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Impl�mentation rudimentaire de la synchro : les packets
PES sont maintenant dat�s. -- Polux
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@ -203,7 +203,6 @@ typedef struct
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* pcr_descriptor_t
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*******************************************************************************
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* Contains informations used to synchronise the decoder with the server
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* Only input_PcrDecode() is allowed to modify it
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*******************************************************************************/
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typedef struct pcr_descriptor_struct
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@ -211,9 +210,11 @@ typedef struct pcr_descriptor_struct
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pthread_mutex_t lock; /* pcr modification lock */
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s64 delta_clock;
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s64 delta_decode;
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/* represents decoder_time - pcr_time in usecondes */
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count_t c_average;
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/* counter used to compute dynamic average values */
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count_t c_pts;
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#ifdef STATS
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/* Stats */
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count_t c_average_jitter;
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@ -870,12 +870,33 @@ static __inline__ void input_DemuxPES( input_thread_t *p_input,
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the 14 bytes */
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if( p_pes->b_has_pts )
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{
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pcr_descriptor_t *p_pcr;
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/* The PTS field is split in 3 bit records. We have to add
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them, and thereafter we substract the 2 marker_bits */
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p_pes->i_pts = ( (p_pes->p_pes_header[9] << 29) +
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(U16_AT(p_pes->p_pes_header + 10) << 14) +
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(U16_AT(p_pes->p_pes_header + 12) >> 1) -
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p_pcr = p_input->p_pcr;
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pthread_mutex_lock( &p_pcr->lock );
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if( p_pcr->delta_clock == 0 )
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{
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p_pes->i_pts = 0;
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}
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else
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{
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p_pes->i_pts = ( ((s64)p_pes->p_pes_header[9] << 29) +
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((s64)U16_AT(p_pes->p_pes_header + 10) << 14) +
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((s64)U16_AT(p_pes->p_pes_header + 12) >> 1) -
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(1 << 14) - (1 << 29) );
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p_pes->i_pts *= 300;
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p_pes->i_pts /= 27;
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p_pes->i_pts += p_pcr->delta_clock;
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if( p_pcr->c_pts == 0 )
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{
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p_pcr->delta_decode = mdate() - p_pes->i_pts + 500000;
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}
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p_pes->i_pts += p_pcr->delta_decode;
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}
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p_pcr->c_pts += 1;
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pthread_mutex_unlock( &p_pcr->lock );
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}
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break;
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}
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@ -30,9 +30,12 @@ void input_PcrReInit( input_thread_t *p_input )
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pcr_descriptor_t* p_pcr;
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ASSERT(p_input);
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p_pcr = p_input->p_pcr;
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pthread_mutex_lock( &p_pcr->lock );
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p_pcr = p_input->p_pcr;
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p_pcr->delta_clock = 0;
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p_pcr->c_average = 0;
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p_pcr->c_pts = 0;
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#ifdef STATS
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p_pcr->c_average_jitter = 0;
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@ -42,6 +45,7 @@ void input_PcrReInit( input_thread_t *p_input )
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/* For the printf in input_PcrDecode(), this is used for debug purpose only */
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printf("\n");
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#endif
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pthread_mutex_unlock( &p_pcr->lock );
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}
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/******************************************************************************
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