/* * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de> * * 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstgdkanimation.h" #include <unistd.h> GST_DEBUG_CATEGORY_STATIC (gst_gdk_animation_debug); #define GST_CAT_DEFAULT gst_gdk_animation_debug static void gst_gdk_animation_class_init (gpointer g_class, gpointer class_data); static void gst_gdk_animation_finalize (GObject * object); static gboolean gst_gdk_animation_is_static_image (GdkPixbufAnimation * animation); static GdkPixbuf *gst_gdk_animation_get_static_image (GdkPixbufAnimation * animation); static void gst_gdk_animation_get_size (GdkPixbufAnimation * anim, gint * width, gint * height); static GdkPixbufAnimationIter *gst_gdk_animation_get_iter (GdkPixbufAnimation * anim, const GTimeVal * start_time); static gpointer parent_class; GType gst_gdk_animation_get_type (void) { static GType object_type = 0; if (!object_type) { static const GTypeInfo object_info = { sizeof (GstGdkAnimationClass), NULL, NULL, gst_gdk_animation_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GstGdkAnimation), 0, /* n_preallocs */ NULL, }; object_type = g_type_register_static (GDK_TYPE_PIXBUF_ANIMATION, "GstGdkAnimation", &object_info, 0); GST_DEBUG_CATEGORY_INIT (gst_gdk_animation_debug, "gstloader_animation", 0, "GStreamer GdkPixbuf loader - GdkAnimation class"); } return object_type; } static void gst_gdk_animation_class_init (gpointer g_class, gpointer class_data) { GObjectClass *object_class = G_OBJECT_CLASS (g_class); GdkPixbufAnimationClass *anim_class = GDK_PIXBUF_ANIMATION_CLASS (g_class); parent_class = g_type_class_peek_parent (g_class); object_class->finalize = gst_gdk_animation_finalize; anim_class->is_static_image = gst_gdk_animation_is_static_image; anim_class->get_static_image = gst_gdk_animation_get_static_image; anim_class->get_size = gst_gdk_animation_get_size; anim_class->get_iter = gst_gdk_animation_get_iter; } static void gst_gdk_animation_finalize (GObject * object) { GstGdkAnimation *ani = GST_GDK_ANIMATION (object); if (ani->temp_fd) { close (ani->temp_fd); } if (ani->temp_location) { remove (ani->temp_location); g_free (ani->temp_location); } if (ani->pixbuf) { g_object_unref (ani->pixbuf); ani->pixbuf = NULL; } G_OBJECT_CLASS (parent_class)->finalize (object); } GstGdkAnimation * gst_gdk_animation_new (GError ** error) { GstGdkAnimation *ani = GST_GDK_ANIMATION (g_object_new (GST_TYPE_GDK_ANIMATION, NULL)); return ani; } gboolean gst_gdk_animation_add_data (GstGdkAnimation * ani, const guint8 * data, guint size) { return (write (ani->temp_fd, data, size) == size); } void gst_gdk_animation_done_adding (GstGdkAnimation * ani) { close (ani->temp_fd); ani->temp_fd = 0; } static gboolean gst_gdk_animation_is_static_image (GdkPixbufAnimation * animation) { return FALSE; } static void gst_gdk_animation_get_size (GdkPixbufAnimation * anim, gint * width, int *height) { GstGdkAnimation *ani = GST_GDK_ANIMATION (anim); GST_LOG_OBJECT (ani, "get_size called (%p, %p) %d x %d", width, height, ani->width, ani->height); if (width) *width = ani->width; if (height) *height = ani->height; } static void gst_gdk_animation_iter_class_init (gpointer g_class, gpointer class_data); static void gst_gdk_animation_iter_init (GTypeInstance * instance, gpointer g_class); static void gst_gdk_animation_iter_finalize (GObject * object); static gint gst_gdk_animation_iter_get_delay_time (GdkPixbufAnimationIter * iter); static GdkPixbuf *gst_gdk_animation_iter_get_pixbuf (GdkPixbufAnimationIter * iter); static gboolean gst_gdk_animation_iter_on_currently_loading_frame (GdkPixbufAnimationIter * iter); static gboolean gst_gdk_animation_iter_advance (GdkPixbufAnimationIter * iter, const GTimeVal * current_time); static gpointer iter_parent_class; GType gst_gdk_animation_iter_get_type (void) { static GType object_type = 0; if (!object_type) { static const GTypeInfo object_info = { sizeof (GstGdkAnimationIterClass), NULL, NULL, gst_gdk_animation_iter_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GstGdkAnimationIter), 0, /* n_preallocs */ gst_gdk_animation_iter_init, }; object_type = g_type_register_static (GDK_TYPE_PIXBUF_ANIMATION_ITER, "GdkPixbufAniAnimIter", &object_info, 0); } return object_type; } static void gst_gdk_animation_iter_class_init (gpointer g_class, gpointer class_data) { GObjectClass *object_class = G_OBJECT_CLASS (g_class); GdkPixbufAnimationIterClass *anim_iter_class = GDK_PIXBUF_ANIMATION_ITER_CLASS (g_class); iter_parent_class = g_type_class_peek_parent (g_class); object_class->finalize = gst_gdk_animation_iter_finalize; anim_iter_class->get_delay_time = gst_gdk_animation_iter_get_delay_time; anim_iter_class->get_pixbuf = gst_gdk_animation_iter_get_pixbuf; anim_iter_class->on_currently_loading_frame = gst_gdk_animation_iter_on_currently_loading_frame; anim_iter_class->advance = gst_gdk_animation_iter_advance; } static void gst_gdk_animation_iter_init (GTypeInstance * instance, gpointer g_class) { GstGdkAnimationIter *iter = GST_GDK_ANIMATION_ITER (instance); iter->buffers = g_queue_new (); iter->eos = FALSE; } static void gst_gdk_animation_iter_finalize (GObject * object) { GstGdkAnimationIter *iter = GST_GDK_ANIMATION_ITER (object); g_object_unref (iter->ani); if (iter->pipeline) g_object_unref (iter->pipeline); if (iter->pixbuf) g_object_unref (iter->pixbuf); while (iter->buffers) { GstBuffer *buffer = GST_BUFFER (g_queue_pop_head (iter->buffers)); if (buffer) { GST_LOG_OBJECT (iter, "unreffing buffer %p on finalize", buffer); gst_data_unref (GST_DATA (buffer)); } else { g_queue_free (iter->buffers); iter->buffers = NULL; } } G_OBJECT_CLASS (iter_parent_class)->finalize (object); } static void got_handoff (GstElement * fakesink, GstBuffer * buffer, GstPad * pad, GstGdkAnimationIter * iter) { GST_LOG_OBJECT (iter, "enqueing buffer %p (timestamp %" G_GUINT64_FORMAT ")", buffer, GST_BUFFER_TIMESTAMP (buffer)); gst_data_ref (GST_DATA (buffer)); g_queue_push_tail (iter->buffers, buffer); } static gboolean gst_gdk_animation_iter_create_pipeline (GstGdkAnimationIter * iter) { GstElement *src, *typefind, *autoplugger, *sink, *colorspace; GstCaps *caps = GST_CAPS_NEW ("pixbuf_filter32", "video/x-raw-rgb", "endianness", GST_PROPS_INT (G_BIG_ENDIAN), "bpp", GST_PROPS_INT (32), "red_mask", GST_PROPS_INT (0xFF000000), "green_mask", GST_PROPS_INT (0x00FF0000), "blue_mask", GST_PROPS_INT (0x0000FF00) ); gst_caps_append (caps, GST_CAPS_NEW ("pixbuf_filter24", "video/x-raw-rgb", "endianness", GST_PROPS_INT (G_BIG_ENDIAN), "bpp", GST_PROPS_INT (24), "red_mask", GST_PROPS_INT (0xFF0000), "green_mask", GST_PROPS_INT (0x00FF00), "blue_mask", GST_PROPS_INT (0x0000FF) )); iter->pipeline = gst_element_factory_make ("pipeline", "main_pipeline"); if (iter->pipeline == NULL) return FALSE; if (!(src = gst_element_factory_make ("filesrc", "source"))) goto error; gst_bin_add (GST_BIN (iter->pipeline), src); if (iter->ani->temp_location) { g_object_set (src, "location", iter->ani->temp_location, NULL); GST_INFO_OBJECT (iter, "using file '%s'", iter->ani->temp_location); } else { gchar *filename = g_strdup_printf ("/proc/self/fd/%d", iter->ani->temp_fd); g_object_set (src, "location", filename, NULL); GST_INFO_OBJECT (iter, "using file '%s'", filename); g_free (filename); } /* add typefind for correct typefinding */ if ((typefind = gst_element_factory_make ("typefind", "typefind"))) { gst_bin_add (GST_BIN (iter->pipeline), typefind); if (!gst_element_link (src, typefind)) goto error; } if (!(autoplugger = gst_element_factory_make ("spider", "autoplugger"))) goto error; gst_bin_add (GST_BIN (iter->pipeline), autoplugger); if (!gst_element_link (typefind, autoplugger)) goto error; /* try ffcolorspace if available so we get svq1, too */ colorspace = gst_element_factory_make ("ffcolorspace", "ffcolorspace"); if (!colorspace) colorspace = gst_element_factory_make ("colorspace", "colorspace"); if (!colorspace) goto error; gst_bin_add (GST_BIN (iter->pipeline), colorspace); if (!gst_element_link (autoplugger, colorspace)) goto error; if (!(sink = gst_element_factory_make ("fakesink", "sink"))) goto error; g_object_set (sink, "signal-handoffs", TRUE, NULL); g_signal_connect (sink, "handoff", (GCallback) got_handoff, iter); gst_bin_add (GST_BIN (iter->pipeline), sink); if (!gst_element_link_filtered (colorspace, sink, caps)) goto error; if (gst_element_set_state (iter->pipeline, GST_STATE_PLAYING) != GST_STATE_CHANGE_SUCCESS) goto error; return TRUE; error: g_object_unref (iter->pipeline); iter->pipeline = NULL; return FALSE; } static gboolean gst_gdk_animation_iter_may_advance (GstGdkAnimationIter * iter) { GstFormat bytes = GST_FORMAT_BYTES; gint64 offset; gint64 data_amount; if (iter->ani->temp_fd == 0 || iter->ani->temp_location == NULL) return TRUE; data_amount = lseek (iter->ani->temp_fd, 0, SEEK_CUR); g_assert (data_amount >= 0); if (!gst_element_query (gst_bin_get_by_name (GST_BIN (iter->pipeline), "source"), GST_QUERY_POSITION, &bytes, &offset)) g_assert_not_reached (); if (data_amount - offset > GST_GDK_BUFFER_SIZE) return TRUE; return FALSE; } static gboolean gst_gdk_animation_get_more_buffers (GstGdkAnimationIter * iter) { GstBuffer *last = g_queue_peek_tail (iter->buffers); do { GST_LOG_OBJECT (iter, "iterating..."); if (!gst_gdk_animation_iter_may_advance (iter)) { GST_LOG_OBJECT (iter, "no more data available"); break; } if (!gst_bin_iterate (GST_BIN (iter->pipeline))) { GST_LOG_OBJECT (iter, "iterating done, setting EOS"); iter->eos = TRUE; break; } } while (last == g_queue_peek_tail (iter->buffers)); return last != g_queue_peek_tail (iter->buffers); } static void pixbuf_destroy_notify (guchar * pixels, gpointer data) { GST_LOG ("unreffing buffer %p because pixbuf was destroyed", data); gst_data_unref (GST_DATA (data)); } static void gst_gdk_animation_iter_create_pixbuf (GstGdkAnimationIter * iter) { GstBuffer *buf; GstGdkAnimation *ani = iter->ani; buf = g_queue_pop_head (iter->buffers); g_assert (buf); if (iter->pixbuf) { GST_LOG_OBJECT (iter, "unreffing pixbuf %p", iter->pixbuf); g_object_unref (iter->pixbuf); } if (ani->width == 0) { GstPad *pad; GstCaps *caps; GstElement *fakesink = gst_bin_get_by_name (GST_BIN (iter->pipeline), "sink"); g_assert (fakesink); pad = gst_element_get_pad (fakesink, "sink"); g_assert (pad); caps = gst_pad_get_negotiated_caps (pad); g_assert (caps); g_assert (GST_CAPS_IS_FIXED (caps)); g_assert (gst_caps_has_fixed_property (caps, "bpp") && gst_caps_has_fixed_property (caps, "width") && gst_caps_has_fixed_property (caps, "height")); gst_caps_get_int (caps, "width", &ani->width); gst_caps_get_int (caps, "height", &ani->height); gst_caps_get_int (caps, "bpp", &ani->bpp); GST_DEBUG_OBJECT (ani, "found format (width %d, height %d, bpp %d)", ani->width, ani->height, ani->bpp); } g_assert (GST_BUFFER_SIZE (buf) == ani->width * ani->height * ani->bpp / 8); if (ani->bpp == 32) { gint i; guint32 *data = (guint32 *) GST_BUFFER_DATA (buf); /* ensure opacity */ for (i = 0; i < ani->width * ani->height; i++) { data[i] |= 0xFF000000; } } iter->pixbuf = gdk_pixbuf_new_from_data (GST_BUFFER_DATA (buf), GDK_COLORSPACE_RGB, ani->bpp == 32, 8, ani->width, ani->height, ani->width * ani->bpp / 8, pixbuf_destroy_notify, buf); GST_LOG_OBJECT (iter, "created pixbuf %p from buffer %p (refcount %d)", iter->pixbuf, buf, GST_DATA_REFCOUNT_VALUE (buf)); } static GdkPixbufAnimationIter * gst_gdk_animation_get_iter (GdkPixbufAnimation * anim, const GTimeVal * start_time) { GstGdkAnimation *ani = GST_GDK_ANIMATION (anim); GstGdkAnimationIter *iter; if (ani->temp_fd != 0 && ani->temp_location != NULL && lseek (ani->temp_fd, 0, SEEK_CUR) < GST_GDK_BUFFER_SIZE) { GST_DEBUG_OBJECT (ani, "Not enough data to create iterator."); return NULL; } iter = g_object_new (GST_TYPE_GDK_ANIMATION_ITER, NULL); iter->start = *start_time; iter->ani = ani; g_object_ref (ani); if (!gst_gdk_animation_iter_create_pipeline (iter)) goto error; if (!gst_gdk_animation_get_more_buffers (iter)) goto error; gst_gdk_animation_iter_create_pixbuf (iter); return GDK_PIXBUF_ANIMATION_ITER (iter); error: g_object_unref (iter); return NULL; } static gboolean gst_gdk_animation_iter_advance (GdkPixbufAnimationIter * anim_iter, const GTimeVal * current_time) { GstClockTime offset; GstBuffer *buffer = NULL; GstGdkAnimationIter *iter = GST_GDK_ANIMATION_ITER (anim_iter); /* compute timestamp that next buffer must match */ offset = ((GstClockTime) current_time->tv_sec - iter->start.tv_sec) * GST_SECOND; if (iter->start.tv_usec > current_time->tv_usec) { offset -= ((GstClockTime) iter->start.tv_usec - current_time->tv_usec) * GST_SECOND / G_USEC_PER_SEC; } else { offset += ((GstClockTime) current_time->tv_usec - iter->start.tv_usec) * GST_SECOND / G_USEC_PER_SEC; } GST_DEBUG_OBJECT (iter, "advancing to %ld:%ld (started at %ld:%ld) need offset %" G_GUINT64_FORMAT, current_time->tv_sec, current_time->tv_usec, iter->start.tv_sec, iter->start.tv_usec, offset); if (!iter->just_seeked && offset - iter->last_timestamp > GST_GDK_MAX_DELAY_TO_SEEK) { GST_INFO_OBJECT (iter, "current pipeline timestamp is too old (%" G_GUINT64_FORMAT " vs %" G_GUINT64_FORMAT "), seeking there", iter->last_timestamp, offset); if (gst_element_send_event (gst_bin_get_by_name (GST_BIN (iter->pipeline), "sink"), gst_event_new_seek (GST_FORMAT_TIME | GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, offset))) { iter->last_timestamp = offset; iter->just_seeked = TRUE; } else { GST_WARNING_OBJECT (iter, "seek to %" G_GUINT64_FORMAT " didn't work. Iterating there...", offset); } } else if (iter->just_seeked) { iter->just_seeked = FALSE; } while (TRUE) { if (g_queue_is_empty (iter->buffers)) { if (iter->eos) return FALSE; if (gst_gdk_animation_get_more_buffers (iter)) continue; break; } if (GST_BUFFER_TIMESTAMP (g_queue_peek_head (iter->buffers)) > offset) break; if (buffer) { GST_LOG_OBJECT (iter, "unreffing buffer %p, because timestamp too low (%" G_GUINT64_FORMAT " vs %" G_GUINT64_FORMAT ")", buffer, GST_BUFFER_TIMESTAMP (buffer), offset); gst_data_unref (GST_DATA (buffer)); } buffer = GST_BUFFER (g_queue_pop_head (iter->buffers)); } if (!buffer) return FALSE; if (GST_BUFFER_TIMESTAMP (buffer) < iter->last_timestamp) { gst_data_unref (GST_DATA (buffer)); iter->last_timestamp = offset; return FALSE; } iter->last_timestamp = GST_BUFFER_TIMESTAMP (buffer); g_queue_push_head (iter->buffers, buffer); gst_gdk_animation_iter_create_pixbuf (iter); return TRUE; } static gint gst_gdk_animation_iter_get_delay_time (GdkPixbufAnimationIter * anim_iter) { gint delay; GstGdkAnimationIter *iter = GST_GDK_ANIMATION_ITER (anim_iter); while (g_queue_is_empty (iter->buffers)) { if (iter->eos) { GST_LOG_OBJECT (iter, "returning delay of infinite, we're EOS"); return -1; } if (!gst_gdk_animation_get_more_buffers (iter)) return -1; /* FIXME? */ } delay = (GST_BUFFER_TIMESTAMP (g_queue_peek_head (iter->buffers)) - iter->last_timestamp) * 1000 / GST_SECOND; GST_LOG_OBJECT (iter, "returning delay of %d ms", delay); return delay; } GdkPixbuf * gst_gdk_animation_iter_get_pixbuf (GdkPixbufAnimationIter * anim_iter) { GstGdkAnimationIter *iter = GST_GDK_ANIMATION_ITER (anim_iter); GST_LOG_OBJECT (iter, "returning pixbuf %p", iter->pixbuf); return iter->pixbuf; } static gboolean gst_gdk_animation_iter_on_currently_loading_frame (GdkPixbufAnimationIter * anim_iter) { GstGdkAnimationIter *iter = GST_GDK_ANIMATION_ITER (anim_iter); /* EOS - last frame */ if (iter->eos && g_queue_is_empty (iter->buffers)) return TRUE; /* can't load more frames */ if (!gst_gdk_animation_iter_may_advance (iter)) return FALSE; return TRUE; } static GdkPixbuf * gst_gdk_animation_get_static_image (GdkPixbufAnimation * animation) { GstGdkAnimation *ani = GST_GDK_ANIMATION (animation); GTimeVal tv; GstGdkAnimationIter *iter; if (!ani->pixbuf) { GST_LOG_OBJECT (ani, "trying to create pixbuf"); g_get_current_time (&tv); iter = GST_GDK_ANIMATION_ITER (gdk_pixbuf_animation_get_iter (animation, &tv)); if (iter) { guint64 offset; GstBuffer *buf; GstFormat time = GST_FORMAT_TIME; if (!gst_element_query (gst_bin_get_by_name (GST_BIN (iter->pipeline), "sink"), GST_QUERY_TOTAL, &time, &offset)) { offset = 0; } if (offset > 120 * GST_SECOND) { offset = 120 * GST_SECOND; } else if (offset < 120 * GST_SECOND && offset >= 10 * GST_SECOND) { offset = offset / 2; } g_assert (time == GST_FORMAT_TIME); GST_LOG_OBJECT (ani, "using time offset %" G_GUINT64_FORMAT " for creating static image", offset); while ((buf = g_queue_pop_head (iter->buffers)) != NULL) { gst_data_unref (GST_DATA (buf)); } /* now we do evil stuff, be sure to get rid of the iterator afterwards */ if (!gst_element_send_event (gst_bin_get_by_name (GST_BIN (iter-> pipeline), "sink"), gst_event_new_seek (GST_FORMAT_TIME | GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, offset))) { GST_INFO_OBJECT (ani, "seeking didn't work. Using next image"); } do { if (g_queue_is_empty (iter->buffers)) { if (iter->eos) return FALSE; if (gst_gdk_animation_get_more_buffers (iter)) continue; } } while (FALSE); if (!g_queue_is_empty (iter->buffers)) { gst_gdk_animation_iter_create_pixbuf (iter); ani->pixbuf = gst_gdk_animation_iter_get_pixbuf (GDK_PIXBUF_ANIMATION_ITER (iter)); g_object_ref (ani->pixbuf); } else { g_assert (ani->pixbuf == NULL); } /* DiE iterator, DiE */ g_object_unref (iter); } else { GST_DEBUG_OBJECT (ani, "Could not get an iterator. No pixbuf available"); } } GST_LOG_OBJECT (ani, "Returning pixbuf %p\n", ani->pixbuf); return ani->pixbuf; }