diff options
Diffstat (limited to 'branches/1.0/tinyDAV/src/codecs/h263/tdav_codec_h263.c')
| -rw-r--r-- | branches/1.0/tinyDAV/src/codecs/h263/tdav_codec_h263.c | 1230 |
1 files changed, 0 insertions, 1230 deletions
diff --git a/branches/1.0/tinyDAV/src/codecs/h263/tdav_codec_h263.c b/branches/1.0/tinyDAV/src/codecs/h263/tdav_codec_h263.c deleted file mode 100644 index 9b247d1..0000000 --- a/branches/1.0/tinyDAV/src/codecs/h263/tdav_codec_h263.c +++ /dev/null @@ -1,1230 +0,0 @@ -/*
-* 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_h263.c
- * @brief H.263-1996 and H.263-1998 codec plugins.
- * RTP payloader follows RFC 4629 for H263+ and RFC 2190 for H263.
- *
- * @author Mamadou Diop <diopmamadou(at)doubango.org>
- *
- * @date Created: Sat Nov 8 16:54:58 2009 mdiop
- */
-#include "tinydav/codecs/h263/tdav_codec_h263.h"
-
-#if HAVE_FFMPEG
-
-#include "tinydav/video/tdav_converter_video.h"
-
-#include "tinyrtp/rtp/trtp_rtp_packet.h"
-
-#include "tnet_endianness.h"
-
-#include "tsk_time.h"
-#include "tsk_memory.h"
-#include "tsk_debug.h"
-
-#define RTP_PAYLOAD_SIZE 750
-
-#define H263P_HEADER_SIZE 2
-#define H263_HEADER_MODE_A_SIZE 4
-#define H263_HEADER_MODE_B_SIZE 8
-#define H263_HEADER_MODE_C_SIZE 12
-
-static void tdav_codec_h263_rtp_callback(tdav_codec_h263_t *self, const void *data, tsk_size_t size, tsk_bool_t marker);
-static void tdav_codec_h263p_rtp_callback(tdav_codec_h263_t *self, const void *data, tsk_size_t size, tsk_bool_t frag, tsk_bool_t marker);
-
-static void tdav_codec_h263_encap(const tdav_codec_h263_t* h263, const uint8_t* pdata, tsk_size_t size);
-
-/* ============ Common To all H263 codecs ================= */
-
-int tdav_codec_h263_init(tdav_codec_h263_t* self, tdav_codec_h263_type_t type, enum CodecID encoder, enum CodecID decoder)
-{
- int ret = 0;
-
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- self->type = type;
-
- if(!(self->encoder.codec = avcodec_find_encoder(encoder))){
- TSK_DEBUG_ERROR("Failed to find [%d]encoder", encoder);
- ret = -2;
- }
-
- if(!(self->decoder.codec = avcodec_find_decoder(decoder))){
- TSK_DEBUG_ERROR("Failed to find [%d] decoder", decoder);
- ret = -3;
- }
-
- /* allocations MUST be done by open() */
- return ret;
-}
-
-int tdav_codec_h263_deinit(tdav_codec_h263_t* self)
-{
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- self->encoder.codec = tsk_null;
- self->decoder.codec = tsk_null;
-
- // FFMpeg resources are destroyed by close()
-
-
-
- TSK_FREE(self->rtp.ptr);
- self->rtp.size = 0;
-
- return 0;
-}
-
-
-
-/* ============ H.263-1996 Plugin interface ================= */
-
-//
-// H.263-1996 object definition
-//
-int tdav_codec_h263_open(tmedia_codec_t* self)
-{
- int ret;
- int size;
- float bitRate = 64000.f;
-
- tdav_codec_h263_t* h263 = (tdav_codec_h263_t*)self;
-
- if(!h263){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- /* the caller (base class) already checked that the codec is not opened */
-
- //
- // Encoder
- //
- h263->encoder.context = avcodec_alloc_context();
- avcodec_get_context_defaults(h263->encoder.context);
-
- h263->encoder.context->pix_fmt = PIX_FMT_YUV420P;
- h263->encoder.context->time_base.num = 1;
- h263->encoder.context->time_base.den = TMEDIA_CODEC_VIDEO(h263)->fps;
- h263->encoder.context->width = TMEDIA_CODEC_VIDEO(h263)->width;
- h263->encoder.context->height = TMEDIA_CODEC_VIDEO(h263)->height;
-
- /*h263->encoder.context->mb_qmin =*/ h263->encoder.context->qmin = 4;
- /*h263->encoder.context->mb_qmax =*/ h263->encoder.context->qmax = 31;
- h263->encoder.context->mb_decision = FF_MB_DECISION_SIMPLE;
- //h263->encoder.context->me_method = ME_EPZS;
- //h263->encoder.context->flags |= CODEC_FLAG_INPUT_PRESERVED | CODEC_FLAG_PASS1;
-
- switch(self->bl){
- case tmedia_bl_low:
- default:
- bitRate = 64000.f;
- break;
- case tmedia_bl_medium:
- case tmedia_bl_hight:
- bitRate = 128000.f;
- break;
- }
-
- h263->encoder.context->thread_count = 1;
- h263->encoder.context->rtp_payload_size = RTP_PAYLOAD_SIZE;
- h263->encoder.context->opaque = tsk_null;
- h263->encoder.context->bit_rate = (int)(bitRate * 0.80f);
- h263->encoder.context->bit_rate_tolerance = (int) (bitRate * 0.20f);
- h263->encoder.context->rc_min_rate = 0;
- h263->encoder.context->gop_size = TMEDIA_CODEC_VIDEO(h263)->fps*3; /* each 3 seconds */
-
-
- // Picture (YUV 420)
- if(!(h263->encoder.picture = avcodec_alloc_frame())){
- TSK_DEBUG_ERROR("Failed to create encoder picture");
- return -2;
- }
- avcodec_get_frame_defaults(h263->encoder.picture);
- //if((ret = avpicture_alloc((AVPicture*)h263->encoder.picture, PIX_FMT_YUV420P, h263->encoder.context->width, h263->encoder.context->height))){
- // TSK_DEBUG_ERROR("Failed to allocate encoder picture");
- // return ret;
- //}
-
- size = avpicture_get_size(PIX_FMT_YUV420P, h263->encoder.context->width, h263->encoder.context->height);
- if(!(h263->encoder.buffer = tsk_calloc(size, sizeof(uint8_t)))){
- TSK_DEBUG_ERROR("Failed to allocate encoder buffer");
- return -2;
- }
-
-
- // RTP Callback
- switch(h263->type){
- case tdav_codec_h263_1996:
- { /* H263 - 1996 */
- break;
- }
- case tdav_codec_h263_1998:
- { /* H263 - 1998 */
- h263->encoder.context->flags |= CODEC_FLAG_H263P_UMV; /* Annex D+ */
- h263->encoder.context->flags |= CODEC_FLAG_AC_PRED; /* Annex I and T */
- h263->encoder.context->flags |= CODEC_FLAG_LOOP_FILTER; /* Annex J */
- h263->encoder.context->flags |= CODEC_FLAG_H263P_SLICE_STRUCT; /* Annex K */
- h263->encoder.context->flags |= CODEC_FLAG_H263P_AIV; /* Annex S */
- break;
- }
- case tdav_codec_h263_2000:
- { /* H263 - 2000 */
- h263->encoder.context->flags |= CODEC_FLAG_H263P_UMV; /* Annex D+ */
- h263->encoder.context->flags |= CODEC_FLAG_AC_PRED; /* Annex I and T */
- h263->encoder.context->flags |= CODEC_FLAG_LOOP_FILTER; /* Annex J */
- h263->encoder.context->flags |= CODEC_FLAG_H263P_SLICE_STRUCT; /* Annex K */
- h263->encoder.context->flags |= CODEC_FLAG_H263P_AIV; /* Annex S */
- break;
- }
- }
- // Open encoder
- if((ret = avcodec_open(h263->encoder.context, h263->encoder.codec)) < 0){
- TSK_DEBUG_ERROR("Failed to open [%s] codec", TMEDIA_CODEC(h263)->plugin->desc);
- return ret;
- }
-
- //
- // Decoder
- //
- h263->decoder.context = avcodec_alloc_context();
- avcodec_get_context_defaults(h263->decoder.context);
-
- h263->decoder.context->pix_fmt = PIX_FMT_YUV420P;
- h263->decoder.context->width = TMEDIA_CODEC_VIDEO(h263)->width;
- h263->decoder.context->height = TMEDIA_CODEC_VIDEO(h263)->height;
-
- // Picture (YUV 420)
- if(!(h263->decoder.picture = avcodec_alloc_frame())){
- TSK_DEBUG_ERROR("Failed to create decoder picture");
- return -2;
- }
- avcodec_get_frame_defaults(h263->decoder.picture);
-
- size = avpicture_get_size(PIX_FMT_YUV420P, h263->decoder.context->width, h263->decoder.context->height);
- if(!(h263->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(h263->decoder.context, h263->decoder.codec)) < 0){
- TSK_DEBUG_ERROR("Failed to open [%s] codec", TMEDIA_CODEC(h263)->plugin->desc);
- return ret;
- }
-
- return 0;
-}
-
-int tdav_codec_h263_close(tmedia_codec_t* self)
-{
- tdav_codec_h263_t* h263 = (tdav_codec_h263_t*)self;
-
- if(!h263){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- /* the caller (base class) already checked that the codec is opened */
-
- //
- // Encoder
- //
- if(h263->encoder.context){
- avcodec_close(h263->encoder.context);
- av_free(h263->encoder.context);
- }
- if(h263->encoder.picture){
- av_free(h263->encoder.picture);
- }
- if(h263->encoder.buffer){
- TSK_FREE(h263->encoder.buffer);
- }
-
- //
- // Decoder
- //
- if(h263->decoder.context){
- avcodec_close(h263->decoder.context);
- av_free(h263->decoder.context);
- }
- if(h263->decoder.picture){
- av_free(h263->decoder.picture);
- }
- if(h263->decoder.accumulator){
- TSK_FREE(h263->decoder.accumulator);
- h263->decoder.accumulator_pos = 0;
- }
-
- return 0;
-}
-
-tsk_size_t tdav_codec_h263_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_h263_t* h263 = (tdav_codec_h263_t*)self;
-
- if(!self || !in_data || !in_size || !out_data){
- TSK_DEBUG_ERROR("Invalid parameter");
- return 0;
- }
-
- // wrap yuv420 buffer
- size = avpicture_fill((AVPicture *)h263->encoder.picture, (uint8_t*)in_data, PIX_FMT_YUV420P, h263->encoder.context->width, h263->encoder.context->height);
- if(size != in_size){
- /* guard */
- TSK_DEBUG_ERROR("Invalid size");
- return 0;
- }
- /* Flip */
-#if FLIP_ENCODED_PICT
- tdav_converter_video_flip(h263->encoder.picture, h263->encoder.context->height);
-#endif
-
- h263->encoder.picture->pts = AV_NOPTS_VALUE;
- ret = avcodec_encode_video(h263->encoder.context, h263->encoder.buffer, size, h263->encoder.picture);
- if(ret > 0){
- tdav_codec_h263_encap(h263, h263->encoder.buffer, (tsk_size_t)ret);
- }
-
- return 0;
-}
-
-tsk_size_t tdav_codec_h263_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)
-{
- uint8_t F, P, sbit, ebit;
- const uint8_t* pdata = in_data;
- const uint8_t* pay_ptr;
- tsk_size_t pay_size;
- tsk_size_t hdr_size;
- tsk_size_t xsize, retsize = 0;
- int got_picture_ptr;
- int ret;
-
- tdav_codec_h263_t* h263 = (tdav_codec_h263_t*)self;
- const trtp_rtp_header_t* rtp_hdr = proto_hdr;
-
- if(!self || !in_data || !in_size || !out_data || !h263->decoder.context){
- TSK_DEBUG_ERROR("Invalid parameter");
- return 0;
- }
-
- /* RFC 2190
- get F and P bits, used to determine the header Mode (A, B or C)
- F: 1 bit
- The flag bit indicates the mode of the payload header. F=0, mode A;
- F=1, mode B or mode C depending on P bit defined below.
- P: 1 bit
- Optional PB-frames mode as defined by the H.263 [4]. "0" implies
- normal I or P frame, "1" PB-frames. When F=1, P also indicates modes:
- mode B if P=0, mode C if P=1.
- */
- F = *pdata >> 7;
- P = (*pdata >> 6) & 0x01;
-
- /* SBIT and EBIT */
- sbit = (*pdata >> 3) & 0x0F;
- ebit = (*pdata & 0x07);
-
- if(F == 0){
- /* MODE A
- 0 1 2 3
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- |F|P|SBIT |EBIT | SRC |I|U|S|A|R |DBQ| TRB | TR |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
- hdr_size = H263_HEADER_MODE_A_SIZE;
- }
- else if(P == 0){ // F=1 and P=0
- /* MODE B
- 0 1 2 3
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- |F|P|SBIT |EBIT | SRC | QUANT | GOBN | MBA |R |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- |I|U|S|A| HMV1 | VMV1 | HMV2 | VMV2 |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
- hdr_size = H263_HEADER_MODE_B_SIZE;
- }
- else{ // F=1 and P=1
- /* MODE C
- 0 1 2 3
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- |F|P|SBIT |EBIT | SRC | QUANT | GOBN | MBA |R |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- |I|U|S|A| HMV1 | VMV1 | HMV2 | VMV2 |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | RR |DBQ| TRB | TR |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
- hdr_size = H263_HEADER_MODE_C_SIZE;
- }
-
- /* Check size */
- if(in_size < hdr_size){
- TSK_DEBUG_ERROR("Too short");
- return 0;
- }
-
- pay_ptr = (pdata + hdr_size);
- pay_size = (in_size - hdr_size);
- xsize = avpicture_get_size(h263->decoder.context->pix_fmt, h263->decoder.context->width, h263->decoder.context->height);
-
- /* Packet lost? */
- if(h263->decoder.last_seq != (rtp_hdr->seq_num - 1) && h263->decoder.last_seq){
- if(h263->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);
- }
- h263->decoder.last_seq = rtp_hdr->seq_num;
-
- if((int)(h263->decoder.accumulator_pos + pay_size) <= xsize){
- if((h263->decoder.ebit + sbit) == 8){ /* Perfect one Byte to clean up */
- if(h263->decoder.accumulator_pos){
- ((uint8_t*)h263->decoder.accumulator)[h263->decoder.accumulator_pos-1] = (((uint8_t*)h263->decoder.accumulator)[h263->decoder.accumulator_pos-1] & (0xFF << h263->decoder.ebit)) |
- (*pay_ptr & (0xFF >> sbit));
- }
- pay_ptr++, pay_size--;
- }
- h263->decoder.ebit = ebit;
-
- memcpy(&((uint8_t*)h263->decoder.accumulator)[h263->decoder.accumulator_pos], pay_ptr, pay_size);
- h263->decoder.accumulator_pos += pay_size;
- }
- else{
- TSK_DEBUG_WARN("Buffer overflow");
- h263->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");
- h263->decoder.accumulator_pos = 0;
- *out_max_size = 0;
- return 0;
- }
- *out_max_size = xsize;
- }
-
- av_init_packet(&packet);
- packet.size = h263->decoder.accumulator_pos;
- packet.data = h263->decoder.accumulator;
- ret = avcodec_decode_video2(h263->decoder.context, h263->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(h263->decoder.picture, h263->decoder.context->height);
-#endif
- /* copy picture into a linear buffer */
- avpicture_layout((AVPicture *)h263->decoder.picture, h263->decoder.context->pix_fmt, h263->decoder.context->width, h263->decoder.context->height,
- *out_data, retsize);
- }
- /* in all cases: reset accumulator */
- h263->decoder.accumulator_pos = 0;
- }
-
- return retsize;
-}
-
-tsk_bool_t tdav_codec_h263_fmtp_match(const tmedia_codec_t* codec, const char* fmtp)
-{
- tsk_bool_t ret = tsk_false;
- tmedia_codec_video_t* h263 = (tmedia_codec_video_t*)codec;
- tsk_params_L_t* params = tsk_null;
-
- if((params = tsk_params_fromstring(fmtp, ";", tsk_true))){
- switch(codec->bl){
- case tmedia_bl_low:
- default:
- if(tsk_params_have_param(params, "QCIF")){
- h263->width = 176, h263->height = 144;
- ret = tsk_true;
- }
- else if(tsk_params_have_param(params, "SQCIF")){
- h263->width = 128, h263->height = 96;
- ret = tsk_true;
- }
- break;
-
- case tmedia_bl_medium:
- case tmedia_bl_hight:
- if(tsk_params_have_param(params, "CIF")){
- h263->width = 352, h263->height = 288;
- ret = tsk_true;
- }
- else if(tsk_params_have_param(params, "QCIF")){
- h263->width = 176, h263->height = 144;
- ret = tsk_true;
- }
- else if(tsk_params_have_param(params, "SQCIF")){
- h263->width = 128, h263->height = 96;
- ret = tsk_true;
- }
- break;
- }
- }
- TSK_OBJECT_SAFE_FREE(params);
-
- return ret;
-}
-
-char* tdav_codec_h263_fmtp_get(const tmedia_codec_t* self)
-{
- switch(self->bl){
- case tmedia_bl_low:
- default:
- return tsk_strdup("QCIF=2;SQCIF=2");
- break;
- case tmedia_bl_medium:
- case tmedia_bl_hight:
- return tsk_strdup("CIF=2;QCIF=2;SQCIF=2");
- break;
- }
-}
-
-int tdav_codec_h263_fmtp_set(tmedia_codec_t* self, const char* fmtp)
-{
- TSK_DEBUG_INFO("remote fmtp=%s", fmtp);
- return 0;
-}
-
-/* constructor */
-static tsk_object_t* tdav_codec_h263_ctor(tsk_object_t * self, va_list * app)
-{
- tdav_codec_h263_t *h263 = self;
- if(h263){
- /* init base: called by tmedia_codec_create() */
- /* init self */
- tdav_codec_h263_init(TDAV_CODEC_H263(self), tdav_codec_h263_1996, CODEC_ID_H263, CODEC_ID_H263);
- }
- return self;
-}
-/* destructor */
-static tsk_object_t* tdav_codec_h263_dtor(tsk_object_t * self)
-{
- tdav_codec_h263_t *h263 = self;
- if(h263){
- /* deinit base */
- tmedia_codec_video_deinit(h263);
- /* deinit self */
- tdav_codec_h263_deinit(TDAV_CODEC_H263(self));
-
- }
-
- return self;
-}
-/* object definition */
-static const tsk_object_def_t tdav_codec_h263_def_s =
-{
- sizeof(tdav_codec_h263_t),
- tdav_codec_h263_ctor,
- tdav_codec_h263_dtor,
- tmedia_codec_cmp,
-};
-/* plugin definition*/
-static const tmedia_codec_plugin_def_t tdav_codec_h263_plugin_def_s =
-{
- &tdav_codec_h263_def_s,
-
- tmedia_video,
- "H263",
- "H263-1996 codec",
- TMEDIA_CODEC_FORMAT_H263,
- tsk_false,
- 90000, // rate
-
- /* audio */
- { 0 },
-
- /* video */
- {176, 144, 15},
-
- tdav_codec_h263_open,
- tdav_codec_h263_close,
- tdav_codec_h263_encode,
- tdav_codec_h263_decode,
- tdav_codec_h263_fmtp_match,
- tdav_codec_h263_fmtp_get,
- tdav_codec_h263_fmtp_set
-};
-const tmedia_codec_plugin_def_t *tdav_codec_h263_plugin_def_t = &tdav_codec_h263_plugin_def_s;
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-/* ============ H.263-1998 Plugin interface ================= */
-
-//
-// H.263-1998 object definition
-//
-
-int tdav_codec_h263p_open(tmedia_codec_t* self)
-{
- return tdav_codec_h263_open(self);
-}
-
-int tdav_codec_h263p_close(tmedia_codec_t* self)
-{
- return tdav_codec_h263_close(self);
-}
-
-tsk_size_t tdav_codec_h263p_encode(tmedia_codec_t* self, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size)
-{
- return tdav_codec_h263_encode(self, in_data, in_size, out_data, out_max_size);
-}
-
-tsk_size_t tdav_codec_h263p_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)
-{
- uint8_t P, V, PLEN, PEBIT;
- uint8_t* pdata = (uint8_t*)in_data;
- const uint8_t* pay_ptr;
- tsk_size_t pay_size;
- int hdr_size = H263P_HEADER_SIZE;
- tsk_size_t xsize, retsize = 0;
- int got_picture_ptr;
- int ret;
-
- tdav_codec_h263_t* h263 = (tdav_codec_h263_t*)self;
- const trtp_rtp_header_t* rtp_hdr = proto_hdr;
-
- if(!self || !in_data || !in_size || ((int)in_size <= hdr_size) || !out_data || !h263->decoder.context){
- TSK_DEBUG_ERROR("Invalid parameter");
- return 0;
- }
-
-/*
- 5.1. General H.263+ Payload Header
-
- 0 1
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | RR |P|V| PLEN |PEBIT|
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-*/
- P = (pdata[0] & 0x04)>>2;
- V = (pdata[0] & 0x02)>>1;
- PLEN = (((pdata[0] & 0x01)<<5) | pdata[1]>>3);
- PEBIT = pdata[1] & 0x07;
-
- if(V){
- /*
- Indicates the presence of an 8-bit field containing information
- for Video Redundancy Coding (VRC), which follows immediately after
- the initial 16 bits of the payload header, if present. For syntax
- and semantics of that 8-bit VRC field, see Section 5.2.
- */
- }
- if(PLEN){
- /*
- Length, in bytes, of the extra picture header. If no extra
- picture header is attached, PLEN is 0. If PLEN>0, the extra
- picture header is attached immediately following the rest of the
- payload header. Note that the length reflects the omission of the
- first two bytes of the picture start code (PSC). See Section 6.1.
- */
- hdr_size += PLEN;
- if(PEBIT){
- /*
- Indicates the number of bits that shall be ignored in the last
- byte of the picture header. If PLEN is not zero, the ignored bits
- shall be the least significant bits of the byte. If PLEN is zero,
- then PEBIT shall also be zero.
- */
- TSK_DEBUG_WARN("PEBIT ignored");
- }
- }
- if(P){ /* MUST be done after PLEN and PEBIT */
- /*
- Indicates the picture start or a picture segment (GOB/Slice) start
- or a video sequence end (EOS or EOSBS). Two bytes of zero bits
- then have to be prefixed to the payload of such a packet to
- compose a complete picture/GOB/slice/EOS/EOSBS start code. This
- bit allows the omission of the two first bytes of the start codes,
- thus improving the compression ratio.
- */
- hdr_size -= 2;
- pdata[hdr_size] = 0x00, pdata[hdr_size + 1] = 0x00;
- }
-
- pay_ptr = (pdata + hdr_size);
- pay_size = (in_size - hdr_size);
- xsize = avpicture_get_size(h263->decoder.context->pix_fmt, h263->decoder.context->width, h263->decoder.context->height);
-
- /* Packet lost? */
- if(h263->decoder.last_seq != (rtp_hdr->seq_num - 1) && h263->decoder.last_seq){
- if(h263->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);
- }
- h263->decoder.last_seq = rtp_hdr->seq_num;
-
- if((int)(h263->decoder.accumulator_pos + pay_size) <= xsize){
- /* PEBIT is ignored */
- memcpy(&((uint8_t*)h263->decoder.accumulator)[h263->decoder.accumulator_pos], pay_ptr, pay_size);
- h263->decoder.accumulator_pos += pay_size;
- }
- else{
- TSK_DEBUG_WARN("Buffer overflow");
- h263->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");
- *out_max_size = 0;
- h263->decoder.accumulator_pos = 0;
- return 0;
- }
- *out_max_size = xsize;
- }
-
- /* decode the picture */
- av_init_packet(&packet);
- packet.size = h263->decoder.accumulator_pos;
- packet.data = h263->decoder.accumulator;
- ret = avcodec_decode_video2(h263->decoder.context, h263->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(h263->decoder.picture, h263->decoder.context->height);
-#endif
- /* copy picture into a linear buffer */
- avpicture_layout((AVPicture *)h263->decoder.picture, h263->decoder.context->pix_fmt, h263->decoder.context->width, h263->decoder.context->height,
- *out_data, retsize);
- }
- /* in all cases: reset accumulator */
- h263->decoder.accumulator_pos = 0;
- }
-
- return retsize;
-}
-
-tsk_bool_t tdav_codec_h263p_fmtp_match(const tmedia_codec_t* self, const char* fmtp)
-{
- return tdav_codec_h263_fmtp_match(self, fmtp);
-}
-
-char* tdav_codec_h263p_fmtp_get(const tmedia_codec_t* self)
-{
- return tdav_codec_h263_fmtp_get(self);
-}
-
-int tdav_codec_h263p_fmtp_set(tmedia_codec_t* self, const char* fmtp)
-{
- TSK_DEBUG_INFO("remote fmtp=%s", fmtp);
- return 0;
-}
-
-/* constructor */
-static tsk_object_t* tdav_codec_h263p_ctor(tsk_object_t * self, va_list * app)
-{
- tdav_codec_h263p_t *h263p = self;
- if(h263p){
- /* init base: called by tmedia_codec_create() */
- /* init self */
- tdav_codec_h263_init(TDAV_CODEC_H263(self), tdav_codec_h263_1998, CODEC_ID_H263P, CODEC_ID_H263);
- }
- return self;
-}
-/* destructor */
-static tsk_object_t* tdav_codec_h263p_dtor(tsk_object_t * self)
-{
- tdav_codec_h263p_t *h263p = self;
- if(h263p){
- /* deinit base */
- tmedia_codec_video_deinit(h263p);
- /* deinit self */
- tdav_codec_h263_deinit(TDAV_CODEC_H263(self));
- }
-
- return self;
-}
-/* object definition */
-static const tsk_object_def_t tdav_codec_h263p_def_s =
-{
- sizeof(tdav_codec_h263p_t),
- tdav_codec_h263p_ctor,
- tdav_codec_h263p_dtor,
- tmedia_codec_cmp,
-};
-/* plugin definition*/
-static const tmedia_codec_plugin_def_t tdav_codec_h263p_plugin_def_s =
-{
- &tdav_codec_h263p_def_s,
-
- tmedia_video,
- "H263-1998",
- "H263-1998 codec",
- TMEDIA_CODEC_FORMAT_H263_1998,
- tsk_true,
- 90000, // rate
-
- /* audio */
- { 0 },
-
- /* video */
- {176, 144, 15},
-
- tdav_codec_h263p_open,
- tdav_codec_h263p_close,
- tdav_codec_h263p_encode,
- tdav_codec_h263p_decode,
- tdav_codec_h263p_fmtp_match,
- tdav_codec_h263p_fmtp_get,
- tdav_codec_h263p_fmtp_set
-};
-const tmedia_codec_plugin_def_t *tdav_codec_h263p_plugin_def_t = &tdav_codec_h263p_plugin_def_s;
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-/* ============ H.263-2000 Plugin interface ================= */
-
-//
-// H.263-2000 object definition
-//
-
-int tdav_codec_h263pp_open(tmedia_codec_t* self)
-{
- return tdav_codec_h263_open(self);
-}
-
-int tdav_codec_h263pp_close(tmedia_codec_t* self)
-{
- return tdav_codec_h263_close(self);
-}
-
-tsk_size_t tdav_codec_h263pp_encode(tmedia_codec_t* self, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size)
-{
- return tdav_codec_h263_encode(self, in_data, in_size, out_data, out_max_size);
-}
-
-tsk_size_t tdav_codec_h263pp_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)
-{
- return tdav_codec_h263p_decode(self, in_data, in_size, out_data, out_max_size, proto_hdr);
-}
-
-tsk_bool_t tdav_codec_h263pp_fmtp_match(const tmedia_codec_t* self, const char* fmtp)
-{
- return tdav_codec_h263_fmtp_match(self, fmtp);
-}
-
-char* tdav_codec_h263pp_fmtp_get(const tmedia_codec_t* self)
-{
- return tdav_codec_h263_fmtp_get(self);
-}
-
-int tdav_codec_h263pp_fmtp_set(tmedia_codec_t* self, const char* fmtp)
-{
- TSK_DEBUG_INFO("remote fmtp=%s", fmtp);
- return 0;
-}
-
-/* constructor */
-static tsk_object_t* tdav_codec_h263pp_ctor(tsk_object_t * self, va_list * app)
-{
- tdav_codec_h263pp_t *h263pp = self;
- if(h263pp){
- /* init base: called by tmedia_codec_create() */
- /* init self */
- tdav_codec_h263_init(TDAV_CODEC_H263(self), tdav_codec_h263_2000, CODEC_ID_H263P, CODEC_ID_H263);
- }
- return self;
-}
-/* destructor */
-static tsk_object_t* tdav_codec_h263pp_dtor(tsk_object_t * self)
-{
- tdav_codec_h263pp_t *h263pp = self;
- if(h263pp){
- /* deinit base */
- tmedia_codec_video_deinit(h263pp);
- /* deinit self */
- tdav_codec_h263_deinit(TDAV_CODEC_H263(self));
- }
-
- return self;
-}
-/* object definition */
-static const tsk_object_def_t tdav_codec_h263pp_def_s =
-{
- sizeof(tdav_codec_h263pp_t),
- tdav_codec_h263pp_ctor,
- tdav_codec_h263pp_dtor,
- tmedia_codec_cmp,
-};
-/* plugin definition*/
-static const tmedia_codec_plugin_def_t tdav_codec_h263pp_plugin_def_s =
-{
- &tdav_codec_h263pp_def_s,
-
- tmedia_video,
- "H263-2000",
- "H263-2000 codec",
- TMEDIA_CODEC_FORMAT_H263_2000,
- tsk_true,
- 90000, // rate
-
- /* audio */
- { 0 },
-
- /* video */
- {176, 144, 15},
-
- tdav_codec_h263pp_open,
- tdav_codec_h263pp_close,
- tdav_codec_h263pp_encode,
- tdav_codec_h263pp_decode,
- tdav_codec_h263pp_fmtp_match,
- tdav_codec_h263pp_fmtp_get,
- tdav_codec_h263pp_fmtp_set
-};
-const tmedia_codec_plugin_def_t *tdav_codec_h263pp_plugin_def_t = &tdav_codec_h263pp_plugin_def_s;
-
-
-
-/* ============ Callbacks ================= */
-
-static void tdav_codec_h263_encap(const tdav_codec_h263_t* h263, const uint8_t* pdata, tsk_size_t size)
-{
- tsk_bool_t frag = tsk_false;
- register uint32_t i, last_index = 0;
-
- if(size < RTP_PAYLOAD_SIZE){
- goto last;
- }
-
- for(i = 4; i<(size - 4); i++){
- if(pdata[i] == 0x00 && pdata[i+1] == 0x00 && pdata[i+2]>=0x80){ /* PSC or (GBSC) found */
- if((i - last_index) >= RTP_PAYLOAD_SIZE || tsk_true/* FIXME */){
- switch(h263->type){
- case tdav_codec_h263_1996:
- tdav_codec_h263_rtp_callback((tdav_codec_h263_t*) h263, pdata+last_index,
- (i - last_index), (last_index == size));
- break;
- default:
- tdav_codec_h263p_rtp_callback((tdav_codec_h263_t*) h263, pdata + last_index,
- (i - last_index), frag, (last_index == size));
- frag = tsk_true;
- break;
- }
- last_index = i;
- }
- }
- }
-last:
- if(last_index < size){
- switch(h263->type){
- case tdav_codec_h263_1996:
- tdav_codec_h263_rtp_callback((tdav_codec_h263_t*) h263, pdata + last_index,
- (size - last_index), tsk_true);
- break;
- default:
- tdav_codec_h263p_rtp_callback((tdav_codec_h263_t*) h263, pdata + last_index,
- (size - last_index), frag, tsk_true);
- break;
- }
- }
-}
-
-
-static void tdav_codec_h263_rtp_callback(tdav_codec_h263_t *self, const void *data, tsk_size_t size, tsk_bool_t marker)
-{
- uint8_t* pdata = (uint8_t*)data;
-
- if(self->rtp.size < (size + H263_HEADER_MODE_A_SIZE)){
- if(!(self->rtp.ptr = tsk_realloc(self->rtp.ptr, (size + H263_HEADER_MODE_A_SIZE)))){
- TSK_DEBUG_ERROR("Failed to allocate new buffer");
- return;
- }
- self->rtp.size = (size + H263_HEADER_MODE_A_SIZE);
- }
- memcpy((self->rtp.ptr + H263_HEADER_MODE_A_SIZE), data, size);
-
- /* http://eu.sabotage.org/www/ITU/H/H0263e.pdf section 5.1
- * 5.1.1 Picture Start Code (PSC) (22 bits) - PSC is a word of 22 bits. Its value is 0000 0000 0000 0000 1 00000.
-
- *
- * 5.1.1 Picture Start Code (PSC) (22 bits)
- * 5.1.2 Temporal Reference (TR) (8 bits)
- * 5.1.3 Type Information (PTYPE) (Variable Length)
- * – Bit 1: Always "1", in order to avoid start code emulation.
- * – Bit 2: Always "0", for distinction with Recommendation H.261.
-
- * – Bit 3: Split screen indicator, "0" off, "1" on.
- * – Bit 4: Document camera indicator, "0" off, "1" on.
- * – Bit 5: Full Picture Freeze Release, "0" off, "1" on.
- * – Bits 6-8: Source Format, "000" forbidden, "001" sub-QCIF, "010" QCIF, "011" CIF,
- "100" 4CIF, "101" 16CIF, "110" reserved, "111" extended PTYPE.
- If bits 6-8 are not equal to "111", which indicates an extended PTYPE (PLUSPTYPE), the following
- five bits are also present in PTYPE:
- – Bit 9: Picture Coding Type, "0" INTRA (I-picture), "1" INTER (P-picture).
- – Bit 10: Optional Unrestricted Motion Vector mode (see Annex D), "0" off, "1" on.
- – Bit 11: Optional Syntax-based Arithmetic Coding mode (see Annex E), "0" off, "1" on.
- – Bit 12: Optional Advanced Prediction mode (see Annex F), "0" off, "1" on.
- – Bit 13: Optional PB-frames mode (see Annex G), "0" normal I- or P-picture, "1" PB-frame.
- */
- if(pdata[0] == 0x00 && pdata[1] == 0x00 && (pdata[2] & 0xfc)==0x80){ /* PSC */
- /* RFC 2190 -5.1 Mode A
- 0 1 2 3
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- |F|P|SBIT |EBIT | SRC |I|U|S|A|R |DBQ| TRB | TR |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
- SRC : 3 bits
- Source format, bit 6,7 and 8 in PTYPE defined by H.263 [4], specifies
- the resolution of the current picture.
-
- I: 1 bit.
- Picture coding type, bit 9 in PTYPE defined by H.263[4], "0" is
- intra-coded, "1" is inter-coded.
- */
-
- // PDATA[4] ======> Bits 3-10 of PTYPE
- uint32_t rtp_hdr = 0;
- uint8_t format, pict_type;
-
- // Source Format = 4,5,6
- format = (pdata[4] & 0x3C)>>2;
- // Picture Coding Type = 7
- pict_type = (pdata[4] & 0x02)>>1;
- // RTP mode A header
- ((uint8_t*)&rtp_hdr)[1] = (format <<5) | (pict_type << 4);
- //rtp_hdr = tnet_htonl(rtp_hdr);
- memcpy(self->rtp.ptr, &rtp_hdr, sizeof(rtp_hdr));
- }
-
- // Send data over the network
- if(TMEDIA_CODEC_VIDEO(self)->callback){
- TMEDIA_CODEC_VIDEO(self)->callback(TMEDIA_CODEC_VIDEO(self)->callback_data, self->rtp.ptr, (size + H263_HEADER_MODE_A_SIZE), (3003* (30/TMEDIA_CODEC_VIDEO(self)->fps)), marker);
- }
-}
-
-static void tdav_codec_h263p_rtp_callback(tdav_codec_h263_t *self, const void *data, tsk_size_t size, tsk_bool_t frag, tsk_bool_t marker)
-{
- uint8_t* pdata = (uint8_t*)data;
- //uint8_t rtp_hdr[2] = {0x00, 0x00};
- //tsk_bool_t eos = tsk_false;
-
- const void* _ptr = tsk_null;
- tsk_size_t _size = 0;
- //static tsk_bool_t frag = tsk_false;
- //tsk_bool_t found_gob = tsk_false;
-
- /* RFC 4629 - 5.1. General H.263+ Payload Header
- The H.263+ payload header is structured as follows:
- 0 1
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | RR |P|V| PLEN |PEBIT|
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
-
- /* http://eu.sabotage.org/www/ITU/H/H0263e.pdf
- *
- * 5.1.1 Picture Start Code (PSC) (22 bits)
- * ->PSC is a word of 22 bits. Its value is 0000 0000 0000 0000 1 00000.
- * 5.1.27 End Of Sequence (EOS) (22 bits)
- * ->A codeword of 22 bits. Its value is 0000 0000 0000 0000 1 11111
- * 5.2.2 Group of Block Start Code (GBSC) (17 bits)
- * ->A word of 17 bits. Its value is 0000 0000 0000 0000 1
- * C.4.1 End Of Sub-Bitstream code (EOSBS) (23 bits)
- * ->The EOSBS code is a codeword of 23 bits. Its value is 0000 0000 0000 0000 1 11110 0
- *
- *
- * 5.2.3 Group Number (GN) (5 bits)
- * -> last 5 bits
- */
- //if(pdata[0] == 0x00 && pdata[1] == 0x00 && pdata[2] >= 0x80){ /* PSC or EOS or GBSC */
- // uint8_t GN = ((pdata[2]>>2) & 0x1F);
- // found_gob = tsk_true;
- // //TSK_DEBUG_INFO("GN=%u", pdata[2]);
- //
- // /* RFC 4629 - 6.1.1. Packets that begin with a Picture Start Code
- // A packet that begins at the location of a Picture, GOB, slice, EOS,
- // or EOSBS start code shall omit the first two (all zero) bytes from
- // the H.263+ bitstream and signify their presence by setting P=1 in the
- // payload header.
- // */
-
- // if(GN == 0x00){ /* PSC 00000 */
- // /* Use the two first bytes as RTP header */
- // //pdata[0] |= 0x04; // P=1
-
- // /*
- // 0 1 2 3
- // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- // | RR |1|V|0|0|0|0|0|0|0|0|0| bitstream data without the :
- // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- // : first two 0 bytes of the PSC
- // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- // */
-
- // //TSK_DEBUG_INFO("H263 - PSC");
- // }
- // else if(GN == 0x1F){ /* EOS 11111 */
- // /* Use the two first bytes as RTP header */
- // //pdata[0] |= 0x04; // P=1
- // eos = tsk_true;
- // /* RFC 4629 - 6.1.3. Packets that begin with an EOS or EOSBS Code
- // 0 1 2
- // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3
- // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- // | RR |1|V|0|0|0|0|0|0|0|0|0|1|1|1|1|1|1|0|0|
- // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- // */
- // //TSK_DEBUG_INFO("H263 - EOS");
- // }
- // else /*if((GN >> 4) == 0x01)*/{ /* GBSC 10000 */
- // /* Use the two first bytes as RTP header */
- // //pdata[0] |= 0x04; // P=1
- //
- // /* RFC 4629 - 6.1.2. Packets that begin with GBSC or SSC
- // 0 1 2 3
- // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- // | RR |1|V|0 0 1 0 0 1|PEBIT|1 0 0 0 0 0| picture header :
- // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- // : starting with TR, PTYPE ... |
- // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- // | ... | bitstream :
- // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- // : data starting with GBSC/SSC without its first two 0 bytes
- // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- // */
- // //TSK_DEBUG_INFO("H263 - GBSC");
- // found_gob = tsk_false;
- // }
- // //else if(EOSBS) -> Not Supported
- //}
- //else{
- // /* 6.2. Encapsulating Follow-on Packet (P=0) */
- // int i = 0;
- // i++;
- //}
-
- //if(/*eos*/!found_gob && frag){
- // if(self->rtp.size < (size + 2/* H263+ Header size */)){
- // if(!(self->rtp.ptr = tsk_realloc(self->rtp.ptr, (size + 2)))){
- // TSK_DEBUG_ERROR("Failed to allocate new buffer");
- // return;
- // }
- // self->rtp.size = (size + 2);
- // }
- // /* RFC 4629 - 6. Packetization Schemes */
- // //rtp_hdr[0] |= 0x00;
- // //memcpy(self->rtp.ptr, rtp_hdr/* zeros-> is it corretc? */, 2);
- // //memcpy((self->rtp.ptr + 2), pdata, size);
- // //_ptr = self->rtp.ptr;
- // //_size = (size + 2);
-
- // pdata[0] |= pdata[2] > 0x80 ? 0x04 : 0x04;
- // _ptr = pdata;
- // _size = size;
- //}
- //else{
- // pdata[0] |= pdata[2] > 0x80 ? 0x04 : 0x04;
- // _ptr = pdata;
- // _size = size;
- //}
-
-// FIXME
- pdata[0] |= pdata[2] > 0x80 ? 0x04 : 0x04;
- _ptr = pdata;
- _size = size;
-
-
- // Send data over the network
- if(TMEDIA_CODEC_VIDEO(self)->callback){
- TMEDIA_CODEC_VIDEO(self)->callback(TMEDIA_CODEC_VIDEO(self)->callback_data, _ptr, _size, (3003* (30/TMEDIA_CODEC_VIDEO(self)->fps)), marker);
- }
-}
-
-
-
-#endif /* HAVE_FFMPEG */
\ No newline at end of file |
