X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=plugins%2Fmpeg%2Finput_ts.c;h=8e9bd63c417ea559d510a2a016001c74e52cfaf8;hb=945f294626b776bbabadc5627c05456a6ff0ae2b;hp=26aa41c690635510d1960a998cacc2fb1a1ff2f9;hpb=0935df9e58f1671cf54a6774e3ff54bcf58940ab;p=vlc diff --git a/plugins/mpeg/input_ts.c b/plugins/mpeg/input_ts.c index 26aa41c690..8e9bd63c41 100644 --- a/plugins/mpeg/input_ts.c +++ b/plugins/mpeg/input_ts.c @@ -2,15 +2,15 @@ * input_ts.c: TS demux and netlist management ***************************************************************************** * Copyright (C) 1998, 1999, 2000 VideoLAN - * $Id: input_ts.c,v 1.1 2001/02/08 04:43:27 sam Exp $ + * $Id: input_ts.c,v 1.25 2001/06/02 01:09:03 sam Exp $ * - * Authors: + * Authors: Henri Fallon * * 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 * (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 @@ -21,6 +21,9 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. *****************************************************************************/ +#define MODULE_NAME ts +#include "modules_inner.h" + /***************************************************************************** * Preamble *****************************************************************************/ @@ -30,6 +33,35 @@ #include #include +#ifdef STRNCASECMP_IN_STRINGS_H +# include +#endif + +#include + +#if !defined( _MSC_VER ) +# include +#endif + +#ifdef SYS_NTO +# include +#endif + +#include + +#ifdef HAVE_UNISTD_H +# include +#endif + +#include + +#if defined( WIN32 ) +# include +# include "input_iovec.h" +#else +# include /* struct iovec */ +#endif + #include "config.h" #include "common.h" #include "threads.h" @@ -44,6 +76,7 @@ #include "input_ext-dec.h" #include "input.h" +#include "input_ts.h" #include "mpeg_system.h" #include "input_netlist.h" @@ -52,23 +85,25 @@ * Local prototypes *****************************************************************************/ static int TSProbe ( probedata_t * ); -static int TSRead ( struct input_thread_s *, - data_packet_t * p_packets[INPUT_READ_ONCE] ); static void TSInit ( struct input_thread_s * ); +static void TSFakeOpen ( struct input_thread_s * ); static void TSEnd ( struct input_thread_s * ); +static int TSRead ( struct input_thread_s *, + data_packet_t * p_packets[INPUT_READ_ONCE] ); /***************************************************************************** * Functions exported as capabilities. They are declared as static so that * we don't pollute the namespace too much. *****************************************************************************/ -void input_getfunctions( function_list_t * p_function_list ) +void _M( input_getfunctions )( function_list_t * p_function_list ) { #define input p_function_list->functions.input p_function_list->pf_probe = TSProbe; input.pf_init = TSInit; - input.pf_open = input_FileOpen; - input.pf_close = input_FileClose; + input.pf_open = TSFakeOpen; + input.pf_close = NULL; /* Will be set by pf_open */ input.pf_end = TSEnd; + input.pf_set_area = NULL; input.pf_read = TSRead; input.pf_demux = input_DemuxTS; input.pf_new_packet = input_NetlistNewPacket; @@ -85,13 +120,44 @@ void input_getfunctions( function_list_t * p_function_list ) *****************************************************************************/ static int TSProbe( probedata_t * p_data ) { + input_thread_t * p_input = (input_thread_t *)p_data; + + char * psz_name = p_input->p_source; + int i_handle; + int i_score = 1; + if( TestMethod( INPUT_METHOD_VAR, "ts" ) ) { return( 999 ); } - /* verify that the first byte is 0x47 */ - return 1; + if( ( strlen(psz_name) > 3 ) && !strncasecmp( psz_name, "ts:", 3 ) ) + { + /* If the user specified "ts:" then it's probably a network stream */ + return( 999 ); + } + + if( ( strlen(psz_name) > 5 ) && !strncasecmp( psz_name, "file:", 5 ) ) + { + /* If the user specified "file:" then it's probably a file */ + psz_name += 5; + } + + if( ( strlen(psz_name) > 3 ) && + !strncasecmp( psz_name+strlen(psz_name)-3, ".ts", 3) ) + { + /* If it is a ".ts" file it's probably a TS file ... */ + return( 900 ); + } + + i_handle = open( psz_name, 0 ); + if( i_handle == -1 ) + { + return( 0 ); + } + close( i_handle ); + + return( i_score ); } /***************************************************************************** @@ -100,6 +166,79 @@ static int TSProbe( probedata_t * p_data ) static void TSInit( input_thread_t * p_input ) { /* Initialize netlist and TS structures */ + thread_ts_data_t * p_method; + es_descriptor_t * p_pat_es; + es_ts_data_t * p_demux_data; + stream_ts_data_t * p_stream_data; + + /* Initialise structure */ + p_method = malloc( sizeof( thread_ts_data_t ) ); + if( p_method == NULL ) + { + intf_ErrMsg( "TS input : Out of memory" ); + p_input->b_error = 1; + return; + } + + p_input->p_plugin_data = (void *)p_method; + p_input->p_method_data = NULL; + + + /* Initialize netlist */ + if( input_NetlistInit( p_input, NB_DATA, NB_PES, TS_PACKET_SIZE, + INPUT_READ_ONCE ) ) + { + intf_ErrMsg( "TS input : Could not initialize netlist" ); + return; + } + + /* Initialize the stream */ + input_InitStream( p_input, sizeof( stream_ts_data_t ) ); + + /* input method type */ + /* FIXME: should test if you have network or file here */ + p_input->stream.i_method = INPUT_METHOD_NETWORK; + p_input->stream.p_selected_area->i_tell = 0; + + /* Init */ + p_stream_data = (stream_ts_data_t *)p_input->stream.p_demux_data; + p_stream_data->i_pat_version = PAT_UNINITIALIZED ; + + /* We'll have to catch the PAT in order to continue + * Then the input will catch the PMT and then the others ES + * The PAT es is indepedent of any program. */ + p_pat_es = input_AddES( p_input, NULL, + 0x00, sizeof( es_ts_data_t ) ); + p_demux_data=(es_ts_data_t *)p_pat_es->p_demux_data; + p_demux_data->b_psi = 1; + p_demux_data->i_psi_type = PSI_IS_PAT; + p_demux_data->p_psi_section = malloc(sizeof(psi_section_t)); + p_demux_data->p_psi_section->b_is_complete = 1; + +} + +/***************************************************************************** + * TSFakeOpen: open the stream and set pf_close + *****************************************************************************/ +void TSFakeOpen( input_thread_t * p_input ) +{ +#if !defined( SYS_BEOS ) && !defined( SYS_NTO ) + char *psz_name = p_input->p_source; + + if( ( strlen(psz_name) > 3 ) && !strncasecmp( psz_name, "ts:", 3 ) ) + { + /* If the user specified "ts:" he wants a network stream */ + p_input->pf_open = p_input->pf_network_open; + p_input->pf_close = p_input->pf_network_close; + } + else +#endif + { + p_input->pf_open = p_input->pf_file_open; + p_input->pf_close = p_input->pf_file_close; + } + + p_input->pf_open( p_input ); } /***************************************************************************** @@ -107,7 +246,13 @@ static void TSInit( input_thread_t * p_input ) *****************************************************************************/ static void TSEnd( input_thread_t * p_input ) { + es_descriptor_t * p_pat_es; + + p_pat_es = input_FindES( p_input, 0x00 ); + if( p_pat_es != NULL ) + input_DelES( p_input, p_pat_es ); + free(p_input->p_plugin_data); } /***************************************************************************** @@ -119,6 +264,69 @@ static void TSEnd( input_thread_t * p_input ) static int TSRead( input_thread_t * p_input, data_packet_t * pp_packets[INPUT_READ_ONCE] ) { - return -1; + thread_ts_data_t * p_method; + unsigned int i_read, i_loop; + int i_data; + struct iovec * p_iovec; + struct timeval s_wait; + + + /* Get iovecs */ + p_iovec = input_NetlistGetiovec( p_input->p_method_data ); + + if ( p_iovec == NULL ) + { + return( -1 ); /* empty netlist */ + } + + /* Init */ + p_method = ( thread_ts_data_t * )p_input->p_plugin_data; + + /* Initialize file descriptor set */ + FD_ZERO( &(p_method->fds) ); + FD_SET( p_input->i_handle, &(p_method->fds) ); + + /* We'll wait 0.5 second if nothing happens */ + s_wait.tv_sec = 0; + s_wait.tv_usec = 500000; + + /* Reset pointer table */ + memset( pp_packets, 0, INPUT_READ_ONCE * sizeof(data_packet_t *) ); + + /* Fill if some data is available */ + i_data = select( p_input->i_handle + 1, &(p_method->fds), NULL, NULL, + &s_wait); + + if( i_data == -1 ) + { + intf_ErrMsg( "input error: TS select error (%s)", strerror(errno) ); + return( -1 ); + } + + if( i_data ) + { + i_read = readv( p_input->i_handle, p_iovec, INPUT_READ_ONCE ); + + if( i_read == -1 ) + { + intf_ErrMsg( "input error: TS readv error" ); + return( -1 ); + } + + input_NetlistMviovec( p_input->p_method_data, + (int)(i_read/TS_PACKET_SIZE) , pp_packets ); + + /* check correct TS header */ + for( i_loop=0; i_loop * TS_PACKET_SIZE < i_read; i_loop++ ) + { + if( pp_packets[i_loop]->p_buffer[0] != 0x47 ) + intf_ErrMsg( "input error: bad TS packet (starts with " + "0x%.2x, should be 0x47)", + pp_packets[i_loop]->p_buffer[0] ); + } + + p_input->stream.p_selected_area->i_tell += i_read; + } + return 0; }