/* * Copyright 2009, Haiku, Inc. All rights reserved. * Distributed under the terms of the MIT License. */ #ifndef _MEDIA_DEFS_H #define _MEDIA_DEFS_H /*! Basic data types and defines for the Media Kit. */ #include #include #if defined(__cplusplus) # include # include class media_node; #else struct media_node; #endif #define B_MEDIA_NAME_LENGTH 64 /* Notification messages 'what' fields */ enum { /* Note that BMediaNode::node_error also belongs in here! */ B_MEDIA_WILDCARD = 'TRWC', /* Used to match any notification in */ /* Start/StopWatching */ B_MEDIA_NODE_CREATED = 'TRIA', /* "media_node_id" (multiple items) */ B_MEDIA_NODE_DELETED, /* "media_node_id" (multiple items) */ B_MEDIA_CONNECTION_MADE, /* "output", "input", "format" */ B_MEDIA_CONNECTION_BROKEN, /* "source", "destination" */ B_MEDIA_BUFFER_CREATED, /* "clone_info" -- handled by */ /* BMediaRoster */ B_MEDIA_BUFFER_DELETED, /* "media_buffer_id" -- handled by */ /* BMediaRoster */ B_MEDIA_TRANSPORT_STATE, /* "state", "location", "realtime" */ B_MEDIA_PARAMETER_CHANGED, /* N "node", "parameter" */ B_MEDIA_FORMAT_CHANGED, /* N "source", "destination", "format" */ B_MEDIA_WEB_CHANGED, /* N "node" */ B_MEDIA_DEFAULT_CHANGED, /* "default", "node" -- handled by */ /* BMediaRoster */ B_MEDIA_NEW_PARAMETER_VALUE, /* N "node", "parameter", "when", */ /* "value" */ B_MEDIA_NODE_STOPPED, /* N "node", "when" */ B_MEDIA_FLAVORS_CHANGED, /* "be:addon_id", "be:new_count", */ /* "be:gone_count" */ B_MEDIA_SERVER_STARTED, B_MEDIA_SERVER_QUIT }; enum media_type { B_MEDIA_NO_TYPE = -1, B_MEDIA_UNKNOWN_TYPE = 0, B_MEDIA_RAW_AUDIO = 1, /* uncompressed raw_audio */ B_MEDIA_RAW_VIDEO, /* uncompressed raw_video */ B_MEDIA_VBL, /* raw data from VBL area, 1600/line */ B_MEDIA_TIMECODE, /* data format TBD */ B_MEDIA_MIDI, B_MEDIA_TEXT, /* typically closed captioning */ B_MEDIA_HTML, B_MEDIA_MULTISTREAM, /* AVI, etc */ B_MEDIA_PARAMETERS, /* BControllable change data */ B_MEDIA_ENCODED_AUDIO, /* MP3, AC-3, ... */ B_MEDIA_ENCODED_VIDEO, /* H.264, Theora, ... */ B_MEDIA_PRIVATE = 90000, /* This are reserved. */ B_MEDIA_FIRST_USER_TYPE = 100000 /* Use something bigger than this for */ /* experimentation with your own media */ /* formats. */ }; enum node_kind { B_BUFFER_PRODUCER = 0x1, B_BUFFER_CONSUMER = 0x2, B_TIME_SOURCE = 0x4, B_CONTROLLABLE = 0x8, B_FILE_INTERFACE = 0x10, B_ENTITY_INTERFACE = 0x20, /* Set these flags for nodes that are suitable as default system nodes. */ B_PHYSICAL_INPUT = 0x10000, B_PHYSICAL_OUTPUT = 0x20000, B_SYSTEM_MIXER = 0x40000 }; enum video_orientation { /* Which pixel is first and how do we scan each "line"? */ B_VIDEO_TOP_LEFT_RIGHT = 1, /* This is the typical progressive scan */ /* format */ B_VIDEO_BOTTOM_LEFT_RIGHT /* This is how BMP and TGA might scan */ }; /* data */ enum media_flags { B_MEDIA_FLAGS_VERSION = 1, /* uint32, greater for newer versions */ B_MEDIA_FLAGS_PRIVATE = 0x40000000 /* private to Haiku */ }; /* for producer status */ enum media_producer_status { B_DATA_NOT_AVAILABLE = 1, B_DATA_AVAILABLE = 2, B_PRODUCER_STOPPED = 3 }; /* realtime flags */ enum media_realtime_flags { B_MEDIA_REALTIME_ALLOCATOR = 0x1, B_MEDIA_REALTIME_AUDIO = 0x2, B_MEDIA_REALTIME_VIDEO = 0x4, B_MEDIA_REALTIME_ANYKIND = 0xffff }; enum media_frame_flags { B_MEDIA_KEY_FRAME = 0x1 }; #define B_MEDIA_ANY_QUALITY 0.0f #define B_MEDIA_LOW_QUALITY 0.1f #define B_MEDIA_MEDIUM_QUALITY 0.5f #define B_MEDIA_HIGH_QUALITY 1.0f #ifndef _MULTI_AUDIO_H /* #define in protocol header */ enum media_multi_channels { B_CHANNEL_LEFT = 0x00001, B_CHANNEL_RIGHT = 0x00002, B_CHANNEL_CENTER = 0x00004, /* 5.1+ or fake surround */ B_CHANNEL_SUB = 0x00008, /* 5.1+ */ B_CHANNEL_REARLEFT = 0x00010, /* quad surround or 5.1+ */ B_CHANNEL_REARRIGHT = 0x00020, /* quad surround or 5.1+ */ B_CHANNEL_FRONT_LEFT_CENTER = 0x00040, B_CHANNEL_FRONT_RIGHT_CENTER = 0x00080, B_CHANNEL_BACK_CENTER = 0x00100, /* 6.1 or fake surround */ B_CHANNEL_SIDE_LEFT = 0x00200, B_CHANNEL_SIDE_RIGHT = 0x00400, B_CHANNEL_TOP_CENTER = 0x00800, B_CHANNEL_TOP_FRONT_LEFT = 0x01000, B_CHANNEL_TOP_FRONT_CENTER = 0x02000, B_CHANNEL_TOP_FRONT_RIGHT = 0x04000, B_CHANNEL_TOP_BACK_LEFT = 0x08000, B_CHANNEL_TOP_BACK_CENTER = 0x10000, B_CHANNEL_TOP_BACK_RIGHT = 0x20000 }; enum media_multi_matrix { B_MATRIX_PROLOGIC_LR = 0x1, B_MATRIX_AMBISONIC_WXYZ = 0x4 }; #endif // !_MULTI_AUDIO_H typedef int32 media_node_id; typedef int32 media_buffer_id; typedef int32 media_addon_id; #if defined(__cplusplus) struct media_destination { media_destination(); media_destination(port_id, int32); media_destination( const media_destination& other); ~media_destination(); media_destination& operator=(const media_destination& other); port_id port; /* can be different from */ /* media_node.port */ int32 id; static media_destination null; private: uint32 _reserved_media_destination_[2]; }; struct media_source { media_source(); media_source(port_id, int32); media_source(const media_source& other); ~media_source(); media_source& operator=(const media_source& other); port_id port; /* must be the same as */ /* media_node.port for owner */ int32 id; static media_source null; private: uint32 _reserved_media_source_[2]; }; bool operator==(const media_destination& a, const media_destination& b); bool operator!=(const media_destination& a, const media_destination& b); bool operator<(const media_destination& a, const media_destination& b); bool operator==(const media_source& a, const media_source& b); bool operator!=(const media_source& a, const media_source& b); bool operator<(const media_source& a, const media_source& b); bool operator==(const media_node& a, const media_node& b); bool operator!=(const media_node& a, const media_node& b); bool operator<(const media_node& a, const media_node& b); /* Buffers are low-level constructs identified by an ID. */ /* Buffers consist of the actual data area, plus a 64-byte */ /* header area that is different for each type. */ /* Buffers contain typed data. Type is not part of the */ /* buffer header; it's negotiated out-of-bounds by nodes. */ enum { B_MEDIA_BIG_ENDIAN = 1, B_MEDIA_LITTLE_ENDIAN = 2, #if B_HOST_IS_BENDIAN B_MEDIA_HOST_ENDIAN = B_MEDIA_BIG_ENDIAN #else B_MEDIA_HOST_ENDIAN = B_MEDIA_LITTLE_ENDIAN #endif }; struct media_multi_audio_format; struct media_raw_audio_format { // possible values for "format" enum { B_AUDIO_FLOAT = 0x24, // 0 == mid, -1.0 == bottom, 1.0 == top // (the preferred format for non-game audio) B_AUDIO_DOUBLE = 0x28, // 0 == mid, -1.0 == bottom, 1.0 == top // (only useful for pro audio) B_AUDIO_INT = 0x4, // 0 == mid, 0x80000001 == bottom, 0x7fffffff == top // (all >16-bit formats, left-adjusted) B_AUDIO_SHORT = 0x2, // 0 == mid, -32767 == bottom, +32767 == top B_AUDIO_UCHAR = 0x11, // 128 == mid, 1 == bottom, 255 == top // (discouraged but supported format) B_AUDIO_CHAR = 0x1, // 0 == mid, -127 == bottom, +127 == top // (not officially supported format) B_AUDIO_SIZE_MASK = 0xf // This mask can be used to obtain the sample size // for raw formats: (format & 0xf) == sizeof(sample) }; float frame_rate; uint32 channel_count; uint32 format; // see possible values above uint32 byte_order; // B_MEDIA_LITTLE_ENDIAN or B_MEDIA_BIG_ENDIAN size_t buffer_size; // size of each buffer static const media_multi_audio_format wildcard; }; struct media_audio_header { // TODO: Refine this structure and put actual data at the end int32 _reserved_[14]; float frame_rate; uint32 channel_count; }; struct media_multi_audio_info { uint32 channel_mask; // bitmask int16 valid_bits; // if < 32, for B_AUDIO_INT uint16 matrix_mask; // each of these bits may mean more than one // channel uint32 _reserved_b[3]; }; struct media_multi_audio_format : public media_raw_audio_format, public media_multi_audio_info { static const media_multi_audio_format wildcard; }; struct media_encoded_audio_format { enum audio_encoding { B_ANY }; media_raw_audio_format output; audio_encoding encoding; float bit_rate; size_t frame_size; media_multi_audio_info multi_info; uint32 _reserved_[3]; static const media_encoded_audio_format wildcard; }; struct media_encoded_audio_header { // NOTE: More data fields need to go to the end int32 _reserved_0[14]; uint32 buffer_flags; // B_MEDIA_KEY_FRAME for key frame chunks uchar unused_mask; // mask of unused bits for the last byte of data uchar _reserved_2[3]; }; enum media_display_flags { B_F1_DOMINANT = 0x1, // The first buffer sent (temporally) will // be an F1 field. B_F2_DOMINANT = 0x2, // The first buffer sent (temporally) will // be an F2 field. B_TOP_SCANLINE_F1 = 0x4, // The topmost scanline of the output buffer // belongs to F1. B_TOP_SCANLINE_F2 = 0x8 // The topmost scanline of the output buffer // belongs to F2. }; struct media_video_display_info { color_space format; uint32 line_width; uint32 line_count; // sum of all interlace fields lines uint32 bytes_per_row; // bytes_per_row is in format, not header, // because it's part of SetBuffers uint32 pixel_offset; // (in pixels) Offset from the start of the // buffer (see below). uint32 line_offset; // (in lines) Offset to the start of the field. // Think "buffer == framebuffer" when the // window displaying the active field moves // on screen. uint32 flags; uint32 _reserved_[3]; static const media_video_display_info wildcard; }; struct media_raw_video_format { float field_rate; uint32 interlace; // Number of fields per frame: 1 means // progressive (non-interlaced) frames. uint32 first_active; // Index of first active line. 0, typically // (wildcard, or "don't care") uint32 last_active; // Index of last active line (typically // line_count - 1, if first_active is 0. uint32 orientation; // B_VIDEO_TOP_LEFT_RIGHT is preferred. // This is the display aspect ratio (DAR). Usually, you would reduce the // width and height of the intended output frame size as far as possible // without changing their ratio. Note that you should not put 1 in both // fields to mean "undistorted pixels", unless you really intend square // video output! uint16 pixel_width_aspect; // 1:1 has 1 here, 4:3 has 4 here // 16:9 has 16 here! uint16 pixel_height_aspect; // 1:1 has 1 here, 4:3 has 3 here // 16:9 has 9 here! media_video_display_info display; static const media_raw_video_format wildcard; }; struct media_video_header { uint32 _reserved_[8]; // NOTE: Keep reserved data at the top! uint32 display_line_width; // Number of pixels per display_line uint32 display_line_count; // Sum of all interlace fields lines uint32 bytes_per_row; // Number of bytes in a display_line // (padding bytes excluded) uint16 pixel_width_aspect; // 1:1 has 1 here, 4:3 has 4 here // 16:9 has 16 here! uint16 pixel_height_aspect;// 1:1 has 1 here, 4:3 has 3 here // 16:9 has 9 here! float field_gamma; uint32 field_sequence; // Sequence number since start of capture // May roll over if machine is on for a // LONG time. uint16 field_number; // 0 .. {interlace-1}; F1 == 0 ("odd"), // F2 == 1 ("even") uint16 pulldown_number; // 0..2 for pulldown duplicated sequence uint16 first_active_line; // The NTSC/PAL line number (1-based) of // the first line in this field uint16 line_count; // The number of active lines in buffer. }; struct media_encoded_video_format { enum video_encoding { B_ANY }; media_raw_video_format output; // set unknowns to wildcard float avg_bit_rate; float max_bit_rate; video_encoding encoding; size_t frame_size; int16 forward_history; // maximum forward memory // required by codec int16 backward_history; // maximum backward memory // required by codec uint32 _reserved_[3]; // This structure cannot grow // more than this (embedded) // in media_format union static const media_encoded_video_format wildcard; }; struct media_encoded_video_header { // NOTE: More data fields need to go at the end of this structure. int32 _reserved_1[9]; uint32 field_flags; // B_MEDIA_KEY_FRAME int16 forward_history; // forward memory required by this buffer // (0 for key frames) int16 backward_history; // backward memory required by this buffer // (0 for key frames) uchar unused_mask; // mask of unused bits for the last byte // of data uchar _reserved_2[3]; float field_gamma; uint32 field_sequence; // sequence since start of capture uint16 field_number; // 0 .. {interlace-1}; F1 == 0, F2 == 1 uint16 pulldown_number; // 0..2 for pulldown duplicated sequence uint16 first_active_line; // 0 or 1, typically, but could be 10 or // 11 for full-NTSC formats uint16 line_count; // number of actual lines in buffer }; struct media_multistream_format { enum { B_ANY = 0, B_VID = 1, // raw raw_video/raw_audio buffers B_AVI, B_MPEG1, B_MPEG2, B_QUICKTIME, B_PRIVATE = 90000, B_FIRST_USER_TYPE = 100000 }; float avg_bit_rate; // 8 * byte rate, on average float max_bit_rate; // 8 * byte rate, tops uint32 avg_chunk_size; // == max_chunk_size for fixed-size // chunks uint32 max_chunk_size; // max buffer size enum { B_HEADER_HAS_FLAGS = 0x1, // are flags important? B_CLEAN_BUFFERS = 0x2, // each buffer represents an integral // number of "frames" B_HOMOGENOUS_BUFFERS = 0x4 // a buffer has only one format in it }; uint32 flags; int32 format; uint32 _reserved_[2]; struct vid_info { float frame_rate; uint16 width; uint16 height; color_space space; float sampling_rate; uint32 sample_format; uint16 byte_order; uint16 channel_count; }; struct avi_info { uint32 us_per_frame; uint16 width; uint16 height; uint16 _reserved_; uint16 type_count; media_type types[5]; }; union { vid_info vid; avi_info avi; } u; static const media_multistream_format wildcard; }; struct media_multistream_header { uint32 _reserved_[14]; uchar unused_mask; // mask of unused bits for the last byte // of data uchar _reserved_2[3]; enum { B_MASTER_HEADER = 0x1, // for master stream header data in buffer B_SUBSTREAM_HEADER = 0x2, // for sub-stream header data in buffer B_COMPLETE_BUFFER = 0x4 // data is an integral number of "frames" }; uint32 flags; }; extern const type_code B_CODEC_TYPE_INFO; enum media_format_flags { B_MEDIA_RETAINED_DATA = 0x1, B_MEDIA_MULTIPLE_BUFFERS = 0x2, B_MEDIA_CONTIGUOUS_BUFFER = 0x4, B_MEDIA_LINEAR_UPDATES = 0x8, B_MEDIA_MAUI_UNDEFINED_FLAGS = ~0xf // NOTE: Always deny these flags // in new code. }; // NOTE: A field of 0 typically means "anything" or "wildcard". // NOTE: This structure should not be bigger than 192 bytes! struct media_format { media_type type; type_code user_data_type; uchar user_data[48]; uint32 _reserved_[3]; uint16 require_flags; // media_format_flags uint16 deny_flags; // media_format_flags private: void* meta_data; int32 meta_data_size; area_id meta_data_area; area_id __unused_was_use_area; team_id __unused_was_team; void* __unused_was_thisPtr; public: union { media_multi_audio_format raw_audio; media_raw_video_format raw_video; media_multistream_format multistream; media_encoded_audio_format encoded_audio; media_encoded_video_format encoded_video; char _reserved_[96]; // pad to 96 bytes } u; bool IsVideo() const; uint32 Width() const; uint32 Height() const; color_space ColorSpace() const; uint32& Width(); uint32& Height(); color_space& ColorSpace(); bool IsAudio() const; uint32 AudioFormat() const; uint32& AudioFormat(); uint32 AudioFrameSize() const; uint32 Encoding() const; bool Matches(const media_format* other) const; void SpecializeTo(const media_format* other); status_t SetMetaData(const void* data, size_t size); const void* MetaData() const; int32 MetaDataSize() const; void Unflatten(const char *flatBuffer); void Clear(); media_format(); media_format(const media_format& other); ~media_format(); media_format& operator=(const media_format& other); }; bool operator==(const media_raw_audio_format& a, const media_raw_audio_format& b); bool operator==(const media_multi_audio_info& a, const media_multi_audio_info& b); bool operator==(const media_multi_audio_format& a, const media_multi_audio_format& b); bool operator==(const media_encoded_audio_format& a, const media_encoded_audio_format& b); bool operator==(const media_video_display_info& a, const media_video_display_info& b); bool operator==(const media_raw_video_format& a, const media_raw_video_format& b); bool operator==(const media_encoded_video_format& a, const media_encoded_video_format& b); bool operator==(const media_multistream_format::vid_info& a, const media_multistream_format::vid_info& b); bool operator==(const media_multistream_format::avi_info& a, const media_multistream_format::avi_info & b); bool operator==(const media_multistream_format& a, const media_multistream_format& b); bool operator==(const media_format& a, const media_format& b); bool format_is_compatible(const media_format & a, const media_format & b); // Returns true if a and b are compatible (accounting for wildcards) // (a is the format you want to feed to something accepting b bool string_for_format(const media_format & f, char * buf, size_t size); struct media_seek_tag { char data[16]; }; struct media_header_time_code { int8 type; // See TimeCode.h; don't use the "DEFAULT" value int8 _reserved; int8 hours; int8 minutes; int8 seconds; int8 frames; int16 subframes; // Set to -1 if not available }; // Broadcast() fills in fields marked with "//+" struct media_header { media_type type; // what kind of data (for union) media_buffer_id buffer; //+ what buffer does this header go with? int32 destination; //+ what 'socket' is this intended for? media_node_id time_source; // node that encoded start_time uint32 _deprecated_; // used to be change_tag uint32 size_used; // size within buffer that is used bigtime_t start_time; // performance time area_id owner; //+ buffer owner info area enum { B_SEEK_TAG = 'TRST', // user data type of the codec seek // protocol. size of seek tag is 16 bytes B_TIME_CODE = 'TRTC' // user data is media_header_time_code }; type_code user_data_type; uchar user_data[64]; // user_data_type indicates what this is int32 source; port_id source_port; off_t file_pos; // where in a file this data came from size_t orig_size; // and how big it was. if unused, zero out uint32 data_offset; // offset within buffer (already reflected in Data()) union { media_audio_header raw_audio; media_video_header raw_video; media_multistream_header multistream; media_encoded_audio_header encoded_audio; media_encoded_video_header encoded_video; char _reserved_[64]; // pad to 64 bytes } u; }; struct media_file_format_id { ino_t node; dev_t device; uint32 internal_id; }; bool operator==(const media_file_format_id& a, const media_file_format_id& b); bool operator<(const media_file_format_id& a, const media_file_format_id& b); typedef enum { B_ANY_FORMAT_FAMILY = 0, B_BEOS_FORMAT_FAMILY = 1, B_QUICKTIME_FORMAT_FAMILY = 2, // QuickTime is a registered // trademark of Apple Computer. B_AVI_FORMAT_FAMILY = 3, B_ASF_FORMAT_FAMILY = 4, B_MPEG_FORMAT_FAMILY = 5, B_WAV_FORMAT_FAMILY = 6, B_AIFF_FORMAT_FAMILY = 7, B_AVR_FORMAT_FAMILY = 8, B_MISC_FORMAT_FAMILY = 99999, } media_format_family; struct media_file_format { // Possible flags for capabilities bitmask enum { B_READABLE = 0x1, B_WRITABLE = 0x2, B_PERFECTLY_SEEKABLE = 0x4, B_IMPERFECTLY_SEEKABLE = 0x8, B_KNOWS_RAW_VIDEO = 0x10, B_KNOWS_RAW_AUDIO = 0x20, B_KNOWS_MIDI = 0x40, B_KNOWS_ENCODED_VIDEO = 0x80, B_KNOWS_ENCODED_AUDIO = 0x100, B_KNOWS_OTHER = 0x1000000, // For example sub-title streams B_KNOWS_ANYTHING = 0x2000000 }; uint32 capabilities; // Bitmask, see flags above media_file_format_id id; // Opaque id used to construct a // BMediaFile media_format_family family; // One of the family enums int32 version; // 100 for 1.0 uint32 _reserved_[25]; char mime_type[64]; char pretty_name[64]; // "QuickTime File Format" char short_name[32]; // "quicktime", "avi", "mpeg" char file_extension[8]; // "mov", "avi", "mpg" char reserved[88]; }; // Initialize the cookie to 0 and keep calling this function to iterate // over all available media file format writers. status_t get_next_file_format(int32* cookie, media_file_format* mfi); // A buffer of this size is guaranteed to be large enough to hold any // message, which your service thread can read from read_port() and // passes on to HandleMessage(). const size_t B_MEDIA_MESSAGE_SIZE = 16384; extern const char* B_MEDIA_SERVER_SIGNATURE; class media_node; struct media_input; struct media_output; struct live_node_info; struct dormant_node_info; struct buffer_clone_info; // Functions which control the shutdown and launching process of the // media_server and it's friends. You can provide a call back hook which // will be called during various steps of the process. This callback should // currently always return TRUE. A 'stage' value of 100 means the process is // completely finished. Differently from BeOS the functions automatically // send notifications to the Deskbar if not differently specified. // It's also provided a new version of launch_media_server allowing // to specify a custom callback for notifications. status_t launch_media_server(bigtime_t timeout = B_INFINITE_TIMEOUT, bool (*progress)(int stage, const char* message, void* cookie) = NULL, void* cookie = NULL, uint32 flags = 0); status_t shutdown_media_server(bigtime_t timeout = B_INFINITE_TIMEOUT, bool (*progress)(int stage, const char* message, void* cookie) = NULL, void* cookie = NULL); // A teeny bit of legacy preserved for BSoundFile from R3. // These came from the old MediaDefs.h; don't use them // unless you get them from BSoundFile. // values for byte_ordering enum { B_BIG_ENDIAN, B_LITTLE_ENDIAN }; // values for sample_format enum { B_UNDEFINED_SAMPLES, B_LINEAR_SAMPLES, B_FLOAT_SAMPLES, B_MULAW_SAMPLES }; // #pragma mark - encoders and file writers struct media_encode_info { uint32 flags; // B_MEDIA_KEY_FRAME, set before every // use int32 used_data_size; // data size used by other tracks // add output size used by this encoder bigtime_t start_time; // us from start of file bigtime_t time_to_encode; // 0 - hurry up, B_INFINITE_TIMEOUT // - don't care int32 _pad[22]; void* file_format_data; // file format specific info size_t file_format_data_size; void* codec_data; // codec specific info size_t codec_data_size; media_encode_info(); }; struct encode_parameters { float quality; // 0.0-1.0 , 1.0 is high quality int32 avg_field_size; // in bytes int32 max_field_size; // in bytes int32 _pad[27]; void* user_data; // codec specific info size_t user_data_size; }; struct media_decode_info { bigtime_t time_to_decode; // 0 - hurry up, B_INFINITE_TIMEOUT // - don't care int32 _pad[26]; void* file_format_data; // file format specific info size_t file_format_data_size; void* codec_data; // codec specific info size_t codec_data_size; media_decode_info(); }; // #pragma mark - inline implementations inline bool media_format::IsVideo() const { return type == B_MEDIA_ENCODED_VIDEO || type == B_MEDIA_RAW_VIDEO; } inline uint32 media_format::Width() const { return type == B_MEDIA_ENCODED_VIDEO ? u.encoded_video.output.display.line_width : u.raw_video.display.line_width; } inline uint32 media_format::Height() const { return type == B_MEDIA_ENCODED_VIDEO ? u.encoded_video.output.display.line_count : u.raw_video.display.line_count; } inline color_space media_format::ColorSpace() const { return type == B_MEDIA_ENCODED_VIDEO ? u.encoded_video.output.display.format : u.raw_video.display.format; } inline uint32& media_format::Width() { return type == B_MEDIA_ENCODED_VIDEO ? u.encoded_video.output.display.line_width : u.raw_video.display.line_width; } inline uint32& media_format::Height() { return type == B_MEDIA_ENCODED_VIDEO ? u.encoded_video.output.display.line_count : u.raw_video.display.line_count; } inline color_space& media_format::ColorSpace() { return type == B_MEDIA_ENCODED_VIDEO ? u.encoded_video.output.display.format : u.raw_video.display.format; } inline bool media_format::IsAudio() const { return type == B_MEDIA_ENCODED_AUDIO || type == B_MEDIA_RAW_AUDIO; } inline uint32 media_format::AudioFormat() const { return type == B_MEDIA_ENCODED_AUDIO ? u.encoded_audio.output.format : u.raw_audio.format; } inline uint32& media_format::AudioFormat() { return type == B_MEDIA_ENCODED_AUDIO ? u.encoded_audio.output.format : u.raw_audio.format; } inline uint32 media_format::AudioFrameSize() const { return type == B_MEDIA_ENCODED_AUDIO ? (u.encoded_audio.output.format & media_raw_audio_format::B_AUDIO_SIZE_MASK) * u.encoded_audio.output.channel_count : (u.raw_audio.format & media_raw_audio_format::B_AUDIO_SIZE_MASK) * u.raw_audio.channel_count; } inline uint32 media_format::Encoding() const { return type == B_MEDIA_ENCODED_VIDEO ? u.encoded_video.encoding : type == B_MEDIA_ENCODED_AUDIO ? u.encoded_audio.encoding : type == B_MEDIA_MULTISTREAM ? u.multistream.format : 0UL; } #endif /* end of __cplusplus section */ #endif /* MEDIA_DEFS_H */