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Diffstat (limited to 'tinyDAV/src/codecs/theora/tdav_codec_theora.c')
-rwxr-xr-xtinyDAV/src/codecs/theora/tdav_codec_theora.c1394
1 files changed, 694 insertions, 700 deletions
diff --git a/tinyDAV/src/codecs/theora/tdav_codec_theora.c b/tinyDAV/src/codecs/theora/tdav_codec_theora.c
index 01072c3..620d6ed 100755
--- a/tinyDAV/src/codecs/theora/tdav_codec_theora.c
+++ b/tinyDAV/src/codecs/theora/tdav_codec_theora.c
@@ -2,19 +2,19 @@
* Copyright (C) 2010-2011 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.
*
@@ -55,64 +55,63 @@
#define THEORA_IDENT_HEADER_SIZE 42 /* 6.2 Identification Header Decode */
#define THEORA_CONF_SEND_COUNT 10 /* at 250ms, 500ms, 1000ms, .... */
-typedef struct tdav_codec_theora_s
-{
- TMEDIA_DECLARE_CODEC_VIDEO;
-
- struct{
- uint8_t* ptr;
- tsk_size_t size;
- } rtp;
-
- // Encoder
- struct{
- AVCodec* codec;
- AVCodecContext* context;
- AVFrame* picture;
- void* buffer;
-
- uint64_t conf_last;
- int conf_count;
- tsk_bool_t force_idr;
- int quality;
- int rotation;
- int32_t max_bw_kpbs;
- } encoder;
-
- // decoder
- struct{
- AVCodec* codec;
- AVCodecContext* context;
- AVFrame* picture;
-
- tsk_bool_t opened;
- uint8_t conf_ident[3];
- tsk_buffer_t* conf_pkt;
-
- void* accumulator;
- uint8_t ebit;
- tsk_size_t accumulator_pos;
- uint16_t last_seq;
- } decoder;
+typedef struct tdav_codec_theora_s {
+ TMEDIA_DECLARE_CODEC_VIDEO;
+
+ struct {
+ uint8_t* ptr;
+ tsk_size_t size;
+ } rtp;
+
+ // Encoder
+ struct {
+ AVCodec* codec;
+ AVCodecContext* context;
+ AVFrame* picture;
+ void* buffer;
+
+ uint64_t conf_last;
+ int conf_count;
+ tsk_bool_t force_idr;
+ int quality;
+ int rotation;
+ int32_t max_bw_kpbs;
+ } encoder;
+
+ // decoder
+ struct {
+ AVCodec* codec;
+ AVCodecContext* context;
+ AVFrame* picture;
+
+ tsk_bool_t opened;
+ uint8_t conf_ident[3];
+ tsk_buffer_t* conf_pkt;
+
+ void* accumulator;
+ uint8_t ebit;
+ tsk_size_t accumulator_pos;
+ uint16_t last_seq;
+ } decoder;
}
tdav_codec_theora_t;
/* 2.2. Payload Header filed 'F'*/
-typedef enum theora_frag_type_e{
- Not_Fragmented = 0,
- Start_Fragment = 1,
- Continuation_Fragment = 2,
- End_Fragment = 3,
+typedef enum theora_frag_type_e {
+ Not_Fragmented = 0,
+ Start_Fragment = 1,
+ Continuation_Fragment = 2,
+ End_Fragment = 3,
}
theora_frag_type_t;
/* 2.2. Payload Header field 'TDT'*/
-typedef enum theora_datatype_e{
- Raw_Theora_payload = 0,
- Theora_Packed_Configuration_payload = 1,
- Legacy_Theora_Comment_payload = 2,
- Reserved = 3,
+typedef enum theora_datatype_e {
+ Raw_Theora_payload = 0,
+ Theora_Packed_Configuration_payload = 1,
+ Legacy_Theora_Comment_payload = 2,
+ Reserved = 3,
}
theora_datatype_t;
@@ -130,399 +129,396 @@ static void tdav_codec_theora_encap(tdav_codec_theora_t* theora, const uint8_t*
static int tdav_codec_theora_set(tmedia_codec_t* self, const tmedia_param_t* param)
{
- tdav_codec_theora_t* theora = (tdav_codec_theora_t*)self;
- if(!self->opened){
- TSK_DEBUG_ERROR("Codec not opened");
- return -1;
- }
- if(param->value_type == tmedia_pvt_int32){
- if(tsk_striequals(param->key, "action")){
- tmedia_codec_action_t action = (tmedia_codec_action_t)TSK_TO_INT32((uint8_t*)param->value);
- switch(action){
- case tmedia_codec_action_encode_idr:
- {
- theora->encoder.force_idr = tsk_true;
- break;
- }
- case tmedia_codec_action_bw_down:
- {
- theora->encoder.quality = TSK_CLAMP(1, (theora->encoder.quality + 1), 31);
- theora->encoder.context->global_quality = FF_QP2LAMBDA * theora->encoder.quality;
- break;
- }
- case tmedia_codec_action_bw_up:
- {
- theora->encoder.quality = TSK_CLAMP(1, (theora->encoder.quality - 1), 31);
- theora->encoder.context->global_quality = FF_QP2LAMBDA * theora->encoder.quality;
- break;
- }
- }
- }
- // FIXME: not working as expected
- /*else if(tsk_striequals(param->key, "rotation")){
- int rotation = *((int32_t*)param->value);
- if(theora->encoder.rotation != rotation){
- if(self->opened){
- int ret;
- theora->encoder.rotation = rotation;
- if((ret = tdav_codec_theora_close_encoder(theora))){
- return ret;
- }
- if((ret = tdav_codec_theora_open_encoder(theora))){
- return ret;
- }
- }
- }
- return 0;
- }*/
- }
- return -1;
+ tdav_codec_theora_t* theora = (tdav_codec_theora_t*)self;
+ if(!self->opened) {
+ TSK_DEBUG_ERROR("Codec not opened");
+ return -1;
+ }
+ if(param->value_type == tmedia_pvt_int32) {
+ if(tsk_striequals(param->key, "action")) {
+ tmedia_codec_action_t action = (tmedia_codec_action_t)TSK_TO_INT32((uint8_t*)param->value);
+ switch(action) {
+ case tmedia_codec_action_encode_idr: {
+ theora->encoder.force_idr = tsk_true;
+ break;
+ }
+ case tmedia_codec_action_bw_down: {
+ theora->encoder.quality = TSK_CLAMP(1, (theora->encoder.quality + 1), 31);
+ theora->encoder.context->global_quality = FF_QP2LAMBDA * theora->encoder.quality;
+ break;
+ }
+ case tmedia_codec_action_bw_up: {
+ theora->encoder.quality = TSK_CLAMP(1, (theora->encoder.quality - 1), 31);
+ theora->encoder.context->global_quality = FF_QP2LAMBDA * theora->encoder.quality;
+ break;
+ }
+ }
+ }
+ // FIXME: not working as expected
+ /*else if(tsk_striequals(param->key, "rotation")){
+ int rotation = *((int32_t*)param->value);
+ if(theora->encoder.rotation != rotation){
+ if(self->opened){
+ int ret;
+ theora->encoder.rotation = rotation;
+ if((ret = tdav_codec_theora_close_encoder(theora))){
+ return ret;
+ }
+ if((ret = tdav_codec_theora_open_encoder(theora))){
+ return ret;
+ }
+ }
+ }
+ return 0;
+ }*/
+ }
+ return -1;
}
int tdav_codec_theora_open(tmedia_codec_t* self)
{
- int ret;
-
- tdav_codec_theora_t* theora = (tdav_codec_theora_t*)self;
-
- if(!theora){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- /* the caller (base class) already checked that the codec is not opened */
-
-
- // Encoder
- if((ret = tdav_codec_theora_open_encoder(theora))){
- return ret;
- }
-
- // Decoder
- if((ret = tdav_codec_theora_open_decoder(theora))){
- return ret;
- }
-
- return 0;
+ int ret;
+
+ tdav_codec_theora_t* theora = (tdav_codec_theora_t*)self;
+
+ if(!theora) {
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+
+ /* the caller (base class) already checked that the codec is not opened */
+
+
+ // Encoder
+ if((ret = tdav_codec_theora_open_encoder(theora))) {
+ return ret;
+ }
+
+ // Decoder
+ if((ret = tdav_codec_theora_open_decoder(theora))) {
+ return ret;
+ }
+
+ return 0;
}
int tdav_codec_theora_close(tmedia_codec_t* self)
{
- tdav_codec_theora_t* theora = (tdav_codec_theora_t*)self;
+ tdav_codec_theora_t* theora = (tdav_codec_theora_t*)self;
- if(!theora){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
+ if(!theora) {
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
- /* the caller (base class) already checked that the codec is opened */
+ /* the caller (base class) already checked that the codec is opened */
-
- // Encoder
- tdav_codec_theora_close_encoder(theora);
-
- // Decoder
- tdav_codec_theora_close_decoder(theora);
- return 0;
+ // Encoder
+ tdav_codec_theora_close_encoder(theora);
+
+ // Decoder
+ tdav_codec_theora_close_decoder(theora);
+
+ return 0;
}
//#include "tsk_time.h"
tsk_size_t tdav_codec_theora_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_theora_t* theora = (tdav_codec_theora_t*)self;
-
- if(!self || !in_data || !in_size || !out_data){
- TSK_DEBUG_ERROR("Invalid parameter");
- return 0;
- }
-
- // wrap yuv420 buffer
- size = avpicture_fill((AVPicture *)theora->encoder.picture, (uint8_t*)in_data, PIX_FMT_YUV420P, theora->encoder.context->width, theora->encoder.context->height);
- if(size != in_size){
- /* guard */
- TSK_DEBUG_ERROR("Invalid size");
- return 0;
- }
-
- // Encode data
+ int ret;
+ int size;
+
+ tdav_codec_theora_t* theora = (tdav_codec_theora_t*)self;
+
+ if(!self || !in_data || !in_size || !out_data) {
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return 0;
+ }
+
+ // wrap yuv420 buffer
+ size = avpicture_fill((AVPicture *)theora->encoder.picture, (uint8_t*)in_data, PIX_FMT_YUV420P, theora->encoder.context->width, theora->encoder.context->height);
+ if(size != in_size) {
+ /* guard */
+ TSK_DEBUG_ERROR("Invalid size");
+ return 0;
+ }
+
+ // Encode data
#if LIBAVCODEC_VERSION_MAJOR <= 53
- theora->encoder.picture->pict_type = theora->encoder.force_idr ? FF_I_TYPE : 0;
+ theora->encoder.picture->pict_type = theora->encoder.force_idr ? FF_I_TYPE : 0;
#else
theora->encoder.picture->pict_type = theora->encoder.force_idr ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_NONE;
#endif
- theora->encoder.picture->pts = AV_NOPTS_VALUE;
- theora->encoder.picture->quality = theora->encoder.context->global_quality;
- ret = avcodec_encode_video(theora->encoder.context, theora->encoder.buffer, size, theora->encoder.picture);
- if(ret > 0){
- tdav_codec_theora_encap(theora, theora->encoder.buffer, (tsk_size_t)ret);
- }
- theora->encoder.force_idr = tsk_false;
-
- return 0;
+ theora->encoder.picture->pts = AV_NOPTS_VALUE;
+ theora->encoder.picture->quality = theora->encoder.context->global_quality;
+ ret = avcodec_encode_video(theora->encoder.context, theora->encoder.buffer, size, theora->encoder.picture);
+ if(ret > 0) {
+ tdav_codec_theora_encap(theora, theora->encoder.buffer, (tsk_size_t)ret);
+ }
+ theora->encoder.force_idr = tsk_false;
+
+ return 0;
}
tsk_size_t tdav_codec_theora_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)
{
- const uint8_t* pdata = in_data;
- int pkts;
- 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_theora_t* theora = (tdav_codec_theora_t*)self;
- const trtp_rtp_header_t* rtp_hdr = proto_hdr;
-
- if(!self || !in_data || (in_size<(THEORA_PAYLOAD_HEADER_SIZE + THEORA_PAYLOAD_LENGTH_SIZE)) || !out_data || !theora->decoder.context){
- TSK_DEBUG_ERROR("Invalid parameter");
- return 0;
- }
-
- /* Packet lost? */
- if(theora->decoder.last_seq != (rtp_hdr->seq_num - 1) && theora->decoder.last_seq){
- if(theora->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);
- }
- theora->decoder.last_seq = rtp_hdr->seq_num;
-
- xsize = avpicture_get_size(theora->decoder.context->pix_fmt, theora->decoder.context->width, theora->decoder.context->height);
-
- /* 2.2. Payload Header
- 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
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | Configuration Ident | F |TDT|# pkts.|
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
- /* 2.3. Payload Data
- 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
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | Payload Length | Theora Data ..
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
- pkts = (pdata[3] & 0x0F);
- pay_ptr = (pdata + THEORA_PAYLOAD_HEADER_SIZE);
-
- do{ /* pkts=0 for fragmented packets */
-
- pay_size = pay_ptr[0], pay_size<<=8, pay_size |= pay_ptr[1]; /* Big Endian read */
- pay_ptr += THEORA_PAYLOAD_LENGTH_SIZE;
- /* check size validity */
- if((pay_ptr + pay_size)>(pdata + in_size)){
- TSK_DEBUG_ERROR("Too short");
- break;
- }
-
- switch((pdata[3]>>4) & 0x03){
- case Raw_Theora_payload:
- { /* ====== Theora data (2.2. Payload Header, 2.3. Payload Data) ====== */
- /* append buffer */
- if((int)(theora->decoder.accumulator_pos + pay_size) <= xsize){
- memcpy(&((uint8_t*)theora->decoder.accumulator)[theora->decoder.accumulator_pos], pay_ptr, pay_size);
- theora->decoder.accumulator_pos += pay_size;
- }
- else{
- TSK_DEBUG_WARN("Buffer overflow");
- theora->decoder.accumulator_pos = 0;
- break;
- }
- /* only take care if last packet (What about the RTP marker?) */
- if(((pdata[3]>>6) == Not_Fragmented || (pdata[3]>>6) == End_Fragment /*|| rtp_hdr->marker*/) && theora->decoder.opened){
- AVPacket packet;
- /* Perform decoding */
- av_init_packet(&packet);
- packet.size = (int)theora->decoder.accumulator_pos;
- packet.data = theora->decoder.accumulator;
- ret = avcodec_decode_video2(theora->decoder.context, theora->decoder.picture, &got_picture_ptr, &packet);
-
- if(ret < 0){
- TSK_DEBUG_WARN("Failed to decode the buffer with error code = %d", ret);
- if(TMEDIA_CODEC_VIDEO(self)->in.callback){
- TMEDIA_CODEC_VIDEO(self)->in.result.type = tmedia_video_decode_result_type_error;
- TMEDIA_CODEC_VIDEO(self)->in.result.proto_hdr = proto_hdr;
- TMEDIA_CODEC_VIDEO(self)->in.callback(&TMEDIA_CODEC_VIDEO(self)->in.result);
- }
- }
- else if(got_picture_ptr){
- retsize = xsize;
- TMEDIA_CODEC_VIDEO(theora)->in.width = theora->decoder.context->width;
- TMEDIA_CODEC_VIDEO(theora)->in.height = theora->decoder.context->height;
-
- /* allocate buffer */
- if(*out_max_size <xsize){
- if((*out_data = tsk_realloc(*out_data, xsize))){
- *out_max_size = xsize;
- }
- else{
- TSK_DEBUG_ERROR("Failed to allocate new buffer");
- *out_max_size = 0;
- return 0;
- }
- }
- /* copy picture into a linear buffer */
- avpicture_layout((AVPicture *)theora->decoder.picture, theora->decoder.context->pix_fmt, (int)theora->decoder.context->width, (int)theora->decoder.context->height,
- *out_data, (int)retsize);
- }
- /* in all cases: reset accumulator */
- theora->decoder.accumulator_pos = 0;
- }
- break;
- }
- case Theora_Packed_Configuration_payload:
- {/* ====== Configuration packet (3.1.1. Packed Configuration) ====== */
- static uint8_t __theora_comment_hdr[] = {0x81, 0x74, 0x68, 0x65, 0x6F, 0x72, 0x61,
- 0x00, 0x00, 0x00, 0x08, /* 4-byte length */
- 'd', 'o', 'u', 'b', 'a', 'n', 'g', 'o', /* UTF-8 encoded string */
- };
-
- /* http://www.theora.org/doc/Theora.pdf - Chapter 6
- A Theora bitstream begins with three header packets. The header packets
- are, in order, the identifcation header, the comment header, and the setup
- header. All are required for decode compliance. An end-of-packet condition
- encountered while decoding the identification or setup header packets renders
- the stream undecodable. An end-of-packet condition encountered while decode
- the comment header is a non-fatal error condition, and MAY be ignored by a
- decoder.
-
- Decode continues according to HEADERTYPE. The identification header
- is type 0x80, the comment header is type 0x81, and the setup header is type
- 0x82.
- */
- /*TSK_DEBUG_INFO("Theora_Packed_Configuration_payload");*/
-
- if(!theora->decoder.opened /*|| (conf_ident changed)*/){
- if(!theora->decoder.conf_pkt){
- theora->decoder.conf_pkt = tsk_buffer_create(pay_ptr, pay_size);
- }
- else{
- tsk_buffer_append(theora->decoder.conf_pkt, pay_ptr, pay_size);
- }
-
- if((pdata[3]>>6) == Not_Fragmented || (pdata[3]>>6) == End_Fragment || rtp_hdr->marker){
- if(theora->decoder.conf_pkt->size > THEORA_IDENT_HEADER_SIZE){
- const uint8_t* conf_ptr = theora->decoder.conf_pkt->data;
- int setup_size = (int)theora->decoder.conf_pkt->size - THEORA_IDENT_HEADER_SIZE;
- int extradata_size = (2 + THEORA_IDENT_HEADER_SIZE) + (2 + setup_size) + (2 + sizeof(__theora_comment_hdr));
- if(conf_ptr[0] == 0x80 && conf_ptr[THEORA_IDENT_HEADER_SIZE] == 0x82){ /* Do not check for 't'h'e'o'r'a' */
- /* save configration identification */
- memcpy(theora->decoder.conf_ident, &pdata[0], sizeof(theora->decoder.conf_ident));
- if(theora->decoder.context->extradata){
- TSK_FREE(theora->decoder.context->extradata);
- }
- if((theora->decoder.context->extradata = tsk_calloc(extradata_size + FF_INPUT_BUFFER_PADDING_SIZE, 1))){
- int index = 0;
- /* Because of endianess pb. do not use uint16_t or uint32_t */
- theora->decoder.context->extradata[index++] = 0x00;
- theora->decoder.context->extradata[index++] = THEORA_IDENT_HEADER_SIZE;
- memcpy(&theora->decoder.context->extradata[index], &conf_ptr[0], THEORA_IDENT_HEADER_SIZE);
- index += THEORA_IDENT_HEADER_SIZE;
-
- theora->decoder.context->extradata[index++] = (setup_size >>8) & 0xFF;
- theora->decoder.context->extradata[index++] = (setup_size & 0xFF);
- memcpy(&theora->decoder.context->extradata[index], &conf_ptr[THEORA_IDENT_HEADER_SIZE], setup_size);
- index+=setup_size;
-
- theora->decoder.context->extradata[index++] = 0x00;
- theora->decoder.context->extradata[index++] = sizeof(__theora_comment_hdr);/* <0xFF */
- memcpy(&theora->decoder.context->extradata[index], __theora_comment_hdr, sizeof(__theora_comment_hdr));
-
- theora->decoder.context->extradata_size = extradata_size;
-
- if((ret = avcodec_open(theora->decoder.context, theora->decoder.codec)) == 0){
- theora->decoder.opened = tsk_true;
- }
- else{
- TSK_DEBUG_ERROR("Failed to open theora decoder %d", ret);
- TSK_FREE(theora->decoder.context->extradata);
- theora->decoder.context->extradata_size = 0;
- }
- }
- }
- else{
- TSK_DEBUG_ERROR("Invalid configuration packet");
- }
- }
- else{
- TSK_DEBUG_ERROR("Too short");
- }
- tsk_buffer_cleanup(theora->decoder.conf_pkt);
- }
- }
- break;
- }
- case Legacy_Theora_Comment_payload:
- /*TSK_DEBUG_INFO("Legacy_Theora_Comment_payload");*/
- break;
- case Reserved:
- /*TSK_DEBUG_INFO("Reserved");*/
- break;
- }
- }
- while(--pkts>0);
-
-
-
- return retsize;
+ const uint8_t* pdata = in_data;
+ int pkts;
+ 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_theora_t* theora = (tdav_codec_theora_t*)self;
+ const trtp_rtp_header_t* rtp_hdr = proto_hdr;
+
+ if(!self || !in_data || (in_size<(THEORA_PAYLOAD_HEADER_SIZE + THEORA_PAYLOAD_LENGTH_SIZE)) || !out_data || !theora->decoder.context) {
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return 0;
+ }
+
+ /* Packet lost? */
+ if(theora->decoder.last_seq != (rtp_hdr->seq_num - 1) && theora->decoder.last_seq) {
+ if(theora->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);
+ }
+ theora->decoder.last_seq = rtp_hdr->seq_num;
+
+ xsize = avpicture_get_size(theora->decoder.context->pix_fmt, theora->decoder.context->width, theora->decoder.context->height);
+
+ /* 2.2. Payload Header
+ 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
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Configuration Ident | F |TDT|# pkts.|
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+ /* 2.3. Payload Data
+ 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
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Payload Length | Theora Data ..
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+ pkts = (pdata[3] & 0x0F);
+ pay_ptr = (pdata + THEORA_PAYLOAD_HEADER_SIZE);
+
+ do { /* pkts=0 for fragmented packets */
+
+ pay_size = pay_ptr[0], pay_size<<=8, pay_size |= pay_ptr[1]; /* Big Endian read */
+ pay_ptr += THEORA_PAYLOAD_LENGTH_SIZE;
+ /* check size validity */
+ if((pay_ptr + pay_size)>(pdata + in_size)) {
+ TSK_DEBUG_ERROR("Too short");
+ break;
+ }
+
+ switch((pdata[3]>>4) & 0x03) {
+ case Raw_Theora_payload: {
+ /* ====== Theora data (2.2. Payload Header, 2.3. Payload Data) ====== */
+ /* append buffer */
+ if((int)(theora->decoder.accumulator_pos + pay_size) <= xsize) {
+ memcpy(&((uint8_t*)theora->decoder.accumulator)[theora->decoder.accumulator_pos], pay_ptr, pay_size);
+ theora->decoder.accumulator_pos += pay_size;
+ }
+ else {
+ TSK_DEBUG_WARN("Buffer overflow");
+ theora->decoder.accumulator_pos = 0;
+ break;
+ }
+ /* only take care if last packet (What about the RTP marker?) */
+ if(((pdata[3]>>6) == Not_Fragmented || (pdata[3]>>6) == End_Fragment /*|| rtp_hdr->marker*/) && theora->decoder.opened) {
+ AVPacket packet;
+ /* Perform decoding */
+ av_init_packet(&packet);
+ packet.size = (int)theora->decoder.accumulator_pos;
+ packet.data = theora->decoder.accumulator;
+ ret = avcodec_decode_video2(theora->decoder.context, theora->decoder.picture, &got_picture_ptr, &packet);
+
+ if(ret < 0) {
+ TSK_DEBUG_WARN("Failed to decode the buffer with error code = %d", ret);
+ if(TMEDIA_CODEC_VIDEO(self)->in.callback) {
+ TMEDIA_CODEC_VIDEO(self)->in.result.type = tmedia_video_decode_result_type_error;
+ TMEDIA_CODEC_VIDEO(self)->in.result.proto_hdr = proto_hdr;
+ TMEDIA_CODEC_VIDEO(self)->in.callback(&TMEDIA_CODEC_VIDEO(self)->in.result);
+ }
+ }
+ else if(got_picture_ptr) {
+ retsize = xsize;
+ TMEDIA_CODEC_VIDEO(theora)->in.width = theora->decoder.context->width;
+ TMEDIA_CODEC_VIDEO(theora)->in.height = theora->decoder.context->height;
+
+ /* allocate buffer */
+ if(*out_max_size <xsize) {
+ if((*out_data = tsk_realloc(*out_data, xsize))) {
+ *out_max_size = xsize;
+ }
+ else {
+ TSK_DEBUG_ERROR("Failed to allocate new buffer");
+ *out_max_size = 0;
+ return 0;
+ }
+ }
+ /* copy picture into a linear buffer */
+ avpicture_layout((AVPicture *)theora->decoder.picture, theora->decoder.context->pix_fmt, (int)theora->decoder.context->width, (int)theora->decoder.context->height,
+ *out_data, (int)retsize);
+ }
+ /* in all cases: reset accumulator */
+ theora->decoder.accumulator_pos = 0;
+ }
+ break;
+ }
+ case Theora_Packed_Configuration_payload: {
+ /* ====== Configuration packet (3.1.1. Packed Configuration) ====== */
+ static uint8_t __theora_comment_hdr[] = {0x81, 0x74, 0x68, 0x65, 0x6F, 0x72, 0x61,
+ 0x00, 0x00, 0x00, 0x08, /* 4-byte length */
+ 'd', 'o', 'u', 'b', 'a', 'n', 'g', 'o', /* UTF-8 encoded string */
+ };
+
+ /* http://www.theora.org/doc/Theora.pdf - Chapter 6
+ A Theora bitstream begins with three header packets. The header packets
+ are, in order, the identifcation header, the comment header, and the setup
+ header. All are required for decode compliance. An end-of-packet condition
+ encountered while decoding the identification or setup header packets renders
+ the stream undecodable. An end-of-packet condition encountered while decode
+ the comment header is a non-fatal error condition, and MAY be ignored by a
+ decoder.
+
+ Decode continues according to HEADERTYPE. The identification header
+ is type 0x80, the comment header is type 0x81, and the setup header is type
+ 0x82.
+ */
+ /*TSK_DEBUG_INFO("Theora_Packed_Configuration_payload");*/
+
+ if(!theora->decoder.opened /*|| (conf_ident changed)*/) {
+ if(!theora->decoder.conf_pkt) {
+ theora->decoder.conf_pkt = tsk_buffer_create(pay_ptr, pay_size);
+ }
+ else {
+ tsk_buffer_append(theora->decoder.conf_pkt, pay_ptr, pay_size);
+ }
+
+ if((pdata[3]>>6) == Not_Fragmented || (pdata[3]>>6) == End_Fragment || rtp_hdr->marker) {
+ if(theora->decoder.conf_pkt->size > THEORA_IDENT_HEADER_SIZE) {
+ const uint8_t* conf_ptr = theora->decoder.conf_pkt->data;
+ int setup_size = (int)theora->decoder.conf_pkt->size - THEORA_IDENT_HEADER_SIZE;
+ int extradata_size = (2 + THEORA_IDENT_HEADER_SIZE) + (2 + setup_size) + (2 + sizeof(__theora_comment_hdr));
+ if(conf_ptr[0] == 0x80 && conf_ptr[THEORA_IDENT_HEADER_SIZE] == 0x82) { /* Do not check for 't'h'e'o'r'a' */
+ /* save configration identification */
+ memcpy(theora->decoder.conf_ident, &pdata[0], sizeof(theora->decoder.conf_ident));
+ if(theora->decoder.context->extradata) {
+ TSK_FREE(theora->decoder.context->extradata);
+ }
+ if((theora->decoder.context->extradata = tsk_calloc(extradata_size + FF_INPUT_BUFFER_PADDING_SIZE, 1))) {
+ int index = 0;
+ /* Because of endianess pb. do not use uint16_t or uint32_t */
+ theora->decoder.context->extradata[index++] = 0x00;
+ theora->decoder.context->extradata[index++] = THEORA_IDENT_HEADER_SIZE;
+ memcpy(&theora->decoder.context->extradata[index], &conf_ptr[0], THEORA_IDENT_HEADER_SIZE);
+ index += THEORA_IDENT_HEADER_SIZE;
+
+ theora->decoder.context->extradata[index++] = (setup_size >>8) & 0xFF;
+ theora->decoder.context->extradata[index++] = (setup_size & 0xFF);
+ memcpy(&theora->decoder.context->extradata[index], &conf_ptr[THEORA_IDENT_HEADER_SIZE], setup_size);
+ index+=setup_size;
+
+ theora->decoder.context->extradata[index++] = 0x00;
+ theora->decoder.context->extradata[index++] = sizeof(__theora_comment_hdr);/* <0xFF */
+ memcpy(&theora->decoder.context->extradata[index], __theora_comment_hdr, sizeof(__theora_comment_hdr));
+
+ theora->decoder.context->extradata_size = extradata_size;
+
+ if((ret = avcodec_open(theora->decoder.context, theora->decoder.codec)) == 0) {
+ theora->decoder.opened = tsk_true;
+ }
+ else {
+ TSK_DEBUG_ERROR("Failed to open theora decoder %d", ret);
+ TSK_FREE(theora->decoder.context->extradata);
+ theora->decoder.context->extradata_size = 0;
+ }
+ }
+ }
+ else {
+ TSK_DEBUG_ERROR("Invalid configuration packet");
+ }
+ }
+ else {
+ TSK_DEBUG_ERROR("Too short");
+ }
+ tsk_buffer_cleanup(theora->decoder.conf_pkt);
+ }
+ }
+ break;
+ }
+ case Legacy_Theora_Comment_payload:
+ /*TSK_DEBUG_INFO("Legacy_Theora_Comment_payload");*/
+ break;
+ case Reserved:
+ /*TSK_DEBUG_INFO("Reserved");*/
+ break;
+ }
+ }
+ while(--pkts>0);
+
+
+
+ return retsize;
}
tsk_bool_t tdav_codec_theora_sdp_att_match(const tmedia_codec_t* codec, const char* att_name, const char* att_value)
{
- tsk_bool_t ret = tsk_true; // accept decoding any size
-
- if(tsk_striequals(att_name, "fmtp")){
- tsk_params_L_t* params;
- if((params = tsk_params_fromstring(att_value, ";", tsk_true))){
- int pref_width, pref_height;
- int prop_width = tsk_params_get_param_value_as_int(params, "width");
- int prop_height = tsk_params_get_param_value_as_int(params, "height");
-
- if(prop_width > 0 && prop_height > 0){
- if(tmedia_video_get_size(TMEDIA_CODEC_VIDEO(codec)->pref_size, (unsigned *)&pref_width, (unsigned *)&pref_height) != 0){
- TSK_OBJECT_SAFE_FREE(params);
- return tsk_false;
- }
- TMEDIA_CODEC_VIDEO(codec)->in.width = TMEDIA_CODEC_VIDEO(codec)->out.width = TSK_MIN(pref_width, prop_width);
- TMEDIA_CODEC_VIDEO(codec)->in.height = TMEDIA_CODEC_VIDEO(codec)->out.height = TSK_MIN(pref_height, prop_height);
- }
- TSK_OBJECT_SAFE_FREE(params);
- }
- }
- else if(tsk_striequals(att_name, "imageattr")){
- unsigned in_width, in_height, out_width, out_height;
- if(tmedia_parse_video_imageattr(att_value, TMEDIA_CODEC_VIDEO(codec)->pref_size, &in_width, &in_height, &out_width, &out_height) != 0){
- return tsk_false;
- }
- TMEDIA_CODEC_VIDEO(codec)->in.width = in_width;
- TMEDIA_CODEC_VIDEO(codec)->in.height = in_height;
- TMEDIA_CODEC_VIDEO(codec)->out.width = out_width;
- TMEDIA_CODEC_VIDEO(codec)->out.height = out_height;
- }
-
- return ret;
+ tsk_bool_t ret = tsk_true; // accept decoding any size
+
+ if(tsk_striequals(att_name, "fmtp")) {
+ tsk_params_L_t* params;
+ if((params = tsk_params_fromstring(att_value, ";", tsk_true))) {
+ int pref_width, pref_height;
+ int prop_width = tsk_params_get_param_value_as_int(params, "width");
+ int prop_height = tsk_params_get_param_value_as_int(params, "height");
+
+ if(prop_width > 0 && prop_height > 0) {
+ if(tmedia_video_get_size(TMEDIA_CODEC_VIDEO(codec)->pref_size, (unsigned *)&pref_width, (unsigned *)&pref_height) != 0) {
+ TSK_OBJECT_SAFE_FREE(params);
+ return tsk_false;
+ }
+ TMEDIA_CODEC_VIDEO(codec)->in.width = TMEDIA_CODEC_VIDEO(codec)->out.width = TSK_MIN(pref_width, prop_width);
+ TMEDIA_CODEC_VIDEO(codec)->in.height = TMEDIA_CODEC_VIDEO(codec)->out.height = TSK_MIN(pref_height, prop_height);
+ }
+ TSK_OBJECT_SAFE_FREE(params);
+ }
+ }
+ else if(tsk_striequals(att_name, "imageattr")) {
+ unsigned in_width, in_height, out_width, out_height;
+ if(tmedia_parse_video_imageattr(att_value, TMEDIA_CODEC_VIDEO(codec)->pref_size, &in_width, &in_height, &out_width, &out_height) != 0) {
+ return tsk_false;
+ }
+ TMEDIA_CODEC_VIDEO(codec)->in.width = in_width;
+ TMEDIA_CODEC_VIDEO(codec)->in.height = in_height;
+ TMEDIA_CODEC_VIDEO(codec)->out.width = out_width;
+ TMEDIA_CODEC_VIDEO(codec)->out.height = out_height;
+ }
+
+ return ret;
}
char* tdav_codec_theora_sdp_att_get(const tmedia_codec_t* codec, const char* att_name)
{
- if(tsk_striequals(att_name, "fmtp")){
- char* fmtp = tsk_null;
- tsk_sprintf(&fmtp, "sampling=YCbCr-4:2:0; width=%u; height=%u", TMEDIA_CODEC_VIDEO(codec)->out.width, TMEDIA_CODEC_VIDEO(codec)->out.height);
- return fmtp;
- }
- else if(tsk_striequals(att_name, "imageattr")){
- return tmedia_get_video_imageattr(TMEDIA_CODEC_VIDEO(codec)->pref_size,
- TMEDIA_CODEC_VIDEO(codec)->in.width, TMEDIA_CODEC_VIDEO(codec)->in.height, TMEDIA_CODEC_VIDEO(codec)->out.width, TMEDIA_CODEC_VIDEO(codec)->out.height);
- }
- return tsk_null;
+ if(tsk_striequals(att_name, "fmtp")) {
+ char* fmtp = tsk_null;
+ tsk_sprintf(&fmtp, "sampling=YCbCr-4:2:0; width=%u; height=%u", TMEDIA_CODEC_VIDEO(codec)->out.width, TMEDIA_CODEC_VIDEO(codec)->out.height);
+ return fmtp;
+ }
+ else if(tsk_striequals(att_name, "imageattr")) {
+ return tmedia_get_video_imageattr(TMEDIA_CODEC_VIDEO(codec)->pref_size,
+ TMEDIA_CODEC_VIDEO(codec)->in.width, TMEDIA_CODEC_VIDEO(codec)->in.height, TMEDIA_CODEC_VIDEO(codec)->out.width, TMEDIA_CODEC_VIDEO(codec)->out.height);
+ }
+ return tsk_null;
}
@@ -530,64 +526,62 @@ char* tdav_codec_theora_sdp_att_get(const tmedia_codec_t* codec, const char* att
/* constructor */
static tsk_object_t* tdav_codec_theora_ctor(tsk_object_t * self, va_list * app)
{
- tdav_codec_theora_t *theora = self;
- if(theora){
- /* init base: called by tmedia_codec_create() */
- /* init self */
- theora->encoder.quality = 1;
- theora->encoder.max_bw_kpbs = tmedia_defaults_get_bandwidth_video_upload_max();
- }
- return self;
+ tdav_codec_theora_t *theora = self;
+ if(theora) {
+ /* init base: called by tmedia_codec_create() */
+ /* init self */
+ theora->encoder.quality = 1;
+ theora->encoder.max_bw_kpbs = tmedia_defaults_get_bandwidth_video_upload_max();
+ }
+ return self;
}
/* destructor */
static tsk_object_t* tdav_codec_theora_dtor(tsk_object_t * self)
-{
- tdav_codec_theora_t *theora = self;
- if(theora){
- /* deinit base */
- tmedia_codec_video_deinit(self);
- /* deinit self */
- TSK_OBJECT_SAFE_FREE(theora->decoder.conf_pkt);
- TSK_FREE(theora->rtp.ptr);
- theora->rtp.size = 0;
- }
-
- return self;
+{
+ tdav_codec_theora_t *theora = self;
+ if(theora) {
+ /* deinit base */
+ tmedia_codec_video_deinit(self);
+ /* deinit self */
+ TSK_OBJECT_SAFE_FREE(theora->decoder.conf_pkt);
+ TSK_FREE(theora->rtp.ptr);
+ theora->rtp.size = 0;
+ }
+
+ return self;
}
/* object definition */
-static const tsk_object_def_t tdav_codec_theora_def_s =
-{
- sizeof(tdav_codec_theora_t),
- tdav_codec_theora_ctor,
- tdav_codec_theora_dtor,
- tmedia_codec_cmp,
+static const tsk_object_def_t tdav_codec_theora_def_s = {
+ sizeof(tdav_codec_theora_t),
+ tdav_codec_theora_ctor,
+ tdav_codec_theora_dtor,
+ tmedia_codec_cmp,
};
/* plugin definition*/
-static const tmedia_codec_plugin_def_t tdav_codec_theora_plugin_def_s =
-{
- &tdav_codec_theora_def_s,
-
- tmedia_video,
- tmedia_codec_id_theora,
- "theora",
- "Theora Codec",
- TMEDIA_CODEC_FORMAT_THEORA,
- tsk_true,
- 90000, // rate
-
- /* audio */
- { 0 },
-
- /* video (width, height, fps)*/
- {176, 144, 0},// fps is @deprecated
-
- tdav_codec_theora_set,
- tdav_codec_theora_open,
- tdav_codec_theora_close,
- tdav_codec_theora_encode,
- tdav_codec_theora_decode,
- tdav_codec_theora_sdp_att_match,
- tdav_codec_theora_sdp_att_get
+static const tmedia_codec_plugin_def_t tdav_codec_theora_plugin_def_s = {
+ &tdav_codec_theora_def_s,
+
+ tmedia_video,
+ tmedia_codec_id_theora,
+ "theora",
+ "Theora Codec",
+ TMEDIA_CODEC_FORMAT_THEORA,
+ tsk_true,
+ 90000, // rate
+
+ /* audio */
+ { 0 },
+
+ /* video (width, height, fps)*/
+ {176, 144, 0},// fps is @deprecated
+
+ tdav_codec_theora_set,
+ tdav_codec_theora_open,
+ tdav_codec_theora_close,
+ tdav_codec_theora_encode,
+ tdav_codec_theora_decode,
+ tdav_codec_theora_sdp_att_match,
+ tdav_codec_theora_sdp_att_get
};
const tmedia_codec_plugin_def_t *tdav_codec_theora_plugin_def_t = &tdav_codec_theora_plugin_def_s;
@@ -595,268 +589,268 @@ const tmedia_codec_plugin_def_t *tdav_codec_theora_plugin_def_t = &tdav_codec_th
int tdav_codec_theora_open_encoder(tdav_codec_theora_t* self)
{
- int ret, size;
- int32_t max_bw_kpbs;
- if(!self->encoder.codec && !(self->encoder.codec = avcodec_find_encoder(CODEC_ID_THEORA))){
- TSK_DEBUG_ERROR("Failed to find Theora encoder");
- return -1;
- }
- if(self->encoder.context){
- TSK_DEBUG_ERROR("Encoder already initialized");
- return -1;
- }
- self->encoder.context = avcodec_alloc_context();
- avcodec_get_context_defaults(self->encoder.context);
-
- self->encoder.context->pix_fmt = PIX_FMT_YUV420P;
- self->encoder.context->time_base.num = 1;
- self->encoder.context->time_base.den = TMEDIA_CODEC_VIDEO(self)->out.fps;
- self->encoder.context->width = (self->encoder.rotation == 90 || self->encoder.rotation == 270) ? TMEDIA_CODEC_VIDEO(self)->out.height : TMEDIA_CODEC_VIDEO(self)->out.width;
- self->encoder.context->height = (self->encoder.rotation == 90 || self->encoder.rotation == 270) ? TMEDIA_CODEC_VIDEO(self)->out.width : TMEDIA_CODEC_VIDEO(self)->out.height;
- self->encoder.context->mb_decision = FF_MB_DECISION_RD;
-
- // Theoraenc doesn't honor 'CODEC_FLAG_QSCALE'
- max_bw_kpbs = TSK_CLAMP(
- 0,
- tmedia_get_video_bandwidth_kbps_2(TMEDIA_CODEC_VIDEO(self)->out.width, TMEDIA_CODEC_VIDEO(self)->out.height, TMEDIA_CODEC_VIDEO(self)->out.fps),
- self->encoder.max_bw_kpbs
- );
- self->encoder.context->bit_rate = (max_bw_kpbs * 1024);// bps
+ int ret, size;
+ int32_t max_bw_kpbs;
+ if(!self->encoder.codec && !(self->encoder.codec = avcodec_find_encoder(CODEC_ID_THEORA))) {
+ TSK_DEBUG_ERROR("Failed to find Theora encoder");
+ return -1;
+ }
+ if(self->encoder.context) {
+ TSK_DEBUG_ERROR("Encoder already initialized");
+ return -1;
+ }
+ self->encoder.context = avcodec_alloc_context();
+ avcodec_get_context_defaults(self->encoder.context);
+
+ self->encoder.context->pix_fmt = PIX_FMT_YUV420P;
+ self->encoder.context->time_base.num = 1;
+ self->encoder.context->time_base.den = TMEDIA_CODEC_VIDEO(self)->out.fps;
+ self->encoder.context->width = (self->encoder.rotation == 90 || self->encoder.rotation == 270) ? TMEDIA_CODEC_VIDEO(self)->out.height : TMEDIA_CODEC_VIDEO(self)->out.width;
+ self->encoder.context->height = (self->encoder.rotation == 90 || self->encoder.rotation == 270) ? TMEDIA_CODEC_VIDEO(self)->out.width : TMEDIA_CODEC_VIDEO(self)->out.height;
+ self->encoder.context->mb_decision = FF_MB_DECISION_RD;
+
+ // Theoraenc doesn't honor 'CODEC_FLAG_QSCALE'
+ max_bw_kpbs = TSK_CLAMP(
+ 0,
+ tmedia_get_video_bandwidth_kbps_2(TMEDIA_CODEC_VIDEO(self)->out.width, TMEDIA_CODEC_VIDEO(self)->out.height, TMEDIA_CODEC_VIDEO(self)->out.fps),
+ self->encoder.max_bw_kpbs
+ );
+ self->encoder.context->bit_rate = (max_bw_kpbs * 1024);// bps
#if LIBAVCODEC_VERSION_MAJOR <= 53
- self->encoder.context->rc_lookahead = 0;
+ self->encoder.context->rc_lookahead = 0;
#endif
- self->encoder.context->global_quality = FF_QP2LAMBDA * self->encoder.quality;
-
- self->encoder.context->thread_count = 0;
- self->encoder.context->rtp_payload_size = THEORA_RTP_PAYLOAD_SIZE;
- self->encoder.context->opaque = tsk_null;
- self->encoder.context->gop_size = (TMEDIA_CODEC_VIDEO(self)->out.fps * THEORA_GOP_SIZE_IN_SECONDS);
-
- // Picture (YUV 420)
- if(!(self->encoder.picture = avcodec_alloc_frame())){
- TSK_DEBUG_ERROR("Failed to create encoder picture");
- return -2;
- }
- avcodec_get_frame_defaults(self->encoder.picture);
-
- size = avpicture_get_size(PIX_FMT_YUV420P, self->encoder.context->width, self->encoder.context->height);
- if(!(self->encoder.buffer = tsk_calloc(size, sizeof(uint8_t)))){
- TSK_DEBUG_ERROR("Failed to allocate encoder buffer");
- return -2;
- }
-
- // Open encoder
- if((ret = avcodec_open(self->encoder.context, self->encoder.codec)) < 0){
- TSK_DEBUG_ERROR("Failed to open Theora encoder");
- return ret;
- }
-
- self->encoder.conf_last = 0;
- self->encoder.conf_count = 0;
-
- TSK_DEBUG_INFO("[THEORA] bitrate=%d bps", self->encoder.context->bit_rate);
-
- return ret;
+ self->encoder.context->global_quality = FF_QP2LAMBDA * self->encoder.quality;
+
+ self->encoder.context->thread_count = 0;
+ self->encoder.context->rtp_payload_size = THEORA_RTP_PAYLOAD_SIZE;
+ self->encoder.context->opaque = tsk_null;
+ self->encoder.context->gop_size = (TMEDIA_CODEC_VIDEO(self)->out.fps * THEORA_GOP_SIZE_IN_SECONDS);
+
+ // Picture (YUV 420)
+ if(!(self->encoder.picture = avcodec_alloc_frame())) {
+ TSK_DEBUG_ERROR("Failed to create encoder picture");
+ return -2;
+ }
+ avcodec_get_frame_defaults(self->encoder.picture);
+
+ size = avpicture_get_size(PIX_FMT_YUV420P, self->encoder.context->width, self->encoder.context->height);
+ if(!(self->encoder.buffer = tsk_calloc(size, sizeof(uint8_t)))) {
+ TSK_DEBUG_ERROR("Failed to allocate encoder buffer");
+ return -2;
+ }
+
+ // Open encoder
+ if((ret = avcodec_open(self->encoder.context, self->encoder.codec)) < 0) {
+ TSK_DEBUG_ERROR("Failed to open Theora encoder");
+ return ret;
+ }
+
+ self->encoder.conf_last = 0;
+ self->encoder.conf_count = 0;
+
+ TSK_DEBUG_INFO("[THEORA] bitrate=%d bps", self->encoder.context->bit_rate);
+
+ return ret;
}
int tdav_codec_theora_open_decoder(tdav_codec_theora_t* self)
{
- int size;
- if(!self->decoder.codec && !(self->decoder.codec = avcodec_find_decoder(CODEC_ID_THEORA))){
- TSK_DEBUG_ERROR("Failed to find Theora decoder");
- return -1;
- }
- if(self->decoder.context){
- TSK_DEBUG_ERROR("Decoder already opened");
- return -1;
- }
- self->decoder.context = avcodec_alloc_context();
- avcodec_get_context_defaults(self->decoder.context);
-
- self->decoder.context->pix_fmt = PIX_FMT_YUV420P;
- self->decoder.context->width = TMEDIA_CODEC_VIDEO(self)->in.width;
- self->decoder.context->height = TMEDIA_CODEC_VIDEO(self)->in.height;
-
- // Picture (YUV 420)
- if(!(self->decoder.picture = avcodec_alloc_frame())){
- TSK_DEBUG_ERROR("Failed to create decoder picture");
- return -2;
- }
- avcodec_get_frame_defaults(self->decoder.picture);
-
- size = avpicture_get_size(PIX_FMT_YUV420P, self->decoder.context->width, self->decoder.context->height);
- if(!(self->decoder.accumulator = tsk_calloc((size + FF_INPUT_BUFFER_PADDING_SIZE), sizeof(uint8_t)))){
- TSK_DEBUG_ERROR("Failed to allocate decoder buffer");
- return -2;
- }
-
- if(!(self->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(self->decoder.context, self->decoder.codec)) < 0){
- // TSK_DEBUG_ERROR("Failed to open Theora decoder");
- // return ret;
- //}
-
- return 0;
+ int size;
+ if(!self->decoder.codec && !(self->decoder.codec = avcodec_find_decoder(CODEC_ID_THEORA))) {
+ TSK_DEBUG_ERROR("Failed to find Theora decoder");
+ return -1;
+ }
+ if(self->decoder.context) {
+ TSK_DEBUG_ERROR("Decoder already opened");
+ return -1;
+ }
+ self->decoder.context = avcodec_alloc_context();
+ avcodec_get_context_defaults(self->decoder.context);
+
+ self->decoder.context->pix_fmt = PIX_FMT_YUV420P;
+ self->decoder.context->width = TMEDIA_CODEC_VIDEO(self)->in.width;
+ self->decoder.context->height = TMEDIA_CODEC_VIDEO(self)->in.height;
+
+ // Picture (YUV 420)
+ if(!(self->decoder.picture = avcodec_alloc_frame())) {
+ TSK_DEBUG_ERROR("Failed to create decoder picture");
+ return -2;
+ }
+ avcodec_get_frame_defaults(self->decoder.picture);
+
+ size = avpicture_get_size(PIX_FMT_YUV420P, self->decoder.context->width, self->decoder.context->height);
+ if(!(self->decoder.accumulator = tsk_calloc((size + FF_INPUT_BUFFER_PADDING_SIZE), sizeof(uint8_t)))) {
+ TSK_DEBUG_ERROR("Failed to allocate decoder buffer");
+ return -2;
+ }
+
+ if(!(self->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(self->decoder.context, self->decoder.codec)) < 0){
+ // TSK_DEBUG_ERROR("Failed to open Theora decoder");
+ // return ret;
+ //}
+
+ return 0;
}
int tdav_codec_theora_close_encoder(tdav_codec_theora_t* self)
{
- if(self->encoder.context){
- avcodec_close(self->encoder.context);
- av_free(self->encoder.context);
- self->encoder.context = tsk_null;
- }
- if(self->encoder.picture){
- av_free(self->encoder.picture);
- self->encoder.picture = tsk_null;
- }
- if(self->encoder.buffer){
- TSK_FREE(self->encoder.buffer);
- }
- return 0;
+ if(self->encoder.context) {
+ avcodec_close(self->encoder.context);
+ av_free(self->encoder.context);
+ self->encoder.context = tsk_null;
+ }
+ if(self->encoder.picture) {
+ av_free(self->encoder.picture);
+ self->encoder.picture = tsk_null;
+ }
+ if(self->encoder.buffer) {
+ TSK_FREE(self->encoder.buffer);
+ }
+ return 0;
}
int tdav_codec_theora_close_decoder(tdav_codec_theora_t* self)
{
- if(self->decoder.context){
- avcodec_close(self->decoder.context);
- if(self->decoder.context->extradata){
- TSK_FREE(self->decoder.context->extradata);
- self->decoder.context->extradata_size = 0;
- }
- av_free(self->decoder.context);
- self->decoder.context = tsk_null;
- }
- if(self->decoder.picture){
- av_free(self->decoder.picture);
- self->decoder.picture = tsk_null;
- }
- if(self->decoder.accumulator){
- TSK_FREE(self->decoder.accumulator);
- }
- return 0;
+ if(self->decoder.context) {
+ avcodec_close(self->decoder.context);
+ if(self->decoder.context->extradata) {
+ TSK_FREE(self->decoder.context->extradata);
+ self->decoder.context->extradata_size = 0;
+ }
+ av_free(self->decoder.context);
+ self->decoder.context = tsk_null;
+ }
+ if(self->decoder.picture) {
+ av_free(self->decoder.picture);
+ self->decoder.picture = tsk_null;
+ }
+ if(self->decoder.accumulator) {
+ TSK_FREE(self->decoder.accumulator);
+ }
+ return 0;
}
static void tdav_codec_theora_encap(tdav_codec_theora_t* theora, const uint8_t* pdata, tsk_size_t size)
{
- if((theora->encoder.conf_count < THEORA_CONF_SEND_COUNT) && theora->encoder.context && theora->encoder.context->extradata){
- if((theora->encoder.conf_last + (250 *theora->encoder.conf_count)) < tsk_time_now()){
- int hdr_size, i, exd_size = theora->encoder.context->extradata_size, conf_pkt_size = 0;
- uint8_t *conf_pkt_ptr = tsk_null, *exd_ptr = theora->encoder.context->extradata;
- for(i=0; i<3 && exd_size; i++){
- hdr_size = exd_ptr[0], hdr_size<<=8, hdr_size |= exd_ptr[1];
- exd_ptr += 2;
- exd_size -= 2;
- if(hdr_size > exd_size){
- TSK_DEBUG_ERROR("Invalid extradata");
- TSK_FREE(conf_pkt_ptr);
- conf_pkt_size = 0;
- }
-
- if(exd_ptr[0] == 0x80 || exd_ptr[0] == 0x82){ /* Ignore 'comment' which is equal to '0x81' */
- if((conf_pkt_ptr = tsk_realloc(conf_pkt_ptr, (conf_pkt_size + hdr_size)))){
- memcpy((conf_pkt_ptr + conf_pkt_size), exd_ptr, hdr_size);
- conf_pkt_size += hdr_size;
- }
- }
- exd_size -= hdr_size;
- exd_ptr += hdr_size;
- }
-
- /* Send the conf pack */
- if(conf_pkt_ptr && conf_pkt_size){
- /*TSK_DEBUG_INFO("Sending Configuration Packet");*/
- tdav_codec_theora_send(theora, conf_pkt_ptr, conf_pkt_size, Theora_Packed_Configuration_payload);
- TSK_FREE(conf_pkt_ptr);
- }
-
- theora->encoder.conf_last = tsk_time_now();
- theora->encoder.conf_count++;
- }
- }
-
- /* Send Theora Raw data */
- tdav_codec_theora_send(theora, pdata, size, Raw_Theora_payload);
+ if((theora->encoder.conf_count < THEORA_CONF_SEND_COUNT) && theora->encoder.context && theora->encoder.context->extradata) {
+ if((theora->encoder.conf_last + (250 *theora->encoder.conf_count)) < tsk_time_now()) {
+ int hdr_size, i, exd_size = theora->encoder.context->extradata_size, conf_pkt_size = 0;
+ uint8_t *conf_pkt_ptr = tsk_null, *exd_ptr = theora->encoder.context->extradata;
+ for(i=0; i<3 && exd_size; i++) {
+ hdr_size = exd_ptr[0], hdr_size<<=8, hdr_size |= exd_ptr[1];
+ exd_ptr += 2;
+ exd_size -= 2;
+ if(hdr_size > exd_size) {
+ TSK_DEBUG_ERROR("Invalid extradata");
+ TSK_FREE(conf_pkt_ptr);
+ conf_pkt_size = 0;
+ }
+
+ if(exd_ptr[0] == 0x80 || exd_ptr[0] == 0x82) { /* Ignore 'comment' which is equal to '0x81' */
+ if((conf_pkt_ptr = tsk_realloc(conf_pkt_ptr, (conf_pkt_size + hdr_size)))) {
+ memcpy((conf_pkt_ptr + conf_pkt_size), exd_ptr, hdr_size);
+ conf_pkt_size += hdr_size;
+ }
+ }
+ exd_size -= hdr_size;
+ exd_ptr += hdr_size;
+ }
+
+ /* Send the conf pack */
+ if(conf_pkt_ptr && conf_pkt_size) {
+ /*TSK_DEBUG_INFO("Sending Configuration Packet");*/
+ tdav_codec_theora_send(theora, conf_pkt_ptr, conf_pkt_size, Theora_Packed_Configuration_payload);
+ TSK_FREE(conf_pkt_ptr);
+ }
+
+ theora->encoder.conf_last = tsk_time_now();
+ theora->encoder.conf_count++;
+ }
+ }
+
+ /* Send Theora Raw data */
+ tdav_codec_theora_send(theora, pdata, size, Raw_Theora_payload);
}
int tdav_codec_theora_send(tdav_codec_theora_t* self, const uint8_t* data, tsk_size_t size, theora_datatype_t tdt)
-{
- /* 2.2. Payload Header
- 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
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | Configuration Ident | F |TDT|# pkts.|
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
- uint8_t pay_hdr[THEORA_PAYLOAD_HEADER_SIZE/*4*/ + THEORA_PAYLOAD_LENGTH_SIZE/*2*/] = {0x01, 0x19, 0x83, 0x00, 0x00, 0x00};
- //uint8_t* pay_ptr = tsk_null;
- tsk_size_t pay_size;
- tsk_bool_t frag, first = tsk_true;
-
- pay_hdr[3] = (tdt & 0xFF) <<4;
-
- /* whether the packet will be fragmented or not */
- frag = (size > THEORA_RTP_PAYLOAD_SIZE);
-
- while(size){
- pay_size = TSK_MIN(THEORA_RTP_PAYLOAD_SIZE, size);
- pay_hdr[4] = (uint8_t)(pay_size >> 8), pay_hdr[5] = (uint8_t)(pay_size & 0xFF);
-
- if(frag){
- if(first){
- first = tsk_false;
- pay_hdr[3] &= 0x3F, pay_hdr[3] |= (Start_Fragment <<6);
- }
- else{ /* could not be 'first' and 'last' */
- if(size<=THEORA_RTP_PAYLOAD_SIZE){
- /* Last frag */
- pay_hdr[3] &= 0x3F, pay_hdr[3] |= (End_Fragment <<6);
- }
- else{
- /* Continuation frag */
- pay_hdr[3] &= 0x3F, pay_hdr[3] |= (Continuation_Fragment <<6);
- }
- }
- }
- else{
- pay_hdr[3] |= 0x01; /* 'pkts' */
- pay_hdr[3] &= 0x3F, pay_hdr[3] |= (Not_Fragmented <<6);
- }
-
- if(self->rtp.size < (pay_size + sizeof(pay_hdr))){
- if(!(self->rtp.ptr = tsk_realloc(self->rtp.ptr, (pay_size + sizeof(pay_hdr))))){
- TSK_DEBUG_ERROR("Failed to allocate new buffer");
- return -2;
- }
- self->rtp.size = (pay_size + sizeof(pay_hdr));
- }
-
- memcpy(self->rtp.ptr, pay_hdr, sizeof(pay_hdr));
- memcpy((self->rtp.ptr + sizeof(pay_hdr)), data, pay_size);
- data += pay_size;
- size -= pay_size;
-
- // Send data over the network
- if(TMEDIA_CODEC_VIDEO(self)->out.callback){
- TMEDIA_CODEC_VIDEO(self)->out.result.buffer.ptr = self->rtp.ptr;
- TMEDIA_CODEC_VIDEO(self)->out.result.buffer.size = (pay_size + sizeof(pay_hdr));
- TMEDIA_CODEC_VIDEO(self)->out.result.duration = (1./(double)TMEDIA_CODEC_VIDEO(self)->out.fps) * TMEDIA_CODEC(self)->plugin->rate;
- TMEDIA_CODEC_VIDEO(self)->out.result.last_chunck = (size == 0);
- TMEDIA_CODEC_VIDEO(self)->out.callback(&TMEDIA_CODEC_VIDEO(self)->out.result);
- }
- }
-
- return 0;
+{
+ /* 2.2. Payload Header
+ 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
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Configuration Ident | F |TDT|# pkts.|
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+ uint8_t pay_hdr[THEORA_PAYLOAD_HEADER_SIZE/*4*/ + THEORA_PAYLOAD_LENGTH_SIZE/*2*/] = {0x01, 0x19, 0x83, 0x00, 0x00, 0x00};
+ //uint8_t* pay_ptr = tsk_null;
+ tsk_size_t pay_size;
+ tsk_bool_t frag, first = tsk_true;
+
+ pay_hdr[3] = (tdt & 0xFF) <<4;
+
+ /* whether the packet will be fragmented or not */
+ frag = (size > THEORA_RTP_PAYLOAD_SIZE);
+
+ while(size) {
+ pay_size = TSK_MIN(THEORA_RTP_PAYLOAD_SIZE, size);
+ pay_hdr[4] = (uint8_t)(pay_size >> 8), pay_hdr[5] = (uint8_t)(pay_size & 0xFF);
+
+ if(frag) {
+ if(first) {
+ first = tsk_false;
+ pay_hdr[3] &= 0x3F, pay_hdr[3] |= (Start_Fragment <<6);
+ }
+ else { /* could not be 'first' and 'last' */
+ if(size<=THEORA_RTP_PAYLOAD_SIZE) {
+ /* Last frag */
+ pay_hdr[3] &= 0x3F, pay_hdr[3] |= (End_Fragment <<6);
+ }
+ else {
+ /* Continuation frag */
+ pay_hdr[3] &= 0x3F, pay_hdr[3] |= (Continuation_Fragment <<6);
+ }
+ }
+ }
+ else {
+ pay_hdr[3] |= 0x01; /* 'pkts' */
+ pay_hdr[3] &= 0x3F, pay_hdr[3] |= (Not_Fragmented <<6);
+ }
+
+ if(self->rtp.size < (pay_size + sizeof(pay_hdr))) {
+ if(!(self->rtp.ptr = tsk_realloc(self->rtp.ptr, (pay_size + sizeof(pay_hdr))))) {
+ TSK_DEBUG_ERROR("Failed to allocate new buffer");
+ return -2;
+ }
+ self->rtp.size = (pay_size + sizeof(pay_hdr));
+ }
+
+ memcpy(self->rtp.ptr, pay_hdr, sizeof(pay_hdr));
+ memcpy((self->rtp.ptr + sizeof(pay_hdr)), data, pay_size);
+ data += pay_size;
+ size -= pay_size;
+
+ // Send data over the network
+ if(TMEDIA_CODEC_VIDEO(self)->out.callback) {
+ TMEDIA_CODEC_VIDEO(self)->out.result.buffer.ptr = self->rtp.ptr;
+ TMEDIA_CODEC_VIDEO(self)->out.result.buffer.size = (pay_size + sizeof(pay_hdr));
+ TMEDIA_CODEC_VIDEO(self)->out.result.duration = (1./(double)TMEDIA_CODEC_VIDEO(self)->out.fps) * TMEDIA_CODEC(self)->plugin->rate;
+ TMEDIA_CODEC_VIDEO(self)->out.result.last_chunck = (size == 0);
+ TMEDIA_CODEC_VIDEO(self)->out.callback(&TMEDIA_CODEC_VIDEO(self)->out.result);
+ }
+ }
+
+ return 0;
}
tsk_bool_t tdav_codec_ffmpeg_theora_is_supported()
{
- return (avcodec_find_encoder(CODEC_ID_THEORA) && avcodec_find_decoder(CODEC_ID_THEORA));
+ return (avcodec_find_encoder(CODEC_ID_THEORA) && avcodec_find_decoder(CODEC_ID_THEORA));
}
#endif /* HAVE_FFMPEG */ \ No newline at end of file
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