From 2b8b5b7053030fd77ee53cc2069a8f44838564d4 Mon Sep 17 00:00:00 2001 From: reimar Date: Fri, 21 Aug 2009 16:54:57 +0000 Subject: Add suport for detecting and demuxing DVB teletext streams (nothing beyond that though). git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29544 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpdemux/demux_ts.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) (limited to 'libmpdemux/demux_ts.c') diff --git a/libmpdemux/demux_ts.c b/libmpdemux/demux_ts.c index 938793bdc4..109275a7fa 100644 --- a/libmpdemux/demux_ts.c +++ b/libmpdemux/demux_ts.c @@ -80,6 +80,7 @@ typedef enum AUDIO_TRUEHD = mmioFOURCC('T', 'R', 'H', 'D'), SPU_DVD = 0x3000000, SPU_DVB = 0x3000001, + SPU_TELETEXT = 0x3000002, PES_PRIVATE1 = 0xBD00000, SL_PES_STREAM = 0xD000000, SL_SECTION = 0xD100000, @@ -247,6 +248,7 @@ typedef struct { #define IS_AUDIO(x) (((x) == AUDIO_MP2) || ((x) == AUDIO_A52) || ((x) == AUDIO_LPCM_BE) || ((x) == AUDIO_AAC) || ((x) == AUDIO_DTS) || ((x) == AUDIO_TRUEHD)) #define IS_VIDEO(x) (((x) == VIDEO_MPEG1) || ((x) == VIDEO_MPEG2) || ((x) == VIDEO_MPEG4) || ((x) == VIDEO_H264) || ((x) == VIDEO_AVC) || ((x) == VIDEO_VC1)) +#define IS_SUB(x) (((x) == SPU_DVD) || ((x) == SPU_DVB) || ((x) == SPU_TELETEXT)) static int ts_parse(demuxer_t *demuxer, ES_stream_t *es, unsigned char *packet, int probe); @@ -695,7 +697,7 @@ static off_t ts_detect_streams(demuxer_t *demuxer, tsdemux_init_t *param) is_audio = IS_AUDIO(es.type) || ((es.type==SL_PES_STREAM) && IS_AUDIO(es.subtype)); is_video = IS_VIDEO(es.type) || ((es.type==SL_PES_STREAM) && IS_VIDEO(es.subtype)); - is_sub = ((es.type == SPU_DVD) || (es.type == SPU_DVB)); + is_sub = IS_SUB(es.type); if((! is_audio) && (! is_video) && (! is_sub)) @@ -882,8 +884,8 @@ static off_t ts_detect_streams(demuxer_t *demuxer, tsdemux_init_t *param) mp_msg(MSGT_DEMUXER, MSGL_INFO, "NO AUDIO! "); } - if(param->stype == SPU_DVD || param->stype == SPU_DVB) - mp_msg(MSGT_DEMUXER, MSGL_INFO, " SUB %s(pid=%d) ", (param->stype==SPU_DVD ? "DVD" : "DVB"), param->spid); + if(IS_SUB(param->stype)) + mp_msg(MSGT_DEMUXER, MSGL_INFO, " SUB %s(pid=%d) ", (param->stype==SPU_DVD ? "DVD" : param->stype==SPU_DVB ? "DVB" : "Teletext"), param->spid); else { param->stype = UNKNOWN; @@ -2250,6 +2252,14 @@ static int parse_descriptors(struct pmt_es_t *es, uint8_t *ptr) mp_msg(MSGT_DEMUX, MSGL_DBG2, "DVB DTS Descriptor\n"); } } + else if(ptr[j] == 0x56) // Teletext + { + if(descr_len >= 5) { + memcpy(es->lang, ptr+2, 3); + es->lang[3] = 0; + } + es->type = SPU_TELETEXT; + } else if(ptr[j] == 0x59) //Subtitling Descriptor { uint8_t subtype; @@ -2880,7 +2890,7 @@ static int ts_parse(demuxer_t *demuxer , ES_stream_t *es, unsigned char *packet, is_video = IS_VIDEO(tss->type) || (tss->type==SL_PES_STREAM && IS_VIDEO(tss->subtype)); is_audio = IS_AUDIO(tss->type) || (tss->type==SL_PES_STREAM && IS_AUDIO(tss->subtype)) || (tss->type == PES_PRIVATE1); - is_sub = ((tss->type == SPU_DVD) || (tss->type == SPU_DVB)); + is_sub = IS_SUB(tss->type); pid_type = pid_type_from_pmt(priv, pid); // PES CONTENT STARTS HERE @@ -2913,7 +2923,7 @@ static int ts_parse(demuxer_t *demuxer , ES_stream_t *es, unsigned char *packet, si = &priv->astr; } else if(is_sub - || (pid_type == SPU_DVD) || (pid_type == SPU_DVB)) + || IS_SUB(pid_type)) { //SUBS are infrequent, so the initial detection may fail // and we may need to add them at play-time @@ -3062,7 +3072,7 @@ static int ts_parse(demuxer_t *demuxer , ES_stream_t *es, unsigned char *packet, tss->is_synced |= es->is_synced || rap_flag; tss->payload_size = es->payload_size; - if(is_audio && (lang = pid_lang_from_pmt(priv, es->pid))) + if((is_sub || is_audio) && (lang = pid_lang_from_pmt(priv, es->pid))) { memcpy(es->lang, lang, 3); es->lang[3] = 0; -- cgit v1.2.3