1 files changed, 634 insertions, 0 deletions
diff --git a/tinyDAV/src/codecs/mp4ves/tdav_codec_mp4ves.c b/tinyDAV/src/codecs/mp4ves/tdav_codec_mp4ves.c
new file mode 100644
index 0000000..731fe2e
--- /dev/null
+++ b/tinyDAV/src/codecs/mp4ves/tdav_codec_mp4ves.c
@@ -0,0 +1,634 @@
+/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
+*	
+* This file is part of Open Source Doubango Framework.
+*
+* DOUBANGO is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*	
+* DOUBANGO is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*	
+* You should have received a copy of the GNU General Public License
+* along with DOUBANGO.
+*
+*/
+
+/**@file tdav_codec_mp4ves.c
+ * @brief MP4V-ES codec plugin
+ * RTP payloader/depayloader follows RFC 3016.
+ * ISO-IEC-14496-2: http://www.csus.edu/indiv/p/pangj/aresearch/video_compression/presentation/ISO-IEC-14496-2_2001_MPEG4_Visual.pdf
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Th Dec 2 16:54:58 2010 mdiop
+ */
+#include "tinydav/codecs/mp4ves/tdav_codec_mp4ves.h"
+
+#if HAVE_FFMPEG
+
+#include "tinydav/video/tdav_converter_video.h"
+
+#include "tinyrtp/rtp/trtp_rtp_packet.h"
+
+#include "tnet_endianness.h"
+
+#include "tsk_params.h"
+#include "tsk_memory.h"
+#include "tsk_debug.h"
+
+#define DEFAULT_PROFILE_LEVEL_ID	Simple_Profile_Level_1
+
+#define MP4V_RTP_PAYLOAD_SIZE		900
+
+
+// From ISO-IEC-14496-2
+typedef enum mp4v_codes_e
+{
+	// To initiate a visual session (6.3.2)
+	visual_object_sequence_start_code = 0x000001B0,
+	// To terminate a visual session (6.3.2)
+	visual_object_sequence_end_code = 0x000001B1,
+	// To initiate a visual object (6.3.2)
+	visual_object_start_code = 0x000001B5,
+	// To identify the beginning of user data. The user data continues until receipt of another start code. (6.3.2.1)
+	user_data_start_code = 0x000001B2,
+	// The video_object_layer_start_code is a string of 32 bits. The first 28 bits are
+	// ‘0000 0000 0000 0000 0000 0001 0010‘ in binary and the last 4-bits represent one of the values in the range of
+	// ‘0000’ to ‘1111’ in binary. The video_object_layer_start_code marks a new video object layer. (6.3.3)
+	video_object_layer_start_code = 0x0000012,
+	// To identify the beginning of a GOV header (6.3.4)
+	group_of_vop_start_code = 0x000001B3,
+	// To mark the start of a video object plane (6.3.5 )
+	vop_start_code = 0x000001B6,
+}
+mp4v_start_code_t;
+
+// From ISO-IEC-14496-2 Annex G
+typedef enum mp4v_profiles_e
+{
+	/* Reserved = 0x00000000 */
+	Simple_Profile_Level_1 = 1,
+	Simple_Profile_Level_2 = 2,
+	Simple_Profile_Level_3 = 3,
+	/* Reserved 00000100 ? 00010000 */
+	Simple_Scalable_Profile_Level_1 = 17,
+	Simple_Scalable_Profile_Level_2 = 18,
+	/* Reserved 00010011 ? = 0x00100000 */
+	Core_Profile_Level_1 = 33,
+	Core_Profile_Level_2 = 34,
+	/* Reserved 00100011 ? = 0x00110001 */
+	Main_Profile_Level_2 = 50,
+	Main_Profile_Level_3 = 51,
+	Main_Profile_Level_4 = 52,
+	/* Reserved 00110101 ? = 0x01000001 */
+	N_bit_Profile_Level_2 = 66,
+	/* Reserved 01000011 ? = 0x01010000 */
+	Scalable_Texture_Profile_Level_1 = 81,
+	/* Reserved 01010010 ? 01100000 */
+	Simple_Face_Animation_Profile_Level_1 = 97,
+	Simple_Face_Animation_Profile_Level_2 = 98,
+	Simple_FBA_Profile_Level_1 = 99,
+	Simple_FBA_Profile_Level_2 = 100,
+	/* Reserved 01100101 ? 01110000 */
+	Basic_Animated_Texture_Profile_Level_1 = 113,
+	Basic_Animated_Texture_Profile_Level_2 = 114,
+	/* Reserved 01110011 ? 10000000 */
+	Hybrid_Profile_Level_1 = 129,
+	Hybrid_Profile_Level_2 = 130,
+	/* Reserved 10000011 ? 10010000 */
+	Advanced_Real_Time_Simple_Profile_Level_1 = 145,
+	Advanced_Real_Time_Simple_Profile_Level_2 = 146,
+	Advanced_Real_Time_Simple_Profile_Level_3 = 147,
+	Advanced_Real_Time_Simple_Profile_Level_4 = 148,
+	/* Reserved 10010101 ? 10100000 */
+}
+mp4v_profiles_t;
+
+static void tdav_codec_mp4ves_encap(tdav_codec_mp4ves_t* mp4v, const uint8_t* pdata, tsk_size_t size);
+static void tdav_codec_mp4ves_rtp_callback(tdav_codec_mp4ves_t *mp4v, const void *data, tsk_size_t size, tsk_bool_t marker);
+
+/* ============ MP4V-ES Plugin interface functions ================= */
+#define tdav_codec_mp4ves_fmtp_set tsk_null /* MUST be removed from all codecs */
+
+int tdav_codec_mp4ves_open(tmedia_codec_t* self)
+{
+	int ret;
+	int size;
+	float bitRate = 64000.f;
+	
+	tdav_codec_mp4ves_t* mp4v = (tdav_codec_mp4ves_t*)self;
+
+	if(!mp4v){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return -1;
+	}
+
+	/* the caller (base class) already checked that the codec is not opened */
+
+	//
+	//	Encoder
+	//
+	if(!(mp4v->encoder.codec = avcodec_find_encoder(CODEC_ID_MPEG4))){
+		TSK_DEBUG_ERROR("Failed to find mp4v encoder");
+		return -2;
+	}
+	mp4v->encoder.context = avcodec_alloc_context();
+	avcodec_get_context_defaults(mp4v->encoder.context);
+	
+	mp4v->encoder.context->pix_fmt		= PIX_FMT_YUV420P;
+	mp4v->encoder.context->time_base.num  = 1;
+	mp4v->encoder.context->time_base.den  = TMEDIA_CODEC_VIDEO(mp4v)->fps;
+	mp4v->encoder.context->width = TMEDIA_CODEC_VIDEO(mp4v)->width;
+	mp4v->encoder.context->height = TMEDIA_CODEC_VIDEO(mp4v)->height;
+	mp4v->encoder.context->mb_decision = FF_MB_DECISION_SIMPLE;
+
+	switch(self->bl){
+		case tmedia_bl_low:
+		default:
+			bitRate = 64000.f;
+			break;
+		case tmedia_bl_medium:
+			bitRate = 128000.f;
+			break;
+		case tmedia_bl_hight:
+			bitRate = 250000.f;
+			break;
+	}
+
+	mp4v->encoder.context->thread_count = 1;
+	mp4v->encoder.context->rtp_payload_size = MP4V_RTP_PAYLOAD_SIZE;
+	mp4v->encoder.context->opaque = tsk_null;
+	mp4v->encoder.context->bit_rate = (int) (bitRate * 0.80f);
+	mp4v->encoder.context->bit_rate_tolerance = (int) (bitRate * 0.20f);
+	mp4v->encoder.context->profile = mp4v->profile>>4;
+	mp4v->encoder.context->level = mp4v->profile & 0x0F;
+	mp4v->encoder.context->gop_size = TMEDIA_CODEC_VIDEO(mp4v)->fps*2; // each 2 seconds
+	mp4v->encoder.context->max_b_frames = 0;
+	mp4v->encoder.context->b_frame_strategy = 1;
+    mp4v->encoder.context->flags |= CODEC_FLAG_AC_PRED;
+
+	// Picture (YUV 420)
+	if(!(mp4v->encoder.picture = avcodec_alloc_frame())){
+		TSK_DEBUG_ERROR("Failed to create MP4V-ES encoder picture");
+		return -2;
+	}
+	avcodec_get_frame_defaults(mp4v->encoder.picture);
+	
+	size = avpicture_get_size(PIX_FMT_YUV420P, mp4v->encoder.context->width, mp4v->encoder.context->height);
+	if(!(mp4v->encoder.buffer = tsk_calloc(size, sizeof(uint8_t)))){
+		TSK_DEBUG_ERROR("Failed to allocate MP4V-ES encoder buffer");
+		return -2;
+	}
+	
+	// Open encoder
+	if((ret = avcodec_open(mp4v->encoder.context, mp4v->encoder.codec)) < 0){
+		TSK_DEBUG_ERROR("Failed to open MP4V-ES encoder");
+		return ret;
+	}
+	
+	//
+	//	Decoder
+	//
+	if(!(mp4v->decoder.codec = avcodec_find_decoder(CODEC_ID_MPEG4))){
+		TSK_DEBUG_ERROR("Failed to find MP4V-ES decoder");
+	}
+	mp4v->decoder.context = avcodec_alloc_context();
+	avcodec_get_context_defaults(mp4v->decoder.context);
+	
+	mp4v->decoder.context->pix_fmt = PIX_FMT_YUV420P;
+	mp4v->decoder.context->width = TMEDIA_CODEC_VIDEO(mp4v)->width;
+	mp4v->decoder.context->height = TMEDIA_CODEC_VIDEO(mp4v)->height;
+
+	// Picture (YUV 420)
+	if(!(mp4v->decoder.picture = avcodec_alloc_frame())){
+		TSK_DEBUG_ERROR("Failed to create decoder picture");
+		return -2;
+	}
+	avcodec_get_frame_defaults(mp4v->decoder.picture);
+
+	size = avpicture_get_size(PIX_FMT_YUV420P, mp4v->decoder.context->width, mp4v->decoder.context->height);
+	if(!(mp4v->decoder.accumulator = tsk_calloc((size + FF_INPUT_BUFFER_PADDING_SIZE), sizeof(uint8_t)))){
+		TSK_DEBUG_ERROR("Failed to allocate decoder buffer");
+		return -2;
+	}
+
+	if(!(mp4v->decoder.accumulator = tsk_calloc((size + FF_INPUT_BUFFER_PADDING_SIZE), sizeof(uint8_t)))){
+		TSK_DEBUG_ERROR("Failed to allocate decoder buffer");
+		return -2;
+	}
+
+	// Open decoder
+	if((ret = avcodec_open(mp4v->decoder.context, mp4v->decoder.codec)) < 0){
+		TSK_DEBUG_ERROR("Failed to open MP4V-ES decoder");
+		return ret;
+	}
+
+	return 0;
+}
+
+int tdav_codec_mp4ves_close(tmedia_codec_t* self)
+{
+	tdav_codec_mp4ves_t* mp4v = (tdav_codec_mp4ves_t*)self;
+
+	if(!mp4v){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return -1;
+	}
+
+	/* the caller (base class) already checked that the codec is opened */
+
+	//
+	//	Encoder
+	//
+	if(mp4v->encoder.context){
+		avcodec_close(mp4v->encoder.context);
+		av_free(mp4v->encoder.context);
+		mp4v->encoder.context = tsk_null;
+	}
+	if(mp4v->encoder.picture){
+		av_free(mp4v->encoder.picture);
+	}
+	if(mp4v->encoder.buffer){
+		TSK_FREE(mp4v->encoder.buffer);
+	}
+
+	//
+	//	Decoder
+	//
+	if(mp4v->decoder.context){
+		avcodec_close(mp4v->decoder.context);
+		if(mp4v->decoder.context->extradata){
+			TSK_FREE(mp4v->decoder.context->extradata);
+			mp4v->decoder.context->extradata_size = 0;
+		}
+		av_free(mp4v->decoder.context);
+		mp4v->decoder.context = tsk_null;
+	}
+	if(mp4v->decoder.picture){
+		av_free(mp4v->decoder.picture);
+		mp4v->decoder.picture = tsk_null;
+	}
+	if(mp4v->decoder.accumulator){
+		TSK_FREE(mp4v->decoder.accumulator);
+	}
+
+	return 0;
+}
+
+tsk_size_t tdav_codec_mp4ves_encode(tmedia_codec_t* self, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size)
+{
+	int ret;
+	int size;
+
+	tdav_codec_mp4ves_t* mp4v = (tdav_codec_mp4ves_t*)self;
+
+	if(!self || !in_data || !in_size || !out_data){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return 0;
+	}
+
+	// wrap yuv420 buffer
+	size = avpicture_fill((AVPicture *)mp4v->encoder.picture, (uint8_t*)in_data, PIX_FMT_YUV420P, mp4v->encoder.context->width, mp4v->encoder.context->height);
+	if(size != in_size){
+		/* guard */
+		TSK_DEBUG_ERROR("Invalid size");
+		return 0;
+	}
+	/* Flip */
+#if FLIP_ENCODED_PICT
+	tdav_converter_video_flip(mp4v->encoder.picture, mp4v->encoder.context->height);
+#endif
+
+	mp4v->encoder.picture->pts = AV_NOPTS_VALUE;
+	ret = avcodec_encode_video(mp4v->encoder.context, mp4v->encoder.buffer, size, mp4v->encoder.picture);
+	if(ret > 0){
+		tdav_codec_mp4ves_encap(mp4v, mp4v->encoder.buffer, (tsk_size_t)ret);
+	}
+
+	return 0;
+}
+
+tsk_size_t tdav_codec_mp4ves_decode(tmedia_codec_t* self, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size, const tsk_object_t* proto_hdr)
+{ 
+	tdav_codec_mp4ves_t* mp4v = (tdav_codec_mp4ves_t*)self;
+	const trtp_rtp_header_t* rtp_hdr = proto_hdr;
+
+	tsk_size_t xsize, retsize = 0;
+	int got_picture_ptr;
+	int ret;
+
+	if(!self || !in_data || !in_size || !out_data || !mp4v->decoder.context){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return 0;
+	}
+
+	// get expected size
+	xsize = avpicture_get_size(mp4v->decoder.context->pix_fmt, mp4v->decoder.context->width, mp4v->decoder.context->height);
+
+	/* Packet lost? */
+	if(mp4v->decoder.last_seq != (rtp_hdr->seq_num - 1) && mp4v->decoder.last_seq){
+		if(mp4v->decoder.last_seq == rtp_hdr->seq_num){
+			// Could happen on some stupid emulators
+			TSK_DEBUG_INFO("Packet duplicated, seq_num=%d", rtp_hdr->seq_num);
+			return 0;
+		}
+		TSK_DEBUG_INFO("Packet lost, seq_num=%d", rtp_hdr->seq_num);
+	}
+	mp4v->decoder.last_seq = rtp_hdr->seq_num;
+
+	if((mp4v->decoder.accumulator_pos + in_size) <= xsize){
+		memcpy(&((uint8_t*)mp4v->decoder.accumulator)[mp4v->decoder.accumulator_pos], in_data, in_size);
+		mp4v->decoder.accumulator_pos += in_size;
+	}
+	else{
+		TSK_DEBUG_WARN("Buffer overflow");
+		mp4v->decoder.accumulator_pos = 0;
+		return 0;
+	}
+
+	if(rtp_hdr->marker){
+		AVPacket packet;
+		/* allocate destination buffer */
+		if(*out_max_size <xsize){
+			if(!(*out_data = tsk_realloc(*out_data, xsize))){
+				TSK_DEBUG_ERROR("Failed to allocate new buffer");
+				mp4v->decoder.accumulator_pos = 0;
+				*out_max_size = 0;
+				return 0;
+			}
+			*out_max_size = xsize;
+		}		
+
+		av_init_packet(&packet);
+		packet.size = mp4v->decoder.accumulator_pos;
+		packet.data = mp4v->decoder.accumulator;
+		ret = avcodec_decode_video2(mp4v->decoder.context, mp4v->decoder.picture, &got_picture_ptr, &packet);
+
+		if(ret <0 || !got_picture_ptr){
+			TSK_DEBUG_WARN("Failed to decode the buffer");
+		}
+		else{
+			retsize = xsize;
+			/* flip */
+#if FLIP_DECODED_PICT
+			tdav_converter_video_flip(mp4v->decoder.picture, mp4v->decoder.context->height);
+#endif
+			/* copy picture into a linear buffer */
+			avpicture_layout((AVPicture *)mp4v->decoder.picture, mp4v->decoder.context->pix_fmt, mp4v->decoder.context->width, mp4v->decoder.context->height,
+				*out_data, retsize);
+		}
+		/* in all cases: reset accumulator */
+		mp4v->decoder.accumulator_pos = 0;		
+	}
+
+	return retsize;
+}
+
+tsk_bool_t tdav_codec_mp4ves_fmtp_match(const tmedia_codec_t* codec, const char* fmtp)
+{
+	tsk_params_L_t* params = tsk_null;
+	tdav_codec_mp4ves_t *mp4v = (tdav_codec_mp4ves_t *)codec;
+
+	if(!mp4v){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return tsk_false;
+	}
+
+	/* e.g. profile-level-id=1; xx=yy */
+	if((params = tsk_params_fromstring(fmtp, ";", tsk_true))){
+		int val_int;
+		if((val_int = tsk_params_get_param_value_as_int(params, "profile-level-id")) != -1){
+			TSK_DEBUG_INFO("Proposed profile-level-id=%d", val_int);
+			mp4v->profile = val_int; // FIXME: Take the remote profile-level-id even if the bandwidth level doesn't match
+		}
+	}
+
+	TSK_OBJECT_SAFE_FREE(params);
+
+	return tsk_true;
+}
+
+char* tdav_codec_mp4ves_fmtp_get(const tmedia_codec_t* self)
+{
+	tdav_codec_mp4ves_t *mp4v = (tdav_codec_mp4ves_t *)self;
+	char* fmtp = tsk_null;
+
+	switch(self->bl){
+		case tmedia_bl_low:
+		default:
+			mp4v->profile = Simple_Profile_Level_1;
+			break;
+		case tmedia_bl_medium:
+			mp4v->profile = Simple_Profile_Level_2;
+			break;
+		case tmedia_bl_hight:
+			mp4v->profile = Simple_Profile_Level_3;
+			break;
+	}
+
+	tsk_sprintf(&fmtp, "profile-level-id=%d", mp4v->profile);
+	return fmtp;
+}
+
+
+/* ============ Internal functions ================= */
+static void tdav_codec_mp4ves_encap(tdav_codec_mp4ves_t* mp4v, const uint8_t* pdata, tsk_size_t size)
+{
+	uint32_t scode; // start code
+
+	if(size <= 4/*32bits: start code size*/){
+		TSK_DEBUG_ERROR("Too short");
+		return;
+	}
+	// first 32bits
+	scode = tnet_htonl_2(pdata);
+
+/* RFC 3016 - 3.3 Examples of packetized MPEG-4 Visual bitstream
+
+	VS= Visual Object Sequence
+	VO= Visual Object
+	VOL= Visual Object Layer
+	VOP= Visual Object Plane
+	GOV= Group of Visual Object Plane
+	VP= Video Plane
+
+	 +------+------+------+------+
+(a) | RTP  |  VS  |  VO  | VOL  |
+    |header|header|header|header|
+    +------+------+------+------+
+
+    +------+------+------+------+------------+
+(b) | RTP  |  VS  |  VO  | VOL  |Video Packet|
+    |header|header|header|header|            |
+    +------+------+------+------+------------+
+
+    +------+-----+------------------+
+(c) | RTP  | GOV |Video Object Plane|
+    |header|     |                  |
+    +------+-----+------------------+
+
+    +------+------+------------+  +------+------+------------+
+(d) | RTP  | VOP  |Video Packet|  | RTP  |  VP  |Video Packet|
+    |header|header|    (1)     |  |header|header|    (2)     |
+    +------+------+------------+  +------+------+------------+
+
+    +------+------+------------+------+------------+------+------------+
+(e) | RTP  |  VP  |Video Packet|  VP  |Video Packet|  VP  |Video Packet|
+    |header|header|     (1)    |header|    (2)     |header|    (3)     |
+    +------+------+------------+------+------------+------+------------+
+
+    +------+------+------------+  +------+------------+
+(f) | RTP  | VOP  |VOP fragment|  | RTP  |VOP fragment|
+    |header|header|    (1)     |  |header|    (2)     | ___
+    +------+------+------------+  +------+------------+
+
+     Figure 2 - Examples of RTP packetized MPEG-4 Visual bitstream
+*/
+
+/* RFC 3016 - 3.2 Fragmentation of MPEG-4 Visual bitstream
+
+   A fragmented MPEG-4 Visual bitstream is mapped directly onto the RTP
+   payload without any addition of extra header fields or any removal of
+   Visual syntax elements.  The Combined Configuration/Elementary
+   streams mode is used.
+
+   In the following, header means one of the following:
+
+   -  Configuration information (Visual Object Sequence Header, Visual
+      Object Header and Video Object Layer Header)
+   -  visual_object_sequence_end_code
+   -  The header of the entry point function for an elementary stream
+      (Group_of_VideoObjectPlane() or the header of VideoObjectPlane(),
+      video_plane_with_short_header(), MeshObject() or FaceObject())
+   -  The video packet header (video_packet_header() excluding
+      next_resync_marker())
+   -  The header of gob_layer()
+      See 6.2.1 "Start codes" of ISO/IEC 14496-2 [2][9][4] for the
+      definition of the configuration information and the entry point
+      functions.
+*/
+
+	switch(scode){
+		case visual_object_sequence_start_code:
+		case visual_object_start_code:
+		case user_data_start_code:
+		case video_object_layer_start_code:
+		case group_of_vop_start_code:
+		case vop_start_code:
+			{
+				register uint32_t i, last_index = 0;
+				int startcode = 0xffffffff;
+
+				if(scode == visual_object_sequence_start_code && size >=5){
+					uint8_t profile_and_level_indication = pdata[4]; /* IEC 14496-2: 6.3.2 Visual Object Sequence and Visual Object */
+					TSK_DEBUG_INFO("profile_and_level_indication=%d", profile_and_level_indication);
+				}
+
+				if(size < MP4V_RTP_PAYLOAD_SIZE){
+					goto last;
+				}
+
+				for(i = 4; i<(size - 4); i++){
+					startcode = (startcode <<8) | pdata[i];
+					switch(startcode){
+						case visual_object_sequence_start_code:
+						case group_of_vop_start_code:
+						case vop_start_code:
+							tdav_codec_mp4ves_rtp_callback(mp4v, pdata + last_index, (i - last_index), (last_index == size));
+							last_index = i;
+					}
+				}
+last:
+				if(last_index < size){
+					tdav_codec_mp4ves_rtp_callback(mp4v, pdata + last_index, (size - last_index), tsk_true);					
+				}
+				break;
+			}
+		default:
+			TSK_DEBUG_ERROR("%x is an invalide start code", scode);
+			break;
+	}
+}
+
+static void tdav_codec_mp4ves_rtp_callback(tdav_codec_mp4ves_t *mp4v, const void *data, tsk_size_t size, tsk_bool_t marker)
+{
+	// Send data over the network
+	if(TMEDIA_CODEC_VIDEO(mp4v)->callback){
+		TMEDIA_CODEC_VIDEO(mp4v)->callback(TMEDIA_CODEC_VIDEO(mp4v)->callback_data, data, size, (3003* (30/TMEDIA_CODEC_VIDEO(mp4v)->fps)), marker);
+	}
+}
+
+
+/* ============ MP4V-ES Plugin interface ================= */
+
+/* constructor */
+static tsk_object_t* tdav_codec_mp4ves_ctor(tsk_object_t * self, va_list * app)
+{
+	tdav_codec_mp4ves_t *mp4v = self;
+	if(mp4v){
+		/* init base: called by tmedia_codec_create() */
+		/* init self */
+		mp4v->profile = DEFAULT_PROFILE_LEVEL_ID;
+	}
+	return self;
+}
+/* destructor */
+static tsk_object_t* tdav_codec_mp4ves_dtor(tsk_object_t * self)
+{ 
+	tdav_codec_mp4ves_t *mp4v = self;
+	if(mp4v){
+		/* deinit base */
+		tmedia_codec_video_deinit(self); // will close the codec if opened
+		/* deinit self */
+		TSK_FREE(mp4v->rtp.ptr);
+		mp4v->rtp.size = 0;
+	}
+
+	return self;
+}
+/* object definition */
+static const tsk_object_def_t tdav_codec_mp4ves_def_s = 
+{
+	sizeof(tdav_codec_mp4ves_t),
+	tdav_codec_mp4ves_ctor, 
+	tdav_codec_mp4ves_dtor,
+	tmedia_codec_cmp, 
+};
+/* plugin definition*/
+static const tmedia_codec_plugin_def_t tdav_codec_mp4ves_plugin_def_s = 
+{
+	&tdav_codec_mp4ves_def_s,
+
+	tmedia_video,
+	"MP4V-ES",
+	"MP4V-ES Codec",
+	TMEDIA_CODEC_FORMAT_MP4V_ES,
+	tsk_true,
+	90000, // rate
+	
+	/* audio */
+	{ 0 },
+
+	/* video */
+	{176, 144, 15},
+
+	tdav_codec_mp4ves_open,
+	tdav_codec_mp4ves_close,
+	tdav_codec_mp4ves_encode,
+	tdav_codec_mp4ves_decode,
+	tdav_codec_mp4ves_fmtp_match,
+	tdav_codec_mp4ves_fmtp_get,
+	tdav_codec_mp4ves_fmtp_set
+};
+const tmedia_codec_plugin_def_t *tdav_codec_mp4ves_plugin_def_t = &tdav_codec_mp4ves_plugin_def_s;
+
+
+#endif /* HAVE_FFMPEG */
+