ref: 1f7b88ee8623ae809d1ce1cfef188488876fcfa5
parent: 2e937b74d3d5f044c77200b8c3ee0a0b4f487571
author: Sam Leitch <sam.leitch@calgaryscientific.com>
date: Mon Jan 13 09:04:11 EST 2014
Checkpoint JS decoder class.
--- a/js/h264bsd.js
+++ b/js/h264bsd.js
@@ -39,6 +39,36 @@
H264Decoder.h264bsdFree(this.Module, this.pStorage);
}
+H264Decoder.prototype.decode = function(data) {+ if(data === undefined || !(data instanceof DataView)) {+ throw new Error("data must be a DataView instance")+ }
+
+ if(!(data instanceof Uint8Array)) {+ data = Uint8Array(data);
+ }
+
+ var heapOffset = 0;
+ var allocedPtr = 0;
+
+ if(data.buffer === Module.HEAPU8.buffer) {+ heapOffset = data.byteOffset;
+ } else {+ heapOffset = allocedPtr = H264Decoder.malloc(this.Module, data.byteLength);
+ this.Module.HEAPU8.set(data, heapOffset);
+ }
+
+ var len = byteLength;
+ var offset = heapOffset;
+ while(len > 0) {+ // TODO: Do the decode and return data here
+ }
+
+ if(allocedPtr != 0) {+ H264Decoder.free(this.Module, allocedPtr);
+ }
+}
+
H264Decoder.RDY = 0;
H264Decoder.PIC_RDY = 1;
H264Decoder.HDRS_RDY = 2;
@@ -103,4 +133,19 @@
// u32 h264bsdCheckValidParamSets(storage_t *pStorage);
H264Decoder.h264bsdCheckValidParamSets = function(Module, pStorage){ return Module.ccall('_h264bsdCheckValidParamSets', number, [number], [pStorage]);+}
+
+// void* malloc(size_t size);
+H264Decoder.malloc = function(Module, size){+ return Module.ccall('_malloc', number, [number], [size]);+}
+
+// void free(void* ptr);
+H264Decoder.free = function(Module, ptr){+ return Module.ccall('_free', null, [number], [ptr]);+}
+
+// void* memcpy(void* dest, void* src, size_t size);
+H264Decoder.memcpy = function(Module, length){+ return Module.ccall('_malloc', number, [number, number, number], [dest, src, size]);}