X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Finput%2Fdemux.c;h=dcc6b16cdeccdb7370b240419bbf0dbee3c8ec2f;hb=f96f02d9958fefa8381106084eb2b114b3cc544e;hp=3a47e70729eb1efca47530d5de661d078a330427;hpb=57bbabb5e7c4b33141fdfbd811c78120e2401a9f;p=vlc diff --git a/src/input/demux.c b/src/input/demux.c index 3a47e70729..dcc6b16cde 100644 --- a/src/input/demux.c +++ b/src/input/demux.c @@ -1,70 +1,93 @@ /***************************************************************************** * demux.c ***************************************************************************** - * Copyright (C) 1999-2004 the VideoLAN team + * Copyright (C) 1999-2004 VLC authors and VideoLAN * $Id$ * * Author: Laurent Aimar * - * This program 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 + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This program 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. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser 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 02110-1301, USA. + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ #ifdef HAVE_CONFIG_H # include "config.h" #endif -#include - -#include "input_internal.h" +#include "demux.h" +#include +#include +#include +#include +#include static bool SkipID3Tag( demux_t * ); static bool SkipAPETag( demux_t *p_demux ); +/* Decode URL (which has had its scheme stripped earlier) to a file path. */ +/* XXX: evil code duplication from access.c */ +static char *get_path(const char *location) +{ + char *url, *path; + + /* Prepending "file://" is a bit hackish. But then again, we do not want + * to hard-code the list of schemes that use file paths in make_path(). + */ + if (asprintf(&url, "file://%s", location) == -1) + return NULL; + + path = make_path (url); + free (url); + return path; +} + +#undef demux_New /***************************************************************************** * demux_New: * if s is NULL then load a access_demux *****************************************************************************/ -demux_t *__demux_New( vlc_object_t *p_obj, - const char *psz_access, const char *psz_demux, - const char *psz_path, - stream_t *s, es_out_t *out, bool b_quick ) +demux_t *demux_New( vlc_object_t *p_obj, input_thread_t *p_parent_input, + const char *psz_access, const char *psz_demux, + const char *psz_location, + stream_t *s, es_out_t *out, bool b_quick ) { - demux_t *p_demux = vlc_object_create( p_obj, VLC_OBJECT_DEMUX ); - const char *psz_module; - - if( p_demux == NULL ) return NULL; + demux_t *p_demux = vlc_custom_create( p_obj, sizeof( *p_demux ), "demux" ); + if( unlikely(p_demux == NULL) ) + return NULL; - /* Parse URL */ + p_demux->p_input = p_parent_input; p_demux->psz_access = strdup( psz_access ); - p_demux->psz_demux = strdup( psz_demux ); - p_demux->psz_path = strdup( psz_path ); - /* Take into account "demux" to be able to do :demux=dump */ - if( *p_demux->psz_demux == '\0' ) - { - free( p_demux->psz_demux ); - p_demux->psz_demux = var_GetNonEmptyString( p_obj, "demux" ); - if( p_demux->psz_demux == NULL ) - p_demux->psz_demux = strdup( "" ); - } + if( psz_demux[0] == '\0' ) + /* Take into account "demux" to be able to do :demux=dump */ + p_demux->psz_demux = var_InheritString( p_obj, "demux" ); + else + p_demux->psz_demux = strdup( psz_demux ); + + p_demux->psz_location = strdup( psz_location ); + p_demux->psz_file = get_path( psz_location ); /* parse URL */ + + if( unlikely(p_demux->psz_access == NULL + || p_demux->psz_demux == NULL + || p_demux->psz_location == NULL) ) + goto error; if( !b_quick ) - { - msg_Dbg( p_obj, "creating demux: access='%s' demux='%s' path='%s'", - p_demux->psz_access, p_demux->psz_demux, p_demux->psz_path ); - } + msg_Dbg( p_obj, "creating demux: access='%s' demux='%s' " + "location='%s' file='%s'", + p_demux->psz_access, p_demux->psz_demux, + p_demux->psz_location, p_demux->psz_file ); p_demux->s = s; p_demux->out = out; @@ -76,109 +99,107 @@ demux_t *__demux_New( vlc_object_t *p_obj, p_demux->info.i_title = 0; p_demux->info.i_seekpoint = 0; - if( s ) psz_module = p_demux->psz_demux; - else psz_module = p_demux->psz_access; - - if( s && *psz_module == '\0' && strrchr( p_demux->psz_path, '.' ) ) + /* NOTE: Add only file without any problems here and with strong detection: + * - no .mp3, .a52, ... + * - wav can't be added 'cause of a52 and dts in them as raw audio + */ + static const struct { char ext[5]; char demux[9]; } exttodemux[] = { - /* XXX: add only file without any problem here and with strong detection. - * - no .mp3, .a52, ... (aac is added as it works only by file ext - * anyway - * - wav can't be added 'cause of a52 and dts in them as raw audio - */ - static const struct { char ext[5]; char demux[9]; } exttodemux[] = - { - { "aac", "aac" }, - { "aiff", "aiff" }, - { "asf", "asf" }, { "wmv", "asf" }, { "wma", "asf" }, - { "avi", "avi" }, - { "au", "au" }, - { "flac", "flac" }, - { "dv", "dv" }, - { "m3u", "playlist" }, - { "mkv", "mkv" }, { "mka", "mkv" }, { "mks", "mkv" }, - { "mp4", "mp4" }, { "m4a", "mp4" }, { "mov", "mp4" }, { "moov", "mp4" }, - { "mod", "mod" }, { "xm", "mod" }, - { "nsv", "nsv" }, - { "ogg", "ogg" }, { "ogm", "ogg" }, - { "pva", "pva" }, - { "rm", "rm" }, - { "m4v", "m4v" }, - { "h264", "h264" }, - { "", "" }, - }; - /* Here, we don't mind if it does not work, it must be quick */ - static const struct { char ext[4]; char demux[5]; } exttodemux_quick[] = - { - { "mp3", "mpga" }, - { "ogg", "ogg" }, - { "wma", "asf" }, - { "", "" } - }; + { "aiff", "aiff" }, + { "asf", "asf" }, { "wmv", "asf" }, { "wma", "asf" }, + { "avi", "avi" }, + { "au", "au" }, + { "flac", "flac" }, + { "dv", "dv" }, + { "drc", "dirac" }, + { "m3u", "m3u" }, + { "m3u8", "m3u8" }, + { "mkv", "mkv" }, { "mka", "mkv" }, { "mks", "mkv" }, + { "mp4", "mp4" }, { "m4a", "mp4" }, { "mov", "mp4" }, { "moov", "mp4" }, + { "nsv", "nsv" }, + { "ogg", "ogg" }, { "ogm", "ogg" }, /* legacy Ogg */ + { "oga", "ogg" }, { "spx", "ogg" }, { "ogv", "ogg" }, + { "ogx", "ogg" }, /*RFC5334*/ + { "opus", "ogg" }, /*draft-terriberry-oggopus-01*/ + { "pva", "pva" }, + { "rm", "avformat" }, + { "m4v", "m4v" }, + { "h264", "h264" }, + { "voc", "voc" }, + { "mid", "smf" }, { "rmi", "smf" }, { "kar", "smf" }, + { "", "" }, + }; + /* Here, we don't mind if it does not work, it must be quick */ + static const struct { char ext[4]; char demux[5]; } exttodemux_quick[] = + { + { "mp3", "mpga" }, + { "ogg", "ogg" }, + { "wma", "asf" }, + { "", "" } + }; - const char *psz_ext = strrchr( p_demux->psz_path, '.' ) + 1; - int i; + if( s != NULL ) + { + const char *psz_ext; + const char *psz_module = p_demux->psz_demux; - if( !b_quick ) + if( !strcmp(psz_module, "any") && p_demux->psz_file != NULL + && (psz_ext = strrchr( p_demux->psz_file, '.' )) != NULL ) { - for( i = 0; exttodemux[i].ext[0]; i++ ) + psz_ext++; // skip '.' + + if( !b_quick ) { - if( !strcasecmp( psz_ext, exttodemux[i].ext ) ) + for( unsigned i = 0; exttodemux[i].ext[0]; i++ ) { - psz_module = exttodemux[i].demux; - break; + if( !strcasecmp( psz_ext, exttodemux[i].ext ) ) + { + psz_module = exttodemux[i].demux; + break; + } } } - } - else - { - for( i = 0; exttodemux_quick[i].ext[0]; i++ ) + else { - if( !strcasecmp( psz_ext, exttodemux_quick[i].ext ) ) + for( unsigned i = 0; exttodemux_quick[i].ext[0]; i++ ) { - psz_module = exttodemux_quick[i].demux; - break; + if( !strcasecmp( psz_ext, exttodemux_quick[i].ext ) ) + { + psz_module = exttodemux_quick[i].demux; + break; + } } } - } - } - - /* Before module_Need (for var_Create...) */ - vlc_object_attach( p_demux, p_obj ); - if( s ) - { /* ID3/APE tags will mess-up demuxer probing so we skip it here. * ID3/APE parsers will called later on in the demuxer to access the * skipped info. */ - if( !SkipID3Tag( p_demux ) ) - SkipAPETag( p_demux ); + while (SkipID3Tag( p_demux )) + ; + SkipAPETag( p_demux ); p_demux->p_module = - module_Need( p_demux, "demux", psz_module, - !strcmp( psz_module, p_demux->psz_demux ) ? - true : false ); + module_need( p_demux, "demux", psz_module, + !strcmp( psz_module, p_demux->psz_demux ) ); } else { p_demux->p_module = - module_Need( p_demux, "access_demux", psz_module, - !strcmp( psz_module, p_demux->psz_access ) ? - true : false ); + module_need( p_demux, "access_demux", p_demux->psz_access, true ); } if( p_demux->p_module == NULL ) - { - vlc_object_detach( p_demux ); - free( p_demux->psz_path ); - free( p_demux->psz_demux ); - free( p_demux->psz_access ); - vlc_object_release( p_demux ); - return NULL; - } + goto error; return p_demux; +error: + free( p_demux->psz_file ); + free( p_demux->psz_location ); + free( p_demux->psz_demux ); + free( p_demux->psz_access ); + vlc_object_release( p_demux ); + return NULL; } /***************************************************************************** @@ -186,22 +207,35 @@ demux_t *__demux_New( vlc_object_t *p_obj, *****************************************************************************/ void demux_Delete( demux_t *p_demux ) { - module_Unneed( p_demux, p_demux->p_module ); - vlc_object_detach( p_demux ); + stream_t *s; - free( p_demux->psz_path ); + module_unneed( p_demux, p_demux->p_module ); + free( p_demux->psz_file ); + free( p_demux->psz_location ); free( p_demux->psz_demux ); free( p_demux->psz_access ); + s = p_demux->s; vlc_object_release( p_demux ); + if( s != NULL ) + stream_Delete( s ); } +/***************************************************************************** + * demux_GetParentInput: + *****************************************************************************/ +input_thread_t * demux_GetParentInput( demux_t *p_demux ) +{ + return p_demux->p_input ? vlc_object_hold((vlc_object_t*)p_demux->p_input) : NULL; +} + + /***************************************************************************** * demux_vaControlHelper: *****************************************************************************/ int demux_vaControlHelper( stream_t *s, int64_t i_start, int64_t i_end, - int i_bitrate, int i_align, + int64_t i_bitrate, int i_align, int i_query, va_list args ) { int64_t i_tell; @@ -219,16 +253,16 @@ int demux_vaControlHelper( stream_t *s, pi64 = (int64_t*)va_arg( args, int64_t * ); if( i_bitrate > 0 && i_end > i_start ) { - *pi64 = I64C(8000000) * (i_end - i_start) / i_bitrate; + *pi64 = INT64_C(8000000) * (i_end - i_start) / i_bitrate; return VLC_SUCCESS; } return VLC_EGENERIC; case DEMUX_GET_TIME: pi64 = (int64_t*)va_arg( args, int64_t * ); - if( i_bitrate > 0 && i_end > i_start ) + if( i_bitrate > 0 && i_tell >= i_start ) { - *pi64 = I64C(8000000) * (i_tell - i_start) / i_bitrate; + *pi64 = INT64_C(8000000) * (i_tell - i_start) / i_bitrate; return VLC_SUCCESS; } return VLC_EGENERIC; @@ -262,7 +296,7 @@ int demux_vaControlHelper( stream_t *s, i64 = (int64_t)va_arg( args, int64_t ); if( i_bitrate > 0 && i64 >= 0 ) { - int64_t i_block = i64 * i_bitrate / I64C(8000000) / i_align; + int64_t i_block = i64 * i_bitrate / INT64_C(8000000) / i_align; if( stream_Seek( s, i_start + i_block * i_align ) ) { return VLC_EGENERIC; @@ -271,13 +305,23 @@ int demux_vaControlHelper( stream_t *s, } return VLC_EGENERIC; - case DEMUX_GET_FPS: case DEMUX_GET_META: + return stream_vaControl( s, STREAM_GET_META, args ); + + case DEMUX_IS_PLAYLIST: + return stream_vaControl(s, STREAM_IS_DIRECTORY, args ); + + case DEMUX_GET_PTS_DELAY: + case DEMUX_GET_FPS: case DEMUX_HAS_UNSUPPORTED_META: case DEMUX_SET_NEXT_DEMUX_TIME: case DEMUX_GET_TITLE_INFO: case DEMUX_SET_GROUP: + case DEMUX_SET_ES: case DEMUX_GET_ATTACHMENTS: + case DEMUX_CAN_RECORD: + case DEMUX_SET_RECORD_STATE: + case DEMUX_GET_SIGNAL: return VLC_EGENERIC; default: @@ -287,270 +331,50 @@ int demux_vaControlHelper( stream_t *s, } /**************************************************************************** - * stream_Demux*: create a demuxer for an outpout stream (allow demuxer chain) + * Utility functions ****************************************************************************/ -typedef struct +decoder_t *demux_PacketizerNew( demux_t *p_demux, es_format_t *p_fmt, const char *psz_msg ) { - /* Data buffer */ - block_fifo_t *p_fifo; - block_t *p_block; - - int64_t i_pos; - - /* Demuxer */ - char *psz_name; - es_out_t *out; - demux_t *p_demux; - -} d_stream_sys_t; - -static int DStreamRead ( stream_t *, void *p_read, int i_read ); -static int DStreamPeek ( stream_t *, const uint8_t **pp_peek, int i_peek ); -static int DStreamControl( stream_t *, int i_query, va_list ); -static int DStreamThread ( stream_t * ); - - -stream_t *__stream_DemuxNew( vlc_object_t *p_obj, const char *psz_demux, - es_out_t *out ) -{ - /* We create a stream reader, and launch a thread */ - stream_t *s; - d_stream_sys_t *p_sys; - - if( psz_demux == NULL || *psz_demux == '\0' ) return NULL; - - s = vlc_stream_create( p_obj ); - s->pf_read = DStreamRead; - s->pf_peek = DStreamPeek; - s->pf_control= DStreamControl; - - s->i_char_width = 1; - s->b_little_endian = false; - - s->p_sys = malloc( sizeof( d_stream_sys_t) ); - p_sys = (d_stream_sys_t*)s->p_sys; - - p_sys->i_pos = 0; - p_sys->out = out; - p_sys->p_demux = NULL; - p_sys->p_block = NULL; - p_sys->psz_name = strdup( psz_demux ); - - /* decoder fifo */ - if( ( p_sys->p_fifo = block_FifoNew( s ) ) == NULL ) - { - msg_Err( s, "out of memory" ); - vlc_object_release( s ); - free( p_sys ); - return NULL; - } - - if( vlc_thread_create( s, "stream out", DStreamThread, - VLC_THREAD_PRIORITY_INPUT, false ) ) + decoder_t *p_packetizer; + p_packetizer = vlc_custom_create( p_demux, sizeof( *p_packetizer ), + "demux packetizer" ); + if( !p_packetizer ) { - vlc_object_release( s ); - free( p_sys ); + es_format_Clean( p_fmt ); return NULL; } + p_fmt->b_packetized = false; - return s; -} - -void stream_DemuxSend( stream_t *s, block_t *p_block ) -{ - d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys; - if( p_block ) block_FifoPut( p_sys->p_fifo, p_block ); -} - -void stream_DemuxDelete( stream_t *s ) -{ - d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys; - block_t *p_empty; - - vlc_object_kill( s ); - if( p_sys->p_demux ) - vlc_object_kill( p_sys->p_demux ); - p_empty = block_New( s, 1 ); p_empty->i_buffer = 0; - block_FifoPut( p_sys->p_fifo, p_empty ); - vlc_thread_join( s ); - - if( p_sys->p_demux ) demux_Delete( p_sys->p_demux ); - if( p_sys->p_block ) block_Release( p_sys->p_block ); - - block_FifoRelease( p_sys->p_fifo ); - free( p_sys->psz_name ); - free( p_sys ); - - vlc_object_release( s ); -} - - -static int DStreamRead( stream_t *s, void *p_read, int i_read ) -{ - d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys; - uint8_t *p_out = p_read; - int i_out = 0; - - //msg_Dbg( s, "DStreamRead: wanted %d bytes", i_read ); - - while( !s->b_die && !s->b_error && i_read ) - { - block_t *p_block = p_sys->p_block; - int i_copy; - - if( !p_block ) - { - p_block = block_FifoGet( p_sys->p_fifo ); - if( !p_block ) s->b_error = 1; - p_sys->p_block = p_block; - } - - if( p_block && i_read ) - { - i_copy = __MIN( i_read, p_block->i_buffer ); - if( p_out && i_copy ) memcpy( p_out, p_block->p_buffer, i_copy ); - i_read -= i_copy; - i_out += i_copy; - p_block->i_buffer -= i_copy; - p_block->p_buffer += i_copy; - - if( !p_block->i_buffer ) - { - block_Release( p_block ); - p_sys->p_block = NULL; - } - } - } - - p_sys->i_pos += i_out; - return i_out; -} - -static int DStreamPeek( stream_t *s, const uint8_t **pp_peek, int i_peek ) -{ - d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys; - block_t **pp_block = &p_sys->p_block; - int i_out = 0; - *pp_peek = 0; + p_packetizer->pf_decode_audio = NULL; + p_packetizer->pf_decode_video = NULL; + p_packetizer->pf_decode_sub = NULL; + p_packetizer->pf_packetize = NULL; - //msg_Dbg( s, "DStreamPeek: wanted %d bytes", i_peek ); + p_packetizer->fmt_in = *p_fmt; + es_format_Init( &p_packetizer->fmt_out, UNKNOWN_ES, 0 ); - while( !s->b_die && !s->b_error && i_peek ) + p_packetizer->p_module = module_need( p_packetizer, "packetizer", NULL, false ); + if( !p_packetizer->p_module ) { - int i_copy; - - if( !*pp_block ) - { - *pp_block = block_FifoGet( p_sys->p_fifo ); - if( !*pp_block ) s->b_error = 1; - } - - if( *pp_block && i_peek ) - { - i_copy = __MIN( i_peek, (*pp_block)->i_buffer ); - i_peek -= i_copy; - i_out += i_copy; - - if( i_peek ) pp_block = &(*pp_block)->p_next; - } - } - - if( p_sys->p_block ) - { - p_sys->p_block = block_ChainGather( p_sys->p_block ); - *pp_peek = p_sys->p_block->p_buffer; + es_format_Clean( p_fmt ); + vlc_object_release( p_packetizer ); + msg_Err( p_demux, "cannot find packetizer for %s", psz_msg ); + return NULL; } - return i_out; + return p_packetizer; } -static int DStreamControl( stream_t *s, int i_query, va_list args ) +void demux_PacketizerDestroy( decoder_t *p_packetizer ) { - d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys; - int64_t *p_i64; - bool *p_b; - int *p_int; - - switch( i_query ) - { - case STREAM_GET_SIZE: - p_i64 = (int64_t*) va_arg( args, int64_t * ); - *p_i64 = 0; - return VLC_SUCCESS; - - case STREAM_CAN_SEEK: - p_b = (bool*) va_arg( args, bool * ); - *p_b = false; - return VLC_SUCCESS; - - case STREAM_CAN_FASTSEEK: - p_b = (bool*) va_arg( args, bool * ); - *p_b = false; - return VLC_SUCCESS; - - case STREAM_GET_POSITION: - p_i64 = (int64_t*) va_arg( args, int64_t * ); - *p_i64 = p_sys->i_pos; - return VLC_SUCCESS; - - case STREAM_SET_POSITION: - { - int64_t i64 = (int64_t)va_arg( args, int64_t ); - int i_skip; - if( i64 < p_sys->i_pos ) return VLC_EGENERIC; - i_skip = i64 - p_sys->i_pos; - - while( i_skip > 0 ) - { - int i_read = DStreamRead( s, NULL, i_skip ); - if( i_read <= 0 ) return VLC_EGENERIC; - i_skip -= i_read; - } - return VLC_SUCCESS; - } - - case STREAM_GET_MTU: - p_int = (int*) va_arg( args, int * ); - *p_int = 0; - return VLC_SUCCESS; - - case STREAM_CONTROL_ACCESS: - case STREAM_GET_CONTENT_TYPE: - return VLC_EGENERIC; - - default: - msg_Err( s, "invalid DStreamControl query=0x%x", i_query ); - return VLC_EGENERIC; - } + if( p_packetizer->p_module ) + module_unneed( p_packetizer, p_packetizer->p_module ); + es_format_Clean( &p_packetizer->fmt_in ); + if( p_packetizer->p_description ) + vlc_meta_Delete( p_packetizer->p_description ); + vlc_object_release( p_packetizer ); } -static int DStreamThread( stream_t *s ) -{ - d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys; - demux_t *p_demux; - - /* Create the demuxer */ - if( !(p_demux = demux_New( s, "", p_sys->psz_name, "", s, p_sys->out, - false )) ) - { - return VLC_EGENERIC; - } - - p_sys->p_demux = p_demux; - - /* Main loop */ - while( !s->b_die && !p_demux->b_die ) - { - if( p_demux->pf_demux( p_demux ) <= 0 ) break; - } - - vlc_object_kill( p_demux ); - return VLC_SUCCESS; -} - -/**************************************************************************** - * Utility functions - ****************************************************************************/ static bool SkipID3Tag( demux_t *p_demux ) { const uint8_t *p_peek; @@ -577,7 +401,8 @@ static bool SkipID3Tag( demux_t *p_demux ) i_size += 10; /* Skip the entire tag */ - stream_Read( p_demux->s, NULL, i_size ); + if( stream_Read( p_demux->s, NULL, i_size ) < i_size ) + return false; msg_Dbg( p_demux, "ID3v2.%d revision %d tag found, skipping %d bytes", version, revision, i_size ); @@ -608,7 +433,8 @@ static bool SkipAPETag( demux_t *p_demux ) i_size = GetDWLE( &p_peek[8+4] ) + ( (flags&(1<<30)) ? 32 : 0 ); /* Skip the entire tag */ - stream_Read( p_demux->s, NULL, i_size ); + if( stream_Read( p_demux->s, NULL, i_size ) < i_size ) + return false; msg_Dbg( p_demux, "AP2 v%d tag found, skipping %d bytes", i_version/1000, i_size );