38 #define PES_PRIVATE_STREAM_1 0xbd  /* PES: private_stream_1 */
52 	0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0,
53 	0x30, 0xB0, 0x70, 0xF0, 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
54 	0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, 0x04, 0x84, 0x44, 0xC4,
55 	0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
56 	0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC,
57 	0x3C, 0xBC, 0x7C, 0xFC, 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,
58 	0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2, 0x0A, 0x8A, 0x4A, 0xCA,
59 	0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
60 	0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6,
61 	0x36, 0xB6, 0x76, 0xF6, 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,
62 	0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE, 0x01, 0x81, 0x41, 0xC1,
63 	0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
64 	0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9,
65 	0x39, 0xB9, 0x79, 0xF9, 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
66 	0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5, 0x0D, 0x8D, 0x4D, 0xCD,
67 	0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
68 	0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3,
69 	0x33, 0xB3, 0x73, 0xF3, 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
70 	0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB, 0x07, 0x87, 0x47, 0xC7,
71 	0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
72 	0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF,
73 	0x3F, 0xBF, 0x7F, 0xFF,
165 static void vidtv_s302m_access_unit_destroy(struct vidtv_encoder *e)  in vidtv_s302m_access_unit_destroy()  argument
167 	struct vidtv_access_unit *head = e->access_units;  in vidtv_s302m_access_unit_destroy()
176 	e->access_units = NULL;  in vidtv_s302m_access_unit_destroy()
179 static void vidtv_s302m_alloc_au(struct vidtv_encoder *e)  in vidtv_s302m_alloc_au()  argument
184 	if (e->sync && e->sync->is_video_encoder) {  in vidtv_s302m_alloc_au()
185 		sync_au = e->sync->access_units;  in vidtv_s302m_alloc_au()
188 			temp = vidtv_s302m_access_unit_init(e->access_units);  in vidtv_s302m_alloc_au()
189 			if (!e->access_units)  in vidtv_s302m_alloc_au()
190 				e->access_units = temp;  in vidtv_s302m_alloc_au()
198 	e->access_units = vidtv_s302m_access_unit_init(NULL);  in vidtv_s302m_alloc_au()
202 vidtv_s302m_compute_sample_count_from_video(struct vidtv_encoder *e)  in vidtv_s302m_compute_sample_count_from_video()  argument
204 	struct vidtv_access_unit *sync_au = e->sync->access_units;  in vidtv_s302m_compute_sample_count_from_video()
205 	struct vidtv_access_unit *au = e->access_units;  in vidtv_s302m_compute_sample_count_from_video()
210 	vau_duration_usecs    = USEC_PER_SEC / e->sync->sampling_rate_hz;  in vidtv_s302m_compute_sample_count_from_video()
211 	sample_duration_usecs = USEC_PER_SEC / e->sampling_rate_hz;  in vidtv_s302m_compute_sample_count_from_video()
221 static void vidtv_s302m_compute_pts_from_video(struct vidtv_encoder *e)  in vidtv_s302m_compute_pts_from_video()  argument
223 	struct vidtv_access_unit *au = e->access_units;  in vidtv_s302m_compute_pts_from_video()
224 	struct vidtv_access_unit *sync_au = e->sync->access_units;  in vidtv_s302m_compute_pts_from_video()
234 static u16 vidtv_s302m_get_sample(struct vidtv_encoder *e)  in vidtv_s302m_get_sample()  argument
238 	struct vidtv_s302m_ctx *ctx = e->ctx;  in vidtv_s302m_get_sample()
240 	if (!e->src_buf) {  in vidtv_s302m_get_sample()
245 		if (ctx->last_duration <= 0) {  in vidtv_s302m_get_sample()
246 			if (e->src_buf_offset >= ARRAY_SIZE(beethoven_fur_elise))  in vidtv_s302m_get_sample()
247 				e->src_buf_offset = 0;  in vidtv_s302m_get_sample()
249 			ctx->last_tone = beethoven_fur_elise[e->src_buf_offset].note;  in vidtv_s302m_get_sample()
250 			ctx->last_duration = beethoven_fur_elise[e->src_buf_offset].duration *  in vidtv_s302m_get_sample()
252 			e->src_buf_offset++;  in vidtv_s302m_get_sample()
253 			ctx->note_offset = 0;  in vidtv_s302m_get_sample()
260 			return 0x8000;  in vidtv_s302m_get_sample()
265 		return (fixp_sin32(pos % (2 * PI)) >> 16) + 0x8000;  in vidtv_s302m_get_sample()
269 	if (e->src_buf_offset > e->src_buf_sz) {  in vidtv_s302m_get_sample()
271 				   e->src_buf_offset,  in vidtv_s302m_get_sample()
272 				   e->src_buf_sz);  in vidtv_s302m_get_sample()
274 		e->src_buf_offset = 0;  in vidtv_s302m_get_sample()
277 	if (e->src_buf_offset >= e->src_buf_sz) {  in vidtv_s302m_get_sample()
279 		if (e->last_sample_cb)  in vidtv_s302m_get_sample()
280 			e->last_sample_cb(e->sample_count);  in vidtv_s302m_get_sample()
282 		e->src_buf_offset = 0;  in vidtv_s302m_get_sample()
285 	sample = *(u16 *)(e->src_buf + e->src_buf_offset);  in vidtv_s302m_get_sample()
290 static u32 vidtv_s302m_write_frame(struct vidtv_encoder *e,  in vidtv_s302m_write_frame()  argument
293 	struct vidtv_s302m_ctx *ctx = e->ctx;  in vidtv_s302m_write_frame()
295 	u32 nbytes = 0;  in vidtv_s302m_write_frame()
299 	u8 vucf = ctx->frame_index == 0 ? 0x10 : 0;  in vidtv_s302m_write_frame()
301 	f.data[0] = sample & 0xFF;  in vidtv_s302m_write_frame()
302 	f.data[1] = (sample & 0xFF00) >>  8;  in vidtv_s302m_write_frame()
303 	f.data[2] = ((sample & 0x0F)  <<  4) | vucf;  in vidtv_s302m_write_frame()
304 	f.data[3] = (sample & 0x0FF0) >>  4;  in vidtv_s302m_write_frame()
305 	f.data[4] = (sample & 0xF000) >> 12;  in vidtv_s302m_write_frame()
307 	f.data[0] = reverse[f.data[0]];  in vidtv_s302m_write_frame()
313 	nbytes += vidtv_memcpy(e->encoder_buf,  in vidtv_s302m_write_frame()
314 			       e->encoder_buf_offset,  in vidtv_s302m_write_frame()
319 	e->encoder_buf_offset += nbytes;  in vidtv_s302m_write_frame()
323 		ctx->frame_index = 0;  in vidtv_s302m_write_frame()
328 static u32 vidtv_s302m_write_h(struct vidtv_encoder *e, u32 p_sz)  in vidtv_s302m_write_h()  argument
331 	u32 nbytes = 0;  in vidtv_s302m_write_h()
333 	/* 2 channels, ident: 0, 16 bits per sample */  in vidtv_s302m_write_h()
336 	nbytes += vidtv_memcpy(e->encoder_buf,  in vidtv_s302m_write_h()
337 			       e->encoder_buf_offset,  in vidtv_s302m_write_h()
338 			       e->encoder_buf_sz,  in vidtv_s302m_write_h()
342 	e->encoder_buf_offset += nbytes;  in vidtv_s302m_write_h()
346 static void vidtv_s302m_write_frames(struct vidtv_encoder *e)  in vidtv_s302m_write_frames()  argument
348 	struct vidtv_access_unit *au = e->access_units;  in vidtv_s302m_write_frames()
349 	struct vidtv_s302m_ctx *ctx = e->ctx;  in vidtv_s302m_write_frames()
350 	u32 nbytes_per_unit = 0;  in vidtv_s302m_write_frames()
351 	u32 nbytes = 0;  in vidtv_s302m_write_frames()
352 	u32 au_sz = 0;  in vidtv_s302m_write_frames()
360 		nbytes_per_unit = vidtv_s302m_write_h(e, au_sz);  in vidtv_s302m_write_frames()
362 		for (j = 0; j < au->num_samples; ++j) {  in vidtv_s302m_write_frames()
363 			sample = vidtv_s302m_get_sample(e);  in vidtv_s302m_write_frames()
364 			nbytes_per_unit += vidtv_s302m_write_frame(e, sample);  in vidtv_s302m_write_frames()
366 			if (e->src_buf)  in vidtv_s302m_write_frames()
367 				e->src_buf_offset += sizeof(u16);  in vidtv_s302m_write_frames()
369 			e->sample_count++;  in vidtv_s302m_write_frames()
383 		nbytes_per_unit = 0;  in vidtv_s302m_write_frames()
390 static void *vidtv_s302m_encode(struct vidtv_encoder *e)  in vidtv_s302m_encode()  argument
392 	struct vidtv_s302m_ctx *ctx = e->ctx;  in vidtv_s302m_encode()
407 	vidtv_s302m_access_unit_destroy(e);  in vidtv_s302m_encode()
408 	vidtv_s302m_alloc_au(e);  in vidtv_s302m_encode()
410 	if (e->sync && e->sync->is_video_encoder) {  in vidtv_s302m_encode()
411 		vidtv_s302m_compute_sample_count_from_video(e);  in vidtv_s302m_encode()
412 		vidtv_s302m_compute_pts_from_video(e);  in vidtv_s302m_encode()
414 		e->access_units->num_samples = FF_S302M_DEFAULT_NUM_FRAMES;  in vidtv_s302m_encode()
415 		e->access_units->pts = (ctx->au_count * FF_S302M_DEFAULT_PTS_INCREMENT) +  in vidtv_s302m_encode()
419 	vidtv_s302m_write_frames(e);  in vidtv_s302m_encode()
421 	return e->encoder_buf;  in vidtv_s302m_encode()
424 static u32 vidtv_s302m_clear(struct vidtv_encoder *e)  in vidtv_s302m_clear()  argument
426 	struct vidtv_access_unit *au = e->access_units;  in vidtv_s302m_clear()
427 	u32 count = 0;  in vidtv_s302m_clear()
434 	vidtv_s302m_access_unit_destroy(e);  in vidtv_s302m_clear()
435 	memset(e->encoder_buf, 0, VIDTV_S302M_BUF_SZ);  in vidtv_s302m_clear()
436 	e->encoder_buf_offset = 0;  in vidtv_s302m_clear()
446 	struct vidtv_encoder *e;  in vidtv_s302m_encoder_init()  local
448 	e = kzalloc(sizeof(*e), GFP_KERNEL);  in vidtv_s302m_encoder_init()
449 	if (!e)  in vidtv_s302m_encoder_init()
452 	e->id = S302M;  in vidtv_s302m_encoder_init()
455 		e->name = kstrdup(args.name, GFP_KERNEL);  in vidtv_s302m_encoder_init()
457 	e->encoder_buf = vzalloc(VIDTV_S302M_BUF_SZ);  in vidtv_s302m_encoder_init()
458 	if (!e->encoder_buf)  in vidtv_s302m_encoder_init()
461 	e->encoder_buf_sz = VIDTV_S302M_BUF_SZ;  in vidtv_s302m_encoder_init()
462 	e->encoder_buf_offset = 0;  in vidtv_s302m_encoder_init()
464 	e->sample_count = 0;  in vidtv_s302m_encoder_init()
466 	e->src_buf = (args.src_buf) ? args.src_buf : NULL;  in vidtv_s302m_encoder_init()
467 	e->src_buf_sz = (args.src_buf) ? args.src_buf_sz : 0;  in vidtv_s302m_encoder_init()
468 	e->src_buf_offset = 0;  in vidtv_s302m_encoder_init()
470 	e->is_video_encoder = false;  in vidtv_s302m_encoder_init()
476 	e->ctx = ctx;  in vidtv_s302m_encoder_init()
477 	ctx->last_duration = 0;  in vidtv_s302m_encoder_init()
479 	e->encode = vidtv_s302m_encode;  in vidtv_s302m_encoder_init()
480 	e->clear = vidtv_s302m_clear;  in vidtv_s302m_encoder_init()
482 	e->es_pid = cpu_to_be16(args.es_pid);  in vidtv_s302m_encoder_init()
483 	e->stream_id = cpu_to_be16(PES_PRIVATE_STREAM_1);  in vidtv_s302m_encoder_init()
485 	e->sync = args.sync;  in vidtv_s302m_encoder_init()
486 	e->sampling_rate_hz = S302M_SAMPLING_RATE_HZ;  in vidtv_s302m_encoder_init()
488 	e->last_sample_cb = args.last_sample_cb;  in vidtv_s302m_encoder_init()
490 	e->destroy = vidtv_s302m_encoder_destroy;  in vidtv_s302m_encoder_init()
496 		args.head->next = e;  in vidtv_s302m_encoder_init()
499 	e->next = NULL;  in vidtv_s302m_encoder_init()
501 	return e;  in vidtv_s302m_encoder_init()
504 	vfree(e->encoder_buf);  in vidtv_s302m_encoder_init()
507 	kfree(e->name);  in vidtv_s302m_encoder_init()
508 	kfree(e);  in vidtv_s302m_encoder_init()
512 void vidtv_s302m_encoder_destroy(struct vidtv_encoder *e)  in vidtv_s302m_encoder_destroy()  argument
514 	if (e->id != S302M) {  in vidtv_s302m_encoder_destroy()
519 	vidtv_s302m_access_unit_destroy(e);  in vidtv_s302m_encoder_destroy()
520 	kfree(e->name);  in vidtv_s302m_encoder_destroy()
521 	vfree(e->encoder_buf);  in vidtv_s302m_encoder_destroy()
522 	kfree(e->ctx);  in vidtv_s302m_encoder_destroy()
523 	kfree(e);  in vidtv_s302m_encoder_destroy()