diff options
Diffstat (limited to 'gst/mpeg1sys/gstmpeg1systemencode.c')
| -rw-r--r-- | gst/mpeg1sys/gstmpeg1systemencode.c | 474 |
1 files changed, 253 insertions, 221 deletions
diff --git a/gst/mpeg1sys/gstmpeg1systemencode.c b/gst/mpeg1sys/gstmpeg1systemencode.c index e3d38d9a..a071f0c4 100644 --- a/gst/mpeg1sys/gstmpeg1systemencode.c +++ b/gst/mpeg1sys/gstmpeg1systemencode.c @@ -39,59 +39,54 @@ static GstElementDetails system_encode_details = { }; /* GstMPEG1SystemEncode signals and args */ -enum { +enum +{ /* FILL ME */ LAST_SIGNAL }; -enum { +enum +{ ARG_0, /* FILL ME */ }; -static GstStaticPadTemplate src_factory = -GST_STATIC_PAD_TEMPLATE ( - "src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("video/mpeg, " - "systemstream = (boolean) TRUE") -); +static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("video/mpeg, " "systemstream = (boolean) TRUE") + ); static GstStaticPadTemplate video_sink_factory = -GST_STATIC_PAD_TEMPLATE ( - "video_%d", - GST_PAD_SINK, - GST_PAD_REQUEST, - GST_STATIC_CAPS ("video/mpeg, " - "mpegversion = (int) 1, " - "systemstream = (boolean) FALSE") -); +GST_STATIC_PAD_TEMPLATE ("video_%d", + GST_PAD_SINK, + GST_PAD_REQUEST, + GST_STATIC_CAPS ("video/mpeg, " + "mpegversion = (int) 1, " "systemstream = (boolean) FALSE") + ); static GstStaticPadTemplate audio_sink_factory = -GST_STATIC_PAD_TEMPLATE ( - "audio_%d", - GST_PAD_SINK, - GST_PAD_REQUEST, - GST_STATIC_CAPS ("audio/mpeg, " - "mpegversion = (int) 1, " - "layer = (int) [ 1, 2 ] " - ) -); - -static void gst_system_encode_class_init (GstMPEG1SystemEncodeClass *klass); -static void gst_system_encode_base_init (GstMPEG1SystemEncodeClass *klass); -static void gst_system_encode_init (GstMPEG1SystemEncode *system_encode); - -static GstPad* gst_system_encode_request_new_pad (GstElement *element, GstPadTemplate *templ, - const gchar *unused); -static void gst_system_encode_chain (GstPad *pad, GstData *_data); - -static void gst_system_encode_set_property (GObject *object, guint prop_id, - const GValue *value, GParamSpec *pspec); -static void gst_system_encode_get_property (GObject *object, guint prop_id, - GValue *value, GParamSpec *pspec); +GST_STATIC_PAD_TEMPLATE ("audio_%d", + GST_PAD_SINK, + GST_PAD_REQUEST, + GST_STATIC_CAPS ("audio/mpeg, " + "mpegversion = (int) 1, " "layer = (int) [ 1, 2 ] ") + ); + +static void gst_system_encode_class_init (GstMPEG1SystemEncodeClass * klass); +static void gst_system_encode_base_init (GstMPEG1SystemEncodeClass * klass); +static void gst_system_encode_init (GstMPEG1SystemEncode * system_encode); + +static GstPad *gst_system_encode_request_new_pad (GstElement * element, + GstPadTemplate * templ, const gchar * unused); +static void gst_system_encode_chain (GstPad * pad, GstData * _data); + +static void gst_system_encode_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_system_encode_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); static GstElementClass *parent_class = NULL; + /*static guint gst_system_encode_signals[LAST_SIGNAL] = { 0 }; */ GType @@ -101,46 +96,48 @@ gst_mpeg1_system_encode_get_type (void) if (!system_encode_type) { static const GTypeInfo system_encode_info = { - sizeof(GstMPEG1SystemEncodeClass), - (GBaseInitFunc)gst_system_encode_base_init, + sizeof (GstMPEG1SystemEncodeClass), + (GBaseInitFunc) gst_system_encode_base_init, NULL, - (GClassInitFunc)gst_system_encode_class_init, + (GClassInitFunc) gst_system_encode_class_init, NULL, NULL, - sizeof(GstMPEG1SystemEncode), + sizeof (GstMPEG1SystemEncode), 0, - (GInstanceInitFunc)gst_system_encode_init, + (GInstanceInitFunc) gst_system_encode_init, NULL }; - system_encode_type = g_type_register_static(GST_TYPE_ELEMENT, "GstMPEG1SystemEncode", &system_encode_info, 0); + system_encode_type = + g_type_register_static (GST_TYPE_ELEMENT, "GstMPEG1SystemEncode", + &system_encode_info, 0); } return system_encode_type; } static void -gst_system_encode_base_init (GstMPEG1SystemEncodeClass *klass) +gst_system_encode_base_init (GstMPEG1SystemEncodeClass * klass) { GstElementClass *element_class = GST_ELEMENT_CLASS (klass); gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&src_factory)); + gst_static_pad_template_get (&src_factory)); gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&audio_sink_factory)); + gst_static_pad_template_get (&audio_sink_factory)); gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&video_sink_factory)); + gst_static_pad_template_get (&video_sink_factory)); gst_element_class_set_details (element_class, &system_encode_details); } static void -gst_system_encode_class_init (GstMPEG1SystemEncodeClass *klass) +gst_system_encode_class_init (GstMPEG1SystemEncodeClass * klass) { GObjectClass *gobject_class; GstElementClass *gstelement_class; - gobject_class = (GObjectClass*)klass; - gstelement_class = (GstElementClass*)klass; + gobject_class = (GObjectClass *) klass; + gstelement_class = (GstElementClass *) klass; - parent_class = g_type_class_ref(GST_TYPE_ELEMENT); + parent_class = g_type_class_ref (GST_TYPE_ELEMENT); gobject_class->set_property = gst_system_encode_set_property; gobject_class->get_property = gst_system_encode_get_property; @@ -149,10 +146,11 @@ gst_system_encode_class_init (GstMPEG1SystemEncodeClass *klass) } static void -gst_system_encode_init (GstMPEG1SystemEncode *system_encode) +gst_system_encode_init (GstMPEG1SystemEncode * system_encode) { - system_encode->srcpad = gst_pad_new_from_template ( - gst_static_pad_template_get (&src_factory), "src"); + system_encode->srcpad = + gst_pad_new_from_template (gst_static_pad_template_get (&src_factory), + "src"); gst_element_add_pad (GST_ELEMENT (system_encode), system_encode->srcpad); system_encode->video_buffer = mpeg1mux_buffer_new (BUFFER_TYPE_VIDEO, 0xE0); @@ -160,7 +158,7 @@ gst_system_encode_init (GstMPEG1SystemEncode *system_encode) system_encode->have_setup = FALSE; system_encode->mta = NULL; system_encode->packet_size = 2048; - system_encode->lock = g_mutex_new(); + system_encode->lock = g_mutex_new (); system_encode->current_pack = system_encode->packets_per_pack = 3; system_encode->video_delay_ms = 0; system_encode->audio_delay_ms = 0; @@ -175,8 +173,9 @@ gst_system_encode_init (GstMPEG1SystemEncode *system_encode) } -static GstPad* -gst_system_encode_request_new_pad (GstElement *element, GstPadTemplate *templ, const gchar *unused) +static GstPad * +gst_system_encode_request_new_pad (GstElement * element, GstPadTemplate * templ, + const gchar * unused) { GstMPEG1SystemEncode *system_encode; gchar *name = NULL; @@ -194,23 +193,23 @@ gst_system_encode_request_new_pad (GstElement *element, GstPadTemplate *templ, c name = g_strdup_printf ("audio_%02d", system_encode->num_audio_pads); g_print ("%s\n", name); newpad = gst_pad_new_from_template (templ, name); - gst_pad_set_element_private (newpad, GINT_TO_POINTER (system_encode->num_audio_pads)); + gst_pad_set_element_private (newpad, + GINT_TO_POINTER (system_encode->num_audio_pads)); system_encode->audio_pad[system_encode->num_audio_pads] = newpad; system_encode->num_audio_pads++; system_encode->which_streams |= STREAMS_AUDIO; - } - else if (templ == gst_static_pad_template_get (&video_sink_factory)) { + } else if (templ == gst_static_pad_template_get (&video_sink_factory)) { name = g_strdup_printf ("video_%02d", system_encode->num_video_pads); g_print ("%s\n", name); newpad = gst_pad_new_from_template (templ, name); - gst_pad_set_element_private (newpad, GINT_TO_POINTER (system_encode->num_video_pads)); + gst_pad_set_element_private (newpad, + GINT_TO_POINTER (system_encode->num_video_pads)); system_encode->video_pad[system_encode->num_video_pads] = newpad; system_encode->num_video_pads++; system_encode->which_streams |= STREAMS_VIDEO; - } - else { + } else { g_warning ("system_encode: this is not our template!\n"); return NULL; } @@ -222,59 +221,67 @@ gst_system_encode_request_new_pad (GstElement *element, GstPadTemplate *templ, c } /* return a list of all the highest prioripty streams */ -static GList* -gst_system_encode_pick_streams (GList *mta, GstMPEG1SystemEncode *system_encode) +static GList * +gst_system_encode_pick_streams (GList * mta, + GstMPEG1SystemEncode * system_encode) { guint64 lowest = ~1; - GST_DEBUG ("pick_streams: %" G_GINT64_FORMAT ", %" G_GINT64_FORMAT, system_encode->video_buffer->next_frame_time, - system_encode->audio_buffer->next_frame_time); + GST_DEBUG ("pick_streams: %" G_GINT64_FORMAT ", %" G_GINT64_FORMAT, + system_encode->video_buffer->next_frame_time, + system_encode->audio_buffer->next_frame_time); if (system_encode->which_streams & STREAMS_VIDEO) { - if (system_encode->video_buffer->next_frame_time < lowest-system_encode->video_delay) { + if (system_encode->video_buffer->next_frame_time < + lowest - system_encode->video_delay) { lowest = system_encode->video_buffer->next_frame_time; } } if (system_encode->which_streams & STREAMS_AUDIO) { - if (system_encode->audio_buffer->next_frame_time < lowest-system_encode->audio_delay) { + if (system_encode->audio_buffer->next_frame_time < + lowest - system_encode->audio_delay) { lowest = system_encode->audio_buffer->next_frame_time; } } if (system_encode->which_streams & STREAMS_VIDEO) { if (system_encode->video_buffer->next_frame_time == lowest) { - mta = g_list_append(mta, system_encode->video_buffer); + mta = g_list_append (mta, system_encode->video_buffer); } } if (system_encode->which_streams & STREAMS_AUDIO) { if (system_encode->audio_buffer->next_frame_time == lowest) { - mta = g_list_append(mta, system_encode->audio_buffer); + mta = g_list_append (mta, system_encode->audio_buffer); } } return mta; } static gboolean -gst_system_encode_have_data (GstMPEG1SystemEncode *system_encode) +gst_system_encode_have_data (GstMPEG1SystemEncode * system_encode) { if (system_encode->which_streams == (STREAMS_VIDEO | STREAMS_AUDIO)) { - if (MPEG1MUX_BUFFER_QUEUED(system_encode->audio_buffer) > 2 && - MPEG1MUX_BUFFER_SPACE(system_encode->audio_buffer) > system_encode->packet_size*2 && - MPEG1MUX_BUFFER_QUEUED(system_encode->video_buffer) > 2 && - MPEG1MUX_BUFFER_SPACE(system_encode->video_buffer) > system_encode->packet_size*2) { + if (MPEG1MUX_BUFFER_QUEUED (system_encode->audio_buffer) > 2 && + MPEG1MUX_BUFFER_SPACE (system_encode->audio_buffer) > + system_encode->packet_size * 2 + && MPEG1MUX_BUFFER_QUEUED (system_encode->video_buffer) > 2 + && MPEG1MUX_BUFFER_SPACE (system_encode->video_buffer) > + system_encode->packet_size * 2) { return TRUE; } } if (system_encode->which_streams == STREAMS_VIDEO) { - if (MPEG1MUX_BUFFER_QUEUED(system_encode->video_buffer) > 2 && - MPEG1MUX_BUFFER_SPACE(system_encode->video_buffer) > system_encode->packet_size*2) { + if (MPEG1MUX_BUFFER_QUEUED (system_encode->video_buffer) > 2 && + MPEG1MUX_BUFFER_SPACE (system_encode->video_buffer) > + system_encode->packet_size * 2) { return TRUE; } } if (system_encode->which_streams == STREAMS_VIDEO) { - if (MPEG1MUX_BUFFER_QUEUED(system_encode->audio_buffer) > 2 && - MPEG1MUX_BUFFER_SPACE(system_encode->audio_buffer) > system_encode->packet_size*2) { + if (MPEG1MUX_BUFFER_QUEUED (system_encode->audio_buffer) > 2 && + MPEG1MUX_BUFFER_SPACE (system_encode->audio_buffer) > + system_encode->packet_size * 2) { return TRUE; } } @@ -282,67 +289,85 @@ gst_system_encode_have_data (GstMPEG1SystemEncode *system_encode) return FALSE; } -static GList* -gst_system_encode_update_mta (GstMPEG1SystemEncode *system_encode, GList *mta, gulong size) +static GList * +gst_system_encode_update_mta (GstMPEG1SystemEncode * system_encode, GList * mta, + gulong size) { - GList *streams = g_list_first(mta); - Mpeg1MuxBuffer *mb = (Mpeg1MuxBuffer *)streams->data; + GList *streams = g_list_first (mta); + Mpeg1MuxBuffer *mb = (Mpeg1MuxBuffer *) streams->data; GST_DEBUG ("system_encode::multiplex: update mta"); - mpeg1mux_buffer_shrink(mb, size); + mpeg1mux_buffer_shrink (mb, size); - mta = g_list_remove(mta, mb); + mta = g_list_remove (mta, mb); return mta; } static void -gst_system_setup_multiplex (GstMPEG1SystemEncode *system_encode) +gst_system_setup_multiplex (GstMPEG1SystemEncode * system_encode) { Mpeg1MuxTimecode *video_tc, *audio_tc; - system_encode->audio_buffer_size = 4*1024; - system_encode->video_buffer_size = 46*1024; + system_encode->audio_buffer_size = 4 * 1024; + system_encode->video_buffer_size = 46 * 1024; system_encode->bytes_output = 0; - system_encode->min_packet_data = system_encode->packet_size - PACK_HEADER_SIZE - SYS_HEADER_SIZE - - PACKET_HEADER_SIZE - AFTER_PACKET_LENGTH; - system_encode->max_packet_data = system_encode->packet_size - PACKET_HEADER_SIZE - AFTER_PACKET_LENGTH; + system_encode->min_packet_data = + system_encode->packet_size - PACK_HEADER_SIZE - SYS_HEADER_SIZE - + PACKET_HEADER_SIZE - AFTER_PACKET_LENGTH; + system_encode->max_packet_data = + system_encode->packet_size - PACKET_HEADER_SIZE - AFTER_PACKET_LENGTH; if (system_encode->which_streams & STREAMS_VIDEO) { - system_encode->video_rate = system_encode->video_buffer->info.video.bit_rate * 50; - } - else system_encode->video_rate = 0; + system_encode->video_rate = + system_encode->video_buffer->info.video.bit_rate * 50; + } else + system_encode->video_rate = 0; if (system_encode->which_streams & STREAMS_AUDIO) - system_encode->audio_rate = system_encode->audio_buffer->info.audio.bit_rate * 128; - else system_encode->audio_rate = 0; - - system_encode->data_rate = system_encode->video_rate + system_encode->audio_rate; - - system_encode->dmux_rate = ceil((double)(system_encode->data_rate) * - ((double)(system_encode->packet_size)/(double)(system_encode->min_packet_data) + - ((double)(system_encode->packet_size)/(double)(system_encode->max_packet_data) * - (double)(system_encode->packets_per_pack-1.))) / (double)(system_encode->packets_per_pack) ); - system_encode->data_rate = ceil(system_encode->dmux_rate/50.)*50; - - GST_DEBUG ("system_encode::multiplex: data_rate %u, video_rate: %u, audio_rate: %u", system_encode->data_rate, - system_encode->video_rate, system_encode->audio_rate); - - system_encode->video_delay = (double)system_encode->video_delay_ms*(double)(CLOCKS/1000); - system_encode->audio_delay = (double)system_encode->audio_delay_ms*(double)(CLOCKS/1000); - - system_encode->mux_rate = ceil(system_encode->dmux_rate/50.); - system_encode->dmux_rate= system_encode->mux_rate * 50.; - - video_tc = MPEG1MUX_BUFFER_FIRST_TIMECODE(system_encode->video_buffer); - audio_tc = MPEG1MUX_BUFFER_FIRST_TIMECODE(system_encode->audio_buffer); - - GST_DEBUG ("system_encode::video tc %" G_GINT64_FORMAT ", audio tc %" G_GINT64_FORMAT ":", video_tc->DTS, audio_tc->DTS); - - system_encode->delay = ((double)system_encode->sectors_delay + - ceil((double)video_tc->length/(double)system_encode->min_packet_data) + - ceil((double)video_tc->length/(double)system_encode->min_packet_data )) * - (double)system_encode->packet_size/system_encode->dmux_rate*(double)CLOCKS; + system_encode->audio_rate = + system_encode->audio_buffer->info.audio.bit_rate * 128; + else + system_encode->audio_rate = 0; + + system_encode->data_rate = + system_encode->video_rate + system_encode->audio_rate; + + system_encode->dmux_rate = ceil ((double) (system_encode->data_rate) * + ((double) (system_encode->packet_size) / + (double) (system_encode->min_packet_data) + + ((double) (system_encode->packet_size) / + (double) (system_encode->max_packet_data) * + (double) (system_encode->packets_per_pack - + 1.))) / (double) (system_encode->packets_per_pack)); + system_encode->data_rate = ceil (system_encode->dmux_rate / 50.) * 50; + + GST_DEBUG + ("system_encode::multiplex: data_rate %u, video_rate: %u, audio_rate: %u", + system_encode->data_rate, system_encode->video_rate, + system_encode->audio_rate); + + system_encode->video_delay = + (double) system_encode->video_delay_ms * (double) (CLOCKS / 1000); + system_encode->audio_delay = + (double) system_encode->audio_delay_ms * (double) (CLOCKS / 1000); + + system_encode->mux_rate = ceil (system_encode->dmux_rate / 50.); + system_encode->dmux_rate = system_encode->mux_rate * 50.; + + video_tc = MPEG1MUX_BUFFER_FIRST_TIMECODE (system_encode->video_buffer); + audio_tc = MPEG1MUX_BUFFER_FIRST_TIMECODE (system_encode->audio_buffer); + + GST_DEBUG ("system_encode::video tc %" G_GINT64_FORMAT ", audio tc %" + G_GINT64_FORMAT ":", video_tc->DTS, audio_tc->DTS); + + system_encode->delay = ((double) system_encode->sectors_delay + + ceil ((double) video_tc->length / + (double) system_encode->min_packet_data) + + ceil ((double) video_tc->length / + (double) system_encode->min_packet_data)) * + (double) system_encode->packet_size / system_encode->dmux_rate * + (double) CLOCKS; system_encode->audio_delay += system_encode->delay; system_encode->video_delay += system_encode->delay; @@ -351,134 +376,142 @@ gst_system_setup_multiplex (GstMPEG1SystemEncode *system_encode) system_encode->video_delay = 0; system_encode->delay = 0; - GST_DEBUG ("system_encode::multiplex: delay %g, mux_rate: %lu", system_encode->delay, system_encode->mux_rate); + GST_DEBUG ("system_encode::multiplex: delay %g, mux_rate: %lu", + system_encode->delay, system_encode->mux_rate); } static void -gst_system_encode_multiplex(GstMPEG1SystemEncode *system_encode) +gst_system_encode_multiplex (GstMPEG1SystemEncode * system_encode) { GList *streams; - Mpeg1MuxBuffer *mb = (Mpeg1MuxBuffer *)streams->data; + Mpeg1MuxBuffer *mb = (Mpeg1MuxBuffer *) streams->data; guchar timestamps; guchar buffer_scale; GstBuffer *outbuf; - Pack_struc *pack; - Sys_header_struc *sys_header; + Pack_struc *pack; + Sys_header_struc *sys_header; Mpeg1MuxTimecode *tc; gulong buffer_size, non_scaled_buffer_size, total_queued; guint64 PTS, DTS; - g_mutex_lock(system_encode->lock); + g_mutex_lock (system_encode->lock); - while (gst_system_encode_have_data(system_encode)) { + while (gst_system_encode_have_data (system_encode)) { GST_DEBUG ("system_encode::multiplex: multiplexing"); if (!system_encode->have_setup) { - gst_system_setup_multiplex(system_encode); + gst_system_setup_multiplex (system_encode); system_encode->have_setup = TRUE; } if (system_encode->mta == NULL) { - system_encode->mta = gst_system_encode_pick_streams(system_encode->mta, system_encode); + system_encode->mta = + gst_system_encode_pick_streams (system_encode->mta, system_encode); } - if (system_encode->mta == NULL) break; + if (system_encode->mta == NULL) + break; - system_encode->SCR = (guint64)(system_encode->bytes_output+LAST_SCR_BYTE_IN_PACK)*CLOCKS/system_encode->dmux_rate; + system_encode->SCR = + (guint64) (system_encode->bytes_output + + LAST_SCR_BYTE_IN_PACK) * CLOCKS / system_encode->dmux_rate; - streams = g_list_first(system_encode->mta); - mb = (Mpeg1MuxBuffer *)streams->data; + streams = g_list_first (system_encode->mta); + mb = (Mpeg1MuxBuffer *) streams->data; if (system_encode->current_pack == system_encode->packets_per_pack) { - create_pack(system_encode->pack, system_encode->SCR, system_encode->mux_rate); - create_sys_header (system_encode->sys_header, system_encode->mux_rate, 1, 1, 1, 1, 1, 1, - AUDIO_STR_0, 0, system_encode->audio_buffer_size/128, - VIDEO_STR_0, 1, system_encode->video_buffer_size/1024, system_encode->which_streams ); + create_pack (system_encode->pack, system_encode->SCR, + system_encode->mux_rate); + create_sys_header (system_encode->sys_header, system_encode->mux_rate, 1, + 1, 1, 1, 1, 1, AUDIO_STR_0, 0, system_encode->audio_buffer_size / 128, + VIDEO_STR_0, 1, system_encode->video_buffer_size / 1024, + system_encode->which_streams); system_encode->current_pack = 0; pack = system_encode->pack; sys_header = system_encode->sys_header; - } - else { + } else { system_encode->current_pack++; pack = NULL; sys_header = NULL; } - tc = MPEG1MUX_BUFFER_FIRST_TIMECODE(mb); + tc = MPEG1MUX_BUFFER_FIRST_TIMECODE (mb); if (mb->new_frame) { GST_DEBUG ("system_encode::multiplex: new frame"); - if (tc->frame_type == FRAME_TYPE_AUDIO || tc->frame_type == FRAME_TYPE_IFRAME || tc->frame_type == FRAME_TYPE_PFRAME) { - timestamps = TIMESTAMPS_PTS; - } - else { - timestamps = TIMESTAMPS_PTS_DTS; + if (tc->frame_type == FRAME_TYPE_AUDIO + || tc->frame_type == FRAME_TYPE_IFRAME + || tc->frame_type == FRAME_TYPE_PFRAME) { + timestamps = TIMESTAMPS_PTS; + } else { + timestamps = TIMESTAMPS_PTS_DTS; } - } - else { + } else { timestamps = TIMESTAMPS_NO; } if (tc->frame_type != FRAME_TYPE_AUDIO) { - if (tc->PTS<system_encode->startup_delay) + if (tc->PTS < system_encode->startup_delay) system_encode->startup_delay = tc->PTS; } if (tc->frame_type == FRAME_TYPE_AUDIO) { buffer_scale = 0; non_scaled_buffer_size = system_encode->audio_buffer_size; - buffer_size = system_encode->audio_buffer_size/128; + buffer_size = system_encode->audio_buffer_size / 128; PTS = tc->PTS + system_encode->audio_delay + system_encode->startup_delay; DTS = tc->PTS + system_encode->audio_delay + system_encode->startup_delay; - } - else { + } else { buffer_scale = 1; non_scaled_buffer_size = system_encode->video_buffer_size; - buffer_size = system_encode->video_buffer_size/1024; + buffer_size = system_encode->video_buffer_size / 1024; PTS = tc->PTS + system_encode->video_delay; DTS = tc->DTS + system_encode->video_delay; } - total_queued = mpeg1mux_buffer_update_queued(mb, system_encode->SCR); + total_queued = mpeg1mux_buffer_update_queued (mb, system_encode->SCR); if (non_scaled_buffer_size - total_queued >= system_encode->packet_size) { /* write the pack/packet here */ create_sector (system_encode->sector, pack, sys_header, - system_encode->packet_size, - MPEG1MUX_BUFFER_DATA(mb), mb->stream_id, buffer_scale, - buffer_size, TRUE, PTS, DTS, - timestamps, system_encode->which_streams); - /* update mta */ - system_encode->mta = gst_system_encode_update_mta(system_encode, system_encode->mta, - system_encode->sector->length_of_packet_data); - } - else { + system_encode->packet_size, + MPEG1MUX_BUFFER_DATA (mb), mb->stream_id, buffer_scale, + buffer_size, TRUE, PTS, DTS, + timestamps, system_encode->which_streams); + /* update mta */ + system_encode->mta = + gst_system_encode_update_mta (system_encode, system_encode->mta, + system_encode->sector->length_of_packet_data); + } else { /* write a padding packet */ create_sector (system_encode->sector, pack, sys_header, - system_encode->packet_size, NULL, PADDING_STR, 0, - 0, FALSE, 0, 0, - TIMESTAMPS_NO, system_encode->which_streams); + system_encode->packet_size, NULL, PADDING_STR, 0, + 0, FALSE, 0, 0, TIMESTAMPS_NO, system_encode->which_streams); } - outbuf = gst_buffer_new(); - GST_BUFFER_DATA(outbuf) = g_malloc(system_encode->sector->length_of_sector); - GST_BUFFER_SIZE(outbuf) = system_encode->sector->length_of_sector; - memcpy(GST_BUFFER_DATA(outbuf),system_encode->sector->buf, system_encode->sector->length_of_sector); - system_encode->bytes_output += GST_BUFFER_SIZE(outbuf); - gst_pad_push(system_encode->srcpad,GST_DATA (outbuf)); + outbuf = gst_buffer_new (); + GST_BUFFER_DATA (outbuf) = + g_malloc (system_encode->sector->length_of_sector); + GST_BUFFER_SIZE (outbuf) = system_encode->sector->length_of_sector; + memcpy (GST_BUFFER_DATA (outbuf), system_encode->sector->buf, + system_encode->sector->length_of_sector); + system_encode->bytes_output += GST_BUFFER_SIZE (outbuf); + gst_pad_push (system_encode->srcpad, GST_DATA (outbuf)); GST_DEBUG ("system_encode::multiplex: writing %02x", mb->stream_id); } - gst_info("system_encode::multiplex: data left in video buffer %lu\n", MPEG1MUX_BUFFER_SPACE(system_encode->video_buffer)); - gst_info("system_encode::multiplex: data left in audio buffer %lu\n", MPEG1MUX_BUFFER_SPACE(system_encode->audio_buffer)); + gst_info ("system_encode::multiplex: data left in video buffer %lu\n", + MPEG1MUX_BUFFER_SPACE (system_encode->video_buffer)); + gst_info ("system_encode::multiplex: data left in audio buffer %lu\n", + MPEG1MUX_BUFFER_SPACE (system_encode->audio_buffer)); - g_mutex_unlock(system_encode->lock); + g_mutex_unlock (system_encode->lock); } static void -gst_system_encode_chain (GstPad *pad, GstData *_data) +gst_system_encode_chain (GstPad * pad, GstData * _data) { GstBuffer *buf = GST_BUFFER (_data); GstMPEG1SystemEncode *system_encode; @@ -487,46 +520,50 @@ gst_system_encode_chain (GstPad *pad, GstData *_data) const gchar *padname; gint channel; - g_return_if_fail(pad != NULL); - g_return_if_fail(GST_IS_PAD(pad)); - g_return_if_fail(buf != NULL); + g_return_if_fail (pad != NULL); + g_return_if_fail (GST_IS_PAD (pad)); + g_return_if_fail (buf != NULL); system_encode = GST_SYSTEM_ENCODE (GST_OBJECT_PARENT (pad)); - data = GST_BUFFER_DATA(buf); - size = GST_BUFFER_SIZE(buf); + data = GST_BUFFER_DATA (buf); + size = GST_BUFFER_SIZE (buf); - GST_DEBUG ("system_encode::chain: system_encode: have buffer of size %lu",size); + GST_DEBUG ("system_encode::chain: system_encode: have buffer of size %lu", + size); padname = GST_OBJECT_NAME (pad); - if (strncmp(padname, "audio_", 6) == 0) { - channel = atoi(&padname[6]); - GST_DEBUG ("gst_system_encode_chain: got audio buffer in from audio channel %02d", channel); + if (strncmp (padname, "audio_", 6) == 0) { + channel = atoi (&padname[6]); + GST_DEBUG + ("gst_system_encode_chain: got audio buffer in from audio channel %02d", + channel); - mpeg1mux_buffer_queue(system_encode->audio_buffer, buf); - } - else if (strncmp(padname, "video_", 6) == 0) { - channel = atoi(&padname[6]); - GST_DEBUG ("gst_system_encode_chain: got video buffer in from video channel %02d", channel); + mpeg1mux_buffer_queue (system_encode->audio_buffer, buf); + } else if (strncmp (padname, "video_", 6) == 0) { + channel = atoi (&padname[6]); + GST_DEBUG + ("gst_system_encode_chain: got video buffer in from video channel %02d", + channel); - mpeg1mux_buffer_queue(system_encode->video_buffer, buf); + mpeg1mux_buffer_queue (system_encode->video_buffer, buf); + } else { + g_assert_not_reached (); } - else { - g_assert_not_reached (); - } - gst_system_encode_multiplex(system_encode); + gst_system_encode_multiplex (system_encode); - gst_buffer_unref(buf); + gst_buffer_unref (buf); } static void -gst_system_encode_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) +gst_system_encode_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) { GstMPEG1SystemEncode *system_encode; /* it's not null if we got it, but it might not be ours */ - g_return_if_fail(GST_IS_SYSTEM_ENCODE(object)); - system_encode = GST_SYSTEM_ENCODE(object); + g_return_if_fail (GST_IS_SYSTEM_ENCODE (object)); + system_encode = GST_SYSTEM_ENCODE (object); switch (prop_id) { default: @@ -536,13 +573,14 @@ gst_system_encode_set_property (GObject *object, guint prop_id, const GValue *va } static void -gst_system_encode_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) +gst_system_encode_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) { GstMPEG1SystemEncode *src; /* it's not null if we got it, but it might not be ours */ - g_return_if_fail(GST_IS_SYSTEM_ENCODE(object)); - src = GST_SYSTEM_ENCODE(object); + g_return_if_fail (GST_IS_SYSTEM_ENCODE (object)); + src = GST_SYSTEM_ENCODE (object); switch (prop_id) { default: @@ -552,24 +590,18 @@ gst_system_encode_get_property (GObject *object, guint prop_id, GValue *value, G } static gboolean -plugin_init (GstPlugin *plugin) +plugin_init (GstPlugin * plugin) { /* this filter needs the getbits functions */ if (!gst_library_load ("gstgetbits")) return FALSE; return gst_element_register (plugin, "system_encode", - GST_RANK_NONE, GST_TYPE_SYSTEM_ENCODE); + GST_RANK_NONE, GST_TYPE_SYSTEM_ENCODE); } -GST_PLUGIN_DEFINE ( - GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "system_encode", - "MPEG-1 system stream encoder", - plugin_init, - VERSION, - "GPL", - GST_PACKAGE, - GST_ORIGIN -) +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "system_encode", + "MPEG-1 system stream encoder", + plugin_init, VERSION, "GPL", GST_PACKAGE, GST_ORIGIN) |