X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Finput%2Fdemux.c;h=458e162b99e85b16e8b5f0fbf787999d3ce2481f;hb=59117b28623d003c2bf3374bf551f126da4322dc;hp=feaa251a2304178fee28db13bff38d8d586893a6;hpb=1e2f42cbdcaff93a11682a0944d91a388a46733a;p=vlc diff --git a/src/input/demux.c b/src/input/demux.c index feaa251a23..458e162b99 100644 --- a/src/input/demux.c +++ b/src/input/demux.c @@ -28,17 +28,38 @@ #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; +} + + /***************************************************************************** * demux_New: * if s is NULL then load a access_demux *****************************************************************************/ -demux_t *__demux_New( vlc_object_t *p_obj, +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_path, + const char *psz_location, stream_t *s, es_out_t *out, bool b_quick ) { static const char typename[] = "demux"; @@ -48,10 +69,13 @@ demux_t *__demux_New( vlc_object_t *p_obj, if( p_demux == NULL ) return NULL; + p_demux->p_input = p_parent_input; + /* Parse URL */ p_demux->psz_access = strdup( psz_access ); p_demux->psz_demux = strdup( psz_demux ); - p_demux->psz_path = strdup( psz_path ); + p_demux->psz_location = strdup( psz_location ); + p_demux->psz_file = get_path( psz_location ); /* Take into account "demux" to be able to do :demux=dump */ if( p_demux->psz_demux && *p_demux->psz_demux == '\0' ) @@ -63,10 +87,10 @@ demux_t *__demux_New( vlc_object_t *p_obj, } 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; @@ -81,7 +105,11 @@ demux_t *__demux_New( vlc_object_t *p_obj, 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, '.' ) ) + const char *psz_ext; + + if( s && *psz_module == '\0' + && p_demux->psz_file != NULL + && (psz_ext = strrchr( p_demux->psz_file, '.' )) ) { /* 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 @@ -97,19 +125,21 @@ demux_t *__demux_New( vlc_object_t *p_obj, { "au", "au" }, { "flac", "flac" }, { "dv", "dv" }, - { "m3u", "playlist" }, + { "drc", "dirac" }, + { "m3u", "m3u" }, + { "m3u8", "m3u8" }, { "mkv", "mkv" }, { "mka", "mkv" }, { "mks", "mkv" }, { "mp4", "mp4" }, { "m4a", "mp4" }, { "mov", "mp4" }, { "moov", "mp4" }, - { "mod", "mod" }, { "xm", "mod" }, { "nsv", "nsv" }, - { "ogg", "ogg" }, { "ogm", "ogg" }, + { "ogg", "ogg" }, { "ogm", "ogg" }, /* legacy Ogg */ + { "oga", "ogg" }, { "spx", "ogg" }, { "ogv", "ogg" }, + { "ogx", "ogg" }, /*RFC5334*/ { "pva", "pva" }, { "rm", "rm" }, { "m4v", "m4v" }, { "h264", "h264" }, { "voc", "voc" }, - { "mid", "smf" }, - { "rmi", "smf" }, + { "mid", "smf" }, { "rmi", "smf" }, { "", "" }, }; /* Here, we don't mind if it does not work, it must be quick */ @@ -121,12 +151,11 @@ demux_t *__demux_New( vlc_object_t *p_obj, { "", "" } }; - const char *psz_ext = strrchr( p_demux->psz_path, '.' ) + 1; - int i; + psz_ext++; // skip '.' if( !b_quick ) { - for( i = 0; exttodemux[i].ext[0]; i++ ) + for( unsigned i = 0; exttodemux[i].ext[0]; i++ ) { if( !strcasecmp( psz_ext, exttodemux[i].ext ) ) { @@ -137,7 +166,7 @@ demux_t *__demux_New( vlc_object_t *p_obj, } else { - for( i = 0; exttodemux_quick[i].ext[0]; i++ ) + for( unsigned i = 0; exttodemux_quick[i].ext[0]; i++ ) { if( !strcasecmp( psz_ext, exttodemux_quick[i].ext ) ) { @@ -162,21 +191,19 @@ demux_t *__demux_New( vlc_object_t *p_obj, p_demux->p_module = module_need( p_demux, "demux", psz_module, - !strcmp( psz_module, p_demux->psz_demux ) ? - true : false ); + !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 ); + !strcmp( psz_module, p_demux->psz_access ) ); } if( p_demux->p_module == NULL ) { - vlc_object_detach( p_demux ); - free( p_demux->psz_path ); + 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 ); @@ -192,15 +219,24 @@ 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 ); - free( p_demux->psz_path ); + 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 ); } +/***************************************************************************** + * 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: *****************************************************************************/ @@ -231,7 +267,7 @@ int demux_vaControlHelper( stream_t *s, 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 = INT64_C(8000000) * (i_tell - i_start) / i_bitrate; return VLC_SUCCESS; @@ -293,290 +329,20 @@ int demux_vaControlHelper( stream_t *s, } } -/**************************************************************************** - * stream_Demux*: create a demuxer for an outpout stream (allow demuxer chain) - ****************************************************************************/ -typedef struct -{ - /* 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, unsigned int i_read ); -static int DStreamPeek ( stream_t *, const uint8_t **pp_peek, unsigned int i_peek ); -static int DStreamControl( stream_t *, int i_query, va_list ); -static void* DStreamThread ( vlc_object_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; - - s = stream_CommonNew( p_obj ); - if( s == NULL ) - return NULL; - 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) ); - if( s->p_sys == NULL ) - { - vlc_object_release( s ); - return NULL; - } - 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() ) == NULL ) - { - vlc_object_release( s ); - free( p_sys->psz_name ); - free( p_sys ); - return NULL; - } - - if( vlc_thread_create( s, "stream out", DStreamThread, - VLC_THREAD_PRIORITY_INPUT, false ) ) - { - vlc_object_release( s ); - free( p_sys->psz_name ); - free( p_sys ); - return NULL; - } - - 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, unsigned 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, unsigned 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; - - //msg_Dbg( s, "DStreamPeek: wanted %d bytes", i_peek ); - - while( !s->b_die && !s->b_error && i_peek ) - { - 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; - } - - return i_out; -} - -static int DStreamControl( stream_t *s, int i_query, va_list args ) -{ - 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, (long)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: - case STREAM_SET_RECORD_STATE: - return VLC_EGENERIC; - - default: - msg_Err( s, "invalid DStreamControl query=0x%x", i_query ); - return VLC_EGENERIC; - } -} - -static void* DStreamThread( vlc_object_t* p_this ) -{ - stream_t *s = (stream_t *)p_this; - d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys; - demux_t *p_demux; - int canc = vlc_savecancel(); - - /* Create the demuxer */ - if( !(p_demux = demux_New( s, "", p_sys->psz_name, "", s, p_sys->out, - false )) ) - { - return NULL; - } - - 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_restorecancel( canc ); - vlc_object_kill( p_demux ); - return NULL; -} - /**************************************************************************** * Utility functions ****************************************************************************/ decoder_t *demux_PacketizerNew( demux_t *p_demux, es_format_t *p_fmt, const char *psz_msg ) { - decoder_t *p_packetizer = vlc_object_create( p_demux, VLC_OBJECT_PACKETIZER ); - + decoder_t *p_packetizer; + p_packetizer = vlc_custom_create( p_demux, sizeof( *p_packetizer ), + VLC_OBJECT_GENERIC, "demux packetizer" ); if( !p_packetizer ) { es_format_Clean( p_fmt ); return NULL; } + p_fmt->b_packetized = false; p_packetizer->pf_decode_audio = NULL; p_packetizer->pf_decode_video = NULL; @@ -586,7 +352,8 @@ decoder_t *demux_PacketizerNew( demux_t *p_demux, es_format_t *p_fmt, const char p_packetizer->fmt_in = *p_fmt; es_format_Init( &p_packetizer->fmt_out, UNKNOWN_ES, 0 ); - p_packetizer->p_module = module_need( p_packetizer, "packetizer", NULL, 0 ); + vlc_object_attach( p_packetizer, p_demux ); + p_packetizer->p_module = module_need( p_packetizer, "packetizer", NULL, false ); if( !p_packetizer->p_module ) { es_format_Clean( p_fmt ); @@ -597,11 +364,14 @@ decoder_t *demux_PacketizerNew( demux_t *p_demux, es_format_t *p_fmt, const char return p_packetizer; } + void demux_PacketizerDestroy( decoder_t *p_packetizer ) { 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 ); }