diff options
Diffstat (limited to 'src/demuxers/demux_ts.c')
-rw-r--r-- | src/demuxers/demux_ts.c | 111 |
1 files changed, 19 insertions, 92 deletions
diff --git a/src/demuxers/demux_ts.c b/src/demuxers/demux_ts.c index 80ad0acb1..2192c67e3 100644 --- a/src/demuxers/demux_ts.c +++ b/src/demuxers/demux_ts.c @@ -147,9 +147,9 @@ #define LOG */ -#include "xine_internal.h" -#include "xineutils.h" -#include "demux.h" +#include <xine/xine_internal.h> +#include <xine/xineutils.h> +#include <xine/demux.h> /* #define TS_LOG @@ -295,7 +295,6 @@ typedef struct { uint32_t pmt_pid[MAX_PMTS]; uint8_t *pmt[MAX_PMTS]; uint8_t *pmt_write_ptr[MAX_PMTS]; - uint32_t crc32_table[256]; uint32_t last_pmt_crc; /* * Stuff to do with the transport header. As well as the video @@ -355,28 +354,6 @@ typedef struct { } demux_ts_class_t; -static void demux_ts_build_crc32_table(demux_ts_t*this) { - uint32_t i, j, k; - - for( i = 0 ; i < 256 ; i++ ) { - k = 0; - for (j = (i << 24) | 0x800000 ; j != 0x80000000 ; j <<= 1) { - k = (k << 1) ^ (((k ^ j) & 0x80000000) ? 0x04c11db7 : 0); - } - this->crc32_table[i] = k; - } -} - -static uint32_t demux_ts_compute_crc32(demux_ts_t*this, uint8_t *data, - int32_t length, uint32_t crc32) { - int32_t i; - - for(i = 0; i < length; i++) { - crc32 = (crc32 << 8) ^ this->crc32_table[(crc32 >> 24) ^ data[i]]; - } - return crc32; -} - /* redefine abs as macro to handle 64-bit diffs. i guess llabs may not be available everywhere */ #define abs(x) ( ((x)<0) ? -(x) : (x) ) @@ -595,8 +572,7 @@ static void demux_ts_parse_pat (demux_ts_t*this, unsigned char *original_pkt, } /* Check CRC. */ - calc_crc32 = demux_ts_compute_crc32 (this, pkt+5, section_length+3-4, - 0xffffffff); + calc_crc32 = _x_compute_crc32 (pkt+5, section_length+3-4, 0xffffffff); if (crc32 != calc_crc32) { xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "demux_ts: demux error! PAT with invalid CRC32: packet_crc32: %.8x calc_crc32: %.8x\n", @@ -1096,7 +1072,7 @@ static void demux_ts_parse_pmt (demux_ts_t *this, unsigned char *stream; unsigned int i; int count; - char *ptr = NULL; + uint8_t *ptr = NULL; unsigned char len; unsigned int offset=0; @@ -1212,9 +1188,8 @@ printf("Program Number is %i, looking for %i\n",program_number,this->program_num crc32 |= (uint32_t) this->pmt[program_count][section_length+3-1] ; /* Check CRC. */ - calc_crc32 = demux_ts_compute_crc32 (this, - this->pmt[program_count], - section_length+3-4, 0xffffffff); + calc_crc32 = _x_compute_crc32 (this->pmt[program_count], + section_length+3-4, 0xffffffff); if (crc32 != calc_crc32) { xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "demux_ts: demux error! PMT with invalid CRC32: packet_crc32: %#.8x calc_crc32: %#.8x\n", @@ -2035,8 +2010,6 @@ static void demux_ts_send_headers (demux_plugin_t *this_gen) { this->send_newpts = 1; - demux_ts_build_crc32_table (this); - this->status = DEMUX_OK ; this->send_end_buffers = 1; @@ -2198,34 +2171,7 @@ static demux_plugin_t *open_plugin (demux_class_t *class_gen, } break; - case METHOD_BY_EXTENSION: { - const char *const mrl = input->get_mrl (input); - - /* check extension */ - const char *const extensions = class_gen->get_extensions (class_gen); - - if (_x_demux_check_extension (mrl, extensions)) - break; - - /* accept dvb streams */ - /* - * Also handle the special dvbs,dvbt and dvbc mrl formats: - * the content is exactly the same but the input plugin - * uses a different tuning algorithm [Pragma] - */ - - if (!strncasecmp (mrl, "dvb://", 6)) - break; - if (!strncasecmp (mrl, "dvbs://", 7)) - break; - if (!strncasecmp (mrl, "dvbc://", 7)) - break; - if (!strncasecmp (mrl, "dvbt://", 7)) - break; - - return NULL; - } - + case METHOD_BY_MRL: case METHOD_EXPLICIT: break; @@ -2294,30 +2240,6 @@ static demux_plugin_t *open_plugin (demux_class_t *class_gen, /* * ts demuxer class */ - -static const char *get_description (demux_class_t *this_gen) { - return "MPEG Transport Stream demuxer"; -} - -static const char *get_identifier (demux_class_t *this_gen) { - return "MPEG_TS"; -} - -static const char *get_extensions (demux_class_t *this_gen) { - return "ts m2t trp"; -} - -static const char *get_mimetypes (demux_class_t *this_gen) { - return NULL; -} - -static void class_dispose (demux_class_t *this_gen) { - - demux_ts_class_t *this = (demux_ts_class_t *) this_gen; - - free (this); -} - static void *init_class (xine_t *xine, void *data) { demux_ts_class_t *this; @@ -2327,11 +2249,16 @@ static void *init_class (xine_t *xine, void *data) { this->xine = xine; this->demux_class.open_plugin = open_plugin; - this->demux_class.get_description = get_description; - this->demux_class.get_identifier = get_identifier; - this->demux_class.get_mimetypes = get_mimetypes; - this->demux_class.get_extensions = get_extensions; - this->demux_class.dispose = class_dispose; + this->demux_class.description = N_("MPEG Transport Stream demuxer"); + this->demux_class.identifier = "MPEG_TS"; + this->demux_class.mimetypes = NULL; + + /* accept dvb streams; also handle the special dvbs,dvbt and dvbc + * mrl formats: the content is exactly the same but the input plugin + * uses a different tuning algorithm [Pragma] + */ + this->demux_class.extensions = "ts m2t trp dvb:// dvbs:// dvbc:// dvbt://"; + this->demux_class.dispose = default_demux_class_dispose; return this; } @@ -2346,7 +2273,7 @@ static const demuxer_info_t demux_info_ts = { const plugin_info_t xine_plugin_info[] EXPORTED = { /* type, API, "name", version, special_info, init_function */ - { PLUGIN_DEMUX, 26, "mpeg-ts", XINE_VERSION_CODE, &demux_info_ts, init_class }, + { PLUGIN_DEMUX, 27, "mpeg-ts", XINE_VERSION_CODE, &demux_info_ts, init_class }, { PLUGIN_NONE, 0, "", 0, NULL, NULL } }; |