diff options
-rw-r--r-- | src/libspuhdmv/xine_hdmv_decoder.c | 324 |
1 files changed, 188 insertions, 136 deletions
diff --git a/src/libspuhdmv/xine_hdmv_decoder.c b/src/libspuhdmv/xine_hdmv_decoder.c index 358cb0b72..ba4487bf6 100644 --- a/src/libspuhdmv/xine_hdmv_decoder.c +++ b/src/libspuhdmv/xine_hdmv_decoder.c @@ -47,7 +47,7 @@ #define TRACE(x...) printf(x) /*#define TRACE(x...) */ -#define ERROR(x...) fprintf(stderr, x) +#define ERROR(x...) fprintf(stderr, "spuhdmv: " x) /*#define ERROR(x...) lprintf(x) */ /* @@ -59,6 +59,8 @@ struct subtitle_clut_s { uint32_t color[256]; uint8_t trans[256]; subtitle_clut_t *next; + + int shown; }; /* @@ -74,11 +76,15 @@ struct subtitle_object_s { uint num_rle; size_t data_size; +#if 0 uint8_t *raw_data; /* partial RLE data in HDMV format */ size_t raw_data_len; size_t raw_data_size; +#endif subtitle_object_t *next; + + int shown; }; /* @@ -91,6 +97,8 @@ struct window_def_s { uint16_t width, height; window_def_t *next; + + int shown; }; @@ -110,9 +118,79 @@ struct composition_object_s { uint16_t crop_width, crop_height; composition_object_t *next; + + int shown; +}; + +typedef struct composition_descriptor_s composition_descriptor_t; +struct composition_descriptor_s { + uint16_t number; + uint8_t state; +}; + +typedef struct presentation_segment_s presentation_segment_t; +struct presentation_segment_s { + composition_descriptor_t comp_descr; + + uint8_t palette_update_flag; + uint8_t palette_id_ref; + uint8_t object_number; + + composition_object_t *comp_objs; + + presentation_segment_t *next; + + int64_t pts; + int shown; }; /* + * list handling + */ + +#define LIST_REPLACE(list, obj, FREE_FUNC) \ + do { \ + uint id = obj->id; \ + \ + /* insert to list */ \ + obj->next = list; \ + list = obj; \ + \ + /* remove old */ \ + while (obj->next && obj->next->id != id) \ + obj = obj->next; \ + if (obj->next) { \ + void *tmp = (void*)obj->next; \ + obj->next = obj->next->next; \ + FREE_FUNC(tmp); \ + } \ + } while (0); + +#define LIST_DESTROY(list, FREE_FUNC) \ + while (list) { \ + void *tmp = (void*)list; \ + list = list->next; \ + FREE_FUNC(tmp); \ + } + +static void free_subtitle_object(void *ptr) +{ + if (ptr) { + free(((subtitle_object_t*)ptr)->rle); + free(ptr); + } +} +static void free_presentation_segment(void *ptr) +{ + if (ptr) { + presentation_segment_t *seg = (presentation_segment_t*)ptr; + LIST_DESTROY(seg->comp_objs, free); + free(ptr); + } +} + + +/* * segment_buffer_t * * assemble and decode segments @@ -397,14 +475,14 @@ static subtitle_object_t *segbuf_decode_object(segment_buffer_t *buf) segbuf_decode_rle (buf, obj); if (buf->error) { - free(obj); + free_subtitle_object(obj); return NULL; } } else { ERROR(" TODO: APPEND RLE, length %d bytes\n", buf->segment_len - 4); /* TODO */ - free(obj); + free_subtitle_object(obj); return NULL; } @@ -443,12 +521,6 @@ static int segbuf_decode_video_descriptor(segment_buffer_t *buf) return buf->error; } -typedef struct composition_descriptor_s composition_descriptor_t; -struct composition_descriptor_s { - uint16_t number; - uint8_t state; -}; - static int segbuf_decode_composition_descriptor(segment_buffer_t *buf, composition_descriptor_t *descr) { descr->number = segbuf_get_u16(buf); @@ -490,9 +562,38 @@ static composition_object_t *segbuf_decode_composition_object(segment_buffer_t * return cobj; } +static presentation_segment_t *segbuf_decode_presentation_segment(segment_buffer_t *buf) +{ + presentation_segment_t *seg = calloc(1, sizeof(presentation_segment_t)); + int index; + + segbuf_decode_video_descriptor (buf); + segbuf_decode_composition_descriptor (buf, &seg->comp_descr); + + seg->palette_update_flag = !!((segbuf_get_u8(buf)) & 0x80); + seg->palette_id_ref = segbuf_get_u8 (buf); + seg->object_number = segbuf_get_u8 (buf); + + TRACE(" presentation_segment: object_number %d, palette %d\n", + seg->object_number, seg->palette_id_ref); + + for (index = 0; index < seg->object_number; index++) { + composition_object_t *cobj = segbuf_decode_composition_object (buf); + cobj->next = seg->comp_objs; + seg->comp_objs = cobj; + } + + if (buf->error) { + free_presentation_segment(seg); + return NULL; + } + + return seg; +} + static rle_elem_t *copy_crop_rle(subtitle_object_t *obj, composition_object_t *cobj) { - /* TODO: exec cropping here (w,h sized image from pos x,y) */ + /* TODO: cropping (w,h sized image from pos x,y) */ rle_elem_t *rle = calloc (obj->num_rle, sizeof(rle_elem_t)); memcpy (rle, obj->rle, obj->num_rle * sizeof(rle_elem_t)); @@ -516,57 +617,17 @@ typedef struct spuhdmv_decoder_s { segment_buffer_t *buf; - subtitle_clut_t *cluts; - subtitle_object_t *objects; - window_def_t *windows; + subtitle_clut_t *cluts; + subtitle_object_t *objects; + window_def_t *windows; + presentation_segment_t *segments; + int overlay_handles[MAX_OBJECTS]; int64_t pts; } spuhdmv_decoder_t; -#define LIST_REPLACE_OLD(type, list, obj) \ - do { \ - /* insert to list */ \ - obj->next = list; \ - list = obj; \ -\ - /* remove old */ \ - type *i = list; \ - while (i->next && i->next->id != obj->id) \ - i = i->next; \ - if (i->next) { \ - void *tmp = (void*)i->next; \ - i->next = i->next->next; \ - free(tmp); \ - } \ - } while (0); - -#define LIST_REPLACE(list, obj) \ - do { \ - uint id = obj->id; \ - \ - /* insert to list */ \ - obj->next = list; \ - list = obj; \ - \ - /* remove old */ \ - while (obj->next && obj->next->id != id) \ - obj = obj->next; \ - if (obj->next) { \ - void *tmp = (void*)obj->next; \ - obj->next = obj->next->next; \ - free(tmp); \ - } \ - } while (0); - -#define LIST_DESTROY(list) \ - while (list) { \ - void *tmp = (void*)list; \ - list = list->next; \ - free (tmp); \ - } - static int decode_palette(spuhdmv_decoder_t *this) { /* decode */ @@ -574,7 +635,7 @@ static int decode_palette(spuhdmv_decoder_t *this) if (!clut) return 1; - LIST_REPLACE (this->cluts, clut); + LIST_REPLACE (this->cluts, clut, free); return 0; } @@ -586,7 +647,7 @@ static int decode_object(spuhdmv_decoder_t *this) if (!obj) return 1; - LIST_REPLACE (this->objects, obj); + LIST_REPLACE (this->objects, obj, free_subtitle_object); return 0; } @@ -598,13 +659,30 @@ static int decode_window_definition(spuhdmv_decoder_t *this) if (!wnd) return 1; - LIST_REPLACE (this->windows, wnd); + LIST_REPLACE (this->windows, wnd, free); + + return 0; +} + +static int decode_presentation_segment(spuhdmv_decoder_t *this) +{ + /* decode */ + presentation_segment_t *seg = segbuf_decode_presentation_segment(this->buf); + if (!seg) + return 1; + + seg->pts = this->pts; + + /* replace */ + if (this->segments) + LIST_DESTROY(this->segments, free_presentation_segment); + this->segments = seg; return 0; } static int show_overlay(spuhdmv_decoder_t *this, composition_object_t *cobj, uint palette_id_ref, - int overlay_index, int64_t pts) + int overlay_index, int64_t pts, int force_update) { video_overlay_manager_t *ovl_manager = this->stream->video_out->get_overlay_manager(this->stream->video_out); metronom_t *metronom = this->stream->metronom; @@ -616,21 +694,16 @@ static int show_overlay(spuhdmv_decoder_t *this, composition_object_t *cobj, uin while (clut && clut->id != palette_id_ref) clut = clut->next; if (!clut) { - ERROR(" fill_overlay: clut %d not found !\n", palette_id_ref); + TRACE(" show_overlay: clut %d not found !\n", palette_id_ref); return -1; } - /* copy palette to xine overlay */ - overlay.rgb_clut = 0; - memcpy(overlay.color, clut->color, sizeof(uint32_t) * 256); - memcpy(overlay.trans, clut->trans, sizeof(uint8_t) * 256); - /* find RLE image */ subtitle_object_t *obj = this->objects; while (obj && obj->id != cobj->object_id_ref) obj = obj->next; if (!obj) { - ERROR(" fill_overlay: object %d not found !\n", cobj->object_id_ref); + TRACE(" show_overlay: object %d not found !\n", cobj->object_id_ref); return -1; } @@ -639,10 +712,20 @@ static int show_overlay(spuhdmv_decoder_t *this, composition_object_t *cobj, uin while (wnd && wnd->id != cobj->window_id_ref) wnd = wnd->next; if (!wnd) { - ERROR(" fill_overlay: window %d not found !\n", cobj->window_id_ref); + TRACE(" show_overlay: window %d not found !\n", cobj->window_id_ref); return -1; } + /* do not show again if all elements are unchanged */ + if (!force_update && clut->shown && obj->shown && wnd->shown && cobj->shown) + return 0; + clut->shown = obj->shown = wnd->shown = cobj->shown = 1; + + /* copy palette to xine overlay */ + overlay.rgb_clut = 0; + memcpy(overlay.color, clut->color, sizeof(uint32_t) * 256); + memcpy(overlay.trans, clut->trans, sizeof(uint8_t) * 256); + /* copy and crop RLE image to xine overlay */ overlay.width = obj->width; overlay.height = obj->height; @@ -688,41 +771,9 @@ static int show_overlay(spuhdmv_decoder_t *this, composition_object_t *cobj, uin ovl_manager->add_event (ovl_manager, (void *)&event); - obj->rle = NULL; - return 0; } -typedef struct presentation_segment_s presentation_segment_t; -struct presentation_segment_s { - composition_descriptor_t comp_descr; - - uint8_t palette_update_flag; - uint8_t palette_id_ref; - uint8_t object_number; - - composition_object_t *comp_objs; - - presentation_segment_t *next; - - int64_t pts; -}; - -static void show_overlays(spuhdmv_decoder_t *this, presentation_segment_t *pseg) -{ - composition_object_t *cobj = pseg->comp_objs; - int i; - - for (i = 0; i < pseg->object_number; i++) { - if (!cobj) { - ERROR("show_overlays: composition object %d missing !\n", i); - } else { - show_overlay(this, cobj, pseg->palette_id_ref, i, pseg->pts); - cobj = cobj->next; - } - } -} - static void hide_overlays(spuhdmv_decoder_t *this, int64_t pts) { video_overlay_event_t event = {0}; @@ -748,38 +799,46 @@ static void hide_overlays(spuhdmv_decoder_t *this, int64_t pts) } } -static int decode_presentation_segment(spuhdmv_decoder_t *this) +static void update_overlays(spuhdmv_decoder_t *this) { - presentation_segment_t p = {}; - segment_buffer_t *buf = this->buf; - int index; + presentation_segment_t *pseg = this->segments; - segbuf_decode_video_descriptor (this->buf); - segbuf_decode_composition_descriptor (this->buf, &p.comp_descr); + while (pseg) { - p.palette_update_flag = !!((segbuf_get_u8(buf)) & 0x80); - p.palette_id_ref = segbuf_get_u8 (buf); - p.object_number = segbuf_get_u8 (buf); + if (!pseg->comp_descr.state) { - TRACE(" presentation_segment: object_number %d, palette %d\n", - p.object_number, p.palette_id_ref); + /* HIDE */ + if (!pseg->shown) + hide_overlays (this, pseg->pts); - p.pts = this->pts; /* !! todo - use it ? */ + } else { - for (index = 0; index < p.object_number; index++) { - composition_object_t *cobj = segbuf_decode_composition_object (this->buf); - cobj->next = p.comp_objs; - p.comp_objs = cobj; - } + /* SHOW */ + composition_object_t *cobj = pseg->comp_objs; + int i; + + for (i = 0; i < pseg->object_number; i++) { + if (!cobj) { + ERROR("show_overlays: composition object %d missing !\n", i); + } else { + show_overlay(this, cobj, pseg->palette_id_ref, i, pseg->pts, !pseg->shown); + cobj = cobj->next; + } + } + } - if (!p.comp_descr.state) { - hide_overlays (this, this->pts); - } else { - show_overlays (this, &p); - LIST_DESTROY (p.comp_objs); + pseg->shown = 1; + + pseg = pseg->next; } +} - return buf->error; +static void free_objs(spuhdmv_decoder_t *this) +{ + LIST_DESTROY (this->cluts, free); + LIST_DESTROY (this->objects, free_subtitle_object); + LIST_DESTROY (this->windows, free); + LIST_DESTROY (this->segments, free_presentation_segment); } static void decode_segment(spuhdmv_decoder_t *this) @@ -809,13 +868,8 @@ static void decode_segment(spuhdmv_decoder_t *this) break; case 0x80: TRACE(" segment: END OF DISPLAY\n"); - { - int64_t pts = xine_get_current_vpts(this->stream) - - this->stream->metronom->get_option(this->stream->metronom, - METRONOM_VPTS_OFFSET); - TRACE(" * current pts = %ld\n", pts); - } - + /* drop all cached objects */ + free_objs(this); break; default: ERROR(" segment type 0x%x unknown, skipping\n", this->buf->segment_type); @@ -824,11 +878,13 @@ static void decode_segment(spuhdmv_decoder_t *this) if (this->buf->error) { ERROR("*** DECODE ERROR ***\n"); } + + update_overlays (this); } static void close_osd(spuhdmv_decoder_t *this) { - video_overlay_manager_t *ovl_manager = this->stream->video_out->get_overlay_manager (this->stream->video_out); + video_overlay_manager_t *ovl_manager = this->stream->video_out->get_overlay_manager (this->stream->video_out); int i = 0; while (this->overlay_handles[i] >= 0) { @@ -873,9 +929,7 @@ static void spudec_reset (spu_decoder_t * this_gen) if (this->buf) segbuf_reset(this->buf); - LIST_DESTROY (this->cluts); - LIST_DESTROY (this->objects); - LIST_DESTROY (this->windows); + free_objs(this); close_osd(this); } @@ -894,9 +948,7 @@ static void spudec_dispose (spu_decoder_t *this_gen) close_osd (this); segbuf_dispose (this->buf); - LIST_DESTROY (this->cluts); - LIST_DESTROY (this->objects); - LIST_DESTROY (this->windows); + free_objs(this); free (this); } |