diff options
| -rw-r--r-- | ext/swfdec/Makefile.am | 12 | ||||
| -rw-r--r-- | ext/swfdec/gstswfdec.c | 1142 | ||||
| -rw-r--r-- | ext/swfdec/gstswfdec.h | 87 |
3 files changed, 1241 insertions, 0 deletions
diff --git a/ext/swfdec/Makefile.am b/ext/swfdec/Makefile.am new file mode 100644 index 00000000..e883ff35 --- /dev/null +++ b/ext/swfdec/Makefile.am @@ -0,0 +1,12 @@ + +plugindir = $(libdir)/gst + +plugin_LTLIBRARIES = libgstswfdec.la + +libgstswfdec_la_SOURCES = gstswfdec.c +libgstswfdec_la_CFLAGS = $(GST_CFLAGS) $(SWFDEC_CFLAGS) +libgstswfdec_la_LIBADD = $(SWFDEC_LIBS) +libgstswfdec_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) + +noinst_HEADERS = gstswfdec.h + diff --git a/ext/swfdec/gstswfdec.c b/ext/swfdec/gstswfdec.c new file mode 100644 index 00000000..1f824994 --- /dev/null +++ b/ext/swfdec/gstswfdec.c @@ -0,0 +1,1142 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "gstswfdec.h" +#include <string.h> + +/* elementfactory information */ +static GstElementDetails gst_swfdec_details = { + "SWF video decoder", + "Codec/Video/Decoder", + "Uses libswfdec to decode Flash video streams", + VERSION, + "David Schleef <ds@schleef.org>", + "(C) 2002", +}; + +/* Swfdec signals and args */ +enum { + /* FILL ME */ + LAST_SIGNAL +}; + +enum { + ARG_0, + ARG_FRAME_RATE, + /* FILL ME */ +}; + +GST_PAD_TEMPLATE_FACTORY (video_template_factory, + "video_%02d", + GST_PAD_SRC, + GST_PAD_SOMETIMES, + GST_CAPS_NEW ( + "swfdec_src", + "video/raw", + "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('R','G','B',' ')), + "width", GST_PROPS_INT_RANGE (16, 4096), + "height", GST_PROPS_INT_RANGE (16, 4096) + ) +); + +GST_PAD_TEMPLATE_FACTORY (audio_template_factory, + "audio_%02d", + GST_PAD_SRC, + GST_PAD_SOMETIMES, + GST_CAPS_NEW ( + "swfdec_audiosrc", + "audio/raw", + "format", GST_PROPS_STRING("int"), + "law", GST_PROPS_INT(0), + "endianness", GST_PROPS_INT(G_BYTE_ORDER), + "signed", GST_PROPS_BOOLEAN(TRUE), + "width", GST_PROPS_INT(16), + "depth", GST_PROPS_INT(16), + "rate", GST_PROPS_INT(44100), + "channels", GST_PROPS_INT(1) + ) +); + +GST_PAD_TEMPLATE_FACTORY (sink_template_factory, + "sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_CAPS_NEW ( + "swfdec_sink", + "application/x-shockwave-flash", + "format", GST_PROPS_STRING("SWF") + ) +); + +static void gst_swfdec_class_init (GstSwfdecClass *klass); +static void gst_swfdec_init (GstSwfdec *swfdec); + +static void gst_swfdec_dispose (GObject *object); + +static void gst_swfdec_set_property (GObject *object, guint prop_id, + const GValue *value, GParamSpec *pspec); +static void gst_swfdec_get_property (GObject *object, guint prop_id, + GValue *value, GParamSpec *pspec); +#if 0 +static GstPad * +gst_swfdec_request_new_pad (GstElement *element, GstPadTemplate *templ, + const gchar *template); +#endif + +#if 0 +static gboolean gst_swfdec_src_event (GstPad *pad, GstEvent *event); +static gboolean gst_swfdec_src_query (GstPad *pad, GstPadQueryType type, + GstFormat *format, gint64 *value); + +static gboolean gst_swfdec_convert_sink (GstPad *pad, GstFormat src_format, gint64 src_value, + GstFormat *dest_format, gint64 *dest_value); +static gboolean gst_swfdec_convert_src (GstPad *pad, GstFormat src_format, gint64 src_value, + GstFormat *dest_format, gint64 *dest_value); +#endif + +static GstElementStateReturn + gst_swfdec_change_state (GstElement *element); + +#if 0 +static void gst_swfdec_chain (GstPad *pad, GstBuffer *buffer); +#endif + +static GstElementClass *parent_class = NULL; +/*static guint gst_swfdec_signals[LAST_SIGNAL] = { 0 };*/ + +GType +gst_swfdec_get_type (void) +{ + static GType swfdec_type = 0; + + if (!swfdec_type) { + static const GTypeInfo swfdec_info = { + sizeof(GstSwfdecClass), + NULL, + NULL, + (GClassInitFunc)gst_swfdec_class_init, + NULL, + NULL, + sizeof(GstSwfdec), + 0, + (GInstanceInitFunc)gst_swfdec_init, + }; + swfdec_type = g_type_register_static(GST_TYPE_ELEMENT, "GstSwfdec", &swfdec_info, 0); + } + return swfdec_type; +} + +static void +gst_swfdec_class_init(GstSwfdecClass *klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + + gobject_class = (GObjectClass*)klass; + gstelement_class = (GstElementClass*)klass; + + parent_class = g_type_class_ref(GST_TYPE_ELEMENT); + + g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAME_RATE, + g_param_spec_float ("frame_rate","frame_rate","frame_rate", + 0.0, 1000.0, 0.0, G_PARAM_READABLE)); + + gobject_class->set_property = gst_swfdec_set_property; + gobject_class->get_property = gst_swfdec_get_property; + gobject_class->dispose = gst_swfdec_dispose; + + gstelement_class->change_state = gst_swfdec_change_state; + //gstelement_class->request_new_pad = gst_swfdec_request_new_pad; +} + +#if 0 +static void +gst_swfdec_vo_frame_draw (vo_frame_t * frame) +{ + gst_swfdec_vo_instance_t *_instance; + gst_swfdec_vo_frame_t *_frame; + GstSwfdec *swfdec; + gint64 pts = -1; + + g_return_if_fail (frame != NULL); + g_return_if_fail (((gst_swfdec_vo_frame_t *)frame)->buffer != NULL); + + _frame = (gst_swfdec_vo_frame_t *)frame; + _instance = (gst_swfdec_vo_instance_t *)frame->instance; + + swfdec = GST_SWFDEC (_instance->swfdec); + + + /* we have to be carefull here. we do swf_close in the READY state + * but it can send a few frames still. We have to make sure we are playing + * when we send frames. we do have to free those last frames though */ + if (GST_STATE (GST_ELEMENT (swfdec)) != GST_STATE_PLAYING) { + gst_buffer_unref (_frame->buffer); + /* pretend we have sent the frame */ + _frame->sent = TRUE; + return; + } + + if (swfdec->frame_rate_code != swfdec->decoder->frame_rate_code) + { + swfdec->frame_rate_code = swfdec->decoder->frame_rate_code; + + g_object_notify (G_OBJECT (swfdec), "frame_rate"); + } + + pts = swfdec->next_time - 3 * (GST_SECOND / video_rates[swfdec->decoder->frame_rate_code]); + + GST_BUFFER_TIMESTAMP (_frame->buffer) = pts; + + GST_DEBUG (0, "out: %lld %d %lld", GST_BUFFER_TIMESTAMP (_frame->buffer), + swfdec->decoder->frame_rate_code, + (long long)(GST_SECOND / video_rates[swfdec->decoder->frame_rate_code])); + + swfdec->next_time += (GST_SECOND / video_rates[swfdec->decoder->frame_rate_code]) + swfdec->adjust; + + GST_BUFFER_FLAG_SET (_frame->buffer, GST_BUFFER_READONLY); + swfdec->frames_per_PTS++; + swfdec->first = FALSE; + _frame->sent = TRUE; + swfdec->total_frames++; + gst_pad_push (swfdec->videopad, _frame->buffer); +} +#endif + +#if 0 +static int +gst_swfdec_setup (GstSwfdec *swfdec, int width, int height) +{ + g_return_val_if_fail (swfdec != NULL, -1); + + GST_INFO (GST_CAT_PLUGIN_INFO, "VO: setup w=%d h=%d", width, height); + + swfdec->width = width; + swfdec->height = height; + swfdec->total_frames = 0; + + gst_pad_try_set_caps (swfdec->videopad, + gst_caps_new ( + "swfdec_caps", + "video/raw", + gst_props_new ( + "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('R','G','B',' ')), + "width", GST_PROPS_INT (width), + "height", GST_PROPS_INT (height), + NULL))); + + + return 0; +} +#endif + + +#if 0 +static void +gst_swfdec_close (GstSwfdec *swfdec) +{ + GST_INFO (GST_CAT_PLUGIN_INFO, "VO: close"); + + /* FIXME */ +} +#endif + +#if 0 +static vo_frame_t * +gst_swfdec_vo_get_frame (vo_instance_t * instance, int flags) +{ + gst_swfdec_vo_instance_t * _instance; + gst_swfdec_vo_frame_t *frame; + size_t size0; + uint8_t *data = NULL; + GstSwfdec *swfdec; + + g_return_val_if_fail (instance != NULL, NULL); + + GST_INFO (GST_CAT_PLUGIN_INFO, "VO: get_frame"); + + _instance = (gst_swfdec_vo_instance_t *)instance; + + swfdec = _instance->swfdec; + + if (flags & VO_PREDICTION_FLAG) { + _instance->prediction_index ^= 1; + frame = &_instance->frames[_instance->prediction_index]; + } else { + frame = &_instance->frames[2]; + } + + /* we are reusing this frame */ + if (frame->buffer != NULL) { + /* if the frame wasn't sent, we have to unref twice */ + if (!frame->sent) + gst_buffer_unref (frame->buffer); + gst_buffer_unref (frame->buffer); + frame->buffer = NULL; + } + + size0 = swfdec->width * swfdec->height / 4; + + if (swfdec->pool) { + frame->buffer = gst_buffer_new_from_pool (swfdec->pool, 0, 0); + } else { + size_t size = 6 * size0; + size_t offset; + GstBuffer *parent; + + parent = gst_buffer_new (); + + GST_BUFFER_SIZE(parent) = size + 0x10; + GST_BUFFER_DATA(parent) = data = g_new(uint8_t, size + 0x10); + + offset = 0x10 - (((unsigned long)data) & 0xf); + frame->buffer = gst_buffer_create_sub(parent, offset, size); + + gst_buffer_unref(parent); + } + data = GST_BUFFER_DATA(frame->buffer); + + /* need ref=2 */ + /* 1 - unref when reusing this frame */ + /* 2 - unref when other elements done with buffer */ + gst_buffer_ref (frame->buffer); + + frame->vo.base[0] = data; + frame->vo.base[1] = data + 4 * size0; + frame->vo.base[2] = data + 5 * size0; + /*printf("base[0]=%p\n", frame->vo.base[0]); */ + frame->sent = FALSE; + + return (vo_frame_t *)frame; +} +#endif + +#if 0 +static void +gst_swfdec_vo_open (GstSwfdec *swfdec) +{ + gst_swfdec_vo_instance_t * instance; + gint i,j; + + GST_INFO (GST_CAT_PLUGIN_INFO, "VO: open"); + + instance = g_new (gst_swfdec_vo_instance_t, 1); + + instance->vo.setup = gst_swfdec_vo_setup; + instance->vo.close = gst_swfdec_vo_close; + instance->vo.get_frame = gst_swfdec_vo_get_frame; + instance->swfdec = swfdec; + + for (i=0; i<NUM_FRAMES; i++) { + for (j=0; j<3; j++) { + instance->frames[j].vo.base[j] = NULL; + } + instance->frames[i].vo.copy = NULL; + instance->frames[i].vo.field = NULL; + instance->frames[i].vo.draw = gst_swfdec_vo_frame_draw; + instance->frames[i].vo.instance = (vo_instance_t *)instance; + instance->frames[i].buffer = NULL; + } + + swfdec->vo = (vo_instance_t *) instance; +} +#endif + +#if 0 +static void +gst_swfdec_vo_destroy (GstSwfdec *swfdec) +{ + gst_swfdec_vo_instance_t * instance; + gint i; + + GST_INFO (GST_CAT_PLUGIN_INFO, "VO: destroy"); + + instance = (gst_swfdec_vo_instance_t *) swfdec->vo; + + for (i=0; i<NUM_FRAMES; i++) { + if (instance->frames[i].buffer) { + if (!instance->frames[i].sent) { + gst_buffer_unref (instance->frames[i].buffer); + } + gst_buffer_unref (instance->frames[i].buffer); + } + } + + g_free (instance); + swfdec->vo = NULL; +} +#endif + +#if 0 +static GstPadConnectReturn +gst_swfdec_connect(GstPad *pad, GstCaps *caps) +{ + return GST_PAD_CONNECT_DELAYED; +} +#endif + +#if 0 +static void +src_disconnected(GstPad *srcpad, GstPad *sinkpad, GstSwfdec *plugin) +{ + GST_DEBUG(GST_CAT_PADS, "removing pad %s:%s", + GST_DEBUG_PAD_NAME(srcpad)); + + gst_element_remove_pad(GST_ELEMENT(plugin), srcpad); + + if(plugin->videopad == srcpad) plugin->videopad = NULL; + if(plugin->audiopad == srcpad) plugin->audiopad = NULL; +} +#endif + +#if 0 +static GstPad * +gst_swfdec_request_new_pad (GstElement *element, GstPadTemplate *templ, + const gchar *template) +{ + gchar *name; + GstPad *srcpad; + GstSwfdec *plugin; + + plugin = GST_SWFDEC(element); + + g_return_val_if_fail(plugin != NULL, NULL); + g_return_val_if_fail(GST_IS_SWFDEC(plugin), NULL); + + if(templ->direction != GST_PAD_SRC){ + g_warning("swfdec: request new pad that is not SRC pad.\n"); + return NULL; + } + +//printf("requesting pad %s %d\n",template,templ->name); +#if 0 + if(strcmp("audio", template) == 0){ + g_print("swfdec adding pad audio_00\n"); + + srcpad = gst_pad_new_from_template(templ, "audio_00"); + gst_element_add_pad(GST_ELEMENT(plugin), srcpad); + + g_signal_connect(G_OBJECT(srcpad), "disconnected", + G_CALLBACK(src_disconnected), plugin); + gst_pad_set_connect_function(srcpad, gst_swfdec_connect); + plugin->audiopad = srcpad; + }else if(strcmp("video", template) == 0){ +#endif + if(1){ + g_print("swfdec adding pad video_00\n"); + + srcpad = gst_pad_new_from_template(templ, "video_00"); + gst_element_add_pad(GST_ELEMENT(plugin), srcpad); + + g_signal_connect(G_OBJECT(srcpad), "disconnected", + G_CALLBACK(src_disconnected), plugin); + gst_pad_set_connect_function(srcpad, gst_swfdec_connect); + plugin->videopad = srcpad; + }else{ + g_warning("swfdec: request new pad with bad template\n"); + return NULL; + } + + return srcpad; +} +#endif + + + +static void +gst_swfdec_loop(GstElement *element) +{ + GstSwfdec *swfdec; + GstBuffer *buf = NULL; + int ret; + + g_return_if_fail(element != NULL); + g_return_if_fail(GST_IS_SWFDEC(element)); + + swfdec = GST_SWFDEC(element); + + if(!swfdec->videopad){ +printf("creating videopad\n"); + swfdec->videopad = + gst_pad_new_from_template( + GST_PAD_TEMPLATE_GET(video_template_factory), + "video_00"); +printf("videopad=%p\n",swfdec->videopad); + swfdec->audiopad = + gst_pad_new_from_template( + GST_PAD_TEMPLATE_GET(audio_template_factory), + "audio_00"); + +printf("setting caps\n"); +#if 0 + gst_pad_try_set_caps(swfdec->videopad, + gst_pad_get_pad_template_caps(swfdec->videopad)); +#endif + + gst_pad_try_set_caps (swfdec->videopad, + gst_caps_new ( + "swfdec_caps", + "video/raw", + gst_props_new ( + "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('R','G','B',' ')), + "width", GST_PROPS_INT (640), + "height", GST_PROPS_INT (480), + NULL))); + + gst_pad_try_set_caps (swfdec->audiopad, + gst_caps_new ( + "swfdec_caps", + "audio/raw", + gst_props_new( + "format", GST_PROPS_STRING("int"), + "law", GST_PROPS_INT(0), + "endianness", GST_PROPS_INT(G_BYTE_ORDER), + "signed", GST_PROPS_BOOLEAN(TRUE), + "width", GST_PROPS_INT(16), + "depth", GST_PROPS_INT(16), + "rate", GST_PROPS_INT (44100), + "channels", GST_PROPS_INT (1), + NULL))); + +printf("adding pad\n"); + gst_element_add_pad(element, swfdec->videopad); + gst_element_add_pad(element, swfdec->audiopad); + } + + ret = swf_parse(swfdec->state); + if(ret==SWF_NEEDBITS){ + buf = gst_pad_pull(swfdec->sinkpad); + if(GST_IS_EVENT(buf)){ + switch (GST_EVENT_TYPE (buf)) { + case GST_EVENT_EOS: + printf("got eos\n"); + break; + default: + printf("got event\n"); + break; + } + + }else{ + if(!GST_BUFFER_DATA(buf)){ + printf("expected non-null buffer\n"); + } + ret = swf_addbits(swfdec->state,GST_BUFFER_DATA(buf), + GST_BUFFER_SIZE(buf)); + } + } + + if(ret==SWF_CHANGE){ + swfdec->width = swfdec->state->width; + swfdec->height = swfdec->state->height; + swfdec->interval = GST_SECOND / swfdec->state->rate; +#if G_BYTE_ORDER == 4321 +#define RED_MASK 0xff0000 +#define GREEN_MASK 0x00ff00 +#define BLUE_MASK 0x0000ff +#else +#define RED_MASK 0x0000ff +#define GREEN_MASK 0x00ff00 +#define BLUE_MASK 0xff0000 +#endif +#if 1 + gst_pad_try_set_caps(swfdec->videopad, + gst_caps_new( + "swfdec_caps", + "video/raw", + gst_props_new( + "format", GST_PROPS_FOURCC(GST_MAKE_FOURCC('R','G','B',' ')), + "width", GST_PROPS_INT(swfdec->width), + "height", GST_PROPS_INT(swfdec->height), + "bpp", GST_PROPS_INT (24), + "depth", GST_PROPS_INT (24), + "endianness", GST_PROPS_INT (G_BYTE_ORDER), + "red_mask", GST_PROPS_INT (RED_MASK), + "green_mask", GST_PROPS_INT (GREEN_MASK), + "blue_mask", GST_PROPS_INT (BLUE_MASK), + NULL))); +#else + gst_pad_try_set_caps(swfdec->videopad, + gst_caps_new( + "swfdec_caps", + "video/raw", + gst_props_new( + "format", GST_PROPS_FOURCC(GST_MAKE_FOURCC('R','G','B',' ')), + "width", GST_PROPS_INT(swfdec->width), + "height", GST_PROPS_INT(swfdec->height), + "bpp", GST_PROPS_INT (16), + "depth", GST_PROPS_INT (16), + "endianness", GST_PROPS_INT (G_BYTE_ORDER), + NULL))); +#endif + gst_pad_try_set_caps(swfdec->audiopad, + gst_caps_new( + "swfdec_caps", + "audio/raw", + gst_props_new( + "format", GST_PROPS_STRING("int"), + "law", GST_PROPS_INT(0), + "endianness", GST_PROPS_INT(G_BYTE_ORDER), + "signed", GST_PROPS_BOOLEAN(TRUE), + "width", GST_PROPS_INT(16), + "depth", GST_PROPS_INT(16), + "rate", GST_PROPS_INT (44100), + "channels", GST_PROPS_INT (1), + NULL))); + return; + } + + if(ret==SWF_IMAGE){ + GstBuffer *newbuf = NULL; + int newsize = swfdec->state->width * swfdec->state->height * 3; + + /* video stuff */ + if(swfdec->pool){ + newbuf = gst_buffer_new_from_pool(swfdec->pool, 0, 0); + } + if(!newbuf){ + newbuf = gst_buffer_new(); + GST_BUFFER_SIZE(newbuf) = newsize; + GST_BUFFER_DATA(newbuf) = g_malloc(newsize); + } + g_return_if_fail(GST_BUFFER_DATA(newbuf) != NULL); + + memcpy(GST_BUFFER_DATA(newbuf),swfdec->state->buffer,newsize); + + swfdec->timestamp += swfdec->interval; + GST_BUFFER_TIMESTAMP(newbuf) = swfdec->timestamp; + + gst_pad_push(swfdec->videopad, newbuf); + + /* audio stuff */ + newbuf = gst_buffer_new(); + newsize = 2*44100.0/swfdec->state->rate; + GST_BUFFER_SIZE(newbuf) = newsize; + GST_BUFFER_DATA(newbuf) = g_malloc(newsize); + memcpy(GST_BUFFER_DATA(newbuf),swfdec->state->sound_buffer, + newsize); + GST_BUFFER_TIMESTAMP(newbuf) = swfdec->timestamp; + + gst_pad_push(swfdec->audiopad, newbuf); + } + + if(ret==SWF_EOF){ + gst_pad_push(swfdec->videopad, GST_BUFFER (gst_event_new (GST_EVENT_EOS))); + gst_pad_push(swfdec->audiopad, GST_BUFFER (gst_event_new (GST_EVENT_EOS))); + } +} + +static void +gst_swfdec_init (GstSwfdec *swfdec) +{ + /* create the sink and src pads */ + swfdec->sinkpad = gst_pad_new_from_template ( + GST_PAD_TEMPLATE_GET (sink_template_factory), "sink"); + gst_element_add_pad (GST_ELEMENT (swfdec), swfdec->sinkpad); + //gst_pad_set_chain_function (swfdec->sinkpad, gst_swfdec_chain); + //gst_pad_set_convert_function (swfdec->sinkpad, gst_swfdec_convert_sink); + +#if 0 + swfdec->videopad = gst_pad_new_from_template ( + GST_PAD_TEMPLATE_GET (video_template_factory), "video_00"); + gst_element_add_pad (GST_ELEMENT (swfdec), swfdec->videopad); +#endif + //gst_pad_set_event_function (swfdec->videopad, GST_DEBUG_FUNCPTR (gst_swfdec_src_event)); + //gst_pad_set_query_function (swfdec->videopad, GST_DEBUG_FUNCPTR (gst_swfdec_src_query)); + //gst_pad_set_convert_function (swfdec->videopad, gst_swfdec_convert_src); + +#if 0 + swfdec->audiopad = gst_pad_new_from_template ( + GST_PAD_TEMPLATE_GET (audio_template_factory), "audio_00"); + gst_element_add_pad (GST_ELEMENT (swfdec), swfdec->audiopad); +#endif + + gst_element_set_loop_function(GST_ELEMENT(swfdec), gst_swfdec_loop); + + /* initialize the swfdec decoder state */ + swfdec->state = swf_init(); + + swfdec->state->colorspace = SWF_COLORSPACE_RGB888; + + GST_FLAG_SET (GST_ELEMENT (swfdec), GST_ELEMENT_EVENT_AWARE); +} + +static void +gst_swfdec_dispose (GObject *object) +{ + //GstSwfdec *swfdec = GST_SWFDEC (object); + + /* FIXME */ + //swf_state_free(swfdec->state); + + G_OBJECT_CLASS (parent_class)->dispose (object); +} + +#if 0 +static void +gst_swfdec_chain (GstPad *pad, GstBuffer *buf) +{ + GstSwfdec *swfdec = GST_SWFDEC (gst_pad_get_parent (pad)); + guint32 size; + guchar *data; + gint ret; + gint64 pts; + + GST_DEBUG (0, "SWFDEC: chain called"); + + if (GST_IS_EVENT (buf)) { + GstEvent *event = GST_EVENT (buf); + + switch (GST_EVENT_TYPE (event)) { + case GST_EVENT_DISCONTINUOUS: + { + //gint64 value = GST_EVENT_DISCONT_OFFSET (event, 0).value; + //swfdec->decoder->is_sequence_needed = 1; + GST_DEBUG (GST_CAT_EVENT, "swfdec: discont\n"); + swfdec->first = TRUE; + swfdec->timestamp = 0; + gst_pad_event_default (pad, event); + return; + } + case GST_EVENT_EOS: + if (!swfdec->closed) { + /* close flushes the last few frames */ + //swf_close (swfdec->state); + swfdec->closed = TRUE; + } + default: + gst_pad_event_default (pad, event); + return; + } + } + + size = GST_BUFFER_SIZE (buf); + data = GST_BUFFER_DATA (buf); + pts = GST_BUFFER_TIMESTAMP (buf); + + GST_DEBUG (GST_CAT_CLOCK, "swfdec: pts %llu\n", pts); + + swfdec->timestamp += swfdec->interval; + +/* fprintf(stderr, "SWFDEC: in timestamp=%llu\n",GST_BUFFER_TIMESTAMP(buf)); */ +/* fprintf(stderr, "SWFDEC: have buffer of %d bytes\n",size); */ + ret = swf_addbits(swfdec->state, data, size); + + if(ret==SWF_IMAGE){ + + } + +/*fprintf(stderr, "SWFDEC: decoded %d frames\n", num_frames);*/ + + gst_buffer_unref(buf); +} +#endif + +#if 0 +static gboolean +gst_swfdec_convert_sink (GstPad *pad, GstFormat src_format, gint64 src_value, + GstFormat *dest_format, gint64 *dest_value) +{ + gboolean res = TRUE; + GstSwfdec *swfdec; + + swfdec = GST_SWFDEC (gst_pad_get_parent (pad)); + + switch (src_format) { + case GST_FORMAT_BYTES: + switch (*dest_format) { + case GST_FORMAT_DEFAULT: + *dest_format = GST_FORMAT_TIME; + case GST_FORMAT_TIME: + default: + res = FALSE; + } + break; + case GST_FORMAT_TIME: + switch (*dest_format) { + case GST_FORMAT_DEFAULT: + *dest_format = GST_FORMAT_BYTES; + case GST_FORMAT_BYTES: + default: + res = FALSE; + } + break; + default: + res = FALSE; + } + return res; +} +#endif + +#if 0 +static gboolean +gst_swfdec_convert_src (GstPad *pad, GstFormat src_format, gint64 src_value, + GstFormat *dest_format, gint64 *dest_value) +{ + gboolean res = TRUE; + GstSwfdec *swfdec; + + swfdec = GST_SWFDEC (gst_pad_get_parent (pad)); + + switch (src_format) { + case GST_FORMAT_BYTES: + switch (*dest_format) { + case GST_FORMAT_DEFAULT: + *dest_format = GST_FORMAT_TIME; + case GST_FORMAT_TIME: + default: + res = FALSE; + } + break; + case GST_FORMAT_TIME: + switch (*dest_format) { + case GST_FORMAT_DEFAULT: + *dest_format = GST_FORMAT_BYTES; + case GST_FORMAT_BYTES: + *dest_value = src_value * 6 * (swfdec->width * swfdec->height >> 2) * + video_rates[swfdec->decoder->frame_rate_code] / GST_SECOND; + break; + case GST_FORMAT_UNITS: + *dest_value = src_value * video_rates[swfdec->decoder->frame_rate_code] / GST_SECOND; + break; + default: + res = FALSE; + } + break; + case GST_FORMAT_UNITS: + switch (*dest_format) { + case GST_FORMAT_DEFAULT: + *dest_format = GST_FORMAT_TIME; + case GST_FORMAT_TIME: + if (video_rates[swfdec->decoder->frame_rate_code] != 0.0) { + *dest_value = src_value * GST_SECOND / + video_rates[swfdec->decoder->frame_rate_code]; + } + else + res = FALSE; + break; + case GST_FORMAT_BYTES: + *dest_value = src_value * 6 * (swfdec->width * swfdec->height >> 2); + break; + case GST_FORMAT_UNITS: + *dest_value = src_value; + break; + default: + res = FALSE; + } + break; + default: + res = FALSE; + } + return res; +} +#endif + +#if 0 +static gboolean +gst_swfdec_src_query (GstPad *pad, GstPadQueryType type, + GstFormat *format, gint64 *value) +{ + gboolean res = TRUE; + GstSwfdec *swfdec; + static const GstFormat formats[] = { GST_FORMAT_TIME, GST_FORMAT_BYTES }; +#define MAX_SEEK_FORMATS 1 /* we can only do time seeking for now */ + gint i; + + swfdec = GST_SWFDEC (gst_pad_get_parent (pad)); + + switch (type) { + case GST_PAD_QUERY_TOTAL: + { + switch (*format) { + case GST_FORMAT_DEFAULT: + *format = GST_FORMAT_TIME; + /* fallthrough */ + case GST_FORMAT_TIME: + case GST_FORMAT_BYTES: + case GST_FORMAT_UNITS: + { + res = FALSE; + + for (i = 0; i < MAX_SEEK_FORMATS && !res; i++) { + GstFormat peer_format; + gint64 peer_value; + + peer_format = formats[i]; + + /* do the probe */ + if (gst_pad_query (GST_PAD_PEER (swfdec->sinkpad), GST_PAD_QUERY_TOTAL, + &peer_format, &peer_value)) + { + GstFormat conv_format; + + /* convert to TIME */ + conv_format = GST_FORMAT_TIME; + res = gst_pad_convert (swfdec->sinkpad, + peer_format, peer_value, + &conv_format, value); + /* and to final format */ + res &= gst_pad_convert (pad, + GST_FORMAT_TIME, *value, + format, value); + } + } + break; + } + default: + res = FALSE; + break; + } + break; + } + case GST_PAD_QUERY_POSITION: + { + switch (*format) { + case GST_FORMAT_DEFAULT: + *format = GST_FORMAT_TIME; + /* fallthrough */ + default: + res = gst_pad_convert (pad, + GST_FORMAT_TIME, swfdec->next_time, + format, value); + break; + } + break; + } + default: + res = FALSE; + break; + } + + return res; +} +#endif + +#if 0 +static gboolean +gst_swfdec_src_event (GstPad *pad, GstEvent *event) +{ + gboolean res = TRUE; + GstSwfdec *swfdec; + static const GstFormat formats[] = { GST_FORMAT_TIME, GST_FORMAT_BYTES }; +#define MAX_SEEK_FORMATS 1 /* we can only do time seeking for now */ + gint i; + + swfdec = GST_SWFDEC (gst_pad_get_parent (pad)); + + switch (GST_EVENT_TYPE (event)) { + /* the all-formats seek logic */ + case GST_EVENT_SEEK: + { + gint64 src_offset; + gboolean flush; + GstFormat format; + + format = GST_FORMAT_TIME; + + /* first bring the src_format to TIME */ + if (!gst_pad_convert (pad, + GST_EVENT_SEEK_FORMAT (event), GST_EVENT_SEEK_OFFSET (event), + &format, &src_offset)) + { + /* didn't work, probably unsupported seek format then */ + res = FALSE; + break; + } + + /* shave off the flush flag, we'll need it later */ + flush = GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH; + + /* assume the worst */ + res = FALSE; + + /* while we did not exhaust our seek formats without result */ + for (i = 0; i < MAX_SEEK_FORMATS && !res; i++) { + gint64 desired_offset; + + format = formats[i]; + + /* try to convert requested format to one we can seek with on the sinkpad */ + if (gst_pad_convert (swfdec->sinkpad, GST_FORMAT_TIME, src_offset, &format, &desired_offset)) + { + GstEvent *seek_event; + + /* conversion succeeded, create the seek */ + seek_event = gst_event_new_seek (formats[i] | GST_SEEK_METHOD_SET | flush, desired_offset); + /* do the seekk */ + if (gst_pad_send_event (GST_PAD_PEER (swfdec->sinkpad), seek_event)) { + /* seek worked, we're done, loop will exit */ + res = TRUE; + } + } + /* at this point, either the seek worked or res == FALSE */ + } + break; + } + default: + res = FALSE; + break; + } + gst_event_unref (event); + return res; +} +#endif + +static GstElementStateReturn +gst_swfdec_change_state (GstElement *element) +{ + GstSwfdec *swfdec = GST_SWFDEC (element); + + switch (GST_STATE_TRANSITION (element)) { + case GST_STATE_NULL_TO_READY: + break; + case GST_STATE_READY_TO_PAUSED: + { + //gst_swfdec_vo_open (swfdec); + //swf_init (swfdec->decoder, swfdec->accel, swfdec->vo); + + //swfdec->decoder->is_sequence_needed = 1; + //swfdec->decoder->frame_rate_code = 0; + swfdec->timestamp = 0; + swfdec->pool = NULL; + swfdec->closed = FALSE; + + /* reset the initial video state */ + swfdec->format = -1; + swfdec->width = -1; + swfdec->height = -1; + swfdec->first = TRUE; + break; + } + case GST_STATE_PAUSED_TO_PLAYING: + /* try to get a bufferpool */ +#if 0 + swfdec->pool = gst_pad_get_bufferpool (swfdec->videopad); + if (swfdec->pool) + GST_INFO (GST_CAT_PLUGIN_INFO, "got pool %p", swfdec->pool); +#endif + break; + case GST_STATE_PLAYING_TO_PAUSED: + /* need to clear things we get from other plugins, since we could be reconnected */ + if (swfdec->pool) { + gst_buffer_pool_unref (swfdec->pool); + swfdec->pool = NULL; + } + break; + case GST_STATE_PAUSED_TO_READY: + /* if we are not closed by an EOS event do so now, this cen send a few frames but + * we are prepared to not really send them (see above) */ + if (!swfdec->closed) { + /*swf_close (swfdec->decoder); */ + swfdec->closed = TRUE; + } + //gst_swfdec_vo_destroy (swfdec); + break; + case GST_STATE_READY_TO_NULL: + break; + default: + break; + } + + GST_ELEMENT_CLASS (parent_class)->change_state (element); + + return GST_STATE_SUCCESS; +} + +static void +gst_swfdec_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) +{ + GstSwfdec *src; + + /* it's not null if we got it, but it might not be ours */ + g_return_if_fail (GST_IS_SWFDEC (object)); + src = GST_SWFDEC (object); + + switch (prop_id) { + default: + break; + } +} + +static void +gst_swfdec_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) +{ + GstSwfdec *swfdec; + + /* it's not null if we got it, but it might not be ours */ + g_return_if_fail (GST_IS_SWFDEC (object)); + swfdec = GST_SWFDEC (object); + + switch (prop_id) { + case ARG_FRAME_RATE: + g_value_set_float (value, swfdec->frame_rate); + break; + default: + break; + } +} + +static GstCaps * +swf_type_find(GstBuffer *buf, gpointer private) +{ + gchar *data = GST_BUFFER_DATA(buf); + + if((data[0] != 'F' && data[0] != 'C') || + data[1] != 'W' || data[2] != 'S')return NULL; + + return gst_caps_new("swf_type_find","application/x-shockwave-flash", + NULL); +} + +static GstTypeDefinition swftype_definition = + { "swfdecode/x-shockwave-flash", "application/x-shockwave-flash", + ".swf .swfl", swf_type_find }; + +static gboolean +plugin_init (GModule *module, GstPlugin *plugin) +{ + GstElementFactory *factory; + GstTypeFactory *type; + + /* create an elementfactory for the swfdec element */ + factory = gst_element_factory_new("swfdec",GST_TYPE_SWFDEC, + &gst_swfdec_details); + g_return_val_if_fail(factory != NULL, FALSE); + gst_element_factory_set_rank (factory, GST_ELEMENT_RANK_PRIMARY); + + gst_element_factory_add_pad_template (factory, + GST_PAD_TEMPLATE_GET (video_template_factory)); + gst_element_factory_add_pad_template (factory, + GST_PAD_TEMPLATE_GET (audio_template_factory)); + gst_element_factory_add_pad_template (factory, + GST_PAD_TEMPLATE_GET (sink_template_factory)); + + gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory)); + + type = gst_type_factory_new(&swftype_definition); + gst_plugin_add_feature(plugin, GST_PLUGIN_FEATURE(type)); + + return TRUE; +} + +GstPluginDesc plugin_desc = { + GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "swfdec", + plugin_init +}; diff --git a/ext/swfdec/gstswfdec.h b/ext/swfdec/gstswfdec.h new file mode 100644 index 00000000..fe059389 --- /dev/null +++ b/ext/swfdec/gstswfdec.h @@ -0,0 +1,87 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + + +#ifndef __GST_SWFDEC_H__ +#define __GST_SWFDEC_H__ + + +#include <config.h> +#include <gst/gst.h> +#include <swf.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define GST_TYPE_SWFDEC \ + (gst_swfdec_get_type()) +#define GST_SWFDEC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SWFDEC,GstSwfdec)) +#define GST_SWFDEC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SWFDEC,GstSwfdec)) +#define GST_IS_SWFDEC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SWFDEC)) +#define GST_IS_SWFDEC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SWFDEC)) + +typedef struct _GstSwfdec GstSwfdec; +typedef struct _GstSwfdecClass GstSwfdecClass; + +struct _GstSwfdec { + GstElement element; + + /* pads */ + GstPad *sinkpad; + GstPad *videopad; + GstPad *audiopad; + GstBufferPool *pool; + + swf_state_t *state; + gboolean closed; + + /* the timestamp of the next frame */ + gboolean first; + + gint64 timestamp; + gint64 interval; + gdouble frame_rate; + + /* video state */ + gint format; + gint width; + gint height; + gint64 total_frames; + +}; + +struct _GstSwfdecClass { + GstElementClass parent_class; +}; + +GType gst_swfdec_get_type(void); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __GST_SWFDEC_H__ */ |