plm_buffer_read()

int fl::third_party::plm_buffer_read	(	plm_buffer_t *	self,
		int	count )

Definition at line 1017 of file pl_mpeg.hpp.

                                                               {
    if (!plm_buffer_has(self, count)) {
        return 0;
    }
 
    int value = 0;
    while (count) {
        int current_byte = self->bytes[self->bit_index >> 3];
 
        int remaining = 8 - (self->bit_index & 7); // Remaining bits in byte
        int read = remaining < count ? remaining : count; // Bits in self run
        int shift = remaining - read;
        int mask = (0xff >> (8 - read));
 
        value = (value << read) | ((current_byte & (mask << shift)) >> shift);
 
        self->bit_index += read;
        count -= read;
    }
 
    return value;
}

References FL_NOEXCEPT, plm_buffer_has(), fl::read(), and fl::type_rank< T >::value.

Referenced by plm_audio_decode_frame(), plm_audio_decode_header(), plm_audio_read_allocation(), plm_audio_read_samples(), plm_buffer_peek_non_zero(), plm_buffer_read_vlc(), plm_demux_decode_packet(), plm_demux_decode_time(), plm_demux_has_headers(), plm_video_decode_block(), plm_video_decode_macroblock(), plm_video_decode_motion_vector(), plm_video_decode_picture(), plm_video_decode_sequence_header(), and plm_video_decode_slice().

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