#include?
#include?
#include?
#include?“h264encoder.h“

void?compress_begin（Encoder?*en?int?width?int?height）?{
	en->param?=?（x264_param_t?*）?malloc（sizeof（x264_param_t））;
	en->picture?=?（x264_picture_t?*）?malloc（sizeof（x264_picture_t））;
	x264_param_default（en->param）;?//set?default?param
	//en->param->rc.i_rc_method?=?X264_RC_CQP;//設(shè)置為恒定碼率
	//?en->param->i_log_level?=?X264_LOG_NONE;

	//?en->param->i_threads??=?X264_SYNC_LOOKAHEAD_AUTO;//取空緩存區(qū)使用不死鎖保證

	en->param->i_width?=?width;?//set?frame?width
	en->param->i_height?=?height;?//set?frame?height

	//en->param->i_frame_total?=?0;

	//??en->param->i_keyint_max?=?10;
	en->param->rc.i_lookahead?=?0;?//表示i幀向前緩沖區(qū)
	//???en->param->i_bframe?=?5;?//兩個(gè)參考幀之間b幀的數(shù)目

	//??en->param->b_open_gop?=?0;
	//??en->param->i_bframe_pyramid?=?0;
	//???en->param->i_bframe_adaptive?=?X264_B_ADAPT_TRELLIS;

	//en->param->rc.i_bitrate?=?1024?*?10;//rate?為10?kbps
	en->param->i_fps_num?=?5;?//幀率分子
	en->param->i_fps_den?=?1;?//幀率分母
	x264_param_apply_profile（en->param?x264_profile_names[0]）;?//使用baseline

	if?（（en->handle?=?x264_encoder_open（en->param））?==?0）?{
		return;
	}
	/*?Create?a?new?pic?*/
	x264_picture_alloc（en->picture?X264_CSP_I422?en->param->i_width
			en->param->i_height）;
	en->picture->img.i_csp?=?X264_CSP_I422;
	en->picture->img.i_plane?=?3;
}

int?compress_frame（Encoder?*en?int?type?uint8_t?*in?uint8_t?*out）?{
	x264_picture_t?pic_out;
	int?nNal?=?-1;
	int?result?=?0;
	int?i?=?0;
	uint8_t?*p_out?=?out;

	char?*y?=?en->picture->img.plane[0];
	char?*u?=?en->picture->img.plane[1];
	char?*v?=?en->picture->img.plane[2];

	int?is_y?=?1?is_u?=?1;
	int?y_index?=?0?u_index?=?0?v_index?=?0;

	int?yuv422_length?=?2?*?en->param->i_width?*?en->param->i_height;

	//序列為YU?YV?YU?YV，一個(gè)yuv422幀的長(zhǎng)度?width?*?height?*?2?個(gè)字節(jié)
	for?（i?=?0;?i?		if?（is_y）?{
			*（y?+?y_index）?=?*（in?+?i）;
			++y_index;
			is_y?=?0;
		}?else?{
			if?（is_u）?{
				*（u?+?u_index）?=?*（in?+?i）;
				++u_index;
				is_u?=?0;
			}?else?{
				*（v?+?v_index）?=?*（in?+?i）;
				++v_index;
				is_u?=?1;
			}
			is_y?=?1;
		}
	}

	switch?（type）?{
	case?0:
		en->picture->i_type?=?X264_TYPE_P;
		break;
	case?1:
		en->picture->i_type?=?X264_TYPE_IDR;
		break;
	case?2:
		en->picture->i_type?=?X264_TYPE_I;
		break;
	default:
		en->picture->i_type?=?X264_TYPE_AUTO;
		break;
	}

	if?（x264_encoder_encode（en->handle?&（en->nal）?&nNal?en->picture
			&pic_out）?		return?-1;
	}

	for?（i?=?0;?i?		memcpy（p_out?en->nal[i].p_payload?en->nal[i].i_payload）;
		p_out?+=?en->nal[i].i_payload;
		result?+=?en->nal[i].i_payload;
	}

	return?result;
}

void?compress_end（Encoder?*en）?{
	if?（en->picture）?{
		x264_picture_clean（en->picture）;
		free（en->picture）;
		en->picture?=?0;
	}
	if?（en->param）?{
		free（en->param）;
		en->param?=?0;
	}
	if?（en->handle）?{
		x264_encoder_close（en->handle）;
	}
	free（en）;
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件??????972945??2012-05-01?13:19??camera\bin\camera_h264encode
?????文件?????????245??2012-04-17?05:42??camera\include\x264_config.h
?????文件???????40894??2012-03-30?20:45??camera\include\x264.h
?????文件?????1026684??2012-04-29?07:42??camera\lib\libx264.a
?????目錄???????????0??2012-05-01?13:19??camera\bin\
?????文件????????3020??2012-05-01?13:12??camera\h264encoder.c
?????文件????????3552??2012-05-01?07:54??camera\h264encoder.c~
?????文件?????????553??2012-05-01?13:13??camera\h264encoder.h
?????文件?????????564??2012-04-30?16:58??camera\h264encoder.h~
?????文件???????15336??2012-05-01?13:19??camera\h264encoder.o
?????目錄???????????0??2012-05-01?13:19??camera\include\
?????目錄???????????0??2012-04-30?16:28??camera\lib\
?????文件????????1444??2012-05-01?13:14??camera\main.c
?????文件????????1711??2012-05-01?06:32??camera\main.c~
?????文件???????11108??2012-05-01?13:19??camera\main.o
?????文件?????????300??2012-04-30?16:59??camera\Makefile
?????文件?????????331??2012-04-30?16:58??camera\Makefile~
?????文件????????7754??2012-05-01?13:15??camera\video_capture.c
?????文件????????7754??2012-05-01?13:15??camera\video_capture.c~
?????文件?????????895??2012-05-01?13:14??camera\video_capture.h
?????文件?????????936??2012-04-29?13:11??camera\video_capture.h~
?????文件???????31944??2012-05-01?13:19??camera\video_capture.o