizeof(_x) / sizeof(_x[0]))
 #define BEGIN_TEST fprintf(stderr, "START %s\n", __func__);
 #define END_TEST fprintf(stderr, "END %s\n", __func__);
 #define STREAM_LATENCY 100
 #define STREAM_RATE 44100
 #define STREAM_CHANNELS 1
 #define STREAM_FORMAT CUBEB_SAMPLE_S16LE
 static int dummy;
 static uint64_t total_frames_written;
 static int delay_callback;
 static long
 test_data_callback(cubeb_stream * stm, void * user_ptr, void * p, long nframes)
 {
   assert(stm && user_ptr == &dummy && p && nframes > 0);
   memset(p, 0, nframes * sizeof(short));
   total_frames_written += nframes;
   if (delay_callback) {
     delay(10);
   }
   return nframes;
 }
 void
 test_state_callback(cubeb_stream * stm, void * user_ptr, cubeb_state state)
 {
 }
 static void
 test_init_destroy_context(void)
 {
   int r;
   cubeb * ctx;
   BEGIN_TEST
   r = cubeb_init(&ctx, "test_sanity");
   assert(r == 0 && ctx);
   cubeb_destroy(ctx);
   END_TEST
 }
 static void
 test_init_destroy_multiple_contexts(void)
 {
   int i;
   int r;
   cubeb * ctx[4];
   BEGIN_TEST
   for (i = 0; i < 4; ++i) {
     r = cubeb_init(&ctx[i], NULL);
     assert(r == 0 && ctx[i]);
   }
   /* destroy in a different order */
   cubeb_destroy(ctx[2]);
   cubeb_destroy(ctx[0]);
   cubeb_destroy(ctx[3]);
   cubeb_destroy(ctx[1]);
   END_TEST
 }
 static void
 test_init_destroy_stream(void)
 {
   int r;
   cubeb * ctx;
   cubeb_stream * stream;
   cubeb_stream_params params;
   BEGIN_TEST
   r = cubeb_init(&ctx, "test_sanity");
   assert(r == 0 && ctx);
   params.format = STREAM_FORMAT;
   params.rate = STREAM_RATE;
   params.channels = STREAM_CHANNELS;
   r = cubeb_stream_init(ctx, &stream, "test", params, STREAM_LATENCY,
                         test_data_callback, test_state_callback, &dummy);
   assert(r == 0 && stream);
   cubeb_stream_destroy(stream);
   cubeb_destroy(ctx);
   END_TEST
 }
 static void
 test_init_destroy_multiple_streams(void)
 {
   int i;
   int r;
   cubeb * ctx;
   cubeb_stream * stream[16];
   cubeb_stream_params params;
   BEGIN_TEST
   r = cubeb_init(&ctx, "test_sanity");
   assert(r == 0 && ctx);
   params.format = STREAM_FORMAT;
   params.rate = STREAM_RATE;
   params.channels = STREAM_CHANNELS;
   for (i = 0; i < 16; ++i) {
     r = cubeb_stream_init(ctx, &stream[i], "test", params, STREAM_LATENCY,
                           test_data_callback, test_state_callback, &dummy);
     assert(r == 0);
     assert(stream[i]);
   }
   for (i = 0; i < 16; ++i) {
     cubeb_stream_destroy(stream[i]);
   }
   cubeb_destroy(ctx);
   END_TEST
 }
 static void
 test_init_start_stop_destroy_multiple_streams(int early, int delay_ms)
 {
   int i;
   int r;
   cubeb * ctx;
   cubeb_stream * stream[16];
   cubeb_stream_params params;
   BEGIN_TEST
   r = cubeb_init(&ctx, "test_sanity");
   assert(r == 0 && ctx);
   params.format = STREAM_FORMAT;
   params.rate = STREAM_RATE;
   params.channels = STREAM_CHANNELS;
   for (i = 0; i < 16; ++i) {
     r = cubeb_stream_init(ctx, &stream[i], "test", params, STREAM_LATENCY,
                           test_data_callback, test_state_callback, &dummy);
     assert(r == 0);
     assert(stream[i]);
     if (early) {
       r = cubeb_stream_start(stream[i]);
       assert(r == 0);
     }
   }
   if (!early) {
     for (i = 0; i < 16; ++i) {
       r = cubeb_stream_start(stream[i]);
       assert(r == 0);
     }
   }
   if (delay_ms) {
     delay(delay_ms);
   }
   if (!early) {
     for (i = 0; i < 16; ++i) {
       r = cubeb_stream_stop(stream[i]);
       assert(r == 0);
     }
   }
   for (i = 0; i < 16; ++i) {
     if (early) {
       r = cubeb_stream_stop(stream[i]);
       assert(r == 0);
     }
     cubeb_stream_destroy(stream[i]);
   }
   cubeb_destroy(ctx);
   END_TEST
 }
 static void
 test_init_destroy_multiple_contexts_and_streams(void)
 {
   int i, j;
   int r;
   cubeb * ctx[4];
   cubeb_stream * stream[16];
   cubeb_stream_params params;
   BEGIN_TEST
   params.format = STREAM_FORMAT;
   params.rate = STREAM_RATE;
   params.channels = STREAM_CHANNELS;
   for (i = 0; i < 4; ++i) {
     r = cubeb_init(&ctx[i], "test_sanity");
     assert(r == 0 && ctx[i]);
     for (j = 0; j < 4; ++j) {
       r = cubeb_stream_init(ctx[i], &stream[i * 4 + j], "test", params, STREAM_LATENCY,
                             test_data_callback, test_state_callback, &dummy);
       assert(r == 0);
       assert(stream[i * 4 + j]);
     }
   }
   for (i = 0; i < 4; ++i) {
     for (j = 0; j < 4; ++j) {
       cubeb_stream_destroy(stream[i * 4 + j]);
     }
     cubeb_destroy(ctx[i]);
   }
   END_TEST
 }
 static void
 test_basic_stream_operations(void)
 {
   int r;
   cubeb * ctx;
   cubeb_stream * stream;
   cubeb_stream_params params;
   uint64_t position;
   BEGIN_TEST
   r = cubeb_init(&ctx, "test_sanity");
   assert(r == 0 && ctx);
   params.format = STREAM_FORMAT;
   params.rate = STREAM_RATE;
   params.channels = STREAM_CHANNELS;
   r = cubeb_stream_init(ctx, &stream, "test", params, STREAM_LATENCY,
                         test_data_callback, test_state_callback, &dummy);
   assert(r == 0 && stream);
   /* position and volume before stream has started */
   r = cubeb_stream_get_position(stream, &position);
   assert(r == 0 && position == 0);
   r = cubeb_stream_start(stream);
   assert(r == 0);
   /* position and volume after while stream running */
   r = cubeb_stream_get_position(stream, &position);
   assert(r == 0);
   r = cubeb_stream_stop(stream);
   assert(r == 0);
   /* position and volume after stream has stopped */
   r = cubeb_stream_get_position(stream, &position);
   assert(r == 0);
   cubeb_stream_destroy(stream);
   cubeb_destroy(ctx);
   END_TEST
 }
 static void
 test_stream_position(void)
 {
   int i;
   int r;
   cubeb * ctx;
   cubeb_stream * stream;
   cubeb_stream_params params;
   uint64_t position, last_position;
   BEGIN_TEST
   total_frames_written = 0;
   r = cubeb_init(&ctx, "test_sanity");
   assert(r == 0 && ctx);
   params.format = STREAM_FORMAT;
   params.rate = STREAM_RATE;
   params.channels = STREAM_CHANNELS;
   r = cubeb_stream_init(ctx, &stream, "test", params, STREAM_LATENCY,
                         test_data_callback, test_state_callback, &dummy);
   assert(r == 0 && stream);
   /* stream position should not advance before starting playback */
   r = cubeb_stream_get_position(stream, &position);
   assert(r == 0 && position == 0);
   delay(500);
   r = cubeb_stream_get_position(stream, &position);
   assert(r == 0 && position == 0);
   /* stream position should advance during playback */
   r = cubeb_stream_start(stream);
   assert(r == 0);
   /* XXX let start happen */
   delay(500);
   /* stream should have prefilled */
   assert(total_frames_written > 0);
   r = cubeb_stream_get_position(stream, &position);
   assert(r == 0);
   last_position = position;
   delay(500);
   r = cubeb_stream_get_position(stream, &position);
   assert(r == 0);
   assert(position >= last_position);
   last_position = position;
   /* stream position should not exceed total frames written */
   for (i = 0; i < 5; ++i) {
     r = cubeb_stream_get_position(stream, &position);
     assert(r == 0);
     assert(position >= last_position);
     assert(position <= total_frames_written);
     last_position = position;
     delay(500);
   }
   assert(last_position != 0);
   /* stream position should not advance after stopping playback */
   r = cubeb_stream_stop(stream);
   assert(r == 0);
   /* XXX allow stream to settle */
   delay(500);
   r = cubeb_stream_get_position(stream, &position);
   assert(r == 0);
   last_position = position;
   delay(500);
   r = cubeb_stream_get_position(stream, &position);
   assert(r == 0);
   assert(position == last_position);
   cubeb_stream_destroy(stream);
   cubeb_destroy(ctx);
   END_TEST
 }
 static int do_drain;
 static int got_drain;
 static long
 test_drain_data_callback(cubeb_stream * stm, void * user_ptr, void * p, long nframes)
 {
   assert(stm && user_ptr == &dummy && p && nframes > 0);
   if (do_drain == 1) {
     do_drain = 2;
     return 0;
   }
   /* once drain has started, callback must never be called again */
   assert(do_drain != 2);
   memset(p, 0, nframes * sizeof(short));
   total_frames_written += nframes;
   return nframes;
 }
 void
 test_drain_state_callback(cubeb_stream * stm, void * user_ptr, cubeb_state state)
 {
   if (state == CUBEB_STATE_DRAINED) {
     assert(!got_drain);
     got_drain = 1;
   }
 }
 static void
 test_drain(void)
 {
   int r;
   cubeb * ctx;
   cubeb_stream * stream;
   cubeb_stream_params params;
   uint64_t position;
   BEGIN_TEST
   total_frames_written = 0;
   r = cubeb_init(&ctx, "test_sanity");
   assert(r == 0 && ctx);
   params.format = STREAM_FORMAT;
   params.rate = STREAM_RATE;
   params.channels = STREAM_CHANNELS;
   r = cubeb_stream_init(ctx, &stream, "test", params, STREAM_LATENCY,
                         test_drain_data_callback, test_drain_state_callback, &dummy);
   assert(r == 0 && stream);
   r = cubeb_stream_start(stream);
   assert(r == 0);
   delay(500);
   do_drain = 1;
   for (;;) {
     r = cubeb_stream_get_position(stream, &position);
     assert(r == 0);
     if (got_drain) {
       break;
     } else {
       uint32_t i, skip = 0;
       /* Latency passed to cubeb_stream_init is not really honored on OSX,
          win32/winmm and android, skip this test. */
       const char * backend_id = cubeb_get_backend_id(ctx);
       const char * latency_not_honored_bakends[] = {
         "audiounit",
         "winmm",
         "audiotrack",
         "opensl"
       };
       for (i = 0; i < ARRAY_LENGTH(latency_not_honored_bakends); i++) {
         if (!strcmp(backend_id, latency_not_honored_bakends[i])) {
           skip = 1;
         }
       }
       if (!skip) {
         /* Position should roughly be equal to the number of written frames. We
          * need to take the latency into account. */
         int latency = (STREAM_LATENCY * STREAM_RATE) / 1000;
         assert(position + latency <= total_frames_written);
       }
     }
     delay(500);
   }
   r = cubeb_stream_get_position(stream, &position);
   assert(r == 0);
   assert(got_drain);
   // Disabled due to failures in the ALSA backend.
   //assert(position == total_frames_written);
   cubeb_stream_destroy(stream);
   cubeb_destroy(ctx);
   END_TEST
 }
 int is_windows_7()
 {
 #if (defined(_WIN32) || defined(__WIN32__))
    OSVERSIONINFOEX osvi;
    DWORDLONG condition_mask = 0;
    ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
    // NT 6.1 is Windows 7
    osvi.dwMajorVersion = 6;
    osvi.dwMinorVersion = 1;
    VER_SET_CONDITION(condition_mask, VER_MAJORVERSION, VER_EQUAL);
    VER_SET_CONDITION(condition_mask, VER_MINORVERSION, VER_EQUAL);
    return VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, condition_mask);
 #else
   return 0;
 #endif
 }
 int
 main(int argc, char * argv[])
 {
   test_init_destroy_context();
   test_init_destroy_multiple_contexts();
   test_init_destroy_stream();
   test_init_destroy_multiple_streams();
   test_basic_stream_operations();
   test_stream_position();
   /* Sometimes, when using WASAPI on windows 7 (vista and 8 are okay), and
    * calling Activate a lot on an AudioClient, 0x800700b7 is returned. This is
    * the HRESULT value for "Cannot create a file when that file already exists",
    * and is not documented as a possible return value for this call. Hence, we
    * try to limit the number of streams we create in this test. */
   if (!is_windows_7()) {
     test_init_destroy_multiple_contexts_and_streams();
     delay_callback = 0;
     test_init_start_stop_destroy_multiple_streams(0, 0);
     test_init_start_stop_destroy_multiple_streams(1, 0);
     test_init_start_stop_destroy_multiple_streams(0, 150);
     test_init_start_stop_destroy_multiple_streams(1, 150);
     delay_callback = 1;
     test_init_start_stop_destroy_multiple_streams(0, 0);
     test_init_start_stop_destroy_multiple_streams(1, 0);
     test_init_start_stop_destroy_multiple_streams(0, 150);
     test_init_start_stop_destroy_multiple_streams(1, 150);
   }
   delay_callback = 0;
   test_drain();
 /*
   to implement:
   test_eos_during_prefill();
   test_stream_destroy_pending_drain();
 */
   printf("\n");
   return 0;
 }

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media/libcubeb/tests/test_sanity.cpp@b8a032363ba2 (annotated)

media/libcubeb/tests/test_sanity.cpp