Implement experimental MP3 support for Media Source API.

media/filters/pipeline_integration_test.cc

 // Copyright (c) 2012 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 "media/filters/pipeline_integration_test_base.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "build/build_config.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/media_keys.h"
+#include "media/base/media_switches.h"
 #include "media/base/test_data_util.h"
 #include "media/cdm/aes_decryptor.h"
 #include "media/filters/chunk_demuxer.h"
 
 using testing::AnyNumber;
 using testing::AtMost;
 
 namespace media {
 
 static const char kSourceId[] = "SourceId";
 static const char kClearKeySystem[] = "org.w3.clearkey";
 static const uint8 kInitData[] = { 0x69, 0x6e, 0x69, 0x74 };
 
 static const char kWebM[] = "video/webm; codecs=\"vp8,vorbis\"";
 static const char kWebMVP9[] = "video/webm; codecs=\"vp9\"";
 static const char kAudioOnlyWebM[] = "video/webm; codecs=\"vorbis\"";
 static const char kVideoOnlyWebM[] = "video/webm; codecs=\"vp8\"";
 static const char kMP4[] = "video/mp4; codecs=\"avc1.4D4041,mp4a.40.2\"";
 static const char kMP4Video[] = "video/mp4; codecs=\"avc1.4D4041\"";
 static const char kMP4Audio[] = "audio/mp4; codecs=\"mp4a.40.2\"";
 static const char kMP4AudioType[] = "audio/mp4";
 static const char kMP4VideoType[] = "video/mp4";
+static const char kMP3[] = "audio/mpeg";
 
 // Key used to encrypt test files.
 static const uint8 kSecretKey[] = {
   0xeb, 0xdd, 0x62, 0xf1, 0x68, 0x14, 0xd2, 0x7b,
   0x68, 0xef, 0x12, 0x2a, 0xfc, 0xe4, 0xae, 0x3c
 };
 
 // The key ID for all encrypted files.
 static const uint8 kKeyId[] = {
   0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
@@ skipping 231 matching lines @@
     chunk_demuxer_ = NULL;
   }
 
   void DemuxerOpened() {
     base::MessageLoop::current()->PostTask(
         FROM_HERE, base::Bind(&MockMediaSource::DemuxerOpenedTask,
                               base::Unretained(this)));
   }
 
   void DemuxerOpenedTask() {
+    // This code assumes that |mimetype_| is one of the following forms.

[scherkus (not reviewing), 2013/09/04 01:25:37]

my bad ... didn't realize that this was:
  a) test code
  b) only parsing constants defined above :(

[acolwell GONE FROM CHROMIUM, 2013/09/04 01:36:01]

no problem. The code now makes it easier to catch mistakes now. :)

+    // 1. audio/mpeg
+    // 2. video/webm;codec="vorbis,vp8".
     size_t semicolon = mimetype_.find(";");
-    std::string type = mimetype_.substr(0, semicolon);
-    size_t quote1 = mimetype_.find("\"");
-    size_t quote2 = mimetype_.find("\"", quote1 + 1);
-    std::string codecStr = mimetype_.substr(quote1 + 1, quote2 - quote1 - 1);
+    std::string type = mimetype_;
     std::vector<std::string> codecs;
-    Tokenize(codecStr, ",", &codecs);
+    if (semicolon != std::string::npos) {
+      type = mimetype_.substr(0, semicolon);
+      size_t codecs_param_start = mimetype_.find("codecs=\"", semicolon);
+
+      CHECK_NE(codecs_param_start, std::string::npos);
+
+      codecs_param_start += 8; // Skip over the codecs=".
+
+      size_t codecs_param_end = mimetype_.find("\"", codecs_param_start);
+
+      CHECK_NE(codecs_param_end, std::string::npos);
+
+      std::string codecs_param =
+          mimetype_.substr(codecs_param_start,
+                           codecs_param_end - codecs_param_start);
+      Tokenize(codecs_param, ",", &codecs);
+    }
 
     CHECK_EQ(chunk_demuxer_->AddId(kSourceId, type, codecs), ChunkDemuxer::kOk);
     AppendData(initial_append_size_);
   }
 
   void DemuxerNeedKey(const std::string& type,
                       const std::vector<uint8>& init_data) {
     DCHECK(!init_data.empty());
     CHECK(!need_key_cb_.is_null());
     need_key_cb_.Run(std::string(), type, init_data);
@@ skipping 316 matching lines @@
   EXPECT_EQ(k320WebMFileDurationMs,
             pipeline_->GetBufferedTimeRanges().end(0).InMilliseconds());
 
   Play();
 
   EXPECT_EQ(PIPELINE_ERROR_DECODE, WaitUntilEndedOrError());
   source.Abort();
 }
 
 #if defined(USE_PROPRIETARY_CODECS)
+TEST_F(PipelineIntegrationTest, MediaSource_MP3) {
+  MockMediaSource source("sfx.mp3", kMP3, kAppendWholeFile);
+  StartPipelineWithMediaSource(&source);
+  source.EndOfStream();
+
+  Play();
+
+  EXPECT_TRUE(WaitUntilOnEnded());
+}
+
+
+TEST_F(PipelineIntegrationTest, MediaSource_MP3_Icecast) {
+  MockMediaSource source("icy_sfx.mp3", kMP3, kAppendWholeFile);
+  StartPipelineWithMediaSource(&source);
+  source.EndOfStream();
+
+  Play();
+
+  EXPECT_TRUE(WaitUntilOnEnded());
+}
+
 TEST_F(PipelineIntegrationTest, MediaSource_ConfigChange_MP4) {
   MockMediaSource source("bear-640x360-av_frag.mp4", kMP4, kAppendWholeFile);
   StartPipelineWithMediaSource(&source);
 
   scoped_refptr<DecoderBuffer> second_file =
       ReadTestDataFile("bear-1280x720-av_frag.mp4");
 
   source.AppendAtTime(base::TimeDelta::FromSeconds(kAppendTimeSec),
                       second_file->data(), second_file->data_size());
 
@@ skipping 333 matching lines @@
 
 // Verify that VP8 video with inband text track can be played back.
 TEST_F(PipelineIntegrationTest, BasicPlayback_VP8_WebVTT_WebM) {
   ASSERT_TRUE(Start(GetTestDataFilePath("bear-vp8-webvtt.webm"),
                     PIPELINE_OK));
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
 }
 
 }  // namespace media