diff options
Diffstat (limited to 'src/demuxers/demux_mpeg.c')
-rw-r--r-- | src/demuxers/demux_mpeg.c | 57 |
1 files changed, 42 insertions, 15 deletions
diff --git a/src/demuxers/demux_mpeg.c b/src/demuxers/demux_mpeg.c index 1096f310c..5eeb28f81 100644 --- a/src/demuxers/demux_mpeg.c +++ b/src/demuxers/demux_mpeg.c @@ -17,7 +17,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * - * $Id: demux_mpeg.c,v 1.31 2001/08/28 19:16:19 guenter Exp $ + * $Id: demux_mpeg.c,v 1.32 2001/09/01 14:33:00 guenter Exp $ * * demultiplexer for mpeg 1/2 program streams * reads streams of variable blocksizes @@ -62,6 +62,8 @@ typedef struct demux_mpeg_s { int status; int preview_mode; + int rate; + int send_end_buffers; } demux_mpeg_t ; @@ -168,7 +170,6 @@ static void parse_mpeg2_packet (demux_mpeg_t *this, int nID) { } buf->type = BUF_AUDIO_A52 + track; buf->PTS = pts; - buf->DTS = 0 ; /* FIXME */ if (this->preview_mode) buf->decoder_info[0] = 0; else @@ -218,7 +219,6 @@ static void parse_mpeg2_packet (demux_mpeg_t *this, int nID) { } buf->type = BUF_AUDIO_MPEG + track; buf->PTS = pts; - buf->DTS = 0; /* FIXME */ if (this->preview_mode) buf->decoder_info[0] = 0; else @@ -268,7 +268,6 @@ static void parse_mpeg2_packet (demux_mpeg_t *this, int nID) { } buf->type = BUF_VIDEO_MPEG; buf->PTS = pts; - buf->DTS = 0; if (this->preview_mode) buf->decoder_info[0] = 0; else @@ -390,12 +389,13 @@ static void parse_mpeg1_packet (demux_mpeg_t *this, int nID) } buf->type = BUF_AUDIO_MPEG + track ; buf->PTS = pts; - buf->DTS = 0; /* FIXME */ if (this->preview_mode) buf->decoder_info[0] = 0; else buf->decoder_info[0] = 1; buf->input_pos = this->input->get_current_pos(this->input); + if (this->rate) + buf->input_time = buf->input_pos / (this->rate * 50); if(this->audio_fifo) this->audio_fifo->put (this->audio_fifo, buf); @@ -404,8 +404,7 @@ static void parse_mpeg1_packet (demux_mpeg_t *this, int nID) xprintf (VERBOSE|DEMUX|VIDEO, ", video #%d", nID & 0x0f); - if(this->input->read_block) - buf = this->input->read_block (this->input, this->video_fifo, nLen); + buf = this->input->read_block (this->input, this->video_fifo, nLen); if (buf == NULL) { this->status = DEMUX_FINISHED; @@ -413,12 +412,13 @@ static void parse_mpeg1_packet (demux_mpeg_t *this, int nID) } buf->type = BUF_VIDEO_MPEG; buf->PTS = pts; - buf->DTS = 0; /* FIXME */ if (this->preview_mode) buf->decoder_info[0] = 0; else buf->decoder_info[0] = 1; buf->input_pos = this->input->get_current_pos(this->input); + if (this->rate) + buf->input_time = buf->input_pos / (this->rate * 50); this->video_fifo->put (this->video_fifo, buf); @@ -459,9 +459,19 @@ static uint32_t parse_pack(demux_mpeg_t *this) /* mux_rate */ - buf = read_bytes (this, 3) ; + if (!this->rate) { + buf = read_bytes (this,1); + this->rate = (buf & 0x7F) << 15; + buf = read_bytes (this,1); + this->rate |= (buf << 7); + buf = read_bytes (this,1); + this->rate |= (buf >> 1); + + /* printf ("demux_mpeg: mux_rate = %d\n",this->rate); */ + + } else + buf = read_bytes (this, 3) ; - /* printf (" mux_rate = %06x\n",buf); */ /* system header */ @@ -595,7 +605,7 @@ static int demux_mpeg_get_status (demux_plugin_t *this_gen) { static void demux_mpeg_start (demux_plugin_t *this_gen, fifo_buffer_t *video_fifo, fifo_buffer_t *audio_fifo, - off_t pos, + off_t start_pos, int start_time, gui_get_next_mrl_cb_t next_mrl_cb, gui_branched_cb_t branched_cb) { @@ -605,6 +615,8 @@ static void demux_mpeg_start (demux_plugin_t *this_gen, this->video_fifo = video_fifo; this->audio_fifo = audio_fifo; + this->rate = 0; /* fixme */ + buf = this->video_fifo->buffer_pool_alloc (this->video_fifo); buf->type = BUF_CONTROL_START; this->video_fifo->put (this->video_fifo, buf); @@ -636,8 +648,11 @@ static void demux_mpeg_start (demux_plugin_t *this_gen, } while ( (this->status == DEMUX_OK) && (num_buffers>0)) ; - xprintf (VERBOSE|DEMUX, "=>seek to %Ld\n",pos); - this->input->seek (this->input, pos+4, SEEK_SET); + if ( (!start_pos) && (start_time)) + start_pos = start_time * this->rate * 50; + + this->input->seek (this->input, start_pos+4, SEEK_SET); + } else read_bytes(this, 4); @@ -759,14 +774,25 @@ static void demux_mpeg_close (demux_plugin_t *this) { /* nothing */ } +static int demux_mpeg_get_stream_length (demux_plugin_t *this_gen) { + + demux_mpeg_t *this = (demux_mpeg_t *) this_gen; + + if (this->rate) + return this->input->get_length (this->input) / (this->rate * 50); + else + return 0; + +} + demux_plugin_t *init_demuxer_plugin(int iface, config_values_t *config) { demux_mpeg_t *this; - if (iface != 2) { + if (iface != 3) { printf( "demux_mpeg: plugin doesn't support plugin API version %d.\n" "demux_mpeg: this means there's a version mismatch between xine and this " - "demux_mpeg: demuxer plugin.\nInstalling current input plugins should help.\n", + "demux_mpeg: demuxer plugin.\nInstalling current demux plugins should help.\n", iface); return NULL; } @@ -781,6 +807,7 @@ demux_plugin_t *init_demuxer_plugin(int iface, config_values_t *config) { this->demux_plugin.close = demux_mpeg_close; this->demux_plugin.get_status = demux_mpeg_get_status; this->demux_plugin.get_identifier = demux_mpeg_get_id; + this->demux_plugin.get_stream_length = demux_mpeg_get_stream_length; return (demux_plugin_t *) this; } |