Enable pcm_s32le audio decoding.

media/ffmpeg/ffmpeg_common_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <cstring>
 
 #include "base/bind.h"
 #include "base/files/memory_mapped_file.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 143 matching lines @@
 
     EXPECT_EQ(time_delta.InMicroseconds(), test_data[i][3]);
     EXPECT_EQ(ConvertToTimeBase(time_base, time_delta), test_data[i][4]);
   }
 }
 
 TEST_F(FFmpegCommonTest, VerifyFormatSizes) {
   for (AVSampleFormat format = AV_SAMPLE_FMT_NONE;
        format < AV_SAMPLE_FMT_NB;
        format = static_cast<AVSampleFormat>(format + 1)) {
-    SampleFormat sample_format = AVSampleFormatToSampleFormat(format);
-    if (sample_format == kUnknownSampleFormat) {
-      // This format not supported, so skip it.
-      continue;
+    std::vector<AVCodecID> codec_ids(1, AV_CODEC_ID_NONE);
+    if (format == AV_SAMPLE_FMT_S32)
+      codec_ids.push_back(AV_CODEC_ID_PCM_S24LE);
+    for (const auto& codec_id : codec_ids) {
+      SampleFormat sample_format =
+          AVSampleFormatToSampleFormat(format, codec_id);
+      if (sample_format == kUnknownSampleFormat) {
+        // This format not supported, so skip it.
+        continue;
+      }
+
+      // Have FFMpeg compute the size of a buffer of 1 channel / 1 frame
+      // with 1 byte alignment to make sure the sizes match.
+      int single_buffer_size =
+          av_samples_get_buffer_size(NULL, 1, 1, format, 1);
+      int bytes_per_channel = SampleFormatToBytesPerChannel(sample_format);
+      EXPECT_EQ(bytes_per_channel, single_buffer_size);
     }
-
-    // Have FFMpeg compute the size of a buffer of 1 channel / 1 frame
-    // with 1 byte alignment to make sure the sizes match.
-    int single_buffer_size = av_samples_get_buffer_size(NULL, 1, 1, format, 1);
-    int bytes_per_channel = SampleFormatToBytesPerChannel(sample_format);
-    EXPECT_EQ(bytes_per_channel, single_buffer_size);
   }
 }
 
 TEST_F(FFmpegCommonTest, UTCDateToTime_Valid) {
   base::Time result;
   EXPECT_TRUE(FFmpegUTCDateToTime("2012-11-10 12:34:56", &result));
 
   base::Time::Exploded exploded;
   result.UTCExplode(&exploded);
   EXPECT_TRUE(exploded.HasValidValues());
@@ skipping 70 matching lines @@
   // values; diff should verify.
 #if 0
   printf("<enum name=\"FFmpegCodecHashes\" type=\"int\">\n");
   for (const auto& kv : sorted_hashes)
     printf("  <int value=\"%d\" label=\"%s\"/>\n", kv.first, kv.second);
   printf("</enum>\n");
 #endif
 }
 
 }  // namespace media