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-rw-r--r--branches/1.0/tinyDAV/src/codecs/h264/tdav_codec_h264.c871
1 files changed, 0 insertions, 871 deletions
diff --git a/branches/1.0/tinyDAV/src/codecs/h264/tdav_codec_h264.c b/branches/1.0/tinyDAV/src/codecs/h264/tdav_codec_h264.c
deleted file mode 100644
index 1f4be60..0000000
--- a/branches/1.0/tinyDAV/src/codecs/h264/tdav_codec_h264.c
+++ /dev/null
@@ -1,871 +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_h264.c
- * @brief H.264 codec plugin
- * RTP payloader/depayloader follows RFC 3984
- *
- * @author Mamadou Diop <diopmamadou(at)doubango.org>
- *
- * @date Created: Sat Nov 8 16:54:58 2009 mdiop
- */
-#include "tinydav/codecs/h264/tdav_codec_h264.h"
-
-#if HAVE_FFMPEG && (!defined(HAVE_H264) || HAVE_H264)
-
-#include "tinydav/codecs/h264/tdav_codec_h264_rtp.h"
-#include "tinydav/video/tdav_converter_video.h"
-
-#include "tinyrtp/rtp/trtp_rtp_packet.h"
-
-#include "tsk_params.h"
-#include "tsk_memory.h"
-#include "tsk_debug.h"
-
-#define H264_PACKETIZATION_MODE Non_Interleaved_Mode
-#define H264_MAX_BR 452
-#define H264_MAX_MBPS 11880
-
-int tdav_codec_h264_init(tdav_codec_h264_t* self, tdav_codec_h264_profile_t profile);
-int tdav_codec_h264_deinit(tdav_codec_h264_t* self);
-tdav_codec_h264_profile_t tdav_codec_h264_get_profile(const char* fmtp);
-
-static void tdav_codec_h264_encap(const tdav_codec_h264_t* h264, const uint8_t* pdata, tsk_size_t size);
-
-/* ============ H.264 Base Profile X.X Plugin interface functions ================= */
-
-#define tdav_codec_h264_fmtp_set tsk_null /* FIXME: should be removed from all plugins (useless) */
-
-int tdav_codec_h264_open(tmedia_codec_t* self)
-{
- int ret;
- int size;
- float bitRate;
-
- tdav_codec_h264_t* h264 = (tdav_codec_h264_t*)self;
-
- if(!h264){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- /* the caller (base class) already checked that the codec is not opened */
-
-
- //
- // Encoder
- //
- h264->encoder.context = avcodec_alloc_context();
- avcodec_get_context_defaults(h264->encoder.context);
-
-#if TDAV_UNDER_WINDOWS
- h264->encoder.context->dsp_mask = (FF_MM_MMX | FF_MM_MMXEXT | FF_MM_SSE);
-#endif
-
- h264->encoder.context->pix_fmt = PIX_FMT_YUV420P;
- h264->encoder.context->time_base.num = 1;
- h264->encoder.context->time_base.den = TMEDIA_CODEC_VIDEO(h264)->fps;
- h264->encoder.context->width = TMEDIA_CODEC_VIDEO(h264)->width;
- h264->encoder.context->height = TMEDIA_CODEC_VIDEO(h264)->height;
-
- h264->encoder.context->rc_lookahead = 0;
-
- //h264->encoder.context->refs = 1;
- h264->encoder.context->scenechange_threshold = 0;
- h264->encoder.context->me_subpel_quality = 0;
- h264->encoder.context->partitions = X264_PART_I4X4 | X264_PART_I8X8 | X264_PART_P8X8 | X264_PART_B8X8;
- h264->encoder.context->me_method = ME_EPZS;
- h264->encoder.context->trellis = 0;
-
- h264->encoder.context->me_range = 16;
- h264->encoder.context->max_qdiff = 4;
- h264->encoder.context->mb_qmin = h264->encoder.context->qmin = 10;
- h264->encoder.context->mb_qmax = h264->encoder.context->qmax = 51;
- h264->encoder.context->qcompress = 0.6f;
- h264->encoder.context->mb_decision = FF_MB_DECISION_SIMPLE;
- h264->encoder.context->flags2 |= CODEC_FLAG2_FASTPSKIP;
- h264->encoder.context->flags |= CODEC_FLAG_LOOP_FILTER;
- h264->encoder.context->flags |= CODEC_FLAG_GLOBAL_HEADER;
- h264->encoder.context->max_b_frames = 0;
- h264->encoder.context->b_frame_strategy = 1;
- h264->encoder.context->chromaoffset = 0;
-
- switch(h264->profile){
- case tdav_codec_h264_bp10:
- default:
- h264->encoder.context->profile = FF_PROFILE_H264_BASELINE;
- h264->encoder.context->level = 10;
- bitRate = 128000.f;
- break;
- case tdav_codec_h264_bp20:
- h264->encoder.context->profile = FF_PROFILE_H264_BASELINE;
- h264->encoder.context->level = 20;
- bitRate = 491400.f;
- break;
- case tdav_codec_h264_bp30:
- h264->encoder.context->profile = FF_PROFILE_H264_BASELINE;
- h264->encoder.context->level = 30;
- bitRate = 2725300.f;
- break;
- }
-
- h264->encoder.context->crf = 22;
- h264->encoder.context->thread_count = 0;
- h264->encoder.context->rtp_payload_size = H264_RTP_PAYLOAD_SIZE;
- h264->encoder.context->opaque = tsk_null;
- //h264->encoder.context->bit_rate = (int) (bitRate * 0.80f);
- //h264->encoder.context->bit_rate_tolerance = (int) (bitRate * 0.20f);
- h264->encoder.context->gop_size = TMEDIA_CODEC_VIDEO(h264)->fps*4; // Each 4 second(s)
-
-
- // Picture (YUV 420)
- if(!(h264->encoder.picture = avcodec_alloc_frame())){
- TSK_DEBUG_ERROR("Failed to create encoder picture");
- return -2;
- }
- avcodec_get_frame_defaults(h264->encoder.picture);
-
-
- size = avpicture_get_size(PIX_FMT_YUV420P, h264->encoder.context->width, h264->encoder.context->height);
- if(!(h264->encoder.buffer = tsk_calloc(size, sizeof(uint8_t)))){
- TSK_DEBUG_ERROR("Failed to allocate encoder buffer");
- return -2;
- }
-
- // Open encoder
- if((ret = avcodec_open(h264->encoder.context, h264->encoder.codec)) < 0){
- TSK_DEBUG_ERROR("Failed to open [%s] codec", TMEDIA_CODEC(h264)->plugin->desc);
- return ret;
- }
-
- //
- // Decoder
- //
- h264->decoder.context = avcodec_alloc_context();
- avcodec_get_context_defaults(h264->decoder.context);
-
- h264->decoder.context->pix_fmt = PIX_FMT_YUV420P;
- h264->decoder.context->flags2 |= CODEC_FLAG2_FAST;
- h264->decoder.context->width = TMEDIA_CODEC_VIDEO(h264)->width;
- h264->decoder.context->height = TMEDIA_CODEC_VIDEO(h264)->height;
-
-#if TDAV_UNDER_WINDOWS
- h264->decoder.context->dsp_mask = (FF_MM_MMX | FF_MM_MMXEXT | FF_MM_SSE);
-#endif
-
- // Picture (YUV 420)
- if(!(h264->decoder.picture = avcodec_alloc_frame())){
- TSK_DEBUG_ERROR("Failed to create decoder picture");
- return -2;
- }
- avcodec_get_frame_defaults(h264->decoder.picture);
-
- size = avpicture_get_size(PIX_FMT_YUV420P, h264->decoder.context->width, h264->decoder.context->height);
- if(!(h264->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(h264->decoder.context, h264->decoder.codec)) < 0){
- TSK_DEBUG_ERROR("Failed to open [%s] codec", TMEDIA_CODEC(h264)->plugin->desc);
- return ret;
- }
-
- return 0;
-}
-
-int tdav_codec_h264_close(tmedia_codec_t* self)
-{
- tdav_codec_h264_t* h264 = (tdav_codec_h264_t*)self;
-
- if(!h264){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- /* the caller (base class) already checked that the codec is opened */
-
- //
- // Encoder
- //
- if(h264->encoder.context){
- avcodec_close(h264->encoder.context);
- av_free(h264->encoder.context);
- }
- if(h264->encoder.picture){
- av_free(h264->encoder.picture);
- }
- if(h264->encoder.buffer){
- TSK_FREE(h264->encoder.buffer);
- }
-
- //
- // Decoder
- //
- if(h264->decoder.context){
- avcodec_close(h264->decoder.context);
- av_free(h264->decoder.context);
- }
- if(h264->decoder.picture){
- av_free(h264->decoder.picture);
- }
- if(h264->decoder.accumulator){
- TSK_FREE(h264->decoder.accumulator);
- h264->decoder.accumulator_pos = 0;
- }
-
- return 0;
-}
-
-tsk_size_t tdav_codec_h264_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 = 0;
- int size;
-
- tdav_codec_h264_t* h264 = (tdav_codec_h264_t*)self;
-
- if(!self || !in_data || !in_size || !out_data){
- TSK_DEBUG_ERROR("Invalid parameter");
- return 0;
- }
-
- if(!self->opened){
- TSK_DEBUG_ERROR("Codec not opened");
- return 0;
- }
-
- // wrap yuv420 buffer
- size = avpicture_fill((AVPicture *)h264->encoder.picture, (uint8_t*)in_data, PIX_FMT_YUV420P, h264->encoder.context->width, h264->encoder.context->height);
- if(size != in_size){
- /* guard */
- TSK_DEBUG_ERROR("Invalid size");
- return 0;
- }
- /* Flip */
-#if FLIP_ENCODED_PICT
- tdav_converter_video_flip(h264->encoder.picture, h264->encoder.context->height);
-#endif
-
- if((h264->encoder.frame_count < (int)TMEDIA_CODEC_VIDEO(h264)->fps*3)
- && ((h264->encoder.frame_count++%TMEDIA_CODEC_VIDEO(h264)->fps)==0)){
-
- // You must patch FFmpeg to switch from X264_TYPE_AUTO to X264_TYPE_IDR
- h264->encoder.picture->pict_type = FF_I_TYPE;
- tdav_codec_h264_encap(h264, h264->encoder.context->extradata, (tsk_size_t)h264->encoder.context->extradata_size);
- }
- else{
- // Encode data
- h264->encoder.picture->pts = AV_NOPTS_VALUE;
- ret = avcodec_encode_video(h264->encoder.context, h264->encoder.buffer, size, h264->encoder.picture);
- if(ret >0){
- tdav_codec_h264_encap(h264, h264->encoder.buffer, (tsk_size_t)ret);
- }
- h264->encoder.picture->pict_type = 0;//reset
- }
-
- return 0;
-}
-
-tsk_size_t tdav_codec_h264_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_h264_t* h264 = (tdav_codec_h264_t*)self;
- const trtp_rtp_header_t* rtp_hdr = proto_hdr;
-
- const uint8_t* pay_ptr = tsk_null;
- tsk_size_t pay_size = 0;
- int ret;
- tsk_bool_t append_scp;
- tsk_size_t xsize, retsize = 0;
- int got_picture_ptr;
-
- if(!h264 || !in_data || !in_size || !out_data || !h264->decoder.context){
- TSK_DEBUG_ERROR("Invalid parameter");
- return 0;
- }
-
- //TSK_DEBUG_INFO("SeqNo=%hu", rtp_hdr->seq_num);
-
- /* Packet lost? */
- if(h264->decoder.last_seq != (rtp_hdr->seq_num - 1) && h264->decoder.last_seq){
- if(h264->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);
- }
- h264->decoder.last_seq = rtp_hdr->seq_num;
-
-
- /* 5.3. NAL Unit Octet Usage
- +---------------+
- |0|1|2|3|4|5|6|7|
- +-+-+-+-+-+-+-+-+
- |F|NRI| Type |
- +---------------+
- */
- if(*((uint8_t*)in_data) >> 7){
- TSK_DEBUG_WARN("F=1");
- /* reset accumulator */
- h264->decoder.accumulator = 0;
- return 0;
- }
-
- /* get payload */
- if((ret = tdav_codec_h264_get_pay(in_data, in_size, (const void**)&pay_ptr, &pay_size, &append_scp)) || !pay_ptr || !pay_size){
- TSK_DEBUG_ERROR("Depayloader failed to get H.264 content");
- return 0;
- }
- xsize = avpicture_get_size(h264->decoder.context->pix_fmt, h264->decoder.context->width, h264->decoder.context->height);
-
- if((int)(h264->decoder.accumulator_pos + pay_size) <= xsize){
- if(append_scp){
- memcpy(&((uint8_t*)h264->decoder.accumulator)[h264->decoder.accumulator_pos], H264_START_CODE_PREFIX, sizeof(H264_START_CODE_PREFIX));
- h264->decoder.accumulator_pos += sizeof(H264_START_CODE_PREFIX);
- }
-
- memcpy(&((uint8_t*)h264->decoder.accumulator)[h264->decoder.accumulator_pos], pay_ptr, pay_size);
- h264->decoder.accumulator_pos += pay_size;
- }
- else{
- TSK_DEBUG_WARN("Buffer overflow");
- h264->decoder.accumulator_pos = 0;
- return 0;
- }
-
- if(rtp_hdr->marker){
- AVPacket packet;
-
-
- /* decode the picture */
- av_init_packet(&packet);
- packet.size = h264->decoder.accumulator_pos;
- packet.data = h264->decoder.accumulator;
- ret = avcodec_decode_video2(h264->decoder.context, h264->decoder.picture, &got_picture_ptr, &packet);
-
- if(ret <0){
- TSK_DEBUG_ERROR("=============Failed to decode the buffer");
- }
- else if(got_picture_ptr){
-#if FLIP_DECODED_PICT
- tdav_converter_video_flip(h264->decoder.picture, h264->decoder.context->height);
-#endif
- /* fill out */
- if(*out_max_size<xsize){
- if((*out_data = tsk_realloc(*out_data, xsize))){
- *out_max_size = xsize;
- }
- else{
- *out_max_size = 0;
- return 0;
- }
- }
- retsize = xsize;
- avpicture_layout((AVPicture *)h264->decoder.picture, h264->decoder.context->pix_fmt, h264->decoder.context->width, h264->decoder.context->height,
- *out_data, retsize);
- }
- h264->decoder.accumulator_pos = 0;
- }
-
- return retsize;
-}
-
-tsk_bool_t tdav_codec_h264_fmtp_match(const tmedia_codec_t* codec, const char* fmtp)
-{
- tdav_codec_h264_t* h264 = (tdav_codec_h264_t*)codec;
- tsk_params_L_t* params = tsk_null;
- int val_int;
- const char* val_str;
- tsk_bool_t ret = tsk_true;
- tdav_codec_h264_profile_t profile;
-
- if(!h264){
- TSK_DEBUG_ERROR("Invalid parameter");
- return tsk_false;
- }
-
- TSK_DEBUG_INFO("Trying to match [%s]", fmtp);
-
- /* Check whether the profile match (If the profile is missing, then we consider that it's ok) */
- if(((profile = tdav_codec_h264_get_profile(fmtp)) != tdav_codec_h264_bp99) && (profile != h264->profile)){
- TSK_DEBUG_INFO("Profile not matching");
- return tsk_false;
- }
-
- /* e.g. profile-level-id=42e00a; packetization-mode=1; max-br=452; max-mbps=11880 */
- if((params = tsk_params_fromstring(fmtp, ";", tsk_true))){
-
- /* === max-br ===*/
- if((val_int = tsk_params_get_param_value_as_int(params, "max-br")) != -1){
- // should compare "max-br"?
- TMEDIA_CODEC_VIDEO(h264)->max_br = val_int*1000;
- }
-
- /* === max-mbps ===*/
- if((val_int = tsk_params_get_param_value_as_int(params, "max-mbps")) != -1){
- // should compare "max-mbps"?
- TMEDIA_CODEC_VIDEO(h264)->max_mbps = val_int*1000;
- }
-
- /* === packetization-mode ===*/
- if((val_int = tsk_params_get_param_value_as_int(params, "packetization-mode")) != -1){
- if((packetization_mode_t)val_int == Single_NAL_Unit_Mode || (packetization_mode_t)val_int == Non_Interleaved_Mode){
- h264->pack_mode = (packetization_mode_t)val_int;
- }
- else{
- TSK_DEBUG_INFO("packetization-mode not matching");
- ret = tsk_false;
- goto bail;
- }
- }
-
- /* === profile-level-id ===*/
- if((val_str = tsk_params_get_param_value(params, "profile-level-id"))){
- level_idc_t l_idc;
- /* profile-idc and level-idc already tested by tdav_codec_h264_get_profile() */
- tdav_codec_h264_parse_profile(val_str, tsk_null, tsk_null, &l_idc);
- switch(l_idc){
- case level_idc_1_0:
- case level_idc_1_b:
- case level_idc_1_1:
- TMEDIA_CODEC_VIDEO(h264)->width = 176, TMEDIA_CODEC_VIDEO(h264)->height = 144;
- break;
- default:
- TMEDIA_CODEC_VIDEO(h264)->width = 352, TMEDIA_CODEC_VIDEO(h264)->height = 288;
- //TMEDIA_CODEC_VIDEO(h264)->width = 704, TMEDIA_CODEC_VIDEO(h264)->height = 480;
- break;
- }
- }
- }
-
-bail:
- TSK_OBJECT_SAFE_FREE(params);
- return ret;
-}
-
-char* tdav_codec_h264_fmtp_get(const tmedia_codec_t* self)
-{
- tdav_codec_h264_t* h264 = (tdav_codec_h264_t*)self;
- char* fmtp = tsk_null;
-
- if(!h264){
- TSK_DEBUG_ERROR("Invalid parameter");
- return tsk_null;
- }
-
- switch(h264->profile){
- case tdav_codec_h264_bp10:
- fmtp = tsk_strdup("profile-level-id=42e00a");
- break;
- case tdav_codec_h264_bp20:
- fmtp = tsk_strdup("profile-level-id=42e014");
- break;
- case tdav_codec_h264_bp30:
- fmtp = tsk_strdup("profile-level-id=42e01e");
- break;
- }
-
- if(fmtp){
- tsk_strcat_2(&fmtp, "; packetization-mode=%d; max-br=%d; max-mbps=%d",
- h264->pack_mode, TMEDIA_CODEC_VIDEO(h264)->max_br/1000, TMEDIA_CODEC_VIDEO(h264)->max_mbps/1000);
- }
-
- return fmtp;
-}
-
-
-
-
-/* ============ H.264 Base Profile 1.0 Plugin interface ================= */
-
-/* constructor */
-static tsk_object_t* tdav_codec_h264_bp10_ctor(tsk_object_t * self, va_list * app)
-{
- tdav_codec_h264_t *h264 = self;
- if(h264){
- /* init base: called by tmedia_codec_create() */
- /* init self */
- tdav_codec_h264_init(h264, tdav_codec_h264_bp10);
- }
- return self;
-}
-/* destructor */
-static tsk_object_t* tdav_codec_h264_bp10_dtor(tsk_object_t * self)
-{
- tdav_codec_h264_t *h264 = self;
- if(h264){
- /* deinit base */
- tmedia_codec_video_deinit(self);
- /* deinit self */
- tdav_codec_h264_deinit(h264);
-
- }
-
- return self;
-}
-/* object definition */
-static const tsk_object_def_t tdav_codec_h264_bp10_def_s =
-{
- sizeof(tdav_codec_h264_t),
- tdav_codec_h264_bp10_ctor,
- tdav_codec_h264_bp10_dtor,
- tmedia_codec_cmp,
-};
-/* plugin definition*/
-static const tmedia_codec_plugin_def_t tdav_codec_h264_bp10_plugin_def_s =
-{
- &tdav_codec_h264_bp10_def_s,
-
- tmedia_video,
- "H264",
- "H264 Base Profile 1.0",
- TMEDIA_CODEC_FORMAT_H264_BP10,
- tsk_true,
- 90000, // rate
-
- /* audio */
- { 0 },
-
- /* video */
- {176, 144, 15},
-
- tdav_codec_h264_open,
- tdav_codec_h264_close,
- tdav_codec_h264_encode,
- tdav_codec_h264_decode,
- tdav_codec_h264_fmtp_match,
- tdav_codec_h264_fmtp_get,
- tdav_codec_h264_fmtp_set
-};
-const tmedia_codec_plugin_def_t *tdav_codec_h264_bp10_plugin_def_t = &tdav_codec_h264_bp10_plugin_def_s;
-
-
-/* ============ H.264 Base Profile 2.0 Plugin interface ================= */
-
-/* constructor */
-static tsk_object_t* tdav_codec_h264_bp20_ctor(tsk_object_t * self, va_list * app)
-{
- tdav_codec_h264_t *h264 = self;
- if(h264){
- /* init base: called by tmedia_codec_create() */
- /* init self */
- tdav_codec_h264_init(h264, tdav_codec_h264_bp20);
- }
- return self;
-}
-/* destructor */
-static tsk_object_t* tdav_codec_h264_bp20_dtor(tsk_object_t * self)
-{
- tdav_codec_h264_t *h264 = self;
- if(h264){
- /* deinit base */
- tmedia_codec_video_deinit(self);
- /* deinit self */
- tdav_codec_h264_deinit(h264);
-
- }
-
- return self;
-}
-/* object definition */
-static const tsk_object_def_t tdav_codec_h264_bp20_def_s =
-{
- sizeof(tdav_codec_h264_t),
- tdav_codec_h264_bp20_ctor,
- tdav_codec_h264_bp20_dtor,
- tmedia_codec_cmp,
-};
-/* plugin definition*/
-static const tmedia_codec_plugin_def_t tdav_codec_h264_bp20_plugin_def_s =
-{
- &tdav_codec_h264_bp20_def_s,
-
- tmedia_video,
- "H264",
- "H264 Base Profile 2.0",
- TMEDIA_CODEC_FORMAT_H264_BP20,
- tsk_true,
- 90000, // rate
-
- /* audio */
- { 0 },
-
- /* video */
- {352, 288, 15},
-
- tdav_codec_h264_open,
- tdav_codec_h264_close,
- tdav_codec_h264_encode,
- tdav_codec_h264_decode,
- tdav_codec_h264_fmtp_match,
- tdav_codec_h264_fmtp_get,
- tdav_codec_h264_fmtp_set
-};
-const tmedia_codec_plugin_def_t *tdav_codec_h264_bp20_plugin_def_t = &tdav_codec_h264_bp20_plugin_def_s;
-
-
-/* ============ H.264 Base Profile 3.0 Plugin interface ================= */
-
-/* constructor */
-static tsk_object_t* tdav_codec_h264_bp30_ctor(tsk_object_t * self, va_list * app)
-{
- tdav_codec_h264_t *h264 = self;
- if(h264){
- /* init base: called by tmedia_codec_create() */
- /* init self */
- tdav_codec_h264_init(h264, tdav_codec_h264_bp30);
- }
- return self;
-}
-/* destructor */
-static tsk_object_t* tdav_codec_h264_bp30_dtor(tsk_object_t * self)
-{
- tdav_codec_h264_t *h264 = self;
- if(h264){
- /* deinit base */
- tmedia_codec_video_deinit(self);
- /* deinit self */
- tdav_codec_h264_deinit(h264);
-
- }
-
- return self;
-}
-/* object definition */
-static const tsk_object_def_t tdav_codec_h264_bp30_def_s =
-{
- sizeof(tdav_codec_h264_t),
- tdav_codec_h264_bp30_ctor,
- tdav_codec_h264_bp30_dtor,
- tmedia_codec_cmp,
-};
-/* plugin definition*/
-static const tmedia_codec_plugin_def_t tdav_codec_h264_bp30_plugin_def_s =
-{
- &tdav_codec_h264_bp30_def_s,
-
- tmedia_video,
- "H264",
- "H264 Base Profile 3.0",
- TMEDIA_CODEC_FORMAT_H264_BP30,
- tsk_true,
- 90000, // rate
-
- /* audio */
- { 0 },
-
- /* video */
- {352, 288, 15},
-
- tdav_codec_h264_open,
- tdav_codec_h264_close,
- tdav_codec_h264_encode,
- tdav_codec_h264_decode,
- tdav_codec_h264_fmtp_match,
- tdav_codec_h264_fmtp_get,
- tdav_codec_h264_fmtp_set
-};
-const tmedia_codec_plugin_def_t *tdav_codec_h264_bp30_plugin_def_t = &tdav_codec_h264_bp30_plugin_def_s;
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-/* ============ Common To all H264 codecs ================= */
-
-int tdav_codec_h264_init(tdav_codec_h264_t* self, tdav_codec_h264_profile_t profile)
-{
- int ret = 0;
-
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- self->pack_mode = H264_PACKETIZATION_MODE;
- self->profile = profile;
- TMEDIA_CODEC_VIDEO(self)->max_mbps = H264_MAX_MBPS*1000;
- TMEDIA_CODEC_VIDEO(self)->max_br = H264_MAX_BR*1000;
-
- // At this time self->plugin is Null
- TMEDIA_CODEC_VIDEO(self)->width = 176;
- TMEDIA_CODEC_VIDEO(self)->height = 144;
- TMEDIA_CODEC_VIDEO(self)->fps = 15;
-
- if(!(self->encoder.codec = avcodec_find_encoder(CODEC_ID_H264))){
- TSK_DEBUG_ERROR("Failed to find H.264 encoder");
- ret = -2;
- }
-
- if(!(self->decoder.codec = avcodec_find_decoder(CODEC_ID_H264))){
- TSK_DEBUG_ERROR("Failed to find H.264 decoder");
- ret = -3;
- }
-
- /* allocations MUST be done by open() */
- return ret;
-}
-
-int tdav_codec_h264_deinit(tdav_codec_h264_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;
-}
-
-tdav_codec_h264_profile_t tdav_codec_h264_get_profile(const char* fmtp)
-{
- tdav_codec_h264_profile_t profile = tdav_codec_h264_bp99;
- tsk_size_t size = tsk_strlen(fmtp);
- int start, end;
-
- if((start = tsk_strindexOf(fmtp, size, "profile-level-id")) !=-1){
- tsk_param_t* param;
- if((end = tsk_strindexOf((fmtp+start), (size-start), ";")) == -1){
- end = size;
- }
-
- if((param = tsk_params_parse_param((fmtp+start), (end-start)))){
- profile_idc_t p_idc;
- level_idc_t l_idc;
- if(param->value){
- tsk_strtrim_both(&param->value);
- }
-
- tdav_codec_h264_parse_profile(param->value, &p_idc, tsk_null, &l_idc);
-
- switch(p_idc){
- case profile_idc_baseline:
- switch(l_idc){
- case level_idc_1_0:
- case level_idc_1_b:
- case level_idc_1_1:
- case level_idc_1_2:
- case level_idc_1_3:
- profile = tdav_codec_h264_bp10;
- break;
- case level_idc_2_0:
- case level_idc_2_1:
- case level_idc_2_2:
- profile = tdav_codec_h264_bp20;
- break;
- case level_idc_3_0:
- profile = tdav_codec_h264_bp30;
- break;
- }
- break;
- case profile_idc_extended:
- case profile_idc_main:
- case profile_idc_high:
- default:
- /* Not supported */
- break;
- }
-
- TSK_OBJECT_SAFE_FREE(param);
- }
- }
- return profile;
-}
-
-static void tdav_codec_h264_encap(const tdav_codec_h264_t* h264, const uint8_t* pdata, tsk_size_t size)
-{
- register uint32_t i;
- uint32_t last_scp, prev_scp;
- static uint32_t size_of_scp = sizeof(H264_START_CODE_PREFIX); /* we know it's equal to 4 ..but */
-
- if(!pdata || !size){
- return;
- }
-
- last_scp = 0, prev_scp = 0;
-/*
-#if 1
- if(size < H264_RTP_PAYLOAD_SIZE){
- goto last;
- }
-#else
- goto last;
-#endif
-*/
- for(i = size_of_scp; i<(size - size_of_scp); i++){
- if(pdata[i] == H264_START_CODE_PREFIX[0] && pdata[i+1] == H264_START_CODE_PREFIX[1] && pdata[i+2] == H264_START_CODE_PREFIX[2] && pdata[i+3] == H264_START_CODE_PREFIX[3]){ /* Found Start Code Prefix */
- prev_scp = last_scp;
- if((i - last_scp) >= H264_RTP_PAYLOAD_SIZE || 1){
- tdav_codec_h264_rtp_callback((tdav_codec_h264_t*) h264, pdata + prev_scp,
- (i - prev_scp), (prev_scp == size));
- }
- last_scp = i;
- }
- }
-//last:
- if(last_scp < size){
- tdav_codec_h264_rtp_callback((tdav_codec_h264_t*) h264, pdata + last_scp,
- (size - last_scp), tsk_true);
- }
-}
-
-#endif /* HAVE_FFMPEG */
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