int get_av1config_from_obu(const uint8_t *buffer, size_t length, int is_annexb,
Av1Config *config) {
if (!buffer || length == 0 || !config) {
return -1;
}
ObuHeader obu_header;
memset(&obu_header, 0, sizeof(obu_header));
size_t sequence_header_length = 0;
size_t obu_header_length = 0;
if (aom_read_obu_header_and_size(buffer, length, is_annexb, &obu_header,
&sequence_header_length,
&obu_header_length) != AOM_CODEC_OK ||
obu_header.type != OBU_SEQUENCE_HEADER ||
sequence_header_length + obu_header_length > length) {
return -1;
}
memset(config, 0, sizeof(*config));
config->marker = 1;
config->version = 1;
return parse_sequence_header(buffer + obu_header_length,
sequence_header_length, config);
}
void METH(frame)
(t_bit_buffer *p_bitstream, /**< Input buffer */
void *sei, /**< TimeStamp */
t_uint32 nTimeStampH, t_uint32 nTimeStampL, /**< TimeStamp */
t_uint32 nFlags) /**< Openmax flags */
{
t_vc1_picture_type picture_type;
t_hamac_param *param_in;
ts_bitstream_buffer decoder_bitstream;
if( p_bitstream )
{
OstTraceFiltInst1(TRACE_API, "VC1Dec: arm_nmf: decoder: frame(): size = %d\\n", p_bitstream->end - p_bitstream->addr);
#if VERBOSE_STANDARD == 1
NMF_LOG("NMF-ARM decoder: call to frame(), size = %d\n",p_bitstream->end - p_bitstream->addr);
#endif
}
if(p_bitstream == NULL)
{
if( nFlags & OSI_OMX_BUFFERFLAG_EOS )
{
// Case of end of stream.
// all frame data have already been received - last buffer is empty and only used to send EOS flag
OstTraceFiltInst0(TRACE_FLOW, "Handle end of stream (empty buffer)\n");
#if VERBOSE_STANDARD == 1
NMF_LOG("Handle end of stream (empty buffer)\n");
#endif
// we post a void frame (fake frame to go through the pipe)
// The void frame will be recognized in the output stage
// this will indicate that all received frames have been decoded (we can bump last frame)
hamac_pipe_reset_frame();
//commented for ER 370888
//hamac_pipe_set_void_frame_info(VOID_FRAME_EOS_WITH_FLUSH);
// BumpFrame will choose oldest ref, so let's mark most recent ref as oldest ref
if(dec_static.buf.oldest_ref == 0)
dec_static.buf.oldest_ref = 1;
else
dec_static.buf.oldest_ref = 0;
// Here call it with Pic type != B in order to make it bump the oldest ref
BumpFrame(PICTURE_TYPE_I,&dec_static.buf);
//+change for ER 370888
if (hamac_pipe_mark_eos_frame()) // this will set OMX EOS flag in last buffer, needed by proxy
{
OstTraceFiltInst0(TRACE_FLOW, "VC1Dec: arm_nmf: decoder: TRUE for hamac_pipe_mark_eos_frame()");
hamac_pipe_set_void_frame_info(VOID_FRAME_EOS_WITH_FLUSH);
}
else
{
OstTraceFiltInst0(TRACE_FLOW, "VC1Dec: arm_nmf: decoder: FALSE for hamac_pipe_mark_eos_frame()");
hamac_pipe_set_void_frame_info(VOID_FRAME_EOS_WO_FLUSH);
}
//- change for ER 370888
if (dec_static.sva_bypass == 1) {
endCodec(STATUS_JOB_COMPLETE, VDC_VOID, 0);
}
else {
iStartCodec.voidFrame();
}
}
return;
}
/* wrap bitstream structure into VC1 bitstream structure */
decoder_bitstream.data = p_bitstream->addr;
decoder_bitstream.size_in_bits = 8 * (p_bitstream->end - p_bitstream->addr);
decoder_bitstream.pt_current_byte = p_bitstream->addr;
decoder_bitstream.index_current_bit = 0;
if(seq_param_received == FALSE)
{
// first buffer : contains sequence parameters (no frame data)
OMX_ERRORTYPE error = parse_sequence_header(&decoder_bitstream,&seq_params); // For ER 344032
/* + For ER 344032 */
if (error == OMX_ErrorFormatNotDetected)
{
OstTraceInt0(TRACE_ERROR, "VC1Dec: arm_nmf: decoder: frame():Error OMX_ErrorFormatNotDetected ");
proxy.eventHandler(OMX_EventError,error,0);
}
/* For ER 344032 */
seq_param_received = TRUE;
// We will now estimate the level from the number of MBs per frame
seq_params.level = find_level_from_image_size(seq_params.profile,
picture_width,
picture_height);
// init input parameters
init_codec();
// release bitstream and request a new input buffer
p_bitstream->next = 0; // don't use linked lists
p_bitstream->inuse = 0; // tell to input control that this buffer is not in use
input_control_acknowledge(p_bitstream, XON);
}
else
{
// following buffers : contain frames data
//MeasureEventStart0(TRACE_EVENT_BUFFER_START,"decoder buffer processing");
// Init DPB with a dummy reference (grey pixels)
// -> used to decode P or B-frames after seek
// -> used for error concealment
if( !ref_frame_initialized )
{
InsertDummyRefIntoDpb(&dec_static.buf,
picture_width,
picture_height);
ref_frame_initialized = TRUE;
}
// exit pause state when receive a new frame
if( low_power_state == TRUE )
{
low_power_state = FALSE;
iStartCodec.preventSleep();
}
// We read the frame type
btpar_parse_picture_type(&decoder_bitstream,&seq_params,&picture_type);
// Get the position in the DPB corresponding to current frame
t_sint16 index = InsertFrame(picture_type,&dec_static.buf, 0, &dec_static.sva_buffers);
dec_static.buf.curr_info = &dec_static.buf.pics_buf[index];
dec_static.sva_buffers.curr_frame = dec_static.buf.curr_info->ptr[0];
dec_static.sva_buffers.curr_bitstream = p_bitstream;
// store timestamp associated to current picture into the frames table
// this info is not used by the decoder itself, it is just carried from input to output buffers
dec_static.buf.frames[dec_static.buf.curr_info->frame_pos].frameinfo.common_frameinfo.nTimeStampH = nTimeStampH;
dec_static.buf.frames[dec_static.buf.curr_info->frame_pos].frameinfo.common_frameinfo.nTimeStampL = nTimeStampL;
// store Openmax flags (end of stream, ...)
dec_static.buf.frames[dec_static.buf.curr_info->frame_pos].nFlags = nFlags;
// Get the pointer on a Param_in structure , from the fifo use in front of HW decoder
hamac_pipe_reset_frame();
param_in = hamac_pipe_get_write_param_in();
HamacFillParamIn(vfm_memory_ctxt,&dec_static,0,param_in);
hamac_pipe_set_frame_pos(dec_static.buf.curr_info->frame_pos);
hamac_pipe_set_bit_buffer_addr(p_bitstream); // store bitstream addr to be able to release it after decoding
p_bitstream->next = 0; // don't use linked lists
p_bitstream->inuse = VCL_UNDER_PROCESSING; // tell to input control that this buffer is in use
input_control_acknowledge(p_bitstream, XON); // this will make p_bitstream as pending for release
// and will request a new input buffer if the pipe is not full
// Determine which picture will be output after current frame's decoding
BumpFrame(picture_type,&dec_static.buf);
// Case of end of stream. In all cases, need to output most recent ref
if( nFlags & OSI_OMX_BUFFERFLAG_EOS )
{
OstTraceFiltInst1(TRACE_FLOW, "VC1Dec: arm_nmf: decoder: frame(): Handle end of stream - Flow line %d\n", __LINE__);
#if VERBOSE_STANDARD == 1
NMF_LOG("Handle end of stream\n");
#endif
// BumpFrame will choose oldest ref, so let's mark most recent ref as oldest ref
if(dec_static.buf.oldest_ref == 0)
dec_static.buf.oldest_ref = 1;
else
dec_static.buf.oldest_ref = 0;
// Here call it with Pic type != B in order to make it bump the oldest ref
BumpFrame(PICTURE_TYPE_I,&dec_static.buf);
hamac_pipe_mark_eos_frame(); // this will set OMX EOS flag in last buffer, needed by proxy
}
if (dec_static.sva_bypass == 1)
{
// bypass DSP processing, only used for ARM load evaluation
hamac_pipe_set_void_frame_info(VOID_FRAME_ALGO_BYPASS);
endCodec(STATUS_JOB_COMPLETE, VDC_VOID, 0);
}
else
{
#ifdef _CACHE_OPT_
// Force cache clean to be sure that bitstream has been written in SDRAM
t_uint8 *fl_end_addr,*fl_start_addr;
fl_start_addr= (t_uint8*) p_bitstream->addr;
fl_end_addr=(t_uint8*) p_bitstream->end;
VFM_CacheClean(vfm_memory_ctxt, fl_start_addr,fl_end_addr-fl_start_addr+1);
OMX_U32 tempAddr;
OMX_U8 *tempPtr;
tempAddr = Endianess(param_in->addr_out_frame_buffer->addr_dest_buffer);
tempPtr = VFM_GetLogical(vfm_memory_ctxt, (t_uint8 *)tempAddr);
VFM_CacheInvalidate(vfm_memory_ctxt, tempPtr,(picture_height*picture_width*1.5));
#endif
HamacToPhysicalAddresses(vfm_memory_ctxt,param_in, 0);
#if VERBOSE_STANDARD == 1
NMF_LOG("NMF-ARM decoder: call to startCodec\n");
#endif
iStartCodec.startCodec((t_uint32)param_in->addr_in_frame_buffer ,
(t_uint32)param_in->addr_out_frame_buffer,
(t_uint32)param_in->addr_internal_buffer,
(t_uint32)param_in->addr_in_bitstream_buffer,
(t_uint32)param_in->addr_out_bitstream_buffer,
(t_uint32)param_in->addr_in_parameters,
(t_uint32)param_in->addr_out_parameters,
(t_uint32)param_in->addr_in_frame_parameters,
(t_uint32)param_in->addr_out_frame_parameters);
} // no SVA bypass
//MeasureEventStop(TRACE_EVENT_BUFFER_STOP,"decoder buffer processing");
}
}