Add UMA stats for audio/video containers.

media/base/container_names.h

Index: media/base/container_names.h
diff --git a/media/base/container_names.h b/media/base/container_names.h
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+++ b/media/base/container_names.h
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+// Copyright (c) 2013 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.
+
+#ifndef MEDIA_BASE_CONTAINER_NAMES_H_
+#define MEDIA_BASE_CONTAINER_NAMES_H_
+
+#include "base/basictypes.h"
+#include "media/base/media_export.h"
+
+namespace media {
+
+// This is the complete set of possible input formats specified in the
+// FFmpeg code. Not all of these are enabled in FFmpeg.
+// This list must be kept in sync with the enum definition "FFmpegContainers"
+// in tools/metrics/histograms/histograms.xml.
+enum FFmpegContainerName {
+  CONTAINER_UNKNOWN,          // unavailable
+  CONTAINER_4XM,              // 4X Technologies
+  CONTAINER_AAC,              // raw ADTS AAC (Advanced Audio Coding)
+  CONTAINER_AC3,              // raw AC-3
+  CONTAINER_EAC3,             // raw E-AC-3
+  CONTAINER_ACT,              // ACT Voice file format
+  CONTAINER_ADX,              // CRI ADX
+  CONTAINER_AEA,              // MD STUDIO audio
+  CONTAINER_AFC,              // AFC
+  CONTAINER_AIFF,             // Audio IFF
+  CONTAINER_AMR,              // 3GPP AMR
+  CONTAINER_ANM,              // Deluxe Paint Animation
+  CONTAINER_APC,              // CRYO APC
+  CONTAINER_APE,              // Monkey's Audio
+  CONTAINER_AQTITLE,          // AQTitle subtitles
+  CONTAINER_ASF,              // ASF (Advanced / Active Streaming Format)
+  CONTAINER_ASS,              // SSA (SubStation Alpha) subtitle
+  CONTAINER_AST,              // AST (Audio Stream)
+  CONTAINER_AU,               // Sun AU
+  CONTAINER_AVI,              // AVI (Audio Video Interleaved)
+  CONTAINER_AVISYNTH,         // AVISynth
+  CONTAINER_AVR,              // AVR (Audio Visual Research)
+  CONTAINER_AVS,              // AVS
+  CONTAINER_BETHSOFTVID,      // Bethesda Softworks VID
+  CONTAINER_BFI,              // Brute Force & Ignorance
+  CONTAINER_BINK,             // Bink
+  CONTAINER_BIN,              // Binary text
+  CONTAINER_XBIN,             // eXtended BINary text (XBIN)
+  CONTAINER_ADF,              // Artworx Data Format
+  CONTAINER_IDF,              // iCE Draw File
+  CONTAINER_BIT,              // G.729 BIT file format
+  CONTAINER_BMV,              // Discworld II BMV
+  CONTAINER_BRSTM,            // BRSTM (Binary Revolution Stream)
+  CONTAINER_C93,              // Interplay C93
+  CONTAINER_CAF,              // Apple CAF (Core Audio Format)
+  CONTAINER_CDG,              // CD Graphics
+  CONTAINER_CDXL,             // Commodore CDXL video
+  CONTAINER_CONCAT,           // Virtual concatenation script
+  CONTAINER_DAUD,             // D-Cinema audio
+  CONTAINER_DFA,              // Chronomaster DFA
+  CONTAINER_DSICIN,           // Delphine Software International CIN
+  CONTAINER_DTS,              // raw DTS
+  CONTAINER_DTSHD,            // raw DTS-HD
+  CONTAINER_DV,               // DV (Digital Video)
+  CONTAINER_DXA,              // DXA
+  CONTAINER_EA_CDATA,         // Electronic Arts cdata
+  CONTAINER_EA,               // Electronic Arts Multimedia
+  CONTAINER_EPAF,             // Ensoniq Paris Audio File
+  CONTAINER_FFM,              // FFM (FFserver live feed)
+  CONTAINER_FFMETADATA,       // FFmpeg metadata in text
+  CONTAINER_FILMSTRIP,        // Adobe Filmstrip
+  CONTAINER_FLAC,             // raw FLAC
+  CONTAINER_FLIC,             // FLI/FLC/FLX animation
+  CONTAINER_FLV,              // FLV (Flash Video)
+  CONTAINER_FRM,              // Megalux Frame
+  CONTAINER_G722,             // raw G.722
+  CONTAINER_G723_1,           // G.723.1
+  CONTAINER_G729,             // G.729 raw format demuxer
+  CONTAINER_GIF,              // CompuServe Graphics Interchange Format (GIF)
+  CONTAINER_GSM,              // raw GSM
+  CONTAINER_GXF,              // GXF (General eXchange Format)
+  CONTAINER_HLS,              // Apple HTTP Live Streaming
+  CONTAINER_ICO,              // Microsoft Windows ICO
+  CONTAINER_IDCIN,            // id Cinematic
+  CONTAINER_ROQ,              // id RoQ
+  CONTAINER_IFF,              // IFF (Interchange File Format)
+  CONTAINER_ILBC,             // iLBC storage
+  CONTAINER_IMAGE2,           // image2 sequence
+  CONTAINER_IMAGE2PIPE,       // piped image2 sequence
+  CONTAINER_INGENIENT,        // raw Ingenient MJPEG
+  CONTAINER_IPMOVIE,          // Interplay MVE
+  CONTAINER_IRCAM,            // Berkeley/IRCAM/CARL Sound Format
+  CONTAINER_ISS,              // Funcom ISS
+  CONTAINER_IV8,              // IndigoVision 8000 video
+  CONTAINER_IVF,              // On2 IVF
+  CONTAINER_JACOSUB,          // JACOsub subtitle format
+  CONTAINER_JV,               // Bitmap Brothers JV
+  CONTAINER_LIBMODPLUG,       // ModPlug demuxer
+  CONTAINER_LIBNUT,           // NUT format
+  CONTAINER_LMLM4,            // raw lmlm4
+  CONTAINER_LOAS,             // LOAS AudioSyncStream
+  CONTAINER_LVF,              // LVF
+  CONTAINER_LXF,              // VR native stream (LXF)
+  CONTAINER_WEBM,             // Matroska / WebM
+  CONTAINER_MGSTS,            // Metal Gear Solid: The Twin Snakes
+  CONTAINER_MICRODVD,         // MicroDVD subtitle format
+  CONTAINER_MM,               // American Laser Games MM
+  CONTAINER_MMF,              // Yamaha SMAF
+  CONTAINER_MOV,              // QuickTime / MOV
+  CONTAINER_MP3,              // MP2/3 (MPEG audio layer 2/3)
+  CONTAINER_MPC8,             // Musepack SV8
+  CONTAINER_MPC,              // Musepack
+  CONTAINER_MPEG,             // MPEG-PS (MPEG-2 Program Stream)
+  CONTAINER_VOBSUB,           // VobSub subtitle format
+  CONTAINER_MPEGTS,           // MPEG-TS (MPEG-2 Transport Stream)
+  CONTAINER_MPEGTSRAW,        // raw MPEG-TS (MPEG-2 Transport Stream)
+  CONTAINER_MPL2,             // MPL2 subtitles
+  CONTAINER_MPSUB,            // MPlayer subtitles
+  CONTAINER_MSNWCTCP,         // MSN TCP Webcam stream
+  CONTAINER_MTV,              // MTV
+  CONTAINER_MV,               // Silicon Graphics Movie
+  CONTAINER_MVI,              // Motion Pixels MVI
+  CONTAINER_MXF,              // MXF (Material eXchange Format)
+  CONTAINER_MXG,              // MxPEG clip
+  CONTAINER_NC,               // NC camera feed
+  CONTAINER_NISTSPHERE,       // NIST SPeech HEader REsources
+  CONTAINER_NSV,              // Nullsoft Streaming Video
+  CONTAINER_NUT,              // NUT
+  CONTAINER_NUV,              // NuppelVideo
+  CONTAINER_OGG,              // Ogg
+  CONTAINER_OMA,              // Sony OpenMG audio
+  CONTAINER_PAF,              // Amazing Studio Packed Animation File
+  CONTAINER_F64BE,            // PCM 64-bit floating-point big-endian
+  CONTAINER_F64LE,            // PCM 64-bit floating-point little-endian
+  CONTAINER_F32BE,            // PCM 32-bit floating-point big-endian
+  CONTAINER_F32LE,            // PCM 32-bit floating-point little-endian
+  CONTAINER_S32BE,            // PCM signed 32-bit big-endian
+  CONTAINER_S32LE,            // PCM signed 32-bit little-endian
+  CONTAINER_S24BE,            // PCM signed 24-bit big-endian
+  CONTAINER_S24LE,            // PCM signed 24-bit little-endian
+  CONTAINER_S16BE,            // PCM signed 16-bit big-endian
+  CONTAINER_S16LE,            // PCM signed 16-bit little-endian
+  CONTAINER_S8,               // PCM signed 8-bit
+  CONTAINER_U32BE,            // PCM unsigned 32-bit big-endian
+  CONTAINER_U32LE,            // PCM unsigned 32-bit little-endian
+  CONTAINER_U24BE,            // PCM unsigned 24-bit big-endian
+  CONTAINER_U24LE,            // PCM unsigned 24-bit little-endian
+  CONTAINER_U16BE,            // PCM unsigned 16-bit big-endian
+  CONTAINER_U16LE,            // PCM unsigned 16-bit little-endian
+  CONTAINER_U8,               // PCM unsigned 8-bit
+  CONTAINER_ALAW,             // PCM A-law
+  CONTAINER_MULAW,            // PCM mu-law
+  CONTAINER_PJS,              // PJS (Phoenix Japanimation Society) subtitles
+  CONTAINER_PMP,              // Playstation Portable PMP
+  CONTAINER_PSXSTR,           // Sony Playstation STR
+  CONTAINER_PVA,              // TechnoTrend PVA
+  CONTAINER_PVF,              // PVF (Portable Voice Format)
+  CONTAINER_QCP,              // QCP
+  CONTAINER_R3D,              // REDCODE R3D
+  CONTAINER_LATM,             // raw LOAS/LATM
+  CONTAINER_MLP,              // raw MLP
+  CONTAINER_TRUEHD,           // raw TrueHD
+  CONTAINER_SHN,              // raw Shorten
+  CONTAINER_RAWVIDEO,         // raw video
+  CONTAINER_REALTEXT,         // RealText subtitle format
+  CONTAINER_RL2,              // RL2
+  CONTAINER_RM,               // RealMedia
+  CONTAINER_RDT,              // RDT demuxer
+  CONTAINER_RPL,              // RPL / ARMovie
+  CONTAINER_RSO,              // Lego Mindstorms RSO
+  CONTAINER_SDP,              // SDP
+  CONTAINER_RTP,              // RTP input
+  CONTAINER_RTSP,             // RTSP input
+  CONTAINER_SAMI,             // SAMI subtitle format
+  CONTAINER_SAP,              // SAP input
+  CONTAINER_SBG,              // SBaGen binaural beats script
+  CONTAINER_FILM_CPK,         // Sega FILM / CPK
+  CONTAINER_VMD,              // Sierra VMD
+  CONTAINER_SIFF,             // Beam Software SIFF
+  CONTAINER_SMK,              // Smacker
+  CONTAINER_SMJPEG,           // Loki SDL MJPEG
+  CONTAINER_SMUSH,            // LucasArts Smush
+  CONTAINER_SOL,              // Sierra SOL
+  CONTAINER_SOX,              // SoX native
+  CONTAINER_SPDIF,            // IEC 61937 (compressed data in S/PDIF)
+  CONTAINER_SRT,              // SubRip subtitle
+  CONTAINER_SUBVIEWER1,       // SubViewer v1 subtitle format
+  CONTAINER_SUBVIEWER,        // SubViewer subtitle format
+  CONTAINER_SWF,              // SWF (ShockWave Flash)
+  CONTAINER_TAK,              // raw TAK
+  CONTAINER_TEDCAPTIONS,      // TED Talks captions
+  CONTAINER_THP,              // THP
+  CONTAINER_TIERTEXSEQ,       // Tiertex Limited SEQ
+  CONTAINER_TMV,              // 8088flex TMV
+  CONTAINER_TTA,              // TTA (True Audio)
+  CONTAINER_TTY,              // Tele-typewriter
+  CONTAINER_TXD,              // Renderware TeXture Dictionary
+  CONTAINER_VC1TEST,          // VC-1 test bitstream
+  CONTAINER_VIVO,             // Vivo
+  CONTAINER_VOC,              // Creative Voice
+  CONTAINER_VPLAYER,          // VPlayer subtitles
+  CONTAINER_VQF,              // NTT TwinVQ
+  CONTAINER_WAV,              // WAV / WAVE (Waveform Audio)
+  CONTAINER_W64,              // Sony Wave64
+  CONTAINER_WC3MOVIE,         // Wing Commander III movie
+  CONTAINER_WEBVTT,           // WebVTT subtitle
+  CONTAINER_WSAUD,            // Westwood Studios audio
+  CONTAINER_WSVQA,            // Westwood Studios VQA
+  CONTAINER_WTV,              // Windows Television (WTV)
+  CONTAINER_WV,               // WavPack
+  CONTAINER_XA,               // Maxis XA
+  CONTAINER_XMV,              // Microsoft XMV
+  CONTAINER_XWMA,             // Microsoft xWMA
+  CONTAINER_YOP,              // Psygnosis YOP
+  CONTAINER_YUV4MPEGPIPE,     // YUV4MPEG pipe
+  CONTAINER_MJPEG,            // raw MJPEG video
+  CONTAINER_VC1,              // raw VC-1
+  CONTAINER_M4V,              // raw MPEG-4 video
+  CONTAINER_H264,             // raw H.264 video
+  CONTAINER_H261,             // raw H.261
+  CONTAINER_H263,             // raw H.263
+  CONTAINER_DIRAC,            // raw Dirac
+  CONTAINER_DNXHD,            // raw DNxHD (SMPTE VC-3)
+  CONTAINER_MPEGVIDEO,        // raw MPEG video
+  CONTAINER_CAVSVIDEO,        // raw Chinese AVS (Audio Video Standard)
+  CONTAINER_ALSA,             // ALSA audio input
+  CONTAINER_BKTR,             // video grab
+  CONTAINER_DSHOW,            // DirectShow capture
+  CONTAINER_DV1394,           // DV1394 A/V grab
+  CONTAINER_FBDEV,            // Linux framebuffer
+  CONTAINER_IEC61883,         // libiec61883 (new DV1394) A/V input device
+  CONTAINER_JACK,             // JACK Audio Connection Kit
+  CONTAINER_LAVFI,            // Libavfilter virtual input device
+  CONTAINER_LIBCDIO,          // CD grabbing
+  CONTAINER_LIBDC1394,        // dc1394 v.1/v.2 A/V grab
+  CONTAINER_OPENAL,           // OpenAL audio capture device
+  CONTAINER_OSS,              // OSS (Open Sound System) capture
+  CONTAINER_PULSE,            // Pulse audio input
+  CONTAINER_SNDIO,            // sndio audio capture
+  CONTAINER_V4L2,             // Video4Linux2 device grab
+  CONTAINER_V4L,              // Video4Linux device grab
+  CONTAINER_VFWCAP,           // VfW video capture
+  CONTAINER_X11GRAB,          // X11grab
+  CONTAINER_MAX               // Must be last
+};
+
+// Mapping of a ID to name.
+struct ContainerNameMapping {
+  FFmpegContainerName id;
+  const char* name;
+};
+
+class MEDIA_EXPORT ContainerNames {
+ public:
+  // Log the container based on the name returned by FFmpeg.
+  static void LogContainer(const char* container_name);
+
+  // Log the container by examining the first part of the stream.
+  static void LogContainer(const uint8 buffer[], size_t buffer_size);
+
+ private:
+  friend class ContainerTest;
+
+  // Mapping from the strings returned by FFmpeg to container ID.
+  static const ContainerNameMapping container_name_mapping[];
+
+  // Returns the number of elements in container_name_mapping.
+  static const int ContainerNameMappingSize();
+
+  // Determine the container type
+  static FFmpegContainerName LookupContainer(const char* container_name);
+  static FFmpegContainerName DetermineContainer(const uint8 buffer[],
+                                                size_t buffer_size);
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ContainerNames);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_CONTAINER_NAMES_H_