Mercurial > sdl-ios-xcode

comparison src/audio/macrom/SDL_romaudio.c @ 2004:c27292a690b7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Mac OS 9 support for int32/float32.
author Ryan C. Gordon <icculus@icculus.org>
date Fri, 01 Sep 2006 06:01:03 +0000
parents c121d94672cb
children 5f6550e5184f 8225ef1f4dee
comparison
equal deleted inserted replaced
2003:506851d3efa4 2004:c27292a690b7
236 spec->format = AUDIO_S16LSB; 236 spec->format = AUDIO_S16LSB;
237 break; 237 break;
238 case AUDIO_U16MSB: 238 case AUDIO_U16MSB:
239 spec->format = AUDIO_S16MSB; 239 spec->format = AUDIO_S16MSB;
240 break; 240 break;
241 case AUDIO_F32LSB:
242 spec->format = AUDIO_F32MSB;
243 break;
241 } 244 }
242 SDL_CalculateAudioSpec(spec); 245 SDL_CalculateAudioSpec(spec);
243 246
244 /* initialize bufferCmd header */ 247 /* initialize bufferCmd header */
245 memset(&header, 0, sizeof(header)); 248 memset(&header, 0, sizeof(header));
257 header.sampleRate = spec->freq << 16; 260 header.sampleRate = spec->freq << 16;
258 header.numFrames = spec->samples; 261 header.numFrames = spec->samples;
259 header.encode = cmpSH; 262 header.encode = cmpSH;
260 263
261 /* Note that we install the 16bitLittleEndian Converter if needed. */ 264 /* Note that we install the 16bitLittleEndian Converter if needed. */
262 if (spec->format == 0x8010) { 265 if (spec->format == AUDIO_S16LSB) {
263 header.compressionID = fixedCompression; 266 header.compressionID = fixedCompression;
264 header.format = k16BitLittleEndianFormat; 267 header.format = k16BitLittleEndianFormat;
268 } else if (spec->format == AUDIO_S32MSB) {
269 header.compressionID = fixedCompression;
270 header.format = k32BitFormat;
271 } else if (spec->format == AUDIO_S32LSB) {
272 header.compressionID = fixedCompression;
273 header.format = k32BitLittleEndianFormat;
274 } else if (spec->format == AUDIO_F32MSB) {
275 header.compressionID = fixedCompression;
276 header.format = kFloat32Format;
265 } 277 }
266 278
267 /* allocate 2 buffers */ 279 /* allocate 2 buffers */
268 for (i = 0; i < 2; i++) { 280 for (i = 0; i < 2; i++) {
269 buffer[i] = (UInt8 *) malloc(sizeof(UInt8) * spec->size); 281 buffer[i] = (UInt8 *) malloc(sizeof(UInt8) * spec->size);