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Diffstat (limited to 'src/xine-engine/buffer.h')
| -rw-r--r-- | src/xine-engine/buffer.h | 698 |
1 files changed, 0 insertions, 698 deletions
diff --git a/src/xine-engine/buffer.h b/src/xine-engine/buffer.h deleted file mode 100644 index 2c13919b8..000000000 --- a/src/xine-engine/buffer.h +++ /dev/null @@ -1,698 +0,0 @@ -/* - * Copyright (C) 2000-2008 the xine project - * - * This file is part of xine, a free video player. - * - * xine is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * xine is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * - * contents: - * - * buffer_entry structure - serves as a transport encapsulation - * of the mpeg audio/video data through xine - * - * free buffer pool management routines - * - * FIFO buffer structures/routines - */ - -#ifndef HAVE_BUFFER_H -#define HAVE_BUFFER_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include <string.h> -#include <stdio.h> -#include <pthread.h> -#include <sys/types.h> - -#ifdef XINE_COMPILE -# include <inttypes.h> -# include "attributes.h" -#else -# include <xine/os_types.h> -# include <xine/attributes.h> -#endif - -#define BUF_MAX_CALLBACKS 5 - -/* - * buffer types - * - * a buffer type ID describes the contents of a buffer - * it consists of three fields: - * - * buf_type = 0xMMDDCCCC - * - * MM : major buffer type (CONTROL, VIDEO, AUDIO, SPU) - * DD : decoder selection (e.g. MPEG, OPENDIVX ... for VIDEO) - * CCCC : channel number or other subtype information for the decoder - */ - -#define BUF_MAJOR_MASK 0xFF000000 -#define BUF_DECODER_MASK 0x00FF0000 - -/* control buffer types */ - -#define BUF_CONTROL_BASE 0x01000000 -#define BUF_CONTROL_START 0x01000000 -#define BUF_CONTROL_END 0x01010000 -#define BUF_CONTROL_QUIT 0x01020000 -#define BUF_CONTROL_DISCONTINUITY 0x01030000 /* former AVSYNC_RESET */ -#define BUF_CONTROL_NOP 0x01040000 -#define BUF_CONTROL_AUDIO_CHANNEL 0x01050000 -#define BUF_CONTROL_SPU_CHANNEL 0x01060000 -#define BUF_CONTROL_NEWPTS 0x01070000 -#define BUF_CONTROL_RESET_DECODER 0x01080000 -#define BUF_CONTROL_HEADERS_DONE 0x01090000 -#define BUF_CONTROL_FLUSH_DECODER 0x010a0000 -#define BUF_CONTROL_RESET_TRACK_MAP 0x010b0000 - -/* video buffer types: (please keep in sync with buffer_types.c) */ - -#define BUF_VIDEO_BASE 0x02000000 -#define BUF_VIDEO_UNKNOWN 0x02ff0000 /* no decoder should handle this one */ -#define BUF_VIDEO_MPEG 0x02000000 -#define BUF_VIDEO_MPEG4 0x02010000 -#define BUF_VIDEO_CINEPAK 0x02020000 -#define BUF_VIDEO_SORENSON_V1 0x02030000 -#define BUF_VIDEO_MSMPEG4_V2 0x02040000 -#define BUF_VIDEO_MSMPEG4_V3 0x02050000 -#define BUF_VIDEO_MJPEG 0x02060000 -#define BUF_VIDEO_IV50 0x02070000 -#define BUF_VIDEO_IV41 0x02080000 -#define BUF_VIDEO_IV32 0x02090000 -#define BUF_VIDEO_IV31 0x020a0000 -#define BUF_VIDEO_ATIVCR1 0x020b0000 -#define BUF_VIDEO_ATIVCR2 0x020c0000 -#define BUF_VIDEO_I263 0x020d0000 -#define BUF_VIDEO_RV10 0x020e0000 -#define BUF_VIDEO_RGB 0x02100000 -#define BUF_VIDEO_YUY2 0x02110000 -#define BUF_VIDEO_JPEG 0x02120000 -#define BUF_VIDEO_WMV7 0x02130000 -#define BUF_VIDEO_WMV8 0x02140000 -#define BUF_VIDEO_MSVC 0x02150000 -#define BUF_VIDEO_DV 0x02160000 -#define BUF_VIDEO_REAL 0x02170000 -#define BUF_VIDEO_VP31 0x02180000 -#define BUF_VIDEO_H263 0x02190000 -#define BUF_VIDEO_3IVX 0x021A0000 -#define BUF_VIDEO_CYUV 0x021B0000 -#define BUF_VIDEO_DIVX5 0x021C0000 -#define BUF_VIDEO_XVID 0x021D0000 -#define BUF_VIDEO_SMC 0x021E0000 -#define BUF_VIDEO_RPZA 0x021F0000 -#define BUF_VIDEO_QTRLE 0x02200000 -#define BUF_VIDEO_MSRLE 0x02210000 -#define BUF_VIDEO_DUCKTM1 0x02220000 -#define BUF_VIDEO_FLI 0x02230000 -#define BUF_VIDEO_ROQ 0x02240000 -#define BUF_VIDEO_SORENSON_V3 0x02250000 -#define BUF_VIDEO_MSMPEG4_V1 0x02260000 -#define BUF_VIDEO_MSS1 0x02270000 -#define BUF_VIDEO_IDCIN 0x02280000 -#define BUF_VIDEO_PGVV 0x02290000 -#define BUF_VIDEO_ZYGO 0x022A0000 -#define BUF_VIDEO_TSCC 0x022B0000 -#define BUF_VIDEO_YVU9 0x022C0000 -#define BUF_VIDEO_VQA 0x022D0000 -#define BUF_VIDEO_GREY 0x022E0000 -#define BUF_VIDEO_XXAN 0x022F0000 -#define BUF_VIDEO_WC3 0x02300000 -#define BUF_VIDEO_YV12 0x02310000 -#define BUF_VIDEO_SEGA 0x02320000 -#define BUF_VIDEO_RV20 0x02330000 -#define BUF_VIDEO_RV30 0x02340000 -#define BUF_VIDEO_MVI2 0x02350000 -#define BUF_VIDEO_UCOD 0x02360000 -#define BUF_VIDEO_WMV9 0x02370000 -#define BUF_VIDEO_INTERPLAY 0x02380000 -#define BUF_VIDEO_RV40 0x02390000 -#define BUF_VIDEO_PSX_MDEC 0x023A0000 -#define BUF_VIDEO_YUV_FRAMES 0x023B0000 /* uncompressed YUV, delivered by v4l input plugin */ -#define BUF_VIDEO_HUFFYUV 0x023C0000 -#define BUF_VIDEO_IMAGE 0x023D0000 -#define BUF_VIDEO_THEORA 0x023E0000 -#define BUF_VIDEO_4XM 0x023F0000 -#define BUF_VIDEO_I420 0x02400000 -#define BUF_VIDEO_VP4 0x02410000 -#define BUF_VIDEO_VP5 0x02420000 -#define BUF_VIDEO_VP6 0x02430000 -#define BUF_VIDEO_VMD 0x02440000 -#define BUF_VIDEO_MSZH 0x02450000 -#define BUF_VIDEO_ZLIB 0x02460000 -#define BUF_VIDEO_8BPS 0x02470000 -#define BUF_VIDEO_ASV1 0x02480000 -#define BUF_VIDEO_ASV2 0x02490000 -#define BUF_VIDEO_BITPLANE 0x024A0000 /* Amiga typical picture and animation format */ -#define BUF_VIDEO_BITPLANE_BR1 0x024B0000 /* the same with Bytrun compression 1 */ -#define BUF_VIDEO_FLV1 0x024C0000 -#define BUF_VIDEO_H264 0x024D0000 -#define BUF_VIDEO_MJPEG_B 0x024E0000 -#define BUF_VIDEO_H261 0x024F0000 -#define BUF_VIDEO_AASC 0x02500000 -#define BUF_VIDEO_LOCO 0x02510000 -#define BUF_VIDEO_QDRW 0x02520000 -#define BUF_VIDEO_QPEG 0x02530000 -#define BUF_VIDEO_ULTI 0x02540000 -#define BUF_VIDEO_WNV1 0x02550000 -#define BUF_VIDEO_XL 0x02560000 -#define BUF_VIDEO_RT21 0x02570000 -#define BUF_VIDEO_FPS1 0x02580000 -#define BUF_VIDEO_DUCKTM2 0x02590000 -#define BUF_VIDEO_CSCD 0x025A0000 -#define BUF_VIDEO_ALGMM 0x025B0000 -#define BUF_VIDEO_ZMBV 0x025C0000 -#define BUF_VIDEO_AVS 0x025D0000 -#define BUF_VIDEO_SMACKER 0x025E0000 -#define BUF_VIDEO_NUV 0x025F0000 -#define BUF_VIDEO_KMVC 0x02600000 -#define BUF_VIDEO_FLASHSV 0x02610000 -#define BUF_VIDEO_CAVS 0x02620000 -#define BUF_VIDEO_VP6F 0x02630000 -#define BUF_VIDEO_THEORA_RAW 0x02640000 -#define BUF_VIDEO_VC1 0x02650000 -#define BUF_VIDEO_VMNC 0x02660000 -#define BUF_VIDEO_SNOW 0x02670000 -#define BUF_VIDEO_VP8 0x02680000 - -/* audio buffer types: (please keep in sync with buffer_types.c) */ - -#define BUF_AUDIO_BASE 0x03000000 -#define BUF_AUDIO_UNKNOWN 0x03ff0000 /* no decoder should handle this one */ -#define BUF_AUDIO_A52 0x03000000 -#define BUF_AUDIO_MPEG 0x03010000 -#define BUF_AUDIO_LPCM_BE 0x03020000 -#define BUF_AUDIO_LPCM_LE 0x03030000 -#define BUF_AUDIO_WMAV1 0x03040000 -#define BUF_AUDIO_DTS 0x03050000 -#define BUF_AUDIO_MSADPCM 0x03060000 -#define BUF_AUDIO_MSIMAADPCM 0x03070000 -#define BUF_AUDIO_MSGSM 0x03080000 -#define BUF_AUDIO_VORBIS 0x03090000 -#define BUF_AUDIO_IMC 0x030a0000 -#define BUF_AUDIO_LH 0x030b0000 -#define BUF_AUDIO_VOXWARE 0x030c0000 -#define BUF_AUDIO_ACELPNET 0x030d0000 -#define BUF_AUDIO_AAC 0x030e0000 -#define BUF_AUDIO_DNET 0x030f0000 -#define BUF_AUDIO_VIVOG723 0x03100000 -#define BUF_AUDIO_DK3ADPCM 0x03110000 -#define BUF_AUDIO_DK4ADPCM 0x03120000 -#define BUF_AUDIO_ROQ 0x03130000 -#define BUF_AUDIO_QTIMAADPCM 0x03140000 -#define BUF_AUDIO_MAC3 0x03150000 -#define BUF_AUDIO_MAC6 0x03160000 -#define BUF_AUDIO_QDESIGN1 0x03170000 -#define BUF_AUDIO_QDESIGN2 0x03180000 -#define BUF_AUDIO_QCLP 0x03190000 -#define BUF_AUDIO_SMJPEG_IMA 0x031A0000 -#define BUF_AUDIO_VQA_IMA 0x031B0000 -#define BUF_AUDIO_MULAW 0x031C0000 -#define BUF_AUDIO_ALAW 0x031D0000 -#define BUF_AUDIO_GSM610 0x031E0000 -#define BUF_AUDIO_EA_ADPCM 0x031F0000 -#define BUF_AUDIO_WMAV2 0x03200000 -#define BUF_AUDIO_COOK 0x03210000 -#define BUF_AUDIO_ATRK 0x03220000 -#define BUF_AUDIO_14_4 0x03230000 -#define BUF_AUDIO_28_8 0x03240000 -#define BUF_AUDIO_SIPRO 0x03250000 -#define BUF_AUDIO_WMAPRO 0x03260000 -#define BUF_AUDIO_WMAV3 BUF_AUDIO_WMAPRO -#define BUF_AUDIO_INTERPLAY 0x03270000 -#define BUF_AUDIO_XA_ADPCM 0x03280000 -#define BUF_AUDIO_WESTWOOD 0x03290000 -#define BUF_AUDIO_DIALOGIC_IMA 0x032A0000 -#define BUF_AUDIO_NSF 0x032B0000 -#define BUF_AUDIO_FLAC 0x032C0000 -#define BUF_AUDIO_DV 0x032D0000 -#define BUF_AUDIO_WMAV 0x032E0000 -#define BUF_AUDIO_SPEEX 0x032F0000 -#define BUF_AUDIO_RAWPCM 0x03300000 -#define BUF_AUDIO_4X_ADPCM 0x03310000 -#define BUF_AUDIO_VMD 0x03320000 -#define BUF_AUDIO_XAN_DPCM 0x03330000 -#define BUF_AUDIO_ALAC 0x03340000 -#define BUF_AUDIO_MPC 0x03350000 -#define BUF_AUDIO_SHORTEN 0x03360000 -#define BUF_AUDIO_WESTWOOD_SND1 0x03370000 -#define BUF_AUDIO_WMALL 0x03380000 -#define BUF_AUDIO_TRUESPEECH 0x03390000 -#define BUF_AUDIO_TTA 0x033A0000 -#define BUF_AUDIO_SMACKER 0x033B0000 -#define BUF_AUDIO_FLVADPCM 0x033C0000 -#define BUF_AUDIO_WAVPACK 0x033D0000 -#define BUF_AUDIO_MP3ADU 0x033E0000 -#define BUF_AUDIO_AMR_NB 0x033F0000 -#define BUF_AUDIO_AMR_WB 0x03400000 -#define BUF_AUDIO_EAC3 0x03410000 -#define BUF_AUDIO_AAC_LATM 0x03420000 - -/* spu buffer types: */ - -#define BUF_SPU_BASE 0x04000000 -#define BUF_SPU_DVD 0x04000000 -#define BUF_SPU_TEXT 0x04010000 -#define BUF_SPU_CC 0x04020000 -#define BUF_SPU_DVB 0x04030000 -#define BUF_SPU_SVCD 0x04040000 -#define BUF_SPU_CVD 0x04050000 -#define BUF_SPU_OGM 0x04060000 -#define BUF_SPU_CMML 0x04070000 -#define BUF_SPU_HDMV 0x04080000 - -/* demuxer block types: */ - -#define BUF_DEMUX_BLOCK 0x05000000 - -typedef struct extra_info_s extra_info_t; - -/* - * extra_info_t is used to pass information from input or demuxer plugins - * to output frames (past decoder). new data must be added after the existing - * fields for backward compatibility. - */ - -struct extra_info_s { - - int input_normpos; /* remember where this buf came from in - * the input source (0..65535). can be - * either time or offset based. */ - int input_time; /* time offset in miliseconds from - * beginning of stream */ - uint32_t frame_number; /* number of current frame if known */ - - int seek_count; /* internal engine use */ - int64_t vpts; /* set on output layers only */ - - int invalid; /* do not use this extra info to update anything */ - int total_time; /* duration in miliseconds of the stream */ -}; - - -#define BUF_NUM_DEC_INFO 5 - -typedef struct buf_element_s buf_element_t; -struct buf_element_s { - buf_element_t *next; - - unsigned char *mem; - unsigned char *content; /* start of raw content in mem (without header etc) */ - - int32_t size ; /* size of _content_ */ - int32_t max_size; /* size of pre-allocated memory pointed to by "mem" */ - uint32_t type; - int64_t pts; /* presentation time stamp, used for a/v sync */ - int64_t disc_off; /* discontinuity offset */ - - extra_info_t *extra_info; /* extra info will be passed to frames */ - - uint32_t decoder_flags; /* stuff like keyframe, is_header ... see below */ - - /* additional decoder flags and other dec-spec. stuff */ - uint32_t decoder_info[BUF_NUM_DEC_INFO]; - /* pointers to dec-spec. stuff */ - void *decoder_info_ptr[BUF_NUM_DEC_INFO]; - - void (*free_buffer) (buf_element_t *buf); - - void *source; /* pointer to source of this buffer for */ - /* free_buffer */ - -} ; - -/* keyframe should be set whenever possible (that is, when demuxer - * knows about frames and keyframes). */ -#define BUF_FLAG_KEYFRAME 0x0001 - -/* frame start/end. BUF_FLAG_FRAME_END is sent on last buf of a frame */ -#define BUF_FLAG_FRAME_START 0x0002 -#define BUF_FLAG_FRAME_END 0x0004 - -/* any out-of-band data needed to initialize decoder must have - * this flag set. */ -#define BUF_FLAG_HEADER 0x0008 - -/* preview buffers are normal data buffers that must not produce any - * output in decoders (may be used to sneak details about the stream - * to come). */ -#define BUF_FLAG_PREVIEW 0x0010 - -/* set when user stop the playback */ -#define BUF_FLAG_END_USER 0x0020 - -/* set when stream finished naturaly */ -#define BUF_FLAG_END_STREAM 0x0040 - -/* decoder_info[0] carries the frame step (1/90000). */ -#define BUF_FLAG_FRAMERATE 0x0080 - -/* hint to metronom that seeking has occurred */ -#define BUF_FLAG_SEEK 0x0100 - -/* special information inside, see below. */ -#define BUF_FLAG_SPECIAL 0x0200 - -/* header use standard xine_bmiheader or xine_waveformatex structs. - * xine_waveformatex is actually optional since the most important - * information for audio init is available from decoder_info[]. - * note: BUF_FLAG_HEADER must also be set. */ -#define BUF_FLAG_STDHEADER 0x0400 - -/* decoder_info[1] carries numerator for display aspect ratio - * decoder_info[2] carries denominator for display aspect ratio */ -#define BUF_FLAG_ASPECT 0x0800 - -/* represent the state of gapless_switch at the time buf was enqueued */ -#define BUF_FLAG_GAPLESS_SW 0x1000 - -/* Amount of audio padding added by encoder (mp3, aac). These empty - * audio frames are causing a gap when switching between mp3 files. - * decoder_info[1] carries amount of audio frames padded at the - * beginning of the buffer - * decoder_info[2] carries amount of audio frames padded at the end of - * the buffer */ -#define BUF_FLAG_AUDIO_PADDING 0x2000 - -/* Special buffer types: - * Sometimes there is a need to relay special information from a demuxer - * to a video decoder. For example, some file types store palette data in - * the file header independant of the video data. The special buffer type - * offers a way to communicate this or any other custom, format-specific - * data to the decoder. - * - * The interface was designed in a way that did not require an API - * version bump. To send a special buffer type, set a buffer's flags field - * to BUF_FLAG_SPECIAL. Set the buffer's decoder_info[1] field to a - * number according to one of the special buffer subtypes defined below. - * The second and third decoder_info[] fields are defined according to - * your buffer type's requirements. - * - * Finally, remember to set the buffer's size to 0. This way, if a special - * buffer is sent to a decode that does not know how to handle it, the - * buffer will fall through to the case where the buffer's data content - * is accumulated and no harm will be done. - */ - -/* these are the types of special buffers */ - -/* - * In a BUF_SPECIAL_PALETTE buffer: - * decoder_info[1] = BUF_SPECIAL_PALETTE - * decoder_info[2] = number of entries in palette table - * decoder_info_ptr[2] = pointer to palette table - * This buffer type is used to provide a file- and decoder-independent - * facility to transport RGB color palettes from demuxers to decoders. - * A palette table is an array of palette_entry_t structures. A decoder - * should not count on this array to exist for the duration of the - * program's execution and should copy, manipulate, and store the palette - * data privately if it needs the palette information. - */ -#define BUF_SPECIAL_PALETTE 1 - - -/* special buffer type 2 used to be defined but is now available for use */ - - -/* - * In a BUF_SPECIAL_ASPECT buffer: - * decoder_info[1] = BUF_SPECIAL_ASPECT - * decoder_info[2] = MPEG2 aspect ratio code - * decoder_info[3] = stream scale prohibitions - * This buffer is used to force mpeg decoders to use a certain aspect. - * Currently xine-dvdnav uses this, because it has more accurate information - * about the aspect from the dvd ifo-data. - * The stream scale prohibitions are also delivered, with bit 0 meaning - * "deny letterboxing" and bit 1 meaning "deny pan&scan" - */ -#define BUF_SPECIAL_ASPECT 3 - -/* - * In a BUF_SPECIAL_DECODER_CONFIG buffer: - * decoder_info[1] = BUF_SPECIAL_DECODER_CONFIG - * decoder_info[2] = data size - * decoder_info_ptr[2] = pointer to data - * This buffer is used to pass config information from .mp4 files - * (atom esds) to decoders. both mpeg4 and aac streams use that. - */ -#define BUF_SPECIAL_DECODER_CONFIG 4 - -/* - * In a BUF_SPECIAL_STSD_ATOM buffer: - * decoder_info[1] = BUF_SPECIAL_STSD_ATOM - * decoder_info[2] = size of the ImageDescription atom, minus the - * four length bytes at the beginning - * decoder_info_ptr[2] = pointer to ImageDescription atom, starting with - * the codec fourcc - * Some Quicktime decoders need information contained within the - * ImageDescription atom inside a Quicktime file's stsd atom. This - * special buffer carries the ImageDescription atom from the QT demuxer - * to an A/V decoder. - */ -#define BUF_SPECIAL_STSD_ATOM 5 - -/* - * In a BUF_SPECIAL_LPCM_CONFIG buffer: - * decoder_info[1] = BUF_SPECIAL_LPCM_CONFIG - * decoder_info[2] = config data - * lpcm data encoded into mpeg2 streams have a format configuration - * byte in every frame. this is used to detect the sample rate, - * number of bits and channels. - */ -#define BUF_SPECIAL_LPCM_CONFIG 6 - -/* - * In a BUF_SPECIAL_CHARSET_ENCODING buffer: - * decoder_info[1] = BUF_SPECIAL_CHARSET_ENCODING - * decoder_info[2] = size of charset encoding string - * decoder_info_ptr[2] = pointer to charset encoding string - * This is used mostly with subtitle buffers when encoding is - * known at demuxer level (take precedence over xine config - * settings such as subtitles.separate.src_encoding) - */ -#define BUF_SPECIAL_CHARSET_ENCODING 7 - - -/* - * In a BUF_SPECIAL_SPU_DVD_SUBTYPE: - * decoder_info[1] = BUF_SPECIAL_SPU_DVD_SUBTYPE - * decoder_info[2] = subtype - * decoder_info[3] = - * This buffer is pass SPU subtypes from DVDs - */ -#define BUF_SPECIAL_SPU_DVD_SUBTYPE 8 - - -#define SPU_DVD_SUBTYPE_CLUT 1 -#define SPU_DVD_SUBTYPE_PACKAGE 2 -#define SPU_DVD_SUBTYPE_VOBSUB_PACKAGE 3 -#define SPU_DVD_SUBTYPE_NAV 4 - -/* In a BUF_SPECIAL_SPU_DVB_DESCRIPTOR - * decoder_info[1] = BUF_SPECIAL_SPU_DVB_DESCRIPTOR - * decoder_info[2] = size of spu_dvb_descriptor_t - * decoder_info_ptr[2] = pointer to spu_dvb_descriptor_t, or NULL - * decoder_info[3] = - * - * This buffer is used to tell a DVBSUB decoder when the stream - * changes. For more information on how to write a DVBSUB decoder, - * see the comment at the top of src/demuxers/demux_ts.c - **/ -#define BUF_SPECIAL_SPU_DVB_DESCRIPTOR 9 - -/* - * In a BUF_SPECIAL_RV_CHUNK_TABLE: - * decoder_info[1] = BUF_SPECIAL_RV_CHUNK_TABLE - * decoder_info[2] = number of entries in chunk table - * decoder_info_ptr[2] = pointer to the chunk table - * - * This buffer transports the chunk table associated to each RealVideo frame. - */ -#define BUF_SPECIAL_RV_CHUNK_TABLE 10 - -typedef struct spu_dvb_descriptor_s spu_dvb_descriptor_t; -struct spu_dvb_descriptor_s -{ - char lang[4]; - long comp_page_id; - long aux_page_id; -} ; - -typedef struct palette_entry_s palette_entry_t; -struct palette_entry_s -{ - unsigned char r, g, b; -} ; - -typedef struct fifo_buffer_s fifo_buffer_t; -struct fifo_buffer_s -{ - buf_element_t *first, *last; - - int fifo_size; - uint32_t fifo_data_size; - void *fifo_empty_cb_data; - - pthread_mutex_t mutex; - pthread_cond_t not_empty; - - /* - * functions to access this fifo: - */ - - void (*put) (fifo_buffer_t *fifo, buf_element_t *buf); - - buf_element_t *(*get) (fifo_buffer_t *fifo); - - void (*clear) (fifo_buffer_t *fifo) ; - - int (*size) (fifo_buffer_t *fifo); - - int (*num_free) (fifo_buffer_t *fifo); - - uint32_t (*data_size) (fifo_buffer_t *fifo); - - void (*dispose) (fifo_buffer_t *fifo); - - /* - * alloc buffer for this fifo from global buf pool - * you don't have to use this function to allocate a buffer, - * an input plugin can decide to implement it's own - * buffer allocation functions - */ - - buf_element_t *(*buffer_pool_alloc) (fifo_buffer_t *self); - - - /* - * special functions, not used by demuxers - */ - - /* the same as buffer_pool_alloc but may fail if none is available */ - buf_element_t *(*buffer_pool_try_alloc) (fifo_buffer_t *self); - - /* the same as put but insert at the head of the fifo */ - void (*insert) (fifo_buffer_t *fifo, buf_element_t *buf); - - /* callbacks */ - void (*register_alloc_cb) (fifo_buffer_t *fifo, void (*cb)(fifo_buffer_t *fifo, void *), void *cb_data); - void (*register_put_cb) (fifo_buffer_t *fifo, void (*cb)(fifo_buffer_t *fifo, buf_element_t *buf, void *), void *cb_data); - void (*register_get_cb) (fifo_buffer_t *fifo, void (*cb)(fifo_buffer_t *fifo, buf_element_t *buf, void *), void *cb_data); - void (*unregister_alloc_cb) (fifo_buffer_t *fifo, void (*cb)(fifo_buffer_t *fifo, void *)); - void (*unregister_put_cb) (fifo_buffer_t *fifo, void (*cb)(fifo_buffer_t *fifo, buf_element_t *buf, void *)); - void (*unregister_get_cb) (fifo_buffer_t *fifo, void (*cb)(fifo_buffer_t *fifo, buf_element_t *buf, void *)); - - /* - * private variables for buffer pool management - */ - buf_element_t *buffer_pool_top; /* a stack actually */ - pthread_mutex_t buffer_pool_mutex; - pthread_cond_t buffer_pool_cond_not_empty; - int buffer_pool_num_free; - int buffer_pool_capacity; - int buffer_pool_buf_size; - void *buffer_pool_base; /*used to free mem chunk */ - void (*alloc_cb[BUF_MAX_CALLBACKS])(fifo_buffer_t *fifo, void *data_cb); - void (*put_cb[BUF_MAX_CALLBACKS])(fifo_buffer_t *fifo, buf_element_t *buf, void *data_cb); - void (*get_cb[BUF_MAX_CALLBACKS])(fifo_buffer_t *fifo, buf_element_t *buf, void *data_cb); - void *alloc_cb_data[BUF_MAX_CALLBACKS]; - void *put_cb_data[BUF_MAX_CALLBACKS]; - void *get_cb_data[BUF_MAX_CALLBACKS]; -} ; - -/* - * allocate and initialize new (empty) fifo buffer, - * init buffer pool for it: - * allocate num_buffers of buf_size bytes each - */ - -fifo_buffer_t *_x_fifo_buffer_new (int num_buffers, uint32_t buf_size) XINE_MALLOC XINE_PROTECTED; -fifo_buffer_t *_x_dummy_fifo_buffer_new (int num_buffers, uint32_t buf_size) XINE_MALLOC XINE_PROTECTED; - - -/* return BUF_VIDEO_xxx given the fourcc - * fourcc_int must be read in machine endianness - * example: fourcc_int = *(uint32_t *)fourcc_char; - */ -uint32_t _x_fourcc_to_buf_video( uint32_t fourcc_int ) XINE_PROTECTED; - -/* return codec name given BUF_VIDEO_xxx */ -const char * _x_buf_video_name( uint32_t buf_type ) XINE_PROTECTED; - -/* return BUF_AUDIO_xxx given the formattag */ -uint32_t _x_formattag_to_buf_audio( uint32_t formattag ) XINE_PROTECTED; - -/* return codec name given BUF_AUDIO_xxx */ -const char * _x_buf_audio_name( uint32_t buf_type ) XINE_PROTECTED; - - -#ifndef SUPPORT_ATTRIBUTE_PACKED -/* no attribute packed? let's try with pragma pack as a last resort */ -#pragma pack(2) -#endif -/* this is xine version of BITMAPINFOHEADER - * - should be safe to compile on 64bits machines - * - will always use machine endian format, so demuxers reading - * stuff from win32 formats must use the function below. - */ -typedef struct XINE_PACKED { - int32_t biSize; - int32_t biWidth; - int32_t biHeight; - int16_t biPlanes; - int16_t biBitCount; - uint32_t biCompression; - int32_t biSizeImage; - int32_t biXPelsPerMeter; - int32_t biYPelsPerMeter; - int32_t biClrUsed; - int32_t biClrImportant; -} xine_bmiheader; - -/* this is xine version of WAVEFORMATEX - * (the same comments from xine_bmiheader) - */ -typedef struct XINE_PACKED { - int16_t wFormatTag; - int16_t nChannels; - int32_t nSamplesPerSec; - int32_t nAvgBytesPerSec; - int16_t nBlockAlign; - int16_t wBitsPerSample; - int16_t cbSize; -} xine_waveformatex; -#ifndef SUPPORT_ATTRIBUTE_PACKED -#pragma pack() -#endif - -/* convert xine_bmiheader struct from little endian */ -void _x_bmiheader_le2me( xine_bmiheader *bih ) XINE_PROTECTED; - -/* convert xine_waveformatex struct from little endian */ -void _x_waveformatex_le2me( xine_waveformatex *wavex ) XINE_PROTECTED; - -static __inline int _x_is_fourcc(const void *ptr, const void *tag) { - return memcmp(ptr, tag, 4) == 0; -} - -#ifdef __cplusplus -} -#endif - -#endif |